Benchmark file generated by bmgpxbmgpx by Ron Parkerbmgpx@parkrrrr.comMW0205113 GWM USGShttp://www.geocaching.com/mark/details.asp?PID=MW0205113 GWM USGSGeocacheGeocache113 GWM USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>113 GWM USGS</h1> <b> PID </b> MW0205 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CALDWELL BUTTE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 39 58. (N) 121 25 45. (W) SCALED <br> <b> NAVD 88 </b> 1329.777 (meters) 4362.78 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.72 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1328.901 (meters) 4359.90 (feet) COMP <br> <b> MODELED GRAV</b> 979,917.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 759,190. </td><td> 2,047,540. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1328.683 (m) 4359.19 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM307138(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 113 GWM USGS 4359 1949 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1949 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1954 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1954 5.9 MI SE FROM INDIAN WELLS. 5.9 MILES SOUTHEAST ALONG A PAVED ROAD FROM THE INDIAN WELLS RANGER STATION, AT THE Y JUNCTION OF A DIRT ROAD LEADING WEST TO COUGAR BUTTE, 51 1/2 FEET NORTHEAST OF THE CENTER OF THE JUNCTION, 33 1/2 FEET NORTH OF THE CENTER LINE OF THE PAVED ROAD, 1.2 FEET SOUTH OF A WITNESS POST, ABOUT 1 1/2 FEET HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND. MW0208114 GWM USGShttp://www.geocaching.com/mark/details.asp?PID=MW0208114 GWM USGSGeocacheGeocache114 GWM USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>114 GWM USGS</h1> <b> PID </b> MW0208 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CALDWELL BUTTE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 40 01. (N) 121 23 21. (W) SCALED <br> <b> NAVD 88 </b> 1296.773 (meters) 4254.50 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.74 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1295.927 (meters) 4251.72 (feet) COMP <br> <b> MODELED GRAV</b> 979,925.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 759,310. </td><td> 2,050,870. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1295.689 (m) 4250.94 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM341140(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 114 GWM USGS 4251 1949 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1949 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1954 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1954 8.1 MI SE FROM INDIAN WELLS. 5.9 MILES SOUTHEAST ALONG A PAVED ROAD FROM THE INDIAN WELLS RANGER STATION, THENCE 2.2 MILES SOUTHEAST ALONG A DIRT ROAD, IN A LARGE OPEN FLAT, 34 FEET NORTHWEST OF AN 8-INCH PINE TREE WITH A WHITE CROSS PAINTED ON IT, 32 1/2 FEET SOUTHEAST OF THE CENTER LINE OF THE ROAD, 1.7 FEET NORTHWEST OF A WITNESS POST, ABOUT 1 FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.8 FOOT ABOVE THE GROUND. MW0210115 GWM USGShttp://www.geocaching.com/mark/details.asp?PID=MW0210115 GWM USGSGeocacheGeocache115 GWM USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>115 GWM USGS</h1> <b> PID </b> MW0210 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> PEREZ (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 40 33. (N) 121 21 20. (W) SCALED <br> <b> NAVD 88 </b> 1288.994 (meters) 4228.97 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.74 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1288.155 (meters) 4226.22 (feet) COMP <br> <b> MODELED GRAV</b> 979,926.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 760,310. </td><td> 2,053,660. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1287.913 (m) 4225.43 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM368150(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 115 GWM USGS 4225 1949 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1949 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1954 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1954 6.9 MI W FROM PEREZ. 0.45 MILE SOUTH ALONG A GRAVEL ROAD FROM THE SOUTHERN PACIFIC COMPANY RAILROAD WATER TANK AT PEREZ, THENCE 2.65 MILES SOUTHWEST ALONG THE GRIMMET ROAD FROM THE JUNCTION OF STATE HIGHWAY 139, THENCE 3.8 MILES NORTHWEST ALONG A DIRT ROAD, 0.3 MILE WEST OF A POWER LINE CROSSING, 81 1/2 FEET WEST OF THE CENTER OF THE JUNCTION OF THE WEST LEG OF A TRIANGLE FORMED BY A TRACK ROAD LEADING NORTH TO AN OLD RAILROAD ROCK CRUSHER, 40 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 1.5 FEET NORTH OF A WITNESS POST, ABOUT 1/2 FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT HIGHER THAN THE GROUND. MW0212116 GWM USGShttp://www.geocaching.com/mark/details.asp?PID=MW0212116 GWM USGSGeocacheGeocache116 GWM USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>116 GWM USGS</h1> <b> PID </b> MW0212 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> PEREZ (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 39 51. (N) 121 19 16. (W) SCALED <br> <b> NAVD 88 </b> 1284.146 (meters) 4213.07 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.75 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1283.302 (meters) 4210.30 (feet) COMP <br> <b> MODELED GRAV</b> 979,921.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 759,040. </td><td> 2,056,540. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1283.063 (m) 4209.52 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM397138(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: 116 GWM 4209 1949 <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1949 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1954 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1954 4.9 MI W FROM PEREZ. 0.45 MILE SOUTH ALONG A GRAVEL ROAD FROM THE SOUTHERN PACIFIC COMPANY RAILROAD WATER TANK AT PEREZ, THENCE 2.65 MILES SOUTHWEST ALONG THE GRIMMET ROAD FROM THE JUNCTION OF STATE HIGHWAY 139, THENCE 1.8 MILES NORTHWEST ALONG A DIRT ROAD, 0.8 MILE EAST OF THE SOUTHERN PACIFIC COMPANY RAILROAD CROSSING, IN THE TOP OF A ROCK OUTCROP, ON THE TOP OF A LOW KNOLL, 36 1/2 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 20 1/2 FEET SOUTHWEST OF A COUPLE OF SMALL JUNIPER TREES, AND ABOUT 3 FEET HIGHER THAN THE ROAD. MW0214117 GWM USGShttp://www.geocaching.com/mark/details.asp?PID=MW0214117 GWM USGSGeocacheGeocache117 GWM USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>117 GWM USGS</h1> <b> PID </b> MW0214 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> PEREZ (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 38 55. (N) 121 17 46. (W) SCALED <br> <b> NAVD 88 </b> 1289.669 (meters) 4231.19 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.75 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1288.814 (meters) 4228.38 (feet) COMP <br> <b> MODELED GRAV</b> 979,915.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 757,330. </td><td> 2,058,640. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1288.582 (m) 4227.62 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM418121(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 117 GWM 4228 1949 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1949 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1954 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1954 3.1 MI SW FROM PEREZ. 0.45 MILE SOUTH ALONG A GRAVEL ROAD FROM THE SOUTHERN PACIFIC COMPANY RAILROAD WATER TANK AT PEREZ, THENCE 2.65 MILES SOUTHWEST ALONG THE GRIMMET ROAD FROM THE JUNCTION OF STATE HIGHWAY 139, 40 FEET NORTH OF THE CENTER OF THE INTERSECTION OF A DIRT ROAD LEADING NORTHWEST, 25 FEET NORTHWEST OF THE CENTER LINE OF THE GRIMMET ROAD, 1.4 FEET SOUTH OF A WITNESS POST, ABOUT 1 FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.8 FOOT ABOVE THE GROUND. MW00084568 SPCOhttp://www.geocaching.com/mark/details.asp?PID=MW00084568 SPCOGeocacheGeocache4568 SPCOCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>4568 SPCO</h1> <b> PID </b> MW0008 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SUGAR HILL (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 50 57. (N) 120 21 59. (W) SCALED <br> <b> NAVD 88 </b> 1441.77 (+/-2cm) 4730.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -21.42 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> ? (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 780,630. </td><td> 2,135,660. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1440.603 (m) 4726.38 (f) ADJUSTED ? <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM186363(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19870402</td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 4 MI S FROM WILLOW RANCH. 4.0 MILES SOUTH ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE STATION AT WILLOW RANCH, MODOC COUNTY, 5-1/2 POLES NORTHWEST OF MILEPOST 487, 58 FEET SOUTHWEST OF THE CENTERLINE OF THE TRACK, IN A LONE JUNIPER TREE ON THE OUTSIDE OF A CURVE, AND ABOUT 3 FEET ABOVE THE GROUND. A TRACK SPIKE. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1987 (TTS) MARK NOT FOUND. MW0020502+86.2 SPCOhttp://www.geocaching.com/mark/details.asp?PID=MW0020502+86.2 SPCOGeocacheGeocache502+86.2 SPCOSPRRUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>502+86.2 SPCO</h1> <b> PID </b> MW0020 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SURPRISE STATION (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 35 38. (N) 120 25 26. (W) SCALED <br> <b> NAVD 88 </b> 1394.85 (+/-2cm) 4576.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -21.63 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> ? (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 752,200. </td><td> 2,131,400. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1393.750 (m) 4572.66 (f) ADJUSTED ? <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM147078(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>SPRR</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 10.5 MI N FROM ALTURAS. 10.5 MILES NORTH ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE STATION AT ALTURAS, MODOC COUNTY, NEAR MILEPOST 468, AT STATION 502+86.2, 20 FEET WEST OF THE TRACK, AND IN A JUNIPER TREE. A TRACK SPIKE. MW0019540+60 SPCOhttp://www.geocaching.com/mark/details.asp?PID=MW0019540+60 SPCOGeocacheGeocache540+60 SPCOSPRRUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>540+60 SPCO</h1> <b> PID </b> MW0019 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SURPRISE STATION (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 35 57. (N) 120 25 26. (W) SCALED <br> <b> NAVD 88 </b> 1399.23 (+/-2cm) 4590.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -21.62 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> ? (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 752,780. </td><td> 2,131,390. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1398.124 (m) 4587.01 (f) ADJUSTED ? <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM146084(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>SPRR</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 10.8 MI N FROM ALTURAS. 10.8 MILES NORTH ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE STATION AT ALTURAS, MODOC COUNTY, NEAR MILEAGE 468.8, AT STATION 540+60, 15 FEET WEST OF THE TRACK, AND IN A 24-INCH JUNIPER TREE. A TRACK SPIKE. MW0081A 181http://www.geocaching.com/mark/details.asp?PID=MW0081A 181GeocacheGeocacheA 181CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 181</h1> <b> PID </b> MW0081 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WARREN PEAK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 25 40. (N) 120 08 02. (W) SCALED <br> <b> NAVD 88 </b> 1412.606 (meters) 4634.52 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -21.68 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1411.573 (meters) 4631.14 (feet) COMP <br> <b> MODELED GRAV</b> 979,843.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 734,230. </td><td> 2,155,970. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1411.482 (m) 4630.84 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL394902(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: A 181 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1963 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1963 5.9 MI S FROM CEDARVILLE. 5.9 MILES SOUTH OF CEDARVILLE, ON THE EAGLEVILLE HIGHWAY, THEN ONE-HALF MILE EAST AND ONE MILE SOUTH ON OLD HIGHWAY, 0.2 MILE NORTH OF SOUTH INTERSECTION OF OLD AND NEW HIGHWAY. 36 FEET WEST OF ROAD, A STANDARD TABLET STAMPED A 181 1934, AND SET IN THE TOP OF A CONCRETE POST. MW0198A 505http://www.geocaching.com/mark/details.asp?PID=MW0198A 505GeocacheGeocacheA 505CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 505</h1> <b> PID </b> MW0198 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SPAULDING BUTTE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 31 24. (N) 121 09 15. (W) SCALED <br> <b> NAVD 88 </b> 1426.712 (meters) 4680.80 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.71 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1425.713 (meters) 4677.53 (feet) COMP <br> <b> MODELED GRAV</b> 979,872.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 743,520. </td><td> 2,070,600. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1425.620 (m) 4677.22 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL540985(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>STAMPING: A 505 1954 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 4.7 MI S FROM HACKAMORE. 2.2 MILES SOUTH ALONG A GRADED ROAD FROM THE WATER TOWER AT HACKAMORE, THENCE 1.6 MILES WEST ALONG STATE HIGHWAY 139, THENCE 0.9 MILE SOUTH ALONG LOOKOUT ROAD, 0.15 MILE SOUTH OF THE Y JUNCTION OF A DIRT ROAD LEADING NORTHEAST, IN THE TOP OF THE APPROXIMATE CENTER OF A 2 1/2-BY 3-FOOT BOULDER PROJECTING 1 1/2 FEET ABOVE THE GROUND, 83 1/4 FEET SOUTHEAST OF AN 8-INCH PINE TREE SUPPORTING A FOREST SERVICE SIGN BOUNDARY OF TIMBER SALE, 80 FEET EAST OF THE CENTER LINE OF THE ROAD, AND ABOUT 5 FEET HIGHER THAN THE ROAD. MW0361A 506http://www.geocaching.com/mark/details.asp?PID=MW0361A 506GeocacheGeocacheA 506CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 506</h1> <b> PID </b> MW0361 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WHITE HORSE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 20 00. (N) 121 25 14. (W) SCALED <br> <b> NAVD 88 </b> 1349.838 (meters) 4428.59 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -23.37 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1348.899 (meters) 4425.51 (feet) COMP <br> <b> MODELED GRAV</b> 979,880.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 722,240. </td><td> 2,048,500. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1348.768 (m) 4425.08 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL321769(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: A 506 1954 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1957 </td><td>GOOD </td><td>USGS</td></tr><tr><td>19860430</td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 2.1 MI NW FROM WHITE HORSE. 0.4 MILE NORTHWEST ALONG A GRADED ROAD FROM THE WATER TANK AT WHITE HORSE, THENCE 1.7 MILES NORTHWEST ALONG A GRADED ROAD, ABOUT 120 YARDS SOUTHEAST OF THE APPROXIMATE CENTER OF A CURVE AT THE NORTHWEST END OF A LONG TANGENT, 37 1/2 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, 2.6 FEET SOUTHWEST OF A WITNESS POST, ABOUT LEVEL WITH THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND. NOTE-- ABOVE 80 FEET NORTH OF THE INTERSECTION OF THE LOVENESS LOGGING ROAD. <p> <h2>STATION RECOVERY (1957) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1957 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1986) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1986 (LML) RECOVERED IN GOOD CONDITION. MW0252A 602http://www.geocaching.com/mark/details.asp?PID=MW0252A 602GeocacheGeocacheA 602CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 602</h1> <b> PID </b> MW0252 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 52 20. (N) 121 21 18. (W) SCALED <br> <b> NAVD 88 </b> 1231.882 (meters) 4041.60 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.72 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1231.100 (meters) 4039.03 (feet) COMP <br> <b> MODELED GRAV</b> 979,945.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 782,130. </td><td> 2,053,550. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1230.803 (m) 4038.06 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM365368(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: A 602 1940 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1951 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1940 3.1 MI SE FROM STRONGHOLD. 3.1 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE FLAG STATION AT STRONGHOLD, MODOC COUNTY, ONE POLE NORTHWEST OF MILEPOST 521, 160 FEET SOUTH OF THE CANBY-KLAMATH FALLS HIGHWAY, 25 FEET NORTH OF THE CENTERLINE OF THE TRACK, 15 FEET NORTH OF A STALEY-ONE-MILE SIGN, AND AT A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED A 602 1940 AND SET IN THE TOP OF A CONCRETE POST. NOTE-- A TELEPHONE POLE HAS BEEN PLACED 1/2 FOOT AWAY FROM BENCH MARK. <p> <h2>STATION RECOVERY (1951) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1951 RECOVERED IN GOOD CONDITION. MW0119A 742http://www.geocaching.com/mark/details.asp?PID=MW0119A 742GeocacheGeocacheA 742CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 742</h1> <b> PID </b> MW0119 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 29 13. (N) 120 33 39. (W) SCALED <br> <b> NAVD 88 </b> 1330.764 (meters) 4366.01 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.10 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1329.837 (meters) 4362.97 (feet) COMP <br> <b> MODELED GRAV</b> 979,880.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 740,130. </td><td> 2,120,180. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1329.677 (m) 4362.45 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL036956(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: A 742 1944 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1944 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1944 AT ALTURAS. AT ALTURAS, MODOC COUNTY, 0.35 MILE SOUTH AND 1.0 MILE WEST OF THE HIGH SCHOOL, AT THE JUNCTION OF FOURTH STREET AND THE DRIVE LEADING TO THE AIRPORT, 43 FEET SOUTH OF THE CENTER LINE OF FOURTH STREET, 41 FEET WEST OF THE CENTER LINE OF THE DRIVE TO THE AIRPORT, 357 FEET NORTH OF THE NORTHEAST CORNER OF THE COMBINATION OFFICE BUILDING AND HANGAR, 14 FEET SOUTHEAST OF A POLE SUPPORTING AN EAST-AND-WEST TELEPHONE LINE AND A NORTH-AND-SOUTH POWER LINE, AND 2.7 FEET SOUTH OF A WHITE WOODEN WITNESS POST. AN IRON DISK, STAMPED A 742 1944 AND SET IN THE TOP OF A CONCRETE POST PROPJECTING 6 INCHES ABOVE GROUND. MW0948ALTUPORThttp://www.geocaching.com/mark/details.asp?PID=MW0948ALTUPORTGeocacheGeocacheALTUPORTNGSNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ALTUPORT</h1> <b> PID </b> MW0948 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 28 55.48676(N) 120 33 56.50438(W) ADJUSTED <br> <b> NAVD 88 </b> 1330.6 (meters) 4365. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,433,946.173 (meters) COMP <br> <b> Y </b> -4,121,207.735 (meters) COMP <br> <b> Z </b> 4,203,548.174 (meters) COMP <br> <b> LAPLACE CORR</b> 1.79 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 1308.55 (meters) (11/17/92) GPS OBS <br> <b> GEOID HEIGHT</b> -22.11 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> ELLP ORDER </b> FIFTH CLASS I <br> <p>This mark is at Alturas Municipal Airport (O00) <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 739,577.828 2</td><td>119,781.587</td><td> MT </td><td>0.99995835</td><td> +0 ' 56 16.3"</td></tr><tr><td>SPC CA 1 </td><td>2,426,431.59 6</td><td>954,650.09 </td><td> sFT </td><td>0.99995835</td><td> +0 ' 56 16.3"</td></tr><tr><td>UTM 10 </td><td>4,595,135.451 </td><td>703,237.387</td><td> MT </td><td>1.00010835</td><td> +1 ' 36 46.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99979479 x 0.99995835 = 0.99975315 <br> <b>UTM 10 </b> 0.99979479 x 1.00010835 = 0.99990312 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> C 742 </td><td>050° 25' 49.5"</td></tr><tr><td>UTM 10 </td><td> C 742 </td><td>049° 45' 19.0"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>MW0121</td><td>C 742 </td><td>465.790 METERS</td><td>051° 22' 05.8"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1992)</b> 41 28 55.48677(N) 120 33 56.50435(W) AD(1991.35) 1 <br> <b> NAD 83(1992)</b> 41 28 55.49610(N) 120 33 56.49874(W) AD(1984.00) 3 <br> NGVD 29 (10/13/92) 1329.5 (m) 4362. (f) GPS OBS <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL0323795135(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) <br>SP_SET: STAINLESS STEEL ROD IN SLEEVE <br>STAMPING: ALTUPORT 1987 <br>MARK LOGO: NGS <br>MAGNETIC: I = MARKER IS A STEEL ROD <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - July 13, 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1987 </td><td>MONUMENTED </td><td>NGS</td></tr><tr><td>19920713</td><td>GOOD</td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1987 STATION IS LOCATED ON THE WEST SIDE OF ALTURAS, AT THE ALTURAS MUNICIPAL AIRPORT, IN THE SOUTH ANGLE OF THE JUNCTION OF THE RUNWAYS. OWNERSHIP--CITY OF ALTURAS, ALTURAS, CA 96101. AIRPORT MANAGER IS RICH CLOUGH, PHONE 916-233-5125. TO REACH FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 299 WEST AT THE NORTH END OF THE ALTURAS BUSINESS DISTRICT, GO SOUTH THROUGH TOWN ON HIGHWAY 395 FOR 0.79 KM (0.49 MI) TO A CROSS STREET AT THE BEST WESTERN MOTEL. TURN RIGHT, WEST, ON FOURTH STREET FOR 1.66 KM (1.03 MI) TO A CROSS STREET (SMITH STREET ON THE RIGHT). TURN LEFT, SOUTH, THROUGH OPEN GATE, ON AIRPORT ENTRANCE ROAD FOR 0.13 KM (0.08 MI) TO THE AIRPORT OFFICE ON THE RIGHT. CONTINUE AHEAD ON APRON FOR 0.05 KM (0.03 MI) TO THE PARALLEL TAXI. BEAR RIGHT, SOUTHWEST, ON TAXI FOR 38 M (124.7 FT) TO RUNWAY 13-31. CROSS RUNWAY, THEN TURN LEFT, CROSSING RUNWAY 3-21 FOR 0.13 KM (0.08 MI) TO THE STATION ON THE RIGHT. STATION MARK IS A PUNCH HOLE TOP CENTER ON A STAINLESS STEEL ROD IN A 2.5 CM GREASE FILLED PVC SLEEVE 90 CM LONG ENCASED IN A 12.7 CM PVC PIPE WITH LOGO CAP SURROUNDED BY CONCRETE FLUSH WITH THE GROUND. IT IS 41.6 M (136.5 FT) SOUTHWEST OF THE CENTER OF RUNWAY 13-31, 49.7 M (163.1 FT) SOUTHEAST OF THE CENTER OF RUNWAY 3-21, 0.7 M (2.3 FT) NORTHEAST OF A FIBERGLASS WITNESS POST, 53.9 M (176.8 FT) SOUTH OF A RUNWAY LIGHT AT RUNWAY JUNCTION AND 15.0 M (49.2 FT) SOUTH-SOUTHEAST OF THE SOUTHWEST END OF A METAL DRAIN PIPE. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERED 1992 RECOVERED IN GOOD CONDITION. MW0769ALTURAShttp://www.geocaching.com/mark/details.asp?PID=MW0769ALTURASGeocacheGeocacheALTURASCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ALTURAS</h1> <b> PID </b> MW0769 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 28 59.43038(N) 120 32 54.51704(W) ADJUSTED <br> <b> NAVD 88 </b> 1356.2 (meters) 4449. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.23 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.10 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 739,723.150 2</td><td>121,217.409</td><td> MT </td><td>0.99995857</td><td> +0 ' 56 56.9"</td></tr><tr><td>SPC CA 1 </td><td>2,426,908.37 6</td><td>959,360.78 </td><td> sFT </td><td>0.99995857</td><td> +0 ' 56 56.9"</td></tr><tr><td>UTM 10 </td><td>4,595,297.708 </td><td>704,671.617</td><td> MT </td><td>1.00011555</td><td> +1 ' 37 28.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99979079 x 0.99995857 = 0.99974937 <br> <b>UTM 10 </b> 0.99979079 x 1.00011555 = 0.99990632 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> ALTURAS AZ MK </td><td>015° 03' 23.0"</td></tr><tr><td>UTM 10 </td><td> ALTURAS AZ MK </td><td>014° 22' 51.9"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD5779</td><td>ALTURAS AZ MK </td><td> </td><td>016° 00' 19.9"</td></tr><tr><td>CD5780</td><td>ALTURAS RM 1 </td><td> 13.154 METERS</td><td>296° 08' </td></tr><tr><td>CD5781</td><td>ALTURAS RM 2 </td><td> 24.520 METERS</td><td>350° 50' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 28 59.44218(N) 120 32 54.51331(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 28 59.82900(N) 120 32 50.67300(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1355.1 (m) 4446. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL0467295298(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1968 </td><td>SEE DESCRIPTION </td><td>USAF</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (SPH) THE STATION IS LOCATED ABOUT 1/4 MILE WEST OF THE POST OFFICE IN ALTURAS, ON THE TOP OF A PROMINENT HILL, 80.4 FEET SOUTHEAST OF THE ALTURAS MUNICIPAL NORTH STANDPIPE WHICH IS THE SMALLER OF THE TWO STANDPIPES, 21.5 FEET SOUTH OF A FENCE CORNER, ON THE SOUTHEAST CORNER OF THE HILL. STATION IS SET IN THE TOP OF A 12 BY 12 INCH CONCRETE POST WHICH PROJECTS 1 INCH ABOVE THE GROUND, STAMPED ALTURAS 1947. <p>REFERENCE MARK NO. 1 IS A STANDARD DISK SET IN A DRILL HOLE IN STONE ON THE TOP OF THE STONE FOUNDATION ON THE SOUTH SIDE OF THE MOST SOUTHERLY AND LARGEST OF TWO STANDPIPES, STAMPED ALTURAS NO 1 1947. <p>REFERENCE MARK NO. 2 IS A STANDARD DISK SET IN A DRILL HOLE IN STONE ON THE TOP OF THE STONE FOUNDATION ON THE SOUTHEAST SIDE OF THE MOST NORTHERLY AND SMALLEST OF TWO STANDPIPES, STAMPED ALTURAS NO 2 1947. <p>THE AZIMUTH MARK IS LOCATED ABOUT 1 MILE NORTH OF THE STATION. TO REACH FROM THE POST OFFICE IN ALTURAS GO NORTH ON MAIN STREET TO THE JUNCTION OF HIGHWAY 299, TURN RIGHT FOR 2 BLOCKS TO FOURTH STREET, TURN LEFT ON GRAVEL ROAD AND CROSS RAILROAD TRACKS, TURN LEFT ON FIRST TRACK ROAD PAST RAILROAD TRACKS FOR 1 BLOCK, TURN RIGHT FOR 2 BLOCKS TO FOREST SERVICE PROPERTY. THE MARK IS LOCATED ALONG THE NORTH AND SOUTH FENCE LINE, 30 PACES NORTH OF A POWER POLE AT 18TH STREET AND COURT STREET. A STANDARD DISK SET IN THE TOP OF A 12 BY 12 INCH CONCRETE POST SET FLUSH WITH THE GROUND, STAMPED ALTURAS 1947. <p>TO REACH FROM THE POST OFFICE IN ALTURAS GO SOUTH 1 BLOCK TO CARLOS STREET, TURN RIGHT AND GO WEST 0.4 MILE TO WEST C STREET, TURN RIGHT AND GO NORTH AND EAST TO THE SOUTHEAST CORNER OF THE TOP OF THE HILL AND THE STATION SITE. <p> <h2>STATION RECOVERY (1968) </h2> <p>RECOVERY NOTE BY US AIR FORCE 1968 STATION, BOTH REFERENCE MARKS, AND THE AZIMUTH MARK WERE RECOVERED IN GOOD CONDITION. THE ROUTE DESCRIPTION WAS ADEQUATE, EXCEPT FOR THE AZIMUTH MARK, WHICH FOLLOWS--TO REACH THE AZIMUTH MARK FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 299 IN ALTURAS, CALIFORNIA, GO EAST ON HIGHWAY 395 FOR 0.15 MILE TO A PAVED ROAD LEFT (NORTH). TURN LEFT ON EAST STREET FOR 0.45 MILE TO A GRAVEL ROAD LEFT. TURN LEFT (WEST) FOR 0.1 MILE TO A Y-INTERSECTION. TAKE THE LEFT FORK FOR 0.05 MILE TO THE AZIMUTH MARK ON THE RIGHT (WEST) SIDE OF THE ROAD IN A NORTH-SOUTH FENCELINE. MW0810ALTURAS ARMY AIRPORT BEACONhttp://www.geocaching.com/mark/details.asp?PID=MW0810ALTURAS ARMY AIRPORT BEACONGeocacheGeocacheALTURAS ARMY AIRPORT BEACONCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ALTURAS ARMY AIRPORT BEACON</h1> <b> PID </b> MW0810 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> BIG SAGE RESERVOIR (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 31 22.86306(N) 120 40 18.98050(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.39 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.10 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p> <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 743,983.987 2</td><td>110,840.794</td><td> MT </td><td>0.99996669</td><td> +0 ' 52 06.2"</td></tr><tr><td>SPC CA 1 </td><td>2,440,887.46 6</td><td>925,316.84 </td><td> sFT </td><td>0.99996669</td><td> +0 ' 52 06.2"</td></tr><tr><td>UTM 10 </td><td>4,599,436.464 </td><td>694,244.174</td><td> MT </td><td>1.00006435</td><td> +1 ' 32 37.7"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 31 22.87124(N) 120 40 18.97696(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 41 31 23.26000(N) 120 40 15.12000(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL9424499436(NAD 83) <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1961 </td><td>SEE DESCRIPTION </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) THE BEACON IS LOCATED ABOUT 6 MILES WEST-NORTHWEST OF ALTURAS, ABOUT 2 MILES NORTH OF U.S. HIGHWAY NO. 395, AND ABOUT 0.2 MILE WEST OF THE CENTRAL PORTION OF THE PAVED AIRSTRIP OF THE ARMY AIRPORT. THE BEACON IS MOUNTED ON THE TOP OF A STANDARD 4-SUPPORT STEEL STRUCTURE WHICH IS PAINTED RED AND WHITE AND IS ABOUT 50 FEET HIGH. THE POINT OBSERVED UPON WAS THE CENTER OF THE BEACON LIGHT. <p> <h2>STATION RECOVERY (1961) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1961 THE BEACON HAS BEEN REMOVED, BUT THE STEEL STRUCTURE IS STANDING. MW0770ALTURAS NORTH MUNICIPAL TANKhttp://www.geocaching.com/mark/details.asp?PID=MW0770ALTURAS NORTH MUNICIPAL TANKGeocacheGeocacheALTURAS NORTH MUNICIPAL TANKCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ALTURAS NORTH MUNICIPAL TANK</h1> <b> PID </b> MW0770 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 29 00.26965(N) 120 32 54.80064(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.23 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.10 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p> <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 739,748.928 2</td><td>121,210.402</td><td> MT </td><td>0.99995861</td><td> +0 ' 56 56.7"</td></tr><tr><td>SPC CA 1 </td><td>2,426,992.94 6</td><td>959,337.79 </td><td> sFT </td><td>0.99995861</td><td> +0 ' 56 56.7"</td></tr><tr><td>UTM 10 </td><td>4,595,323.407 </td><td>704,664.306</td><td> MT </td><td>1.00011551</td><td> +1 ' 37 27.9"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 29 00.28069(N) 120 32 54.79769(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 41 29 00.67000(N) 120 32 50.95000(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL0466495323(NAD 83) <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1968 </td><td>SEE DESCRIPTION </td><td>USAF</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (SPH) THE TANK IS THE NORTH ONE AND SMALLER OF TWO MUNICIPAL TANKS LOCATED ABOUT 0.2 MILE WEST OF THE CENTER OF ALTURAS, ON TOP OF A KNOLL OVERLOOKING THE TOWN. THE TANK IS CYLINDRICAL, ABOUT 50 FEET HIGH AND 15 FEET IN DIAMETER, RESTING DIRECTLY ON THE GROUND IN STANDPIPE FASHION. THE CONICAL TOP IS SURMOUNTED BY A BALL AND A LIGHTNING ROD AND OTHER WEATHER APPARATUS. <p> <h2>STATION RECOVERY (1968) </h2> <p>RECOVERY NOTE BY US AIR FORCE 1968 THE INTERSECTION STATION WAS RECOVERED IN GOOD CONDITION AS DESCRIBED. THE INTERSECTION POINT IS THE SOUTHERN OF TWO TOP LIGHTS ON THE NORTHERNMOST OF TWO IDENTICAL TANKS. A CHECK WAS RUN ON THE POSITION AND FOUND TO BE CORRECT. THE TANK IS APPROXIMATELY 75 FEET NORTHEAST OF THE COAST AND GEODETIC STATION ALTURAS 1947. MW0720ANGLEhttp://www.geocaching.com/mark/details.asp?PID=MW0720ANGLEGeocacheGeocacheANGLECGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ANGLE</h1> <b> PID </b> MW0720 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> LEONARDS HOT SPRINGS (1990) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 37 02.59624(N) 120 05 50.64346(W) ADJUSTED <br> <b> NAVD 88 </b> 1471.4 (meters) 4827. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 3.20 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.59 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 755,346.468 2</td><td>158,558.141</td><td> MT </td><td>0.99998786</td><td> +1 ' 14 38.7"</td></tr><tr><td>SPC CA 1 </td><td>2,478,165.87 7</td><td>081,869.50 </td><td> sFT </td><td>0.99998786</td><td> +1 ' 14 38.7"</td></tr><tr><td>SPC NV W </td><td>4,763,313.151 </td><td>673,820.568</td><td> MT </td><td>1.00009587</td><td> -1 ' 00 20.5"</td></tr><tr><td>UTM 10 </td><td>4,611,366.867 </td><td>741,833.341</td><td> MT </td><td>1.00031976</td><td> +1 ' 55 43.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977265 x 0.99998786 = 0.99976052 <br> <b>SPC NV W </b> 0.99977265 x 1.00009587 = 0.99986850 <br> <b>UTM 10 </b> 0.99977265 x 1.00031976 = 1.00009234 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> ANGLE AZ MK </td><td>292° 12' 44.8"</td></tr><tr><td>SPC NV W </td><td> ANGLE AZ MK </td><td>294° 27' 44.0"</td></tr><tr><td>UTM 10 </td><td> ANGLE AZ MK </td><td>291° 31' 40.2"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD5790</td><td>ANGLE RM 1 </td><td> 9.494 METERS</td><td>036° 19' </td></tr><tr><td>CD5791</td><td>ANGLE RM 2 </td><td> 12.779 METERS</td><td>084° 17' </td></tr><tr><td>CD5789</td><td>ANGLE AZ MK </td><td> </td><td>293° 27' 23.5"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 37 02.60046(N) 120 05 50.64744(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 37 02.97600(N) 120 05 46.85600(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1470.2 (m) 4823. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM4183311367(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: TOP OF SQUARE CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) STATION IS LOCATED ABOUT 7 MILES NORTHEAST OF CEDARVILLE, 7 MILES SOUTHEAST OF LAKE CITY, 1/3 MILE EAST OF A HOT SPRING, AND ON THE THIRD SHELF OF A LOW RIDGE THAT RISES IN STEPS ABOVE THE DESERT VALLEY. STATION IS MARKED BY A STANDARD DISK SET FLUSH IN A CYLINDRICAL, CONCRETE POST PROTRUDING 5 INCHES ABOVE THE SURFACE. IT IS STAMPED ANGLE 1947. <p>REFERENCE MARK NO. 1 IS A STANDARD DISK SET FLUSH IN A CYLINDRICAL, CONCRETE POST PROTRUDING 5 INCHES ABOVE THE SURFACE AND ABOUT 18 INCHES HIGHER THAN THE STATION. IT IS STAMPED ANGLE NO 1 1947. <p>REFERENCE MARK NO. 2 IS A STANDARD DISK SET FLUSH IN A 12 INCH SQUARE, CONCRETE POST PROTRUDING 5 INCHES ABOVE THE SURFACE AND ABOUT 2 FEET ABOVE STATION ELEVATION. IT IS STAMPED ANGLE NO 2 1947. <p>THE AZIMUTH MARK IS A STANDARD DISK SET IN A 12 INCH SQUARE, CONCRETE POST PROTRUDING ABOUT 6 INCHES ABOVE THE SURFACE. IT IS 78 FEET EAST OF CENTERLINE OF DESERT ROAD AND IS SURROUNDED BY DENSE GREASEWOOD. IT IS STAMPED ANGLE 1947 <p>TO REACH THE STATION FROM THE JUNCTION OF THE FT. BIDWELL-DENIO ROADS IN CEDARVILLE, GO NORTH ON THE FT. BIDWELL ROAD FOR 7 MILES TO ROAD RIGHT. TURN RIGHT ONTO DESERT ROAD, GOING 3.2 MILES TO A 3 FORKED JUNCTION. KEEP RIGHT FORK (SOUTH) FOR .6 MILE TO Y-FORK, KEEP RIGHT FORK FOR .3 MILE TO AZIMUTH MARK ON LEFT. CONTINUE AHEAD FOR 1/2 MILE TO DIM TRACK CROSS ROAD LEADING LEFT TOWARDS A LOW, STEPPED RIDGE, HERE GO LEFT, PICKING WAY ACROSS GREASEWOOD FLAT TO THE ELEVATION OF THE THIRD SHELF OF RIDGE AND STATION SITE. MW0838ASPhttp://www.geocaching.com/mark/details.asp?PID=MW0838ASPGeocacheGeocacheASPCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ASP</h1> <b> PID </b> MW0838 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> KEPHART (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 33 24.32424(N) 121 18 29.37623(W) ADJUSTED <br> <b> NAVD 88 </b> 1308.8 (meters) 4294. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 0.49 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.87 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 747,118.951 2</td><td>057,713.416</td><td> MT </td><td>0.99997394</td><td> +0 ' 27 08.6"</td></tr><tr><td>SPC CA 1 </td><td>2,451,172.76 6</td><td>751,014.77 </td><td> sFT </td><td>0.99997394</td><td> +0 ' 27 08.6"</td></tr><tr><td>UTM 10 </td><td>4,601,947.327 </td><td>641,084.791</td><td> MT </td><td>0.99984496</td><td> +1 ' 07 21.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99979835 x 0.99997394 = 0.99977229 <br> <b>UTM 10 </b> 0.99979835 x 0.99984496 = 0.99964334 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> ASP AZ MK </td><td>353° 42' 07.7"</td></tr><tr><td>UTM 10 </td><td> ASP AZ MK </td><td>353° 01' 55.3"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6695</td><td>ASP RM 1 </td><td> 8.657 METERS</td><td>079° 04' </td></tr><tr><td>CD6696</td><td>ASP RM 2 </td><td> 14.690 METERS</td><td>343° 08' </td></tr><tr><td>CD6694</td><td>ASP AZ MK </td><td> </td><td>354° 09' 16.3"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 33 24.33326(N) 121 18 29.37849(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 33 24.75100(N) 121 18 25.43800(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1307.7 (m) 4290. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM4108501947(NAD 83) <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1952 </td><td>SEE DESCRIPTION </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS LOCATED ON A LOW RIDGE, ALONG THE GREAT NORTHERN RAILROAD, ABOUT 25 MILES SOUTH SOUTHEAST OF TULE LAKE, ABOUT 24 MILES WEST NORTHWEST OF CANBY, ABOUT 6 MILE SOUTHEAST OF TIONESTA, ABOUT 39 FEET WEST OF THE GREAT NORTHERN RAILROAD TRACKS, AND 9 FEET NORTH OF A WHITE WITNESS POST. <p>TO REACH, FROM THE U.S. POST OFFICE IN CANBY, GO WEST, ON U.S. HIGHWAY 299, FOR 0.6 MILE TO JUNCTION. TURN RIGHT, ON STATE HIGHWAY 139, AND GO NORTH 25.9 MILES TO SIDE ROAD LEFT. TURN LEFT, (AS PER SIGN TIONESTA 6), AND GO WEST 2.6 MILES TO FORKS. TAKE LEFT FORK, PASSING JUST IN FRONT OF TIMBER MT. STORE 3.2 MILES TO FORKS. TAKE RIGHT FORK OF THREE, (AS PER SIGN QUAKING ASP), AND GO SOUTH WEST 0.9 MILE TO SIDE ROAD LEFT JUST AFTER CROSSING RAILROAD TRACKS. TURN LEFT, ON DIRT ROAD, AND GO SOUTH ALONG THE WEST SIDE OF TRACKS 3.6 TO SMALL RISE IN ROAD AND THE STATION SITE. <p>THE STATION MARK IS A STANDARD DISK, STAMPED ASP 1948, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH IS ABOUT FLUSH WITH THE GROUND. <p>REFERENCE MARK NUMBER 1 IS A STANDARD DISK, STAMPED ASP NO 1 1948, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH IS ABOUT FLUSH WITH THE GROUND AND IS ABOUT 4 INCHES LOWER THAN THE STATION. <p>REFERENCE MARK NUMBER 2 IS A STANDARD DISK, STAMPED ASP NO 2 1948, SET INTO A DRILL HOLE IN A BOULDER 5 BY 4 FEET IN WIDTH WHICH PROJECTS ABOUT 3 FEET AND IS ABOUT THE SAME ELEVATION AS THE STATION. <p>THE AZIMUTH MARK IS A STANDARD DISK, STAMPED ASP 1948, SET INTO A DRILL HOLE IN A BOULDER 4 FEET IN DIAMETER WHICH PROJECTS ABOUT 3-1/2 FEET. IT IS LOCATED ALONG THE GREAT NORTHERN RAILROAD, ABOUT 90 FEET EAST OF THE ROAD, ABOUT 40 FEET WEST OF THE CENTER OF THE RAILROAD TRACKS AND ON A LOW RIDGE. <p>TO REACH FROM THE STATION, GO NORTH, ALONG THE WEST SIDE OF THE RAILROAD TRACKS 0.9 MILE TO THE AZIMUTH MARK. <p> <h2>STATION RECOVERY (1952) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1952 STATION DESTROYED BY GREAT NORTHERN RAILROAD. MW0180B 137http://www.geocaching.com/mark/details.asp?PID=MW0180B 137GeocacheGeocacheB 137CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 137</h1> <b> PID </b> MW0180 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 29 46. (N) 120 36 27. (W) SCALED <br> <b> NAVD 88 </b> 1326.425 (meters) 4351.78 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.10 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1325.516 (meters) 4348.80 (feet) COMP <br> <b> MODELED GRAV</b> 979,891.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 741,080. </td><td> 2,116,270. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1325.352 (m) 4348.26 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL997965(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 4348.472 B 137 1932 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1932 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 2.4 MI W FROM ALTURAS. 2.4 MILES WEST ALONG U.S. HIGHWAY 299 FROM THE WEST CITY LIMITS AT ALTURAS, MODOC COUNTY, 93 FEET NORTHEAST OF A BRIDGE OVER ROCK CREEK, 38 FEET SOUTHEAST OF THE CENTERLINE OF THE HIGHWAY, AND AT A FENCE LINE. A STANDARD DISK, STAMPED 4348.472 B 137 1932 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 5 INCHES ABOVE GROUND. MW0082B 181http://www.geocaching.com/mark/details.asp?PID=MW0082B 181GeocacheGeocacheB 181CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 181</h1> <b> PID </b> MW0082 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WARREN PEAK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 24 42. (N) 120 07 45. (W) SCALED <br> <b> NAVD 88 </b> 1418.074 (meters) 4652.46 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -21.67 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1417.037 (meters) 4649.06 (feet) COMP <br> <b> MODELED GRAV</b> 979,842.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 732,450. </td><td> 2,156,400. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1416.952 (m) 4648.78 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL399884(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <br>STAMPING: B 181 1934 <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 7 MI N FROM EAGLEVILLE. 7.0 MILES NORTH ALONG THE CEDARVILLE ROAD FROM THE GRAMMAR SCHOOL AT EAGLEVILLE, MODOC COUNTY, AT A REINFORCED CONCRETE BRIDGE OVER COTTONWOOD CREEK, AND IN THE TOP OF THE WEST WING WALL OF THE NORTH ABUTMENT. A STANDARD DISK, STAMPED B 181 1934. MW0134B 207http://www.geocaching.com/mark/details.asp?PID=MW0134B 207GeocacheGeocacheB 207CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 207</h1> <b> PID </b> MW0134 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ADIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 11 12. (N) 120 53 40. (W) SCALED <br> <b> NAVD 88 </b> 1350.328 (meters) 4430.20 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.67 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1349.358 (meters) 4427.02 (feet) COMP <br> <b> MODELED GRAV</b> 979,858.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 706,380. </td><td> 2,092,740. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1349.275 (m) 4426.75 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL765616(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: B 207 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1959 3.7 MI SE FROM ADIN. THE MARK WAS FOUND IN GOOD CONDITION-- WEST OF THE MODOC NATIONAL FOREST BOUNDARY SIGN, 68 FEET NORTHWEST OF A CATTLEGUARD, 35 FEET NORTH OF THE CENTERLINE OF THE ROAD, AND 1 FOOT SOUTH OF THE FENCE LINE. MW0197B 505http://www.geocaching.com/mark/details.asp?PID=MW0197B 505GeocacheGeocacheB 505CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 505</h1> <b> PID </b> MW0197 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SPAULDING BUTTE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 30 25. (N) 121 09 32. (W) SCALED <br> <b> NAVD 88 </b> 1425.412 (meters) 4676.54 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.73 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1424.413 (meters) 4673.26 (feet) COMP <br> <b> MODELED GRAV</b> 979,872.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 741,700. </td><td> 2,070,220. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1424.322 (m) 4672.96 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL536966(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: B 505 1954 <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 5.7 MI S FROM HACKAMORE. 2.2 MILES SOUTH ALONG A GRADED ROAD FROM THE WATER TOWER AT HACKAMORE, THENCE 1.6 MILES WEST ALONG STATE HIGHWAY 139, THENCE 1.9 MILES SOUTH ALONG LOOKOUT ROAD, ABOUT 150 YARDS SOUTH OF A SMALL RISE IN THE ROAD, ABOUT 130 YARDS SOUTHEAST AND ACROSS THE ROAD FROM A WIRE GATE IN A FENCE, AT THE Y JUNCTION OF A VERY DIM ROAD LEADING SOUTHEAST, IN THE TOP OF A BENCH OF THE SOUTHWEST END OF A 7- BY 4-FOOT OUTCROP PROJECTING 2 1/2 FEET ABOVE THE GROUND, 140 FEET EAST OF THE CENTER LINE OF THE ROAD AT THE JUNCTION 90 FEET SOUTHEAST OF A POINT DIRECTLY UNDER TELEPHONE WIRES SUPPORTED BY TREES, 53 1/2 FEET SOUTHEAST OF AN 18-INCH PINE TREE SUPPORTING A FOREST SERVICE SIGN BOUNDARY OF TIMBER SALE, AND ABOUT 3 FEET HIGHER THAN THE ROAD. MW0362B 506http://www.geocaching.com/mark/details.asp?PID=MW0362B 506GeocacheGeocacheB 506CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 506</h1> <b> PID </b> MW0362 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WHITE HORSE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 19 32. (N) 121 24 29. (W) SCALED <br> <b> NAVD 88 </b> 1339.586 (meters) 4394.96 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -23.37 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1338.653 (meters) 4391.90 (feet) COMP <br> <b> MODELED GRAV</b> 979,880.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 721,380. </td><td> 2,049,550. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1338.516 (m) 4391.45 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL332761(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: B 506 1954 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>19860430</td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 1.3 MI NW FROM WHITE HORSE. 0.4 MILE NORTHWEST ALONG A GRADED ROAD FROM THE WATER TANK AT WHITE HORSE, THENCE 0.9 MILE NORTHWEST ALONG A GRADED ROAD, AT THE JUNCTION OF A ROAD LEADING NORTHEAST, 90 FEET SOUTH OF THE APPROXIMATE CENTER OF THE JUNCTION, 37 1/2 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 2.7 FEET SOUTHEAST OF A WITNESS POST, ABOUT 1 FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1986) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1986 (LML) RECOVERED IN GOOD CONDITION. MW0248B 602http://www.geocaching.com/mark/details.asp?PID=MW0248B 602GeocacheGeocacheB 602CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 602</h1> <b> PID </b> MW0248 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 50 30. (N) 121 18 27. (W) SCALED <br> <b> NAVD 88 </b> 1247.118 (meters) 4091.59 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1246.327 (meters) 4088.99 (feet) COMP <br> <b> MODELED GRAV</b> 979,945.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 778,760. </td><td> 2,057,520. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1246.044 (m) 4088.06 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM405335(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: CULVERT <br>STAMPING: B 602 1940 <br>MARK LOGO: CGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1981 </td><td>GOOD </td><td>LOCSUR</td></tr><tr><td>19900321</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1940 6.3 MI SE FROM STRONGHOLD. 5.3 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE FLAG STATION AT STRONGHOLD, MODOC COUNTY, THENCE 1.0 MILE SOUTHEAST ALONG THE CANBY-KLAMATH FALLS HIGHWAY, 0.4 MILE SOUTHEAST OF THE NORTHWEST BOUNDARY OF THE MODOC NATIONAL FOREST, IN THE TOP OF THE EAST END OF CONCRETE CULVERT 2114+00, 18 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, AND AT A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED B 602 1940. <p> <h2>STATION RECOVERY (1981) </h2> <p>RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1981 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1990) </h2> <p>RECOVERY NOTE BY CALTRANS 1990 RECOVERED IN GOOD CONDITION. MW0956B 602 RESEThttp://www.geocaching.com/mark/details.asp?PID=MW0956B 602 RESETGeocacheGeocacheB 602 RESETCADTNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 602 RESET</h1> <b> PID </b> MW0956 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 50 30. (N) 121 18 27. (W) SCALED <br> <b> NAVD 88 </b> 1246.93 (meters) 4091.0 (feet) RESET <br> <hr> <b> GEOID HEIGHT</b> -22.62 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was computed from unverified reset data. No vertical observational check was made to the station. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 778,760. </td><td> 2,057,520. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (08/19/04) 1245.86 (m) 4087.5 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM405335(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: B 602 RESET 1990 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1990 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1990 6.1 MILES (9.8 KM) SOUTHEAST ALONG STATE HIGHWAY 139 FROM STRONGHOLD, TO THE INTERSECTION WITH COUNTY ROAD 114, OLD ALTURAS HIGHWAY, THENCE 0.2 MILES (0.3 KM) SOUTHERLY ALONG STATE HIGHWAY 139. MARK IS 73 FEET (22.3 M) EASTERLY FROM CENTERLINE OF HIGHWAY AND 2 FEET (0.6 M) WESTERLY FROM AN ANGLE POINT IN A N-S FENCE. FROM THE MARK A ROCK JACK IN FENCE RUNNING ALONG WEST SIDE OF HIGHWAY BEARS N 86 DEG W, 162 FEET, THE SOUTHEAST CORNER OF A CONCRETE PAD AT A SCALE SIGHT BEARS N 36 DEG W, 331 FEET, AND A GATE POST AT NORTH SIDE OF A DRIVEWAY ON EAST SIDE OF HIGHWAY BEARS S 20 DEG E, 284 FEET. MW0120B 742http://www.geocaching.com/mark/details.asp?PID=MW0120B 742GeocacheGeocacheB 742CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 742</h1> <b> PID </b> MW0120 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 29 10. (N) 120 33 49. (W) SCALED <br> <b> NAVD 88 </b> 1331.773 (meters) 4369.33 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.10 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1330.846 (meters) 4366.28 (feet) COMP <br> <b> MODELED GRAV</b> 979,880.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>This mark is at Alturas Municipal Airport (O00) <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 740,030. </td><td> 2,119,950. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1330.686 (m) 4365.76 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL033955(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: B 742 1944 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1944 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1944 AT ALTURAS MUN AP NO 1. AT ALTURAS MUNICIPAL AIRPORT NO. 1, MODOC COUNTY, AT THE COMBINATION OFFICE BUILDING AND HANGAR, 1.5 FEET WEST OF THE SOUTHWEST CORNER, AND 1.5 FEET SOUTH OF THE SOUTH FACE OF THE 12-INCH SQUARE WOODEN POST SUPPORTING THE SOUTH END OF THE HANGAR-DOOR CARRIAGE. A STANDARD DISK, STAMPED B 742 1944 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 3 INCHES ABOVE GROUND. MW0023B 93http://www.geocaching.com/mark/details.asp?PID=MW0023B 93GeocacheGeocacheB 93CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>B 93</h1> <b> PID </b> MW0023 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SURPRISE STATION (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 31 36. (N) 120 28 20. (W) SCALED <br> <b> NAVD 88 </b> 1346.842 (meters) 4418.76 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -21.90 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1345.906 (meters) 4415.69 (feet) COMP <br> <b> MODELED GRAV</b> 979,881.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 744,660. </td><td> 2,127,500. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1345.742 (m) 4415.16 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM108003(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 4415.208 B 93 1931 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1931 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 5 MI NE FROM ALTURAS. 5.0 MILES NORTHEAST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE STATION AT ALTURAS, MODOC COUNTY, JUST SOUTH OF MILEPOST 463, AT THE STATE QUARANTINE STATION, 67.5 FEET EAST OF THE CENTERLINE OF THE TRACK, 51.5 FEET WEST OF THE CENTERLINE OF A HIGHWAY, AND 18 FEET SOUTH OF A GATE. A STANDARD DISK, STAMPED 4415.208 B 93 1931 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 8 INCHES ABOVE GROUND. MW0730BALD MOUNTAINhttp://www.geocaching.com/mark/details.asp?PID=MW0730BALD MOUNTAINGeocacheGeocacheBALD MOUNTAINCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BALD MOUNTAIN</h1> <b> PID </b> MW0730 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> PAYNE PEAK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 36 35.48147(N) 120 16 12.03823(W) ADJUSTED <br> <b> NAVD 88 </b> 2521.0 (meters) 8271. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -0.39 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.35 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 754,211.931 2</td><td>144,191.734</td><td> MT </td><td>0.99998607</td><td> +1 ' 07 52.4"</td></tr><tr><td>SPC CA 1 </td><td>2,474,443.64 7</td><td>034,735.71 </td><td> sFT </td><td>0.99998607</td><td> +1 ' 07 52.4"</td></tr><tr><td>UTM 10 </td><td>4,610,060.648 </td><td>727,477.315</td><td> MT </td><td>1.00023683</td><td> +1 ' 48 49.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99960809 x 0.99998607 = 0.99959417 <br> <b>UTM 10 </b> 0.99960809 x 1.00023683 = 0.99984483 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BALD MOUNTAIN AZ MK </td><td>169° 39' 48.4"</td></tr><tr><td>UTM 10 </td><td> BALD MOUNTAIN AZ MK </td><td>168° 58' 51.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6725</td><td>BALD MOUNTAIN AZ MK </td><td> </td><td>170° 47' 40.8"</td></tr><tr><td>CD6726</td><td>BALD MOUNTAIN RM 1 </td><td> 15.084 METERS</td><td>189° 12' </td></tr><tr><td>CD6727</td><td>BALD MOUNTAIN RM 2 </td><td> 7.407 METERS</td><td>295° 54' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 36 35.48727(N) 120 16 12.03998(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 36 35.87400(N) 120 16 08.23300(W) AD( ) 2 <br> NGVD 29 (07/19/86) 2519.7 (m) 8267. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM2747710061(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) STATION IS LOCATED ABOUT 16 MILES NORTHEAST OF ALTURAS, 3-1/2 MILES SOUTHWEST OF LAKE CITY, 7-1/2 MILES NORTHWEST OF CEDARVILLE AND ON A HIGH, PROMINENT, BALD MOUNTAIN. IT BEING THE HIGHEST POINT IN THE IMMEDIATE VICINITY. <p>THE STATION IS MARKED BY A STANDARD DISK SET IN A FLAT BOULDER PROJECTING 6 INCHES ABOVE THE SURFACE, 10 FEET NORTHWEST OF A 4 FOOT ROCK CAIRN (FOREST SERVICE SIGNAL), AND ON THE HIGHEST POINT OF THE MOUNTAIN. IT IS STAMPED BALD MTN 1947. <p>THE REFERENCE MARKS ARE STANDARD DISKS SET IN SMALL BOULDERS. NO. 1 IS AT STATION ELEVATION AND NO. 2 IS ABOUT 5-1/2 BELOW THE STATION. THEY ARE STAMPED BALD MTN NO 1 1947 AND BALD MTN NO 2 1947 RESPECTIVELY. <p>THE AZIMUTH MARK IS ABOUT .2 MILE SOUTH OF THE STATION ON A SHARP, ROCKY POINT. IT IS A STANDARD DISK SET IN A LARGE BOULDER PROJECTING 3-1/2 FEET ABOVE THE SURFACE, 2-1/2 FEET SOUTH OF A SMALL ROCK CAIRN WITH A POLE IN THE CENTER. IT IS STAMPED BALD MTN 1947. <p>TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY NO. 395 AND NO. 299 IN THE NORTH EDGE OF ALTURAS, GO EAST ON HIGHWAY NO. 395 TOWARDS LAKEVIEW FOR 11.7 MILES TO ROAD RIGHT AND SIGN JOSEPH CREEK BASIN. GO RIGHT ON FARM ROAD, PASSING THROUGH SEVERAL GATES, FOR 3.1 MILES TO FORKS. TAKE LEFT FORK FOR .9 MILE TO RANCH ON RIGHT. CONTINUE AHEAD ON TRACK ROAD FOR 2.2 MILES TO A CAMP GROUND AND END OF TRUCK TRAVEL. PACK EAST ON A GOOD TRAIL, FOLLOWING A MOUNTAIN STREAM, FOR APPROXIMATELY 3 MILES TO A SADDLE VISIBLE ON THE SKYLINE TO THE EAST. LEAVE THE TRAIL, CLIMBING ONTO SADDLE, THENCE BEAR LEFT, FOLLOWING RIDGE TO A SHARP POINT, DIRECTLY AHEAD, AND SITE OF AZIMUTH MARK. THE STATION IS ABOUT .2 MILE NORTH OF THIS POINT AND ON THE HIGHEST ELEVATION VISIBLE. MW0736BARNEShttp://www.geocaching.com/mark/details.asp?PID=MW0736BARNESGeocacheGeocacheBARNESCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BARNES</h1> <b> PID </b> MW0736 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WILLOW RANCH (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 55 26.63016(N) 120 18 46.23696(W) ADJUSTED <br> <b> NAVD 88 </b> 1502.1 (meters) 4928. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 12.32 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.17 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 789,035.526 2</td><td>139,950.187</td><td> MT </td><td>1.00007558</td><td> +1 ' 06 11.5"</td></tr><tr><td>SPC CA 1 </td><td>2,588,694.05 7</td><td>020,819.91 </td><td> sFT </td><td>1.00007558</td><td> +1 ' 06 11.5"</td></tr><tr><td>SPC OR S </td><td> 28,611.418 1</td><td>515,526.448</td><td> MT </td><td>1.00012809</td><td> +0 ' 07 41.0"</td></tr><tr><td>SPC OR S </td><td> 93,869.48 4</td><td>972,199.63 </td><td> iFT </td><td>1.00012809</td><td> +0 ' 07 41.0"</td></tr><tr><td>UTM 10 </td><td>4,644,837.624 </td><td>722,817.187</td><td> MT </td><td>1.00021096</td><td> +1 ' 47 46.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99976778 x 1.00007558 = 0.99984334 <br> <b>SPC OR S </b> 0.99976778 x 1.00012809 = 0.99989584 <br> <b>UTM 10 </b> 0.99976778 x 1.00021096 = 0.99997869 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BARNES AZ MK </td><td>179° 05' 08.0"</td></tr><tr><td>SPC OR S </td><td> BARNES AZ MK </td><td>180° 03' 38.5"</td></tr><tr><td>UTM 10 </td><td> BARNES AZ MK </td><td>178° 23' 33.4"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6737</td><td>BARNES RM 2 </td><td> 3.036 METERS</td><td>168° 07' </td></tr><tr><td>CD6735</td><td>BARNES AZ MK </td><td> </td><td>180° 11' 19.5"</td></tr><tr><td>MW0734</td><td>WILLOW RANCH WESTERLY TANK </td><td>APPROX. 4.5 KM</td><td>233° 57' 40.6"</td></tr><tr><td>CD6736</td><td>BARNES RM 1 </td><td> 4.801 METERS</td><td>307° 20' </td></tr><tr><td>NY0783</td><td>LAKEVIEW AMERICAN BOX CORP TK </td><td>APPROX.29.4 KM</td><td>353° 09' 38.8"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 55 26.63140(N) 120 18 46.23700(W) AD(1984.00) 3 <br> <b> NAD 83(1986)</b> 41 55 26.63300(N) 120 18 46.23674(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 55 27.03300(N) 120 18 42.40200(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1500.9 (m) 4924. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM2281744838(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) THE STATION IS ABOUT 13 MILES NORTH OF DAVIS CREEK, 5 MILES SOUTH OF NEW PINE CREEK, 0.6 MILE NORTH OF THE JUNCTION OF U.S. HIGHWAY 395 AND THE ROAD TO WILLOW RANCH, AND 100 YARDS EAST OF HIGHWAY 395. <p>THE STATION MARK, STAMPED BARNES 1948, IS A STANDARD DISK SET IN BEDROCK FLUSH WITH THE SURFACE ON THE EAST SIDE AND PROJECTING 2 INCHES ON THE WEST SIDE. IT IS 20 METERS EAST OF TRANSMISSION LINE POLE 12/35 AND 19.7 METERS NORTH OF A SMALL, PARTLY TRIMMED JUNIPER TREE. <p>REFERENCE MARK NO. 1, STAMPED BARNES 1948 NO 1, IS A STANDARD DISK SET IN BEDROCK FLUSH WITH THE SURFACE TO THE EAST AND PROJECTING 8 INCHES ON THE WEST SIDE. IT IS 16 METERS WEST OF TRANSMISSION LINE POLE 12/35. <p>REFERENCE MARK NO. 2, STAMPED BARNES 1948 NO 2, IS A STANDARD DISK SET IN A BEDROCK OUTCROP, 10 INCHES IN DIAMETER, PROTRUDING 3 INCHES ABOVE THE SURFACE. IT IS 16-1/2 METERS NORTH OF THE SMALL, PARTLY TRIMMED JUNIPER TREE. <p>THE AZIMUTH MARK, STAMPED BARNES 1948, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 2 INCHES ABOVE THE GROUND. IT IS ON A SLIGHT RISE ON THE EAST SIDE OF THE HIGHWAY, 27.5 FEET EAST OF THE CENTER OF THE ROAD, 9 FEET EAST OF A CURVE SIGN, AND 4 FEET WEST OF THE FENCE LINE. TO REACH FROM THE STATION GO SOUTH ON THE HIGHWAY FOR 0.2 MILE TO THE CURVE SIGN AND MARK ON THE LEFT. <p>TO REACH THE STATION FROM THE POST OFFICE IN NEW PINE CREEK GO SOUTH ON U.S. HIGHWAY 395 FOR 5.5 MILES TO THE STATION ON LEFT, AT A POINT IN LINE WITH THE SOUTH SIDE OF A CIRCULAR, BOARD CORRAL ON THE WEST SIDE OF THE ROAD. THENCE PACK EAST UP STEEP SLOPE ABOUT 100 YARDS TO THE STATION. MW0832BEELERhttp://www.geocaching.com/mark/details.asp?PID=MW0832BEELERGeocacheGeocacheBEELERCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BEELER</h1> <b> PID </b> MW0832 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SPAULDING BUTTE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1994)</b> 41 31 51.02328(N) 121 08 05.44664(W) ADJUSTED <br> <b> NAVD 88 </b> 1452.26 (+/-2cm) 4764.6 (feet) VERTCON <br> <hr> <b> LAPLACE CORR</b> 3.67 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.67 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> THIRD ? (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1998. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 744,369.176 2</td><td>072,199.280</td><td> MT </td><td>0.99996834</td><td> +0 ' 33 56.6"</td></tr><tr><td>SPC CA 1 </td><td>2,442,151.20 6</td><td>798,540.47 </td><td> sFT </td><td>0.99996834</td><td> +0 ' 33 56.6"</td></tr><tr><td>UTM 10 </td><td>4,599,367.553 </td><td>655,600.394</td><td> MT </td><td>0.99989796</td><td> +1 ' 14 12.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977582 x 0.99996834 = 0.99974417 <br> <b>UTM 10 </b> 0.99977582 x 0.99989796 = 0.99967380 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BEELER AZ MK </td><td>109° 50' 35.4"</td></tr><tr><td>UTM 10 </td><td> BEELER AZ MK </td><td>109° 10' 19.2"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6771</td><td>BEELER AZ MK </td><td> </td><td>110° 24' 32.0"</td></tr><tr><td>CD6772</td><td>BEELER RM 1 </td><td> 9.101 METERS</td><td>120° 22' </td></tr><tr><td>CD6773</td><td>BEELER RM 2 </td><td> 9.885 METERS</td><td>254° 43' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1992)</b> 41 31 51.02328(N) 121 08 05.44664(W) AD(1991.35) 3 <br> <b> NAD 83(1986)</b> 41 31 51.03513(N) 121 08 05.44817(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 31 51.43700(N) 121 08 01.53400(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1451.16 (m) 4761.0 (f) LEVELING 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL5560099368(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS LOCATED IN AN OPEN SPOT IN THE HEAVY WOODED AREA ALONG THE NORTH SIDE OF THE STATE HIGHWAY 139. IT IS ABOUT 15 MILES AIRLINE NORTHWEST OF CANBY, ABOUT 7 MILES AIRLINE SOUTHEAST OF THE TULE LAKE QUARANTINE STATION. <p>THE STATION IS A STANDARD STATION DISK THAT IS SET IN A DRILL HOLE IN A BOULDER THAT IS FLUSH WITH THE SURFACE OF THE GROUND. IT IS 85 FEET NORTH NORTHEAST OF THE CENTERLINE OF THE HIGHWAY, 63 FEET NORTHEAST OF A 3 FOOT PINE TREE THAT HAS A TRIANGULAR BLAZE FACING THE ROAD AND 12 FEET EAST SOUTHEAST OF A WHITE WITNESS POST. THE DISK IS STAMPED BEELER 1947. <p>REFERENCE MARK NUMBER ONE IS A STANDARD REFERENCE DISK THAT IS SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS 1 INCH ABOVE THE GROUND. IT IS 78 FEET NORTH NORTHEAST OF THE CENTERLINE OF THE HIGHWAY AND 79 FEET EAST NORTHEAST OF THE TREE WITH THE TRIANGULAR BLAZE. THE DISK IS STAMPED BEELER NO 1 1947. <p>REFERENCE MARK NUMBER TWO IS A STANDARD REFERENCE DISK THAT IS SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS 3 INCHES ABOVE THE GROUND. IT IS 39 FEET NORTH NORTHEAST OF THE TREE WITH THE TRIANGULAR BLAZE AND 45 FEET WEST SOUTHWEST OF THE WHITE WITNESS POST. THE DISK IS STAMPED BEELER NO 2 1947. <p>THE AZIMUTH MARK IS A STANDARD AZIMUTH MARK DISK THAT IS SET IN THE TOP OF A CONCRETE POST THAT IS 15 INCHES SQUARE ON ITS TOP AND PROJECTS 4 INCHES ABOVE THE GROUND. IT IS 31 FEET SOUTH SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY AND 6 FEET SOUTHWEST OF A WHITE WITNESS POST. (THIS MARK WAS FOUND TO BE IN VERY POOR CONDITION) THE DISK IS STAMPED BEELER 1947. TO REACH THE MARK FROM THE STATION GO EAST ON THE HIGHWAY FOR 0.25 MILE TO THE MARK ON THE RIGHT AS DESCRIBED. <p>TO REACH THE STATION FROM THE U.S. POST OFFICE IN CANBY GO WEST ON U.S. HIGHWAY 299 FOR 0.6 MILE. TURN RIGHT, NORTHWEST, ON STATE HIGHWAY 139 AND GO 15.35 MILES TO THE STATION ON THE RIGHT AS DESCRIBED. MW0726BENTONhttp://www.geocaching.com/mark/details.asp?PID=MW0726BENTONGeocacheGeocacheBENTONCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BENTON</h1> <b> PID </b> MW0726 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> DAVIS CREEK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 40 24.18492(N) 120 22 29.37870(W) ADJUSTED <br> <b> NAVD 88 </b> 1470.0 (meters) 4823. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 8.30 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.47 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 761,099.317 2</td><td>135,325.604</td><td> MT </td><td>1.00000171</td><td> +1 ' 03 45.6"</td></tr><tr><td>SPC CA 1 </td><td>2,497,040.01 7</td><td>005,647.42 </td><td> sFT </td><td>1.00000171</td><td> +1 ' 03 45.6"</td></tr><tr><td>UTM 10 </td><td>4,616,843.346 </td><td>718,527.768</td><td> MT </td><td>1.00018770</td><td> +1 ' 44 46.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977286 x 1.00000171 = 0.99977457 <br> <b>UTM 10 </b> 0.99977286 x 1.00018770 = 0.99996052 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BENTON AZ MK </td><td>100° 30' 30.6"</td></tr><tr><td>UTM 10 </td><td> BENTON AZ MK </td><td>099° 49' 30.2"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6849</td><td>BENTON RM 1 </td><td> 9.012 METERS</td><td>003° 40' </td></tr><tr><td>CD6848</td><td>BENTON AZ MK </td><td> </td><td>101° 34' 16.2"</td></tr><tr><td>CD6850</td><td>BENTON RM 2 </td><td> 9.467 METERS</td><td>172° 47' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 40 24.19065(N) 120 22 29.37871(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 40 24.58500(N) 120 22 25.55200(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1468.8 (m) 4819. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM1852816843(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1978 </td><td>SEE DESCRIPTION </td><td>PP+L</td></tr><tr><td>1980 </td><td>SEE DESCRIPTION </td><td>PP+L</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) THE STATION IS LOCATED ABOUT 4 MILES SOUTH OF DAVIS CREEK ALONG U.S. HIGHWAY 395, 0.1 MILE NORTH OF A DIRT ROAD T INTERSECTION, 30 FEET EAST OF THE CENTER OF THE HIGHWAY, 16 FEET NORTH OF A 10 INCH POST 8 FEET HIGH WITH A TRIANGLE BLAZE, 7 FEET SOUTHWEST OF A WHITE WITNESS POST, 5 FEET WEST OF A FENCE LINE. THE DISK IS SET IN THE TOP OF A 12 INCH SQUARE CONCRETE POST WHICH PROJECTS 3 INCHES, STAMPED BENTON 1948. <p>REFERENCE MARK NO. 1 IS NORTH OF THE STATION, 33 FEET EAST OF THE CENTER OF THE HIGHWAY, 2 FEET WEST OF A FENCE LINE. DISK IS SET IN THE TOP OF A 12 INCH SQUARE CONCRETE POST WHICH PROJECTS 4 INCHES, STAMPED BENTON NO 1 1948. <p>REFERENCE MARK NO. 2 IS SOUTH OF THE STATION, 33 FEET EAST OF THE CENTER OF THE HIGHWAY, 14 FEET SOUTH OF A 10 INCH POST 8 FEET HIGH WITH A TRIANGLE BLAZE, 2 FEET WEST OF A FENCE LINE. DISK IS SET IN THE TOP OF A 12 INCH SQUARE CONCRETE POST WHICH PROJECTS 4 INCHES, STAMPED BENTON NO 2 1948. <p>THE AZIMUTH MARK IS LOCATED 0.4 MILE EAST OF THE STATION AND HIGHWAY, 80 FEET NORTH OF A DIRT ROAD, 49 FEET NORTH OF A WHITE WITNESS POST, 48 FEET NORTH OF A FENCE LINE, 33 FEET WEST OF A FENCE LINE. THE DISK IS SET IN THE TOP OF A 1-1/2 BY 2 FOOT BOULDER WHICH PROJECTS 9 INCHES, STAMPED BENTON 1948. <p>TO REACH THE STATION FROM THE POST OFFICE AT DAVIS CREEK GO SOUTH ON U.S. HIGHWAY 395 FOR 4 MILES TO THE STATION SITE ON THE LEFT. <p> <h2>STATION RECOVERY (1978) </h2> <p>RECOVERY NOTE BY PACIFIC POWER AND LIGHT COMPANY 1978 (DCS) BENTON TRIANGULATION STATION GOOD. <p>BENTON 1 GOOD. <p>BENTON 2 KNOCKED OUT. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY PACIFIC POWER AND LIGHT COMPANY 1980 (DCS) BENTON GOOD <p>RM 1 GOOD <p>RM 2 DISTURBED MW0717BIDWELL MOUNTAINhttp://www.geocaching.com/mark/details.asp?PID=MW0717BIDWELL MOUNTAINGeocacheGeocacheBIDWELL MOUNTAINCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BIDWELL MOUNTAIN</h1> <b> PID </b> MW0717 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> MOUNT BIDWELL (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 56 50.44619(N) 120 08 07.02113(W) ADJUSTED <br> <b> NAVD 88 </b> 2510.5 (meters) 8237. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -4.76 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -20.77 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 791,919.666 2</td><td>154,621.694</td><td> MT </td><td>1.00008342</td><td> +1 ' 13 09.5"</td></tr><tr><td>SPC CA 1 </td><td>2,598,156.44 7</td><td>068,954.67 </td><td> sFT </td><td>1.00008342</td><td> +1 ' 13 09.5"</td></tr><tr><td>SPC OR S </td><td> 31,246.253 1</td><td>530,245.443</td><td> MT </td><td>1.00011947</td><td> +0 ' 14 58.3"</td></tr><tr><td>SPC OR S </td><td> 102,513.95 5</td><td>020,490.30 </td><td> iFT </td><td>1.00011947</td><td> +0 ' 14 58.3"</td></tr><tr><td>SPC NV W </td><td>4,800,015.295 </td><td>671,324.954</td><td> MT </td><td>1.00010368</td><td> -1 ' 02 15.1"</td></tr><tr><td>UTM 10 </td><td>4,647,899.967 </td><td>737,455.170</td><td> MT </td><td>1.00029388</td><td> +1 ' 54 56.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99960965 x 1.00008342 = 0.99969304 <br> <b>SPC OR S </b> 0.99960965 x 1.00011947 = 0.99972907 <br> <b>SPC NV W </b> 0.99960965 x 1.00010368 = 0.99971329 <br> <b>UTM 10 </b> 0.99960965 x 1.00029388 = 0.99990342 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BIDWELL MOUNTAIN AZ MK </td><td>148° 45' 09.9"</td></tr><tr><td>SPC OR S </td><td> BIDWELL MOUNTAIN AZ MK </td><td>149° 43' 21.1"</td></tr><tr><td>SPC NV W </td><td> BIDWELL MOUNTAIN AZ MK </td><td>151° 00' 34.5"</td></tr><tr><td>UTM 10 </td><td> BIDWELL MOUNTAIN AZ MK </td><td>148° 03' 22.5"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6855</td><td>BIDWELL MOUNTAIN AZ MK </td><td> </td><td>149° 58' 19.4"</td></tr><tr><td>CD6856</td><td>BIDWELL MOUNTAIN RM 1 </td><td> 4.092 METERS</td><td>192° 54' </td></tr><tr><td>CD6857</td><td>BIDWELL MOUNTAIN RM 2 </td><td> 4.832 METERS</td><td>345° 17' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 56 50.44664(N) 120 08 07.02260(W) AD(1984.00) 1 <br> <b> NAD 83(1986)</b> 41 56 50.44824(N) 120 08 07.02157(W) AD(1984.00) 1 <br> <b> NAD 27 </b> 41 56 50.84600(N) 120 08 03.19800(W) AD( ) 1 <br> NGVD 29 (07/19/86) 2509.2 (m) 8232. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM3745547900(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1950 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) THE STATION IS ABOUT 9 MILES EAST SOUTHEAST OF NEW PINE CREEK AND 6 MILES NORTH OF FT. BIDWELL. IT IS ON THE RIM ON THE EXTREME SOUTHEASTERN POINT OF THE SUMMIT OF BIDWELL MOUNTAIN (ELEVATION 8280 FEET). <p>THE STATION MARK, STAMPED BIDWELL MTN 1948, IS A STANDARD DISK SET IN A BEDROCK OUTCROP, 8 INCHES BY 2 FEET, PROTRUDING 2 INCHES ABOVE THE SURFACE. IT IS 6.5 METERS WEST OF A POLE ON THE END OF THE POINT, 2 METERS NORTHWEST OF A NICHE IN THE RIM, AND 1 METER WEST OF AND 3 FEET LOWER THAN THE BOULDERS ON THE END OF THE POINT. <p>REFERENCE MARK NO. 1, STAMPED BIDWELL MTN NO 1 1948, IS A STANDARD DISK SET IN A BEDROCK OUTCROP 1-1/2 FEET WIDE AND 4 FEET LONG. IT IS 2 METERS NORTHWEST OF THE RIM AND 3 FEET HIGHER THAN THE STATION MARK. <p>REFERENCE MARK NO. 2, STAMPED BIDWELL MTN NO 2 1948, IS A STANDARD DISK SET ON THE EDGE OF A SMALL LEDGE 2 FEET HIGH AND 6 FEET IN LENGTH. IT IS 3 FEET LOWER THAN THE STATION MARK. <p>THE AZIMUTH MARK, STAMPED BIDWELL MTN 1948, IS A STANDARD DISK SET IN A BOULDER, 1-1/2 FEET BY 3 FEET, PROTRUDING 6 INCHES ABOVE THE GROUND. IT IS ON THE NORTH EDGE OF A SMALL BODY OF WATER KNOWN AS LAKE ANNIE AND ABOUT 50 YARDS EAST OF THE ROAD ALONG THE WEST SIDE OF THE LAKE. TO REACH THE AZIMUTH MARK FROM THE INTERSECTION ON THE NORTH SIDE OF FT. BIDWELL GO EAST AND NORTH ON THE GRADED ROAD FOR 2.2 MILES TO A ROAD ON LEFT. TURN LEFT AND CONTINUE NORTH, AS PER SIGN TO LAKE ANNIE, FOR 2.7 MILES TO THE AZIMUTH MARK ON A SMALL KNOLL ON THE RIGHT. <p>TO REACH THE STATION FROM THE POST OFFICE IN FT. BIDWELL GO NORTH ON THE PAVED ROAD FOR 0.3 MILE TO THE INTERSECTION AT THE NORTH SIDE OF TOWN. TURN LEFT AND CONTINUE NORTHWESTERLY ON THE GRADED ROAD LEADING UP BIDWELL CREEK FOR 6.5 MILES TO A DIM FORK ON RIGHT (0.7 MILE AFTER CROSSING A SMALL, WOOD BRIDGE). TURN RIGHT AND CONTINUE EASTERLY ON TRACK ROAD FOR 0.5 MILE TO A DIM FORK ON LEFT. TURN LEFT, CONTINUE 0.3 MILE, TO THE END OF THE ROAD AT A CLUSTER OF TREES. CONTINUE NORTH THROUGH SAGE BRUSH 0.1 MILE TO A SMALL DITCH. CROSS THE DITCH AND CONTINUE NORTH UP BROAD, SAGE-COVERED SLOPE FOR 1.7 MILES TO THE END OF TRUCK TRAVEL AT THE BASE OF A STEEPER INCLINE. FROM THE END OF TRUCK TRAVEL PACK NORTH, STAYING BELOW THE HIGH RIM TO THE WEST, FOR ABOUT 1-1/2 MILES TO A CREEK. FOLLOW UP THE CREEK FOR ABOUT 1/2 MILE. THENCE BEAR RIGHT, NORTH, AND CONTINUE UP SLOPE AND ACROSS FLATS FOR ABOUT 1-1/2 MILES TO THE SOUTHEASTERN EXTREMITY OF THE HIGH RIDGE AND THE LOCATION OF THE STATION. <p> <h2>STATION RECOVERY (1950) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1950 (EBL) THE STATION WAS RECOVERED AS DESCRIBED BY G.L.S. IN 1948, AND ALL MARKS WERE FOUND IN GOOD CONDITION. THE ORIGINAL DESCRIPTION IS ADEQUATE. MW0840BIG SANDhttp://www.geocaching.com/mark/details.asp?PID=MW0840BIG SANDGeocacheGeocacheBIG SANDCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BIG SAND</h1> <b> PID </b> MW0840 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CALDWELL BUTTE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 41 26.87620(N) 121 25 08.38622(W) ADJUSTED <br> <b> NAVD 88 </b> 1421.7 (meters) 4664. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -0.69 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.74 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 761,938.845 2</td><td>048,368.883</td><td> MT </td><td>1.00000622</td><td> +0 ' 22 47.7"</td></tr><tr><td>SPC CA 1 </td><td>2,499,794.36 6</td><td>720,356.91 </td><td> sFT </td><td>1.00000622</td><td> +0 ' 22 47.7"</td></tr><tr><td>UTM 10 </td><td>4,616,654.410 </td><td>631,568.881</td><td> MT </td><td>0.99981302</td><td> +1 ' 03 06.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99978063 x 1.00000622 = 0.99978685 <br> <b>UTM 10 </b> 0.99978063 x 0.99981302 = 0.99959369 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BIG SAND AZ MK </td><td>132° 17' 03.0"</td></tr><tr><td>UTM 10 </td><td> BIG SAND AZ MK </td><td>131° 36' 44.6"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>MW0837</td><td>TIMBER MOUNTAIN LOOKOUT </td><td>APPROX.12.2 KM</td><td>124° 37' 38.9"</td></tr><tr><td>CD6866</td><td>BIG SAND RM 1 </td><td> 9.278 METERS</td><td>127° 41' </td></tr><tr><td>CD6865</td><td>BIG SAND AZ MK </td><td> </td><td>132° 39' 50.7"</td></tr><tr><td>CD6867</td><td>BIG SAND RM 2 </td><td> 11.533 METERS</td><td>229° 59' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 41 26.88178(N) 121 25 08.38773(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 41 27.30700(N) 121 25 04.42600(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1420.6 (m) 4661. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM3156916654(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS ON A LOW, PROMINENT, BARE HILL THAT IS THE NORTHWEST ONE OF TWO HILLS THAT RISE PROMINENTLY FROM THE LOWLAND. IT IS ABOUT 20 MILES SOUTH OF THE TOWN OF TULE LAKE AND ABOUT 33 MILES NORTHWEST OF THE TOWN OF CANBY. <p>THE STATION MARK, STAMPED BIG SAND 1948, IS A STANDARD STATION MARK DISK THAT IS BRAZED TO THE TOP OF A 1 INCH PIPE THAT IS EMBEDDED IN THE GROUND AND PROJECTS FROM THE GROUND ABOUT 1 FOOT. IT IS ABOUT 200 YARDS SOUTH OF THE HIGHEST POINT OF THE HILL, ON THE SOUTHWESTERN END OF THE TOP OF THE RIDGE. <p>REFERENCE MARK NUMBER 1, STAMPED BIG SAND NO 1 1948, IS A STANDARD REFERENCE MARK DISK THAT IS CEMENTED IN A DRILL HOLE IN BEDROCK THAT IS FLUSH WITH THE SURFACE OF THE THE GROUND. IT IS ABOUT 1-1/2 FEET LOWER THAN THE STATION. <p>REFERENCE MARK NUMBER 2, STAMPED BIG SAND NO 2 1948, IS A STANDARD REFERENCE MARK DISK THAT IS BRAZED TO THE TOP OF A 1 INCH PIPE THAT IS EMBEDDED IN THE GROUND AND PROJECTS FROM THE SURFACE ABOUT 10 INCHES. IT IS ABOUT 30 FEET WEST OF A SMALL JUNIPER TREE. <p>THE AZIMUTH MARK, STAMPED BIG SAND 1948, IS A STANDARD AZIMUTH MARK DISK THAT IS BRAZED TO THE TOP OF AN IRON PIPE THAT IS EMBEDDED IN THE GROUND AND PROJECTS FROM THE SURFACE ABOUT 1 FOOT. IT IS 30 FEET NORTHEAST OF THE TRACK ROAD LEADING TO THE STATION AND IS ABOUT 20 FEET NORTHEAST OF A SMALL ROCK CAIRN. <p>TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 299 AND CALIFORNIA STATE HIGHWAY 139, 0.6 MILE SOUTHEAST OF THE TOWN OF CANBY, GO NORTHWEST ON HIGHWAY 139 FOR 25.5 MILES TO A ROAD TO THE LEFT AT A SIGN TIONESTA 6. TURN LEFT AND FOLLOW THE MAIN TRAVELED ROAD FOR 2.7 MILES TO A SIGN MODOC LAVA BEDS 14. TURN RIGHT AND FOLLOW THE MAIN TRAVELED ROAD FOR 5.4 MILES TO A SIGN BIG SAND BUTTE 2.3 MILES. TURN RIGHT FOR 1.1 MILES TO THE AZIMUTH MARK ON THE LEFT. CONTINUE ON THE TRACK ROAD FOR 1.0 MILE TO THE FOOT OF THE HILL AND THE END OF TRUCK TRAVEL. PACK NORTH FROM HERE TO THE TOP OF THE RIDGE AND THE STATION. MW0812BLACK ROCKhttp://www.geocaching.com/mark/details.asp?PID=MW0812BLACK ROCKGeocacheGeocacheBLACK ROCKCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BLACK ROCK</h1> <b> PID </b> MW0812 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WHITTEMORE RIDGE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 44 04.45066(N) 120 44 35.31948(W) ADJUSTED <br> <b> NAVD 88 </b> 1651.9 (meters) 5420. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 3.89 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.96 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 767,389.969 2</td><td>104,561.366</td><td> MT </td><td>1.00001796</td><td> +0 ' 49 18.6"</td></tr><tr><td>SPC CA 1 </td><td>2,517,678.59 6</td><td>904,715.08 </td><td> sFT </td><td>1.00001796</td><td> +0 ' 49 18.6"</td></tr><tr><td>UTM 10 </td><td>4,622,767.824 </td><td>687,687.758</td><td> MT </td><td>1.00003351</td><td> +1 ' 30 10.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99974442 x 1.00001796 = 0.99976238 <br> <b>UTM 10 </b> 0.99974442 x 1.00003351 = 0.99977792 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BLACK ROCK AZ MK </td><td>185° 37' 50.6"</td></tr><tr><td>UTM 10 </td><td> BLACK ROCK AZ MK </td><td>184° 56' 59.2"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6894</td><td>BLACK ROCK RM 1 </td><td> 6.857 METERS</td><td>064° 57' </td></tr><tr><td>MW0809</td><td>RADIO RANGE TOWER CENTER OF 5 </td><td>APPROX.17.5 KM</td><td>172° 24' 25.0"</td></tr><tr><td>CD6895</td><td>BLACK ROCK RM 2 </td><td> 5.724 METERS</td><td>177° 39' </td></tr><tr><td>CD6893</td><td>BLACK ROCK AZ MK </td><td> </td><td>186° 27' 09.2"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 44 04.45888(N) 120 44 35.31562(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 44 04.85900(N) 120 44 31.45000(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1650.7 (m) 5416. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM8768822768(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) THE STATION IS ON THE HIGHEST SUMMIT OF TIMBERED MOUNTAIN. IT IS A LOW, ROUNDED, TIMBER-COVERED HILL LYING ABOUT 20 MILES NORTH NORTHWEST OF ALTURAS, 4 MILES SOUTHWEST OF TELEPHONE FLAT RESERVOIR, AND 1-1/4 MILES EAST OF THE ROAD LEADING NORTH TO CROWDER FLAT. <p>THE STATION MARK, STAMPED BLACK ROCK 1948, IS A STANDARD DISK SET IN A BOULDER, 3 FEET IN DIAMETER, FLUSH WITH THE GROUND. IT IS 4 METERS NORTHEAST OF THE LARGEST JUNIPER TREE ON THE SUMMIT. <p>REFERENCE MARK NO. 1, STAMPED BLACK ROCK 1948 NO 1, IS A STANDARD DISK SET IN A BOULDER, 2 FEET IN DIAMETER, PROTRUDING 8 INCHES ABOVE THE GROUND. IT IS APPROXIMATELY IN LINE WITH THE STATION MARK AND THE LARGE JUNIPER TREE AND AT THE SAME LEVEL AS THE STATION MARK. <p>REFERENCE MARK NO. 2, STAMPED BLACK ROCK 1948 NO 2, IS A STANDARD DISK SET IN A BOULDER, 2-1/2 FEET BY 3-1/2 FEET, PROTRUDING 10 INCHES ABOVE THE GROUND. IT IS 5 METERS EAST OF THE LARGE JUNIPER TREE AND AT THE SAME LEVEL AS THE STATION MARK. <p>THE AZIMUTH MARK, STAMPED BLACK ROCK 1948, IS A STANDARD DISK SET IN A BOULDER, 3 FEET BY 5 FEET, FLUSH WITH THE SURFACE IN THE WEST EDGE OF A CONSPICUOUS, BLACK OUTCROP ABOUT 20 FEET IN HEIGHT. IT IS 12 FEET SOUTHWEST OF A POLE ON THE SUMMIT OF THE OUTCROP AND 1 FOOT LOWER THAN THE SUMMIT. TO REACH THE AZIMUTH MARK FROM THE STATION GO SOUTH ALONG THE CREST OF THE RIDGE FOR ABOUT 1/3 MILE TO THE ONLY PROMINENT OUTCROP AND THE MARK. <p>TO REACH THE STATION FROM THE JUNCTION OF HIGHWAYS 299 AND 395 ON THE NORTH SIDE OF ALTURAS GO WEST ON U.S. HIGHWAY 299, TOWARDS CANBY FOR 3.5 MILES TO THE ROAD TO CROWDER FLAT ON RIGHT. TURN RIGHT AND CONTINUE ON THE ROAD LEADING TO CROWDER FLAT, AND UP GRADE, FOR 2.0 MILES TO A FORK. TAKE THE RIGHT FORK, STRAIGHT AHEAD, AND CONTINUE ON THE MAIN TRAVELED ROAD FOR 7.1 MILES TO A FORK. TAKE THE RIGHT FORK AND CONTINUE 0.8 MILE TO A FORK AND TRIANGLE RANCH SIGN. TAKE THE RIGHT FORK AND CONTINUE 3.7 MILES TO A FORK. TAKE THE LEFT FORK AND CONTINUE ON MAIN TRAVELED ROAD FOR 1.8 MILES TO A FORK AND SIGN, PINE SPRING 8. TAKE THE LEFT FORK, MAIN TRAVELED ROAD, AND CONTINUE 5.5 MILES TO A FORK ON RIGHT AND SIGNS POINTING TO TIMBER MOUNTAIN, COUGAR PASS, AND TELEPHONE FLAT. TURN RIGHT AND CONTINUE 1.6 MILES, AS PER SIGNS, TO A DIM FORK, RIGHT. TURN RIGHT AND CONTINUE SOUTHERLY 0.4 MILE TO A POINT JUST NORTH OF A SMALL RESERVOIR. THENCE BEAR RIGHT, OFF THE ROAD, AND FOLLOW DIM TRACKS LEADING AROUND THE WEST SIDE OF THE RESERVOIR FOR 0.25 MILE TO A POINT WEST OF THE TWO DIRT HEAPS IN THE RESERVOIR. HERE TURN RIGHT, WEST, AND CONTINUE ON DIM TRACKS TO AN OPEN AREA AND TO WHERE THE STATION SUMMIT CAN BE SEEN, THE HIGHEST POINT AND SLIGHTLY TO THE LEFT. CONTINUE ON DIM TRACKS AROUND TO THE SOUTH SIDE OF THE SUMMIT TO THE CREST OF THE RIDGE. THENCE FOLLOW THE CREST OF THE RIDGE NORTH TO THE HIGHEST POINT AND THE STATION SITE. THE DISTANCE FROM THE WEST SIDE OF THE RESERVOIR TO THE SUMMIT IS 0.6 MILE. MW0818BLUEhttp://www.geocaching.com/mark/details.asp?PID=MW0818BLUEGeocacheGeocacheBLUECGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BLUE</h1> <b> PID </b> MW0818 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> HAGER BASIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 49 48.14283(N) 120 51 48.63113(W) ADJUSTED <br> <b> NAVD 88 </b> 1750.75 (+/-2cm) 5743.9 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.17 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.02 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> VERT ORDER </b> THIRD ? (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 777,856.426 2</td><td>094,410.975</td><td> MT </td><td>1.00004560</td><td> +0 ' 44 35.3"</td></tr><tr><td>SPC CA 1 </td><td>2,552,017.29 6</td><td>871,413.34 </td><td> sFT </td><td>1.00004560</td><td> +0 ' 44 35.3"</td></tr><tr><td>UTM 10 </td><td>4,633,112.580 </td><td>677,413.805</td><td> MT </td><td>0.99998733</td><td> +1 ' 25 30.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99972893 x 1.00004560 = 0.99977452 <br> <b>UTM 10 </b> 0.99972893 x 0.99998733 = 0.99971626 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BLUE AZ MK </td><td>096° 37' 58.4"</td></tr><tr><td>UTM 10 </td><td> BLUE AZ MK </td><td>095° 57' 02.8"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6910</td><td>BLUE RM 1 </td><td> 32.880 METERS</td><td>071° 33' </td></tr><tr><td>MW0739</td><td>SUGAR HILL FIRE LOT USFS </td><td>APPROX.44.7 KM</td><td>093° 32' 11.2"</td></tr><tr><td>MW0820</td><td>BLUE AZ MK </td><td>APPROX. 1.0 KM</td><td>097° 22' 33.7"</td></tr><tr><td>MW0729</td><td>CEDAR PEAK CAIRN USGS </td><td>APPROX.55.1 KM</td><td>116° 08' 51.7"</td></tr><tr><td>MW0754</td><td>SQUAW PEAK HIGHEST POINT CAIRN </td><td>APPROX.70.5 KM</td><td>130° 09' 42.8"</td></tr><tr><td>CD6911</td><td>BLUE RM 2 </td><td> 19.850 METERS</td><td>164° 39' </td></tr><tr><td>MW0798</td><td>MANZANITA FIRE LOOKOUT TOWER </td><td>APPROX.61.6 KM</td><td>175° 06' 01.9"</td></tr><tr><td>MW0855</td><td>HAPPY CAMP LOOKOUT HOUSE </td><td>APPROX.50.4 KM</td><td>204° 04' 21.9"</td></tr><tr><td>MW0819</td><td>BLUE MOUNTAIN FIRE LOT 1931 </td><td> 24.080 METERS</td><td>308° 42' </td></tr><tr><td>NY0817</td><td>STRAWBERRY LOOKOUT </td><td>APPROX.29.2 KM</td><td>358° 59' 14.1"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 49 48.15001(N) 120 51 48.63041(W) AD(1984.00) 1 <br> <b> NAD 83(1986)</b> 41 49 48.15133(N) 120 51 48.62830(W) AD(1984.00) 1 <br> <b> NAD 27 </b> 41 49 48.55700(N) 120 51 44.75000(W) AD( ) 1 <br> NGVD 29 (07/19/86) 1749.58 (m) 5740.1 (f) LEVELING 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM7741433113(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1931 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1948 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1931 (JB) ABOUT 30 MILES NORTH-NORTHWEST OF ALTURAS, ON SMALL TIMBERED HILL KNOWN AS BLUE MOUNTAIN. TO REACH FROM POST OFFICE IN ALTURAS, GO WEST 4.7 MILES ON ADIN ROAD AND TURN RIGHT OFF MAIN ROAD, FOLLOW ROAD 1.4 MILES AND TAKE RIGHT FORK, GO 4.7 MILES AND TAKE RIGHT FORK, GO 1.3 MILES AND TAKE LEFT FORK, GO 0.6 MILE AND TAKE LEFT FORK, GO 1.4 MILES AND TAKE LEFT FORK, GO 0.7 MILE AND TURN RIGHT AT T-INTERSECTION, GO 0.8 MILE AND TAKE RIGHT FORK, GO 7.2 MILES AND TAKE RIGHT FORK, GO 1.2 MILES AND TAKE LEFT FORK, GO 5.3 MILES AND TAKE RIGHT FORK, GO 4.4 MILES AND TAKE RIGHT FORK, GO 5.5 MILES AND TAKE LEFT FORK TO BLUE MOUNTAIN (SIGN ON TREE), GO 6.1 MILES AND TAKE LEFT FORK, AND GO 1.2 MILES TO FIRE LOOKOUT TOWER AND STATION SITE. MARKED BY STANDARD STATION DISK IN BEDROCK, NOTE 2. REFERENCE MARK NO. 1 IS STANDARD REFERENCE DISK IN BOULDER, NOTE 12C, 32.88 METERS (107.9 FEET) FROM STATION IN AZIMUTH 251 DEG 33 MIN. REFERENCE MARK NO. 2 IS STANDARD REFERENCE DISK IN BEDROCK, NOTE 12A, 19.85 METERS (65.1 FEET) FROM STATION IN AZIMUTH 344 DEG 39 MIN. BLUE MOUNTAIN, FIRE LOOKOUT TOWER, SPIKE ON TOP, IS 24.08 METERS (79.0 FEET) FROM STATION IN AZIMUTH 128 DEG 42 MIN. AZIMUTH FROM STATION TO SUGAR HILL, FIRE LOOKOUT TOWER IS 273 DEG 32 MIN 12 SEC. <p> <h2>STATION RECOVERY (1948) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION WAS FOUND AS DESCRIBED AND ALL MARKS ARE IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. <p>THE STATION IS ABOUT 30 MILES NORTH NORTHWEST OF ALTURAS, ON THE WEST EDGE OF A SMALL TIMBERED HILL KNOWN AS BLUE MOUNTAIN. <p>THE STATION MARK, STAMPED BLUE 1931, IS SET IN BEDROCK, NOTE 2 AND PROJECTS 6 INCHES. IT IS 79.0 FEET SOUTHEAST OF BLUE MOUNTAIN LOOKOUT TOWER. <p>REFERENCE MARK NUMBER 1, STAMPED BLUE NO 1 1931, IS SET IN A BOULDER, NOTE 12C, PROJECTS 6 INCHES AND IS 2 FEET LOWER THAN THE STATION. IT IS ABOUT 50 FEET SOUTH OF THE CENTERLINE OF THE LOOKOUT ROAD. <p>REFERENCE MARK NUMBER 2, STAMPED BLUE NO 2 1931, IS SET IN BEDROCK, NOTE 12A, IS SET IN A BEDROCK OUTCROP, PROJECTS 3 FEET AND IS 18 INCHES HIGHER THAN THE STATION. IT IS 13 FEET WEST OF THE SOUTHWEST CORNER OF WHITE FENCE. <p>BLUE AZ WILL SERVE AS THE AZIMUTH MARK. <p>BLUE MOUNTAIN LOOKOUT TOWER IS ABOUT 35 FEET HIGH WITH A WOOD BUILDING AND A STEEL UNDERSTRUCTURE. THE CABIN IS ABOUT 12 FEET SQUARE AND HAS A SPIKE ON TOP. <p>TO REACH THE STATION FROM THE U.S. POST OFFICE IN ALTURAS, GO NORTH ON U.S. HIGHWAY 395 FOR 0.8 MILE. TURN LEFT, WEST, ON U.S. HIGHWAY 299 AND GO 3.5 MILES. TAKE RIGHT FORK, GRAVEL ROAD, AS PER SIGN CROWDER FLAT 33 AND GO 1.9 MILES. TAKE RIGHT FORK AND GO 7.2 MILES. TAKE RIGHT FORK AND GO 0.8 MILE. TAKE RIGHT FORK AND GO 3.7 MILES. TAKE LEFT FORK AND GO 1.9 MILES. TAKE LEFT FORK AND GO 13.0 MILES. TAKE LEFT FORK AS PER SIGN BLUE MTN. LOOKOUT AND GO 5.6 MILES. TURN LEFT 100 YARDS. TAKE RIGHT FORK AND GO 1.3 MILES TO THE LOOKOUT TOWER AND STATION. <p>NOTE-- <p>THE AZIMUTH FROM THE STATION TO R.M. 2 WAS 244 39 IN THE 1931 DESCRIPTION BUT WAS CHECKED IN THE FIELD AND FOUND TO BE 344 39. MW0820BLUE AZ MKhttp://www.geocaching.com/mark/details.asp?PID=MW0820BLUE AZ MKGeocacheGeocacheBLUE AZ MKCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BLUE AZ MK</h1> <b> PID </b> MW0820 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> HAGER BASIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 49 44.10148(N) 120 51 06.91224(W) ADJUSTED <br> <b> NAVD 88 </b> 1753.8 (meters) 5754. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 3.32 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.01 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 777,744.294 2</td><td>095,375.244</td><td> MT </td><td>1.00004526</td><td> +0 ' 45 02.6"</td></tr><tr><td>SPC CA 1 </td><td>2,551,649.40 6</td><td>874,576.95 </td><td> sFT </td><td>1.00004526</td><td> +0 ' 45 02.6"</td></tr><tr><td>UTM 10 </td><td>4,633,011.942 </td><td>678,379.287</td><td> MT </td><td>0.99999156</td><td> +1 ' 25 58.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99972846 x 1.00004526 = 0.99977370 <br> <b>UTM 10 </b> 0.99972846 x 0.99999156 = 0.99972002 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BLUE </td><td>276° 37' 59.4"</td></tr><tr><td>UTM 10 </td><td> BLUE </td><td>275° 57' 03.4"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6908</td><td>BLUE AZIMUTH RM 1 </td><td> 7.704 METERS</td><td>171° 57' </td></tr><tr><td>CD6909</td><td>BLUE AZIMUTH RM 2 </td><td> 5.522 METERS</td><td>261° 01' </td></tr><tr><td>MW0818</td><td>BLUE </td><td>APPROX. 1.0 KM</td><td>277° 23' 02.0"</td></tr><tr><td>MW0821</td><td>BLUE MOUNTAIN LO TREE 1948 </td><td> 21.500 METERS</td><td>286° 05' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 49 44.10836(N) 120 51 06.90866(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 49 44.10975(N) 120 51 06.90780(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 49 44.51500(N) 120 51 03.03100(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1752.6 (m) 5750. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM7837933012(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS ON THE EAST EDGE OF BLUE MOUNTAIN, 30 MILES NORTH NORTHWEST OF ALTURAS. IT IS ON A LARGE ROCK OUTCROPPING 70 FEET SOUTHEAST OF A TREE TOP LOOKOUT. <p>THE STATION MARK, STAMPED BLUE AZ 1948, IS SET IN A LARGE BOULDER PROJECTING ABOUT 2 FEET. <p>REFERENCE MARK NUMBER 1, STAMPED BLUE AZ NO 1 1948, IS SET IN A BOULDER PROJECTING ABOUT 3 INCHES AND 2-1/2 FEET LOWER THAN THE STATION. <p>REFERENCE MARK NUMBER 2, STAMPED BLUE AZ NO 2 1948, IS SET IN A BOULDER PROJECTING ABOUT 2 FEET AND THE SAME ELEVATION AS THE STATION. <p>LOOKOUT TREE IS ABOUT 40 FEET HIGH AND HAS A PLATFORM BUILT ON TOP. THE BASE IS ABOUT THE SAME ELEVATION AS THE STATION. <p>STATION BLUE 1931 WILL SERVE AS THE AZIMUTH MARK. SEE DESCRIPTION FOR BLUE 1931. <p>TO REACH THE STATION FROM THE U.S. POST OFFICE IN ALTURAS, GO 0.8 MILE NORTH ON MAIN STREET. TURN LEFT ON U.S. HIGHWAY 299 AND GO 3.5 MILES. TURN RIGHT ON THE BLUE MTN. ROAD AND GO 2.0 MILES. TURN RIGHT AND CONTINUE FOR 7.0 MILES. TURN RIGHT AND GO 0.8 MILE. TURN RIGHT AND GO 3.7 MILES. TURN LEFT AND GO 1.9 MILES. TURN LEFT AND GO 13.0 MILES. TURN LEFT AS PER SIGN BLUE MTN. LOOKOUT AND GO 5.6 MILES. TURN LEFT FOR 100 YARDS, TAKE RIGHT FORK AND GO 1.25 MILES. TURN LEFT ON DIM ROAD AND GO 0.55 MILE TO STATION ON THE RIGHT. MW0819BLUE MOUNTAIN FIRE LOT 1931http://www.geocaching.com/mark/details.asp?PID=MW0819BLUE MOUNTAIN FIRE LOT 1931GeocacheGeocacheBLUE MOUNTAIN FIRE LOT 1931CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BLUE MOUNTAIN FIRE LOT 1931</h1> <b> PID </b> MW0819 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> HAGER BASIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 49 48.63083(N) 120 51 49.44554(W) ADJUSTED <br> <b> NAVD 88 </b> 1751. (meters) 5745. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.18 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.02 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was scaled from a topographic map. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 777,871.238 2</td><td>094,391.988</td><td> MT </td><td>1.00004564</td><td> +0 ' 44 34.7"</td></tr><tr><td>SPC CA 1 </td><td>2,552,065.89 6</td><td>871,351.05 </td><td> sFT </td><td>1.00004564</td><td> +0 ' 44 34.7"</td></tr><tr><td>UTM 10 </td><td>4,633,127.164 </td><td>677,394.644</td><td> MT </td><td>0.99998725</td><td> +1 ' 25 30.4"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99972887 x 1.00004564 = 0.99977449 <br> <b>UTM 10 </b> 0.99972887 x 0.99998725 = 0.99971612 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 49 48.63801(N) 120 51 49.44482(W) AD(1984.00) 4 <br> <b> NAD 83(1986)</b> 41 49 48.63933(N) 120 51 49.44270(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 41 49 49.04000(N) 120 51 45.56000(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM7739533127(NAD 83) <br>MARKER: 57 = LOOKOUT TOWER <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1931 </td><td>FIRST OBSERVED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1931 RECOVERED AS DESCRIBED. MW0821BLUE MOUNTAIN LO TREE 1948http://www.geocaching.com/mark/details.asp?PID=MW0821BLUE MOUNTAIN LO TREE 1948GeocacheGeocacheBLUE MOUNTAIN LO TREE 1948CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BLUE MOUNTAIN LO TREE 1948</h1> <b> PID </b> MW0821 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> HAGER BASIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 49 44.29452(N) 120 51 07.80750(W) ADJUSTED <br> <b> NAVD 88 </b> 1754. (meters) 5755. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 3.33 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.01 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was scaled from a topographic map. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 777,749.979 2</td><td>095,354.509</td><td> MT </td><td>1.00004528</td><td> +0 ' 45 02.0"</td></tr><tr><td>SPC CA 1 </td><td>2,551,668.06 6</td><td>874,508.92 </td><td> sFT </td><td>1.00004528</td><td> +0 ' 45 02.0"</td></tr><tr><td>UTM 10 </td><td>4,633,017.379 </td><td>678,358.486</td><td> MT </td><td>0.99999147</td><td> +1 ' 25 58.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99972839 x 1.00004528 = 0.99977366 <br> <b>UTM 10 </b> 0.99972839 x 0.99999147 = 0.99971986 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 49 44.30140(N) 120 51 07.80392(W) AD(1984.00) 4 <br> <b> NAD 83(1986)</b> 41 49 44.30279(N) 120 51 07.80306(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 41 49 44.70800(N) 120 51 03.92600(W) AD( ) 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM7835833017(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 LOOKOUT TREE IS ABOUT 40 FEET HIGH AND HAS A PLATFORM BUILT ON TOP. MW0017BM SPCOhttp://www.geocaching.com/mark/details.asp?PID=MW0017BM SPCOGeocacheGeocacheBM SPCOSPRRUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BM SPCO</h1> <b> PID </b> MW0017 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> LAUER RESERVOIR (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 37 40. (N) 120 25 06. (W) SCALED <br> <b> NAVD 88 </b> 1421.38 (+/-2cm) 4663.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -21.59 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> ? (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 755,970. </td><td> 2,131,800. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1420.269 (m) 4659.67 (f) ADJUSTED ? <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM150116(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>SPRR</td></tr><tr><td>1932 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1935 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1932 12.8 MI N FROM ALTURAS. 12.8 MILES NORTH ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE STATION AT ALTURAS, MODOC COUNTY, AT MILEAGE 470.6, NEAR THE BEGINNING OF A CURVE, SOUTH OF A ROAD CROSSING, 15 FEET EAST OF THE TRACK, AND IN A JUNIPER TREE. A TRACK SPIKE. <p> <h2>STATION RECOVERY (1935) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1935 MARK NOT FOUND. MW0831BOLEShttp://www.geocaching.com/mark/details.asp?PID=MW0831BOLESGeocacheGeocacheBOLESCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BOLES</h1> <b> PID </b> MW0831 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> KNOBCONE BUTTE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1994)</b> 41 30 46.34816(N) 121 02 36.67809(W) ADJUSTED <br> <b> NAVD 88 </b> 1496.1 (meters) 4908. (feet) VERTCON <br> <hr> <b> LAPLACE CORR</b> 2.50 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.56 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1998. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 742,453.283 2</td><td>079,842.041</td><td> MT </td><td>0.99996457</td><td> +0 ' 37 31.5"</td></tr><tr><td>SPC CA 1 </td><td>2,435,865.48 6</td><td>823,615.10 </td><td> sFT </td><td>0.99996457</td><td> +0 ' 37 31.5"</td></tr><tr><td>UTM 10 </td><td>4,597,541.444 </td><td>663,264.670</td><td> MT </td><td>0.99992804</td><td> +1 ' 17 49.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99976893 x 0.99996457 = 0.99973350 <br> <b>UTM 10 </b> 0.99976893 x 0.99992804 = 0.99969698 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BOLES AZ MK </td><td>282° 48' 54.9"</td></tr><tr><td>UTM 10 </td><td> BOLES AZ MK </td><td>282° 08' 37.1"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6935</td><td>BOLES RM 1 </td><td> 6.480 METERS</td><td>121° 39' </td></tr><tr><td>CD6936</td><td>BOLES RM 2 </td><td> 10.691 METERS</td><td>202° 33' </td></tr><tr><td>MW0855</td><td>HAPPY CAMP LOOKOUT HOUSE </td><td>APPROX.12.1 KM</td><td>206° 59' 42.2"</td></tr><tr><td>CD6934</td><td>BOLES AZ MK </td><td> </td><td>283° 26' 26.4"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1992)</b> 41 30 46.34816(N) 121 02 36.67809(W) AD(1991.35) 3 <br> <b> NAD 83(1986)</b> 41 30 46.35686(N) 121 02 36.67950(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 30 46.76100(N) 121 02 32.78000(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1495.0 (m) 4905. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL6326597541(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS LOCATED ABOUT 44 MILES SOUTHEAST OF THE TOWN OF TULELAKE, 11 MILES NORTHWEST OF CANBY, ON THE RIGHT SIDE OF STATE HIGHWAY 139. <p>THE STATION MARK, STAMPED BOLES 1947, IS SET IN OUTCROPPING BEDROCK THAT PROJECTS 3 INCHES. IT IS 83 FEET NORTHWEST OF THE CENTERLINE OF STATE HIGHWAY 139. <p>REFERENCE MARK NUMBER 1, STAMPED BOLES NO 1 1947, IS SET IN OUTCROPPING BEDROCK THAT PROJECTS 6 INCHES AND IS 18 INCHES HIGHER THAN THE STATION. <p>REFERENCE MARK NUMBER 2, STAMPED BOLES NO 2 1947, IS SET IN OUTCROPPING BEDROCK THAT PROJECTS 3 INCHES AND IS 12 INCHES HIGHER THAN THE STATION. <p>THE AZIMUTH MARK, STAMPED Y601 1940, IS A STANDARD USC AND GS BM DISK SET IN A CONCRETE POST PROJECTING 12 INCHES. IT IS 66.0 FEET WEST OF THE CENTER OF A T INTERSECTION, 53.6 FEET NORTHWEST OF THE CENTERLINE OF STATE HIGHWAY 139 AND 1.3 FEET EAST OF A WITNESS POST. TO REACH FROM THE STATION, GO WEST NORTHWEST ON STATE HIGHWAY 139 FOR 0.4 MILE TO THE AZIMUTH MARK ON THE RIGHT. <p>TO REACH THE STATION FROM THE TOWN OF CANBY, GO WEST ON U.S. HIGHWAY 299 FOR 0.6 MILE. TURN RIGHT ON STATE HIGHWAY 139 AND GO 11.0 MILES TO THE STATION ON THE RIGHT. MW0733BOWERhttp://www.geocaching.com/mark/details.asp?PID=MW0733BOWERGeocacheGeocacheBOWERCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>BOWER</h1> <b> PID </b> MW0733 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> LAUER RESERVOIR (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 37 47.46240(N) 120 28 15.13179(W) ADJUSTED <br> <b> NAVD 88 </b> 1639.3 (meters) 5378. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.46 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.70 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 756,120.953 2</td><td>127,413.503</td><td> MT </td><td>0.99999086</td><td> +0 ' 59 59.5"</td></tr><tr><td>SPC CA 1 </td><td>2,480,706.83 6</td><td>979,689.13 </td><td> sFT </td><td>0.99999086</td><td> +0 ' 59 59.5"</td></tr><tr><td>UTM 10 </td><td>4,611,770.271 </td><td>710,674.159</td><td> MT </td><td>1.00014621</td><td> +1 ' 40 50.7"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99974634 x 0.99999086 = 0.99973720 <br> <b>UTM 10 </b> 0.99974634 x 1.00014621 = 0.99989251 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> BOWER AZ MK </td><td>155° 00' 21.6"</td></tr><tr><td>UTM 10 </td><td> BOWER AZ MK </td><td>154° 19' 30.4"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6958</td><td>BOWER RM 1 </td><td> 3.979 METERS</td><td>078° 21' </td></tr><tr><td>CD6957</td><td>BOWER AZ MK </td><td> </td><td>156° 00' 21.1"</td></tr><tr><td>CD6959</td><td>BOWER RM 2 </td><td> 4.025 METERS</td><td>201° 08' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 37 47.46936(N) 120 28 15.12967(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 37 47.86300(N) 120 28 11.29400(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1638.2 (m) 5375. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM1067411770(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) THE STATION IS ON THE SUMMIT OF ROUND MOUNTAIN, ABOUT 10-1/2 MILES NORTH NORTHEAST OF ALTURAS, 9 MILES SOUTH SOUTHWEST OF DAVIS CREEK, AND 4 MILES WEST OF THE RAKER AND THOMAS RESERVOIRS. <p>THE STATION MARK, STAMPED BOWER 1947, IS A STANDARD DISK SET IN A BEDROCK OUTCROP, 3 FEET IN DIAMETER, PROTRUDING 5 INCHES ABOVE THE GROUND. IT IS ON THE EAST EDGE OF THE BROAD SUMMIT, ABOUT 100 METERS SOUTH OF A RIM ABOUT 25 FEET IN HEIGHT, AND 6 METERS NORTH OF ANOTHER RIM ABOUT 2-1/2 FEET HIGH. <p>REFERENCE MARK NO. 1, STAMPED BOWER NO 1 1947, IS A STANDARD DISK SET IN A BEDROCK OUTCROP, 2 FEET BY 3 FEET, PROTRUDING 2 INCHES ABOVE THE GROUND. IT IS 5 METERS NORTH OF THE LOW RIM. <p>REFERENCE MARK NO. 2, STAMPED BOWER NO 2 1947, IS A STANDARD DISK SET IN BEDROCK FLUSH WITH THE SURFACE OF THE LOW RIM. IT IS 2 FEET WEST OF A LEDGE AND 3 FEET NORTH OF THE EDGE OF THE RIM. <p>THE AZIMUTH MARK, STAMPED BOWER 1947, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 6 INCHES ABOVE THE GROUND. IT IS IN THE NORTHWEST PORTION OF A LARGE OPEN AREA, ABOUT 0.3 MILE NORTHEAST OF A SMALL RESERVOIR ON THE SOUTH SIDE OF THE MOUNTAIN, 50 METERS SOUTHEAST OF A LARGE JUNIPER TREE IN THE OPENING, AND 2 FEET SOUTH OF A 1 FOOT CAIRN. TO REACH FROM THE RESERVOIR AT THE SOUTH SIDE OF THE MOUNTAIN GO NORTHEAST ON THE ROAD TO THE STATION FOR 0.2 MILE. THENCE TURN RIGHT, EAST, AND CONTINUE ACROSS COUNTRY 0.15 MILE TO THE MARK. <p>TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAYS 395 AND 299 ON THE NORTH SIDE OF ALTURAS GO EAST ON HIGHWAY 395, TOWARDS LAKEVIEW, FOR 1.4 MILES TO AN INTERSECTION. TURN LEFT, NORTH, AND CONTINUE ON GRAVELED ROAD FOR 2.0 MILES TO A TRACK ROAD ON RIGHT AT FENCE CORNER AND JUST AFTER PASSING RANCH BUILDINGS ON LEFT. TURN RIGHT AND CONTINUE ON TRACK ROAD FOR 2.0 MILES TO A FORK. TAKE THE LEFT FORK AND CONTINUE 1.9 MILES TO A FORK. TAKE THE RIGHT FORK AND CONTINUE 0.9 MILE TO A FORK. TAKE THE LEFT FORK AND CONTINUE 2.5 MILES TO A FORK. TAKE THE RIGHT FORK FOR 0.1 MILE. TAKE THE LEFT FORK LEADING FROM THE NORTHEAST SIDE OF THE RESERVOIR AND CONTINUE 0.2 MILE TO THE TURN OFF TO THE AZIMUTH MARK (SEE ABOVE). CONTINUE ON THE ROAD, NORTHERLY, 0.8 MILE TO A DIM FORK ON LEFT. TURN LEFT AND CONTINUE ON OLD WAGON ROAD WESTERLY AND NORTHERLY FOR 0.6 MILE TO ITS END AND THE VICINITY OF THE STATION. MW0953C 136 RESEThttp://www.geocaching.com/mark/details.asp?PID=MW0953C 136 RESETGeocacheGeocacheC 136 RESETCADTNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 136 RESET</h1> <b> PID </b> MW0953 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ADIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 11 24. (N) 120 56 37. (W) SCALED <br> <b> NAVD 88 </b> 1283.56 (meters) 4211.1 (feet) RESET <br> <hr> <b> GEOID HEIGHT</b> -22.81 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was computed from unverified reset data. No vertical observational check was made to the station. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 706,700. </td><td> 2,088,610. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (08/19/04) 1282.52 (m) 4207.7 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL724618(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 35 = SET IN A MAT FOUNDATION OR CONCRETE SLAB OTHER THAN <br>WITH SETTING: PAVEMENT <br>SP_SET: BRIDGE DECK <br>STAMPING: C 136 RESET 1983 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1989 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1989 IN ADIN, ON U.S. HIGHWAY 299 AT THE BUTTE CREEK BRIDGE NO. 3-01 IN THE SOUTHEAST CORNER OF THE DECK, 2 FEET (0.6 M) NORTH OF SOUTH END OF BRIDGE, 6 INCHES WEST OF RAIL AND LEVEL WITH THE DECK. MW0181C 137http://www.geocaching.com/mark/details.asp?PID=MW0181C 137GeocacheGeocacheC 137CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 137</h1> <b> PID </b> MW0181 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 29 50. (N) 120 35 47. (W) SCALED <br> <b> NAVD 88 </b> 1327.181 (meters) 4354.26 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.09 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1326.265 (meters) 4351.25 (feet) COMP <br> <b> MODELED GRAV</b> 979,886.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 741,220. </td><td> 2,117,190. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1326.102 (m) 4350.72 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL006967(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE CURB <br>STAMPING: C 137 1932 4350.733 <br>MARK LOGO: CGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1932 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19800225</td><td>GOOD </td><td>CADT</td></tr><tr><td>19870130</td><td>MARK NOT FOUND </td><td>USGS</td></tr><tr><td>19870130</td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 1.7 MI W FROM ALTURAS. 1.7 MILES WEST ALONG U.S. HIGHWAY 299 FROM THE WEST CITY LIMITS AT ALTURAS, MODOC COUNTY, AT THE BRIDGE OVER RATTLESNAKE CREEK, IN THE TOP OF THE SOUTH CURB, AND 22 INCHES EAST OF A POINT DIRECTLY OVER THE EAST FACE OF THE WEST ABUTMENT. A STANDARD DISK, STAMPED 4350.733 C 137 1932. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY CALTRANS 1980 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1987 (JS) MARK NOT FOUND. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (JS) MARK NOT FOUND. MW0955C 137 RESEThttp://www.geocaching.com/mark/details.asp?PID=MW0955C 137 RESETGeocacheGeocacheC 137 RESETCADTNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 137 RESET</h1> <b> PID </b> MW0955 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 29 50. (N) 120 35 47. (W) SCALED <br> <b> NAVD 88 </b> 1326.65 (+/-2cm) 4352.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -22.09 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 741,220. </td><td> 2,117,190. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (08/19/04) 1325.57 (m) 4349.0 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL006967(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 37 = SET IN A MASSIVE RETAINING WALL <br>SP_SET: PARAPET WALL <br>STAMPING: C 137 RESET 1979 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - September 10, 2003 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1980 </td><td>MONUMENTED </td><td>CADT</td></tr><tr><td>20030910</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1980 1.6 MILES (2.6 KM) WEST ALONG HIGHWAY 299 FROM THE WEST CITY LIMITS OF ALTURAS, 0.1 MILE (0.2 KM) EAST OF RATTLESNAKE CREEK, IN THE TOP OF THE NORTHEAST PARAPET OF A 6 FOOT (1.8 M) BY 8 FOOT (2.4 M) CONCRETE BOX UNDER THE HIGHWAY, 23 FEET (7.0 M) NORTHEAST OF THE CENTER LINE OF THE HIGHWAY AND 2 FEET (0.6 M) LOWER. <p> <h2>STATION RECOVERY (2003) </h2> <p>RECOVERY NOTE BY CALTRANS 2003 (JRL) MW0083C 181http://www.geocaching.com/mark/details.asp?PID=MW0083C 181GeocacheGeocacheC 181CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 181</h1> <b> PID </b> MW0083 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> HANSEN ISLAND (1963) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 22 41. (N) 120 07 29. (W) SCALED <br> <b> NAVD 88 </b> 1408.705 (meters) 4621.73 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -21.66 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1407.677 (meters) 4618.35 (feet) COMP <br> <b> MODELED GRAV</b> 979,844.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 728,720. </td><td> 2,156,850. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1407.597 (m) 4618.09 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL404847(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: C 181 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1963 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 4.6 MI N FROM EAGLEVILLE. 4.6 MILES NORTH ALONG THE CEDARVILLE ROAD FROM THE GRAMMAR SCHOOL AT EAGLEVILLE, MODOC COUNTY, 0.3 MILE SOUTH OF OWL CREEK DISTRICT SCHOOL, 180 FEET SOUTH OF A CONCRETE HIGHWAY DIP OVER OWL CREEK, 38 FEET EAST OF THE CENTERLINE OF THE ROAD, AND IN THE FENCE LINE. A STANDARD DISK, STAMPED C 181 1934 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1963) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1963 MARK NOT FOUND. MW0250C 280http://www.geocaching.com/mark/details.asp?PID=MW0250C 280GeocacheGeocacheC 280CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 280</h1> <b> PID </b> MW0250 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 51 43. (N) 121 20 13. (W) SCALED <br> <b> NAVD 88 </b> 1231.479 (meters) 4040.28 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.68 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1230.698 (meters) 4037.72 (feet) COMP <br> <b> MODELED GRAV</b> 979,945.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 781,000. </td><td> 2,055,060. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1230.402 (m) 4036.74 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM380357(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: C 280 1935 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1940 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1940 4.2 MI SE FROM STRONGHOLD. 4.2 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE FLAG STATION AT STRONGHOLD, MODOC COUNTY, OPPOSITE MILEPOST 520, IN A CLUMP OF TUMBLEWEEDS, 96 FEET NORTH OF THE CENTERLINE OF THE TRACK, AND AT A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED C 280 1935 AND SET IN THE TOP OF A CONCRETE POST. MW0298C 505http://www.geocaching.com/mark/details.asp?PID=MW0298C 505GeocacheGeocacheC 505CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 505</h1> <b> PID </b> MW0298 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CRANK MOUNTAIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 29 31. (N) 121 09 22. (W) SCALED <br> <b> NAVD 88 </b> 1424.333 (meters) 4673.00 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.73 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1423.334 (meters) 4669.72 (feet) COMP <br> <b> MODELED GRAV</b> 979,871.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 740,030. </td><td> 2,070,470. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1423.245 (m) 4669.43 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL539950(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>STAMPING: C 505 1954 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 6.9 MI S FROM HACKAMORE. 2.2 MILES SOUTH ALONG A GRADED ROAD FROM THE WATER TOWER AT HACKAMORE, THENCE 1.6 MILES WEST ALONG STATE HIGHWAY 139, THENCE 3.1 MILES SOUTH ALONG LOOKOUT ROAD, 0.4 MILES SOUTH OF THE T JUNCTION OF A ROAD LEADING WEST TO UPPER MUD LAKE, 0.3 MILE NORTH OF A CATTLE GUARD ACROSS THE ROAD, ON THE NORTWEST EDGE OF A SMALL GRASS CLEARING, IN THE TOP OF THE APPROXIMATE CENTER OF A 5- BY 5-FOOT BOULDER PROJECTING 2 FEET ABOVE THE GROUND, 108 1/2 FEET EAST OF THE CENTER LINE OF THE ROAD, 11 1/2 FEET NORTHWEST OF THE APPROXIMATE CENTER OF A SMALL ROCKY WASH, AND ABOUT LEVEL WITH ROAD. MW0363C 506http://www.geocaching.com/mark/details.asp?PID=MW0363C 506GeocacheGeocacheC 506CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 506</h1> <b> PID </b> MW0363 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WHITE HORSE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 18 52. (N) 121 23 58. (W) SCALED <br> <b> NAVD 88 </b> 1343.605 (meters) 4408.14 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -23.38 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1342.668 (meters) 4405.07 (feet) COMP <br> <b> MODELED GRAV</b> 979,879.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 720,150. </td><td> 2,050,280. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1342.536 (m) 4404.64 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL339749(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: C 506 1954 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>19860430</td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 0.4 MI NW FROM WHITE HORSE. 0.4 MILE NORTHWEST ALONG A GRADED ROAD FROM THE WATER TANK AT WHITE HORSE, IN THE CROTCH OF THE Y FORMED BY THE JUNCTION OF A GRADED ROAD LEADING NORTHWEST, 89 1/2 FEET NORTH OF THE NORTH ONE OF A GROUP OF PINE TREES IN THE Y, 54 FEET WEST OF THE CENTER LINE OF THE GRADED ROAD, 29 1/2 FEET EAST OF THE CENTER LINE OF THE ROAD LEADING NORTHWEST, 2.9 FEET WEST OF A WITNESS POST, ABOUT 1 FOOT HIGHER THAN THE GRADED ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1986) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1986 (LML) RECOVERED IN GOOD CONDITION. MW0247C 602http://www.geocaching.com/mark/details.asp?PID=MW0247C 602GeocacheGeocacheC 602CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 602</h1> <b> PID </b> MW0247 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 49 45. (N) 121 18 21. (W) SCALED <br> <b> NAVD 88 </b> 1250.957 (meters) 4104.18 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1250.162 (meters) 4101.57 (feet) COMP <br> <b> MODELED GRAV</b> 979,943.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 777,380. </td><td> 2,057,670. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1249.884 (m) 4100.66 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM406321(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: CULVERT <br>STAMPING: C 602 1940 <br>MARK LOGO: CGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1981 </td><td>GOOD </td><td>BPA</td></tr><tr><td>19900321</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1940 7.2 MI SE FROM STRONGHOLD. 5.3 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE FLAG STATION AT STRONGHOLD, MODOC COUNTY, THENCE 1.9 MILES SOUTHEAST ALONG THE CANBY-KLAMATH FALLS HIGHWAY, IN THE TOP OF THE EAST END OF CONCRETE CULVERT 2066+90, 18 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, AND AT A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED C 602 1940. <p> <h2>STATION RECOVERY (1981) </h2> <p>RECOVERY NOTE BY BONNEVILLE POWER ADMINISTRATION 1981 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1990) </h2> <p>RECOVERY NOTE BY CALTRANS 1990 RECOVERED IN GOOD CONDITION. MW0958C 602 RESEThttp://www.geocaching.com/mark/details.asp?PID=MW0958C 602 RESETGeocacheGeocacheC 602 RESETCADTNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 602 RESET</h1> <b> PID </b> MW0958 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 49 41.13864(N) 121 18 21.63290(W) ADJUSTED <br> <b> NAVD 88 </b> 1251.21 (meters) 4105.0 (feet) RESET <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,473,685.372 (meters) COMP <br> <b> Y </b> -4,067,536.623 (meters) COMP <br> <b> Z </b> 4,232,214.525 (meters) COMP <br> <b> LAPLACE CORR</b> 4.64 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 1228.59 (meters) (03/06/03) GPS OBS <br> <b> GEOID HEIGHT</b> -22.62 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> VERT ORDER </b> THIRD <br> <b> ELLP ORDER </b> FOURTH CLASS II <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in March 2003. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was computed from unverified reset data. No vertical observational check was made to the station. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 777,256.363 2</td><td>057,654.157</td><td> MT </td><td>1.00004501</td><td> +0 ' 27 13.6"</td></tr><tr><td>SPC CA 1 </td><td>2,550,048.58 6</td><td>750,820.35 </td><td> sFT </td><td>1.00004501</td><td> +0 ' 27 13.6"</td></tr><tr><td>UTM 10 </td><td>4,632,077.040 </td><td>640,671.558</td><td> MT </td><td>0.99984351</td><td> +1 ' 07 47.7"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99980734 x 1.00004501 = 0.99985234 <br> <b>UTM 10 </b> 0.99980734 x 0.99984351 = 0.99965088 <br> <p> <h2>Superseded Survey Control</h2>
<p> NAVD 88 (03/06/03) 1251.21 (m) 4105.0 (f) LEVELING 3 <br>
NGVD 29 (08/19/04) 1250.13 (m) 4101.5 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM4067232077(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: C 602 RESET 1990 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - May 07, 1996 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1990 </td><td>MONUMENTED </td><td>CADT</td></tr><tr><td>19960507</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1990 6.1 MILES (9.8 KM) SOUTHEAST ALONG STATE HIGHWAY 139 FROM STRONGHOLD TO THE INTERSECTION WITH COUNTY ROAD 114, OLD ALTURAS HIGHWAY, THENCE CONTINUING SOUTHERLY ALONG STATE HIGHWAY 139 FOR 1.1 MILES, MARK IS 64 FEET (19.5 M) EASTERLY FROM CENTERLINE OF HIGHWAY, AND 2 FEET (0.6 M) WESTERLY FROM FENCE, FROM THE MARK, A ROCK JACK IN FENCE RUNNING ALONG THE EAST SIDE OF THE HIGHWAY BEARS N 82 DEG E, 341 FEET, AND A TELEPHONE POLE WITH BRACE BEARS N 70 DEG W, 113.5 FEET. <p> <h2>STATION RECOVERY (1996) </h2> <p>RECOVERY NOTE BY CALTRANS 1996 (JRL) THE STATION WAS RECOVERED. A COMPLETE NEW DESCRIPTION FOLLOWS. THE STATION IS LOCATED ON THE EAST SIDE OF STATE HIGHWAY 139, ABOUT 33 MI (53.1 KM) EAST-SOUTHEAST OF DORRIS AND 5 MI (8.0 KM) SOUTH-SOUTHEAST OF NEWELL. TO REACH THE STATION FROM THE INTERSECTION OF STATE HIGHWAY 139 AND COUNTY ROAD 176 (THE ROAD LEADING TO THE CALTRANS NEWELL MAINTENANCE STATION) , GO SOUTH ON HIGHWAY 139 FOR 2.3 MI (3.7 KM) TO COUNTY ROAD 140. CONTINUE SOUTH ON HIGHWAY 139 FOR 3.2 MI (5.1 KM) TO THE STATION ON THE LEFT AT POST MILE 39.35. THE STATION IS A VERTICAL CONTROL DISK SET IN TOP OF A 10-INCH DIAMETER CONCRETE POST, 145 FT (44.2 M) SOUTH OF AN ANGLE POINT IN THE EAST RIGHT OF WAY FENCE, 64.5 FT (19.7 M) EAST OF THE CENTER OF HIGHWAY 139, 3.0 FT (0.9 M) SOUTH OF A WHITE CARSONITE GUARD POST WITH AMBER REFLECTOR, AND 2.0 FT (0.6 M) WEST OF THE RIGHT OF WAY FENCE. THE STATION WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION SURVEY. <p>MW0121C 742http://www.geocaching.com/mark/details.asp?PID=MW0121C 742GeocacheGeocacheC 742CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>C 742</h1> <b> PID </b> MW0121 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 29 04.91239(N) 120 33 40.81983(W) ADJUSTED <br> <b> NAVD 88 </b> 1337.183 (meters) 4387.07 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,433,537.333 (meters) COMP <br> <b> Y </b> -4,121,231.151 (meters) COMP <br> <b> Z </b> 4,203,770.422 (meters) COMP <br> <b> LAPLACE CORR</b> 1.92 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 1315.13 (meters) (11/17/92) GPS OBS <br> <b> GEOID HEIGHT</b> -22.11 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1336.252 (meters) 4384.02 (feet) COMP <br> <b> MODELED GRAV</b> 979,880.8 (mgal) NAVD 88 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> FIRST CLASS II <br> <b> ELLP ORDER </b> FIFTH CLASS I <br> <p>This mark is at Alturas Municipal Airport (O00) <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 739,874.531 2</td><td>120,140.627</td><td> MT </td><td>0.99995887</td><td> +0 ' 56 26.6"</td></tr><tr><td>SPC CA 1 </td><td>2,427,405.02 6</td><td>955,828.04 </td><td> sFT </td><td>0.99995887</td><td> +0 ' 56 26.6"</td></tr><tr><td>UTM 10 </td><td>4,595,436.410 </td><td>703,592.960</td><td> MT </td><td>1.00011013</td><td> +1 ' 36 57.5"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99979376 x 0.99995887 = 0.99975264 <br> <b>UTM 10 </b> 0.99979376 x 1.00011013 = 0.99990387 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> ALTUPORT </td><td>230° 25' 49.5"</td></tr><tr><td>UTM 10 </td><td> ALTUPORT </td><td>229° 45' 18.6"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>MW0948</td><td>ALTUPORT </td><td>465.790 METERS</td><td>231° 22' 16.1"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1992)</b> 41 29 04.91240(N) 120 33 40.81981(W) AD(1991.35) 3 <br> <b> NAD 83(1992)</b> 41 29 04.92173(N) 120 33 40.81420(W) AD(1984.00) 3 <br> NAVD 88 (11/17/92) 1337.18 (m) 4387.1 (f) LEVELING 3 <br>
NGVD 29 (??/??/??) 1336.097 (m) 4383.51 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL0359395436(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: C 742 1944 <br>MARK LOGO: CGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - June 30, 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1944 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>19920630</td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1944 AT ALTURAS MUN AP NO 1. AT ALTURAS MUNICIPAL AIRPORT NO. 1, MODOC COUNTY, 632 FEET SOUTH-SOUTHEAST OF THE SOUTHEAST CORNER OF THE COMBINATION OFFICE BUILDING AND HANGAR, 267 FEET SOUTH-SOUTHEAST OF THE SOUTHEAST SIDE OF THE NORTHEAST-AND-SOUTHWEST (MAIN), DIRT RUNWAY, IN LINE WITH THE PROLONGATION TO THE SOUTH OF THE ONLY OILED TAXIWAY, 40 FEET WEST-SOUTHWEST OF THE WEST-SOUTHWEST SIDE OF A LITTLE-USED DIRT TAXIWAY, AND 2.5 FEET EAST OF A WHITE WOODEN WITNESS POST. AN IRON DISK, STAMPED C 742 1944 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 6 INCHES ABOVE GROUND. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 STATION IS LOCATED ON THE WEST SIDE OF ALTURAS, AT THE ALTURAS MUNICIPAL AIRPORT, IN THE NORTHEAST QUADRANT OF THE AIRPORT, AT THE FENCE AROUND THE WIND TEE AND WINDSOCK. OWNERSHIP--CITY OF ALTURAS, ALTURAS, CA 96101. AIRPORT MANAGER IS RICH CLOUGH, PHONE 916-233-5125. TO REACH FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 299 WEST AT THE NORTH END OF THE ALTURAS BUSINESS DISTRICT, GO SOUTH THROUGH TOWN ON HIGHWAY 395 FOR 0.79 KM (0.49 MI) TO A CROSS STREET AT THE BEST WESTERN MOTEL. TURN RIGHT, WEST, ON FOURTH STREET FOR 1.66 KM (1.03 MI) TO A CROSS STREET (SMITH STREET ON THE RIGHT). TURN LEFT, SOUTH, THROUGH OPEN GATE, ON AIRPORT ENTRANCE ROAD FOR 0.13 KM (0.08 MI) TO THE AIRPORT OFFICE ON THE RIGHT. BEAR SLIGHT LEFT, SOUTHEAST, ON APRON, THEN CONNECTOR, FOR 0.08 KM (0.05 MI) TO RUNWAY 3-21. CROSS RUNWAY, FOLLOW TRACK ROAD FOR 0.18 KM (0.11 MI) TO THE STATION ON THE EAST SIDE OF FENCED ENCLOSURE. STATION MARK IS SET IN THE TOP OF A 20-CM ROUND CONCRETE POST PROJECTING 10 CM IN LOW SAGEBRUSH. IT IS 0.5 M (1.6 FT) WEST-NORTHWEST OF A FIBERGLASS WITNESS POST, 0.8 M (2.6 FT) NORTHEAST OF A WOOD WITNESS POST, 23.9 M (78.4 FT) EAST OF THE NORTHEAST FENCE CORNER AROUND TEE AND SOCK, 24.1 M (79.1 FT) NORTHEAST OF THE SOUTHEAST CORNER AND 15.4 M (50.5 FT) EAST OF THE DRUMS FORMING THE SEGMENTED CIRCLE. MW0196C 93http://www.geocaching.com/mark/details.asp?PID=MW0196C 93GeocacheGeocacheC 93CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> FBN </b> This is a Federal Base Network Control Station. <br> <h1>C 93</h1> <b> PID </b> MW0196 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SURPRISE STATION (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1998)</b> 41 30 35.01394(N) 120 30 02.26638(W) ADJUSTED <br> <b> NAVD 88 </b> 1345.380 (meters) 4413.97 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1998.50 <br> <b> X </b> -2,428,237.344 (meters) COMP <br> <b> Y </b> -4,122,225.409 (meters) COMP <br> <b> Z </b> 4,205,858.291 (meters) COMP <br> <b> LAPLACE CORR</b> 3.98 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 1323.37 (meters) (04/06/00) GPS OBS <br> <b> GEOID HEIGHT</b> -22.00 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1344.436 (meters) 4410.87 (feet) COMP <br> <b> MODELED GRAV</b> 979,875.0 (mgal) NAVD 88 <br> <p> <b> HORZ ORDER </b> A <br> <b> VERT ORDER </b> FIRST CLASS II <br> <b> ELLP ORDER </b> THIRD CLASS I <br> <p>ITRF positions are available for this station. The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 2000. This is a SPECIAL STATUS position. See SPECIAL STATUS under the DATUM ITEM on the data sheet items page. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 742,738.732 2</td><td>125,162.331</td><td> MT </td><td>0.99996392</td><td> +0 ' 58 49.5"</td></tr><tr><td>SPC CA 1 </td><td>2,436,801.99 6</td><td>972,303.41 </td><td> sFT </td><td>0.99996392</td><td> +0 ' 58 49.5"</td></tr><tr><td>UTM 10 </td><td>4,598,360.125 </td><td>708,581.330</td><td> MT </td><td>1.00013543</td><td> +1 ' 39 25.4"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99979247 x 0.99996392 = 0.99975640 <br> <b>UTM 10 </b> 0.99979247 x 1.00013543 = 0.99992787 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> C 93 AZ MK </td><td>248° 11' 28.5"</td></tr><tr><td>UTM 10 </td><td> C 93 AZ MK </td><td>247° 30' 52.6"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6784</td><td>C 93 RM 1 </td><td> 34.839 METERS</td><td>099° 37' </td></tr><tr><td>CD6785</td><td>C 93 RM 2 </td><td> 23.550 METERS</td><td>194° 52' </td></tr><tr><td>MW0770</td><td>ALTURAS NORTH MUNICIPAL TANK </td><td>APPROX. 5.0 KM</td><td>233° 52' 22.7"</td></tr><tr><td>CD6783</td><td>C 93 AZ MK </td><td> </td><td>249° 10' 18.0"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> ELLIP H (11/17/92) 1323.44 (m) GP( ) 5 1 <br>
<b> NAD 83(1992)</b> 41 30 35.01126(N) 120 30 02.26333(W) AD(1991.35) B <br> ELLIP H (05/15/92) 1323.44 (m) GP(1991.35) 4 2 <br>
<b> NAD 83(1986)</b> 41 30 35.02423(N) 120 30 02.25578(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 30 35.41100(N) 120 29 58.42100(W) AD( ) 2 <br> NAVD 88 (05/15/92) 1345.38 (m) 4414.0 (f) LEVELING 3 <br>
NGVD 29 (??/??/??) 1344.276 (m) 4410.35 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL0858198360(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: C 93 1931 4410.382 <br>MARK LOGO: CGS <br>PROJECTION: FLUSH <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - May 13, 1999 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1968 </td><td>SEE DESCRIPTION </td><td>USAF</td></tr><tr><td>19910619</td><td>GOOD </td><td>NGS</td></tr><tr><td>19920504</td><td>GOOD </td><td>NGS</td></tr><tr><td>19970723</td><td>GOOD </td><td>CADT</td></tr><tr><td>19970929</td><td>GOOD </td><td>CADT</td></tr><tr><td>19980804</td><td>GOOD </td><td>NGS</td></tr><tr><td>19981211</td><td>GOOD </td><td>NGS</td></tr><tr><td>19990513</td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (SPH) STATION IS LOCATED ABOUT 2-1/2 MILES NORTHEAST OF ALTURAS, 2.4 MILES EAST OF THE JUNCTION OF HIGHWAYS 299 AND 395 IN ALTURAS, 44 FEET SOUTH OF THE SOUTH RAIL OF THE RAILROAD, 23.5 FEET NORTH OF THE LINE OF CENTER OF THE HIGHWAY, 5 TELEPHONE POLES WEST OF SIGN YARD LIMIT ONE MILE, AND ONE TELEPHONE POLE EAST ON MILEPOST 451. A STANDARD BENCH MARK DISK SET IN THE TOP OF A 10 INCH SQUARE CONCRETE POST WHICH PROJECTS 6 INCHES ABOVE THE GROUND, STAMPED C 93 1931 4410.382. <p>REFERENCE MARK NO. 1 IS SOUTHEAST OF THE STATION, 30 FEET SOUTH OF THE LINE OF CENTER OF THE HIGHWAY, 4 FEET WEST OF TELEPHONE POLE COPCO A1282, 1 FOOT NORTH OF A RIGHT-OF-WAY FENCE LINE, AND PROJECTS 1 INCH ABOVE THE SURFACE OF THE GROUND. STAMPED BM C 93 NO 1 1947. <p>REFERENCE MARK NO. 2 IS LOCATED SOUTHWEST OF THE STATION, 30 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, 1 FOOT NORTH OF A RIGHT-OF-WAY FENCE LINE, AND STAMPED BM C 93 NO 2 1947. <p>THE AZIMUTH MARK IS LOCATED 0.5 MILES WEST OF THE STATION, 35 METERS NORTH OF THE CENTERLINE OF THE HIGHWAY, 12 METERS NORTH OF THE RAILROAD TRACKS, 115 METERS NORTHEAST OF MILEPOST 460.50, 1 FOOT SOUTH OF A RIGHT-OF-WAY FENCE. A STANDARD DISK SET IN THE TOP OF A 10 INCH SQUARE CONCRETE POST SET FLUSH WITH THE GROUND, STAMPED BM C 93 1947. <p>TO REACH FROM ALTURAS GO EAST ON HIGHWAY 395 FOR 2.4 MILES FROM THE JUNCTION OF HIGHWAYS 299 AND 395 IN ALTURAS AND STATION SITE. <p> <h2>STATION RECOVERY (1935) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1935 3.1 MI NE FROM ALTURAS. 3.1 MILES NORTHEAST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE STATION AT ALTURAS, MODOC COUNTY, 129.5 FEET EAST OF MILEPOST 461, 47 FEET SOUTHEAST OF THE CENTERLINE OF THE TRACK, AND 1 FOOT NORTHWEST OF A FENCE LINE. A STANDARD DISK, STAMPED 4410.382 C 93 1931 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 8 INCHES ABOVE GROUND. <p> <h2>STATION RECOVERY (1968) </h2> <p>RECOVERY NOTE BY US AIR FORCE 1968 STATION AND THE AZIMUTH MARK WERE RECOVERED IN GOOD CONDITION AS DESCRIBED. DURING HIGHWAY CONSTRUCTION, BOTH THE REFERENCE MARKS WERE DESTROYED. THE ROUTE DESCRIPTION WAS ADEQUATE. <p> <h2>STATION RECOVERY (1991) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1991 THE STATION IS LOCATED ABOUT 2.5 MI (4.0 KM) NORTHEAST OF ALTURAS. TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 299, AT THE NORTH END OF ALTURAS, GO EAST ON HIGHWAYS 395 AND 299 FOR 2.4 MI (3.9 KM) TO A PAVED SIDE ROAD ON THE RIGHT AND THE STATION ON THE LEFT. CONTINUE EAST FOR 0.3 MI (0.5 KM) TO A SIDE ROAD LEFT. TURN LEFT AND GO NORTH FOR ABOUT 100 FT (30.5 M) TO THE RAILROAD TRACKS. TURN LEFT ON SOUTH SIDE OF TRACKS AND GO WEST FOR 0.3 MI (0.5 KM) ON DIM TRACK ROAD TO THE STATION ON THE LEFT. THE STATION IS A STANDARD CGS DISK SET IN THE TOP OF A 10 INCH SQUARE CONCRETE POST PROJECTING 0.5 FT (0.2 M) ABOVE THE GROUND. LOCATED 52.9 FT (16.1 M) NORTH OF THE CENTERLINE OF THE HIGHWAY, 44.0 FT (13.4 M) SOUTH OF THE SOUTH RAIL OF THE TRACKS AND 2.0 FT (0.6 M) SOUTH OF A FIBERGLASS WITNESS POST. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 STATION IS LOCATED ABOUT 4 KM (2.5 MI) NORTHEAST OF ALTURAS, IN A WEED STRIP BETWEEN HIGHWAYS 299, 395 AND A RAILROAD TRACK, AT A PAVED ROAD LEADING SOUTH. OWNERSHIP--SOUTHERN PACIFIC RAILROAD. TO REACH FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 299 WEST AT THE NORTH END OF THE ALTURAS BUSINESS DISTRICT, GO EAST AND NORTH ON HIGHWAYS 299 AND 395 FOR 3.94 KM (2.45 MI) TO A PAVED ROAD RIGHT, A SMALL LAKE ON THE RIGHT, AND THE STATION ON THE LEFT. (FOR SAFER PARKING, CONTINUE AHEAD FOR 0.44 KM (0.27 MI) TO A PAVED ROAD LEFT. TURN LEFT, THEN LEFT AGAIN ON TRACK ROAD AND RETURN TO STATION). STATION MARK IS SET IN THE TOP OF A 30-CM SQUARE CONCRETE POST PROJECTING 15 CM. IT IS 16.4 M (53.8 FT) NORTHWEST OF AND LEVEL WITH THE HIGHWAY CENTER, 13.5 M (44.3 FT) SOUTHEAST OF THE SOUTHEAST RAIL OF TRACK, 85 M (278.9 FT) NORTHEAST ALONG TRACK FROM RAILROAD MILEPOST 461, 0.7 M (2.3 FT) SOUTHEAST OF A FIBERGLASS WITNESS POST, 0.6 M (2.0 FT) NORTH-NORTHWEST OF A METAL WITNESS POST AND 3 M (9.8 FT) SOUTHWEST OF THE EXTENDED CENTER OF ROAD LEADING SOUTH. <p> <h2>STATION RECOVERY (1997) </h2> <p>RECOVERY NOTE BY CALTRANS 1997 (JRL) RECOVERED AS DESCRIBED. <p> <h2>STATION RECOVERY (1997) </h2> <p>RECOVERY NOTE BY CALTRANS 1997 (JRL) RECOVERED AS DESCRIBED. <p> <h2>STATION RECOVERY (1998) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (CSM) STATION IS LOCATED ABOUT 4 KM (2.50 MI) NORTHEAST OF ALTURAS, IN A WEED STRIP BETWEEN HIGHWAYS 299, 395 AND A RAILROAD TRACK, AT A PAVED ROAD LEADING SOUTH. OWNERSHIP--SOUTHERN PACIFIC RAILROAD. TO REACH FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 299 WEST AT THE NORTH END OF THE ALTURAS BUSINESS DISTRICT, GO EAST AND NORTH ON HIGHWAYS 299 AND 395 FOR 3.94 KM (2.45 MI) TO A PAVED ROAD RIGHT, A SMALL LAKE ON THE RIGHT, AND THE STATION ON THE LEFT. (FOR SAFER PARKING, CONTINUE AHEAD FOR 0.44 KM (0.25 MI) TO A PAVED ROAD LEFT. TURN LEFT, THEN LEFT AGAIN ON TRACK ROAD AND RETURN TO STATION). STATION MARK IS SET IN THE TOP OF A 30-CM SQUARE CONCRETE POST PROJECTING 15 CM ABOVE GROUND. LOCATED 16.4 M (53.8 FT) NORTHWEST OF AND LEVEL WITH THE CENTER OF HIGHWAY, 13.5 M (44.3 FT) SOUTHEAST OF THE SOUTHEAST RAIL OF TRACK, 85 M (278.9 FT) NORTHEAST ALONG TRACK FROM RAILROAD MILEPOST 461, 0.7 M (2.3 FT) SOUTHEAST OF A FIBERGLASS WITNESS POST, 1.0 M (3.3 FT) NORTHEAST OF A WHITE FIBERGLASS WITNESS POST AND 3 M (9.8 FT) SOUTHWEST OF THE EXTENDED CENTER OF ROAD LEADING SOUTH. <p> <h2>STATION RECOVERY (1998) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (CLS) RECOVERED AS DESCRIBED. <p> <h2>STATION RECOVERY (1999) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1999 (CSM) RECOVERED AS DESCRIBED. MW0848CABALLOhttp://www.geocaching.com/mark/details.asp?PID=MW0848CABALLOGeocacheGeocacheCABALLOCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CABALLO</h1> <b> PID </b> MW0848 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 50 14.25922(N) 121 18 26.57607(W) ADJUSTED <br> <b> NAVD 88 </b> 1263.3 (meters) 4145. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.75 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.63 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 778,277.338 2</td><td>057,532.010</td><td> MT </td><td>1.00004782</td><td> +0 ' 27 10.4"</td></tr><tr><td>SPC CA 1 </td><td>2,553,398.23 6</td><td>750,419.60 </td><td> sFT </td><td>1.00004782</td><td> +0 ' 27 10.4"</td></tr><tr><td>UTM 10 </td><td>4,633,096.296 </td><td>640,537.397</td><td> MT </td><td>0.99984304</td><td> +1 ' 07 45.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99980545 x 1.00004782 = 0.99985326 <br> <b>UTM 10 </b> 0.99980545 x 0.99984304 = 0.99964852 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> CABALLO AZ MK </td><td>174° 10' 22.8"</td></tr><tr><td>UTM 10 </td><td> CABALLO AZ MK </td><td>173° 29' 48.1"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD7024</td><td>CABALLO AZ MK </td><td> </td><td>174° 37' 33.2"</td></tr><tr><td>CD7025</td><td>CABALLO RM 1 </td><td> 8.453 METERS</td><td>239° 05' </td></tr><tr><td>MW0852</td><td>TULELAKE DETENT CAMP OBS TOWER </td><td>APPROX. 8.3 KM</td><td>310° 33' 43.4"</td></tr><tr><td>MW0842</td><td>TULELAKE DETENT CAMP WATER TWR </td><td>APPROX. 6.1 KM</td><td>334° 07' 55.2"</td></tr><tr><td>CD7026</td><td>CABALLO RM 2 </td><td> 8.826 METERS</td><td>344° 19' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 50 14.26317(N) 121 18 26.57818(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 50 14.26351(N) 121 18 26.57701(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 50 14.68900(N) 121 18 22.61900(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1262.2 (m) 4141. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM4053733096(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - October 08, 2003 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>20031008</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS ON A SMALL ROCKY KNOLL ALONG CALIFORNIA STATE HIGHWAY 139, ABOUT 1/2 MILE SOUTH OF AND INSIDE THE MODOC NATIONAL FOREST BOUNDARY AND ABOUT 12 MILES SOUTH OF THE TOWN OF TULELAKE. <p>THE STATION MARK, STAMPED CABALLO 1948, IS A STANDARD STATION MARK DISK THAT IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT IS FLUSH WITH THE SURROUNDING SURFACE. IT IS ABOUT 75 YARDS WEST OF THE HIGHWAY, ON THE EAST EDGE OF THE SHARP DROP OFF OF THE RIMROCK. <p>REFERENCE MARK NUMBER 1, STAMPED CABALLO NO 1 1948, IS A STANDARD REFERENCE MARK DISK THAT IS CEMENTED IN A DRILL HOLE IN AN OUTCROP OF BEDROCK THAT IS ABOUT 2 FEET HIGHER THAN THE STATION. <p>REFERENCE MARK NUMBER 2, STAMPED CABALLO NO 2 1948, IS A STANDARD REFERENCE MARK DISK THAT IS CEMENTED IN A DRILL HOLE IN AN OUTCROP OF BEDROCK THAT IS ABOUT 2 FEET LOWER THAN THE STATION. <p>THE AZIMUTH MARK, STAMPED CABALLO 1948, IS A STANDARD AZIMUTH MARK DISK THAT IS CEMENTED IN A DRILL HOLE IN AN OUTCROP OF BEDROCK THAT IS ABOUT 35 FEET EAST OF THE CENTERLINE OF CALIFORNIA STATE HIGHWAY 139 AND IS MARKED BY A SMALL CAIRN ABOUT 2 FEET TO THE WEST. THE MARK IS ABOUT 2 FEET LOWER THAN THE CREST OF THE HIGHWAY. <p>THE STATION CAN BE REACHED FROM THE INTERSECTION OF THE MAIN STREET OF THE TOWN OF TULELAKE AND CALIFORNIA STATE HIGHWAY 139 BY GOING SOUTH ON THE HIGHWAY FOR 12.4 MILES TO A SMALL KNOLL AND THE STATION ON THE RIGHT. THE AZIMUTH MARK IS 0.7 MILE SOUTH ALONG THE HIGHWAY FROM THIS POINT. <p> <h2>STATION RECOVERY (2003) </h2> <p>RECOVERY NOTE BY CALTRANS 2003 (JRL) RECOVERED IN GOOD CONDITION. MW0795CALDWELLhttp://www.geocaching.com/mark/details.asp?PID=MW0795CALDWELLGeocacheGeocacheCALDWELLCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CALDWELL</h1> <b> PID </b> MW0795 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CANBY (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 27 12.11256(N) 120 49 01.40448(W) ADJUSTED <br> <b> NAVD 88 </b> 1332.0 (meters) 4370. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.33 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.37 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 736,075.577 2</td><td>098,834.384</td><td> MT </td><td>0.99995281</td><td> +0 ' 46 24.6"</td></tr><tr><td>SPC CA 1 </td><td>2,414,941.29 6</td><td>885,925.81 </td><td> sFT </td><td>0.99995281</td><td> +0 ' 46 24.6"</td></tr><tr><td>UTM 10 </td><td>4,591,386.814 </td><td>682,330.665</td><td> MT </td><td>1.00000914</td><td> +1 ' 26 43.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99979463 x 0.99995281 = 0.99974745 <br> <b>UTM 10 </b> 0.99979463 x 1.00000914 = 0.99980377 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> HOT CREEK </td><td>069° 31' 43.3"</td></tr><tr><td>UTM 10 </td><td> HOT CREEK </td><td>068° 51' 24.0"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>MW0776</td><td>HOT CREEK </td><td>APPROX. 8.9 KM</td><td>070° 18' 07.9"</td></tr><tr><td>CD7038</td><td>CALDWELL RM 1 </td><td> 10.003 METERS</td><td>174° 46' </td></tr><tr><td>CD7039</td><td>CALDWELL RM 2 </td><td> 10.730 METERS</td><td>262° 37' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 27 12.12572(N) 120 49 01.40208(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 27 12.51600(N) 120 48 57.53000(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1330.9 (m) 4366. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL8233191387(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1962 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1968 </td><td>SEE DESCRIPTION </td><td>USAF</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (SPH) THE STATION IS 3 MILES EAST NORTHEAST OF CANBY AND 1 MILE EAST OF KELLY HOT SPRINGS. IT IS ON THE CREST OF A SLIGHT RISE AND ON THE SOUTH SIDE OF U.S. HIGHWAY 299. <p>THE STATION MARK, STAMPED CALDWELL 1947, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 3 INCHES ABOVE THE GROUND. IT IS SOUTH ACROSS THE HIGHWAY FROM TELEPHONE POLE 85, 23.3 METERS SOUTH OF THE CENTER LINE OF THE HIGHWAY, 6.6 METERS SOUTHWEST OF A WITNESS POST, 6 METERS SOUTH OF THE POWER LINE, AND 5 METERS EAST SOUTHEAST OF A SMALL JUNIPER TREE WITH A TRIANGULAR BLAZE ON IT. <p>REFERENCE MARK NO. 1, STAMPED CALDWELL NO 1 1947, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 2 INCHES ABOVE THE GROUND. IT IS 33 METERS SOUTH OF THE CENTER LINE OF THE HIGHWAY AND 1 FOOT LOWER THAN THE STATION MARK. <p>REFERENCE MARK NO. 2, STAMPED CALDWELL NO 2 1947, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 2 INCHES ABOVE THE GROUND. IT IS 23 METERS SOUTH OF THE CENTER LINE OF THE HIGHWAY AND 1 FOOT LOWER THAN THE STATION MARK. <p>A STANDARD U.S. COAST AND GEODETIC SURVEY BENCH MARK, STAMPED U 136 1932, SERVES AS THE AZIMUTH MARK FOR THIS STATION. IT IS SET IN AN 8 INCH SQUARE CONCRETE POST PROJECTING 5 INCHES ABOVE THE GROUND. IT IS ABOUT 0.05 MILE WEST OF KELLY HOT SPRINGS, NORTH ACROSS THE HIGHWAY FROM THE HOT SPRING ITSELF, 14.5 METERS NORTH OF THE CENTER LINE OF THE HIGHWAY, 30 METERS WEST OF THREE SMALL JUNIPER TREES ON THE NORTH SIDE OF THE HIGHWAY, AND 15 INCHES SOUTH OF THE RIGHT OF WAY FENCE LINE. TO REACH FROM THE STATION GO WEST ON THE HIGHWAY FOR 1.0 MILE TO THE MARK ON RIGHT, JUST BEFORE REACHING A SIDE ROAD ON LEFT. <p>TO REACH THE STATION FROM THE POST OFFICE IN CANBY GO EASTERLY ON U.S. HIGHWAY 299, TOWARDS ALTURAS, FOR 3.0 MILES TO THE SUMMIT OF A LOW RISE AND THE STATION ON RIGHT, 1.0 MILE AFTER PASSING KELLY HOT SPRINGS AND BENCH MARK U 136. <p> <h2>STATION RECOVERY (1962) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1962 (IRR) THE STATION MARK, AZIMUTH MARK (BENCH MARK U 136), AND REFERENCE MARKS WERE RECOVERED IN GOOD CONDITION AND THE 1947 DESCRIPTION IS ADEQUATE. <p> <h2>STATION RECOVERY (1968) </h2> <p>RECOVERY NOTE BY US AIR FORCE 1968 STATION AND BOTH REFERENCE MARKS WERE RECOVERED IN GOOD CONDITION. NO SEARCH WAS MADE FOR THE AZIMUTH MARK. <p>STATION IS LOCATED APPROXIMATELY SEVENTY (70) FEET SOUTH OF THE CENTERLINE OF STATE HIGHWAY 299 AT A POINT ABOUT 16.0 MILES WEST OF ALTURAS, CALIFORNIA. <p>A NEW ROUTE DESCRIPTION IS AS FOLLOWS-- <p>TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 299 IN ALTURAS, GO WEST ON HIGHWAY 299 FOR 15.8 MILES TO THE STATION ON THE LEFT AS DESCRIBED. MW0765CANTRALLhttp://www.geocaching.com/mark/details.asp?PID=MW0765CANTRALLGeocacheGeocacheCANTRALLCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CANTRALL</h1> <b> PID </b> MW0765 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> SOUP CREEK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 16 56.41175(N) 120 20 18.94226(W) ADJUSTED <br> <b> NAVD 88 </b> 1882.0 (meters) 6175. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 7.88 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.81 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 717,734.428 2</td><td>139,165.656</td><td> MT </td><td>0.99992505</td><td> +1 ' 05 10.9"</td></tr><tr><td>SPC CA 1 </td><td>2,354,767.04 7</td><td>018,245.99 </td><td> sFT </td><td>0.99992505</td><td> +1 ' 05 10.9"</td></tr><tr><td>UTM 10 </td><td>4,573,516.450 </td><td>722,880.901</td><td> MT </td><td>1.00021140</td><td> +1 ' 45 23.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99970831 x 0.99992505 = 0.99963338 <br> <b>UTM 10 </b> 0.99970831 x 1.00021140 = 0.99991964 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> EAGLE </td><td>088° 15' 33.7"</td></tr><tr><td>UTM 10 </td><td> EAGLE </td><td>087° 35' 20.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>MW0747</td><td>EAGLE </td><td>APPROX.11.5 KM</td><td>089° 20' 44.6"</td></tr><tr><td>CD7051</td><td>CANTRALL AZ MK </td><td> </td><td>116° 41' 15.6"</td></tr><tr><td>CD7052</td><td>CANTRALL RM 1 </td><td> 8.934 METERS</td><td>178° 22' </td></tr><tr><td>CD7053</td><td>CANTRALL RM 2 </td><td> 8.890 METERS</td><td>359° 54' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 16 56.42127(N) 120 20 18.94446(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 16 56.79900(N) 120 20 15.13900(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1880.8 (m) 6171. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL2288173516(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (SPH) THE STATION IS LOCATED ABOUT 18 MILES SOUTHEAST OF ALTURAS AND ABOUT 9 MILES NORTHEAST OF LIKELY ON A HIGH HEAVILY WOODED RIDGE THAT RUNS ALONG THE WEST SIDE OF JESS VALLEY. THE STATION SITE IS LOCATED ON THE EAST SLOPE OF THE RIDGE ABOUT 200 FEET FROM THE TOP IN A SMALL AREA OF LARGE LAVA BOULDERS. IT IS 39 FEET EAST OF A 10 INCH PINE TREE MARKED WITH A TRIANGLE BLAZE. STAMPED CANTRALL 1947. <p>REFERENCE MARK NO 1 IS SOUTH OF THE STATION SET FLUSH IN THE TOP OF A LARGE OVER-HANGING BOULDER WHICH IS ON THE EXTREME NORTHERN END OF THE ROCKY AREA. IT IS 10 FEET ABOVE THE SURFACE OF THE GROUND AND 60 FEET SOUTHEAST OF THE TRIANGLE BLAZE. STAMPED CANTRALL NO 1 1947. <p>REFERENCE MARK NO 2 IS NORTH OF THE STATION AND SET FLUSH IN THE TOP OF A SMALL BOULDER PROJECTING 1 FOOT ABOVE THE SURFACE OF THE GROUND. IT IS 50 FEET NORTHEAST OF THE TRIANGLE BLAZE AND ABOUT 30 FEET FROM THE EDGE OF THE RIDGE. STAMPED CANTRALL NO 2 1947. <p>THE AZIMUTH MARK IS EAST OF THE STATION NEAR THE BOTTOM OF A LARGE CANYON AND SET FLUSH IN THE TOP OF A 3 BY 3 FOOT BOULDER ON THE NORTHWEST SLOPE OF THE CANYON SIDE. <p>IT IS 19 PACES SOUTHEAST OF THE BOTTOM OF THE CANYON AND ABOUT 10 PACES NORTHWEST OF A HEAVY GROWTH OF WILD MAHOGANY TREES. STAMPED CANTRALL 1947. <p>TO REACH FROM THE POST OFFICE AT LIKELY GO EAST ON MAIN GRAVEL ROAD FOR 6.0 MILES TO FORK. KEEP LEFT FORK AND CONTINUE AHEAD AS PER SIGN CLEAR LAKE 9 FOR 3.3 MILES TO FORK. KEEP LEFT FORK AND CONTINUE 0.4 MILE TO ANOTHER FORK. KEEP LEFT FORK AND GO NORTH 2.8 MILES TO FORK. KEEP LEFT FORK AS PER SIGN PINE CREEK BASIN 13 AND GO 2.7 MILES TO FORK. TAKE LEFT FORK AS PER SIGN ALTURAS 23.5 AND GO WEST 0.5 MILE TO CROSS ROAD. TURN LEFT AND GO SOUTH FOR 0.2 MILE TO FORK. TAKE RIGHT FORK AND CONTINUE 0.8 MILE TO FORK WITH TRIANGLE BLAZE ON A 2 FOOT PINE TREE. HERE LEAVE ROAD AND GO CROSS COUNTRY SOUTH ALONG CREST OF RIDGE FOR ABOUT 0.4 MILE TO THICK TREES. FROM HERE PACK SOUTH ALONG RIDGE TO A ROCKY POINT ON EAST SIDE OF RIDGE AND STATION SITE. MW0771CANYONhttp://www.geocaching.com/mark/details.asp?PID=MW0771CANYONGeocacheGeocacheCANYONCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CANYON</h1> <b> PID </b> MW0771 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 25 29.76917(N) 120 37 27.47282(W) ADJUSTED <br> <b> NAVD 88 </b> 1458.8 (meters) 4786. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.02 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.18 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 733,153.895 2</td><td>114,987.633</td><td> MT </td><td>0.99994758</td><td> +0 ' 53 58.4"</td></tr><tr><td>SPC CA 1 </td><td>2,405,355.74 6</td><td>938,921.93 </td><td> sFT </td><td>0.99994758</td><td> +0 ' 53 58.4"</td></tr><tr><td>UTM 10 </td><td>4,588,654.642 </td><td>698,518.649</td><td> MT </td><td>1.00008502</td><td> +1 ' 34 20.5"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977472 x 0.99994758 = 0.99972231 <br> <b>UTM 10 </b> 0.99977472 x 1.00008502 = 0.99985972 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> CANYON AZ MK </td><td>153° 02' 05.8"</td></tr><tr><td>UTM 10 </td><td> CANYON AZ MK </td><td>152° 21' 43.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD7058</td><td>CANYON RM 1 </td><td> 28.480 METERS</td><td>061° 57' </td></tr><tr><td>CD7059</td><td>CANYON RM 2 </td><td> 26.666 METERS</td><td>140° 16' </td></tr><tr><td>CD7057</td><td>CANYON AZ MK </td><td> </td><td>153° 56' 04.2"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 25 29.78075(N) 120 37 27.47021(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 25 30.16700(N) 120 37 23.62000(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1457.7 (m) 4782. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL9851988655(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1968 </td><td>SEE DESCRIPTION </td><td>USAF</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (SPH) THE STATION SITE IS LOCATED ABOUT 12.5 MILES EAST OF CANBY AND ABOUT 5.5 MILES SOUTHWEST OF ALTURAS, ON A PROMINENT REDDISH COLORED BUTTE THAT SLOPES TO THE SOUTH AND DROPS OFF SHARP TO THE NORTH. <p>THE STATION MARK IS SET FLUSH IN THE TOP OF A 12 BY 12 INCH CONCRETE POST PROJECTING 3 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS APPROXIMATELY 200 FEET SOUTH OF THE NORTH EDGE OF THE RIDGE, 50 FEET SOUTH OF A SMALL, LONE PINE TREE, 12 FEET NORTH OF A 3 FOOT HIGH ROCK CAIRN AND 3 FEET WEST OF A 3 FOOT HIGH WHITE WITNESS POST. STAMPED CANYON 1947. <p>REFERENCE MARK NO. 1 IS NORTHEAST OF THE STATION AND SET FLUSH IN THE TOP OF A 12 BY 12 INCH CONCRETE POST PROJECTING 3 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 150 FEET WEST OF THE EAST EDGE OF THE RIDGE, 50 FEET EAST OF THE DIM TRACK ROAD TO THE STATION AND 1 FOOT EAST OF A SMALL ROCK CAIRN. STAMPED CANYON NO 1 1947. <p>REFERENCE MARK NO. 2 IS SOUTHEAST OF THE STATION AND SET FLUSH IN THE TOP OF A 10 BY 12 INCH CONCRETE POST PROJECTING 3 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 60 FEET NORTHEAST OF A 10 INCH JUNIPER TREE ON THE SOUTH RIM OF THE RIDGE, 50 FEET WEST OF THE DIM TRACK ROAD TO THE STATION AND 1 FOOT SOUTH OF A 1 FOOT HIGH ROCK CAIRN. STAMPED CANYON NO 2 1947. <p>THE AZIMUTH MARK IS SOUTHEAST OF THE STATION AND SET FLUSH IN THE TOP OF A 12 BY 12 INCH CONCRETE POST PROJECTING 3 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 200 FEET SOUTHEAST OF THE TRACK ROAD TO THE STATION, 25 FEET SOUTH OF A 24 INCH JUNIPER TREE AND 2 FEET WEST OF A 3 FOOT HIGH WHITE WITNESS POST. STAMPED CANYON 1947. <p>TO REACH FROM THE POST OFFICE AT ALTURAS--GO SOUTH ONE BLOCK, TURN RIGHT AND WEST ON CARLOS STREET FOR 0.1 MILE TO WEST STREET. TURN LEFT AND GO SOUTH FOR 1.1 MILE TO FORK. TAKE RIGHT FORK AND CONTINUE WEST FOR 2.5 MILES TO FORK. TAKE LEFT FORK AND FOLLOW MAIN ROAD 1.9 MILES TO FORK. TAKE LEFT FORK AND FOLLOW DIM TRACK ROAD SOUTHWEST FOR 0.6 MILE TO FORK. TAKE RIGHT FORK AND FOLLOW DIM TRACKS TO TOP OF RIDGE THENCE NORTH ALONG TOP OF RIDGE TO END AND STATION SITE. <p> <h2>STATION RECOVERY (1968) </h2> <p>RECOVERY NOTE BY US AIR FORCE 1968 STATION, BOTH REFERENCE MARKS, AND THE AZIMUTH MARK WERE RECOVERED IN GOOD CONDITION. <p>A NEW ROUTE DESCRIPTION IS AS FOLLOWS-- <p>TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 395 AND STATE HIGHWAY 299 IN ALTURAS, CALIFORNIA, GO SOUTH ON HIGHWAY 395 FOR 0.9 MILE TO CARLOS STREET, TURN RIGHT (WEST) ON CARLOS STREET FOR 0.6 MILE TO A CROSSROAD AND STOP SIGN. TURN LEFT (SOUTH) ON PAVED ROAD FOR 5.4 MILES TO A DIRT ROAD ON THE LEFT. TAKE THE DIRT ROAD FOR 0.15 MILE TO A FORK. BEAR RIGHT ON THE FORK FOR 0.15 MILE TO ANOTHER FORK. CONTINUE ON THE RIGHT FORK FOR 0.25 MILE TO A DIM TRACK ROAD ON THE RIGHT. TAKE THE DIM TRACK ROAD FOR 0.15 MILE TO TOP OF THE RIDGELINE. BEAR RIGHT (NORTHWEST) ON A TRACK ROAD FOR 0.15 MILE TO THE AZIMUTH MARK ON THE LEFT (WEST) SIDE OF THE ROAD. CONTINUE NORTHWEST FOR 0.4 MILE ON WINDING TRACK ROAD TO THE HIGHEST POINT OF THE RIDGE AND THE STATION AS DESCRIBED. MW0829CARRhttp://www.geocaching.com/mark/details.asp?PID=MW0829CARRGeocacheGeocacheCARRCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CARR</h1> <b> PID </b> MW0829 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CARR BUTTE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 57 21.99608(N) 121 10 05.02437(W) ADJUSTED <br> <b> NAVD 88 </b> 1672.0 (meters) 5486. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.01 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.34 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 791,575.320 2</td><td>068,978.938</td><td> MT </td><td>1.00008642</td><td> +0 ' 32 38.4"</td></tr><tr><td>SPC CA 1 </td><td>2,597,026.70 6</td><td>787,975.07 </td><td> sFT </td><td>1.00008642</td><td> +0 ' 32 38.4"</td></tr><tr><td>SPC OR S </td><td> 32,374.871 1</td><td>444,606.657</td><td> MT </td><td>1.00011626</td><td> -0 ' 27 25.4"</td></tr><tr><td>SPC OR S </td><td> 106,216.77 4</td><td>739,523.15 </td><td> iFT </td><td>1.00011626</td><td> -0 ' 27 25.4"</td></tr><tr><td>UTM 10 </td><td>4,646,526.185 </td><td>651,823.725</td><td> MT </td><td>0.99988364</td><td> +1 ' 13 30.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99974133 x 1.00008642 = 0.99982773 <br> <b>SPC OR S </b> 0.99974133 x 1.00011626 = 0.99985756 <br> <b>UTM 10 </b> 0.99974133 x 0.99988364 = 0.99962500 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> LORELLA </td><td>332° 43' 36.2"</td></tr><tr><td>SPC OR S </td><td> LORELLA </td><td>333° 43' 40.0"</td></tr><tr><td>UTM 10 </td><td> LORELLA </td><td>332° 02' 44.6"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD7062</td><td>CARR AZ MK </td><td> </td><td>151° 57' 54.3"</td></tr><tr><td>CD7063</td><td>CARR RM 1 </td><td> 6.550 METERS</td><td>270° 54' </td></tr><tr><td>NY0893</td><td>LORELLA </td><td>APPROX.17.1 KM</td><td>333° 16' 14.6"</td></tr><tr><td>CD7064</td><td>CARR RM 2 </td><td> 5.099 METERS</td><td>337° 20' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 57 21.99895(N) 121 10 05.02622(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 57 21.99800(N) 121 10 05.02424(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 57 22.42200(N) 121 10 01.07800(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1670.9 (m) 5482. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM5182446526(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1953 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS LOCATED ON A PROMINENT, ROUND, SAGE BRUSH COVERED HILL, ABOUT 15 MILES WEST OF TULELAKE, ABOUT 12-1/2 MILES EAST SOUTHEAST OF MALIN, ABOUT 3-1/2 MILES NORTH OF CLEAR LAKE RESERVOIR, ABOUT 2-1/2 MILES SOUTH OF THE CALIFORNIA-OREGON BOUNDRY AND 4 FEET SOUTH OF A WHITE WITNESS POST. <p>TO REACH, FROM THE SOUTH CITY LIMITS IN MALIN, OREGON, GO EAST, ON PAVED HIGHWAY, AS PER SIGN ALTURAS 75, FOR 1.4 MILES TO FORKS. TAKE RIGHT FORK, AND GO EAST 2.5 MILES TO CROSS ROADS. TURN LEFT, AS PER SIGN CLEAR LAKE 18, AND GO NORTH 6.8 MILES TO FORKS. TAKE LEFT FORK, AS PER SIGN STEEL SWAMP 19, AND GO NORTH 4.6 MILES TO TOP OF RIDGE. TURN LEFT, ACROSS COUNTRY, AND GO EAST 0.6 MILE TO HIGHEST POINT OF HILL AND THE STATION SITE. <p>THE STATION MARK IS A STANDARD DISK, STAMPED CARR 1948, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH PROJECTS ABOUT 3 INCHES. <p>REFERENCE MARK NUMBER 1 IS A STANDARD DISK, STAMPED CARR NO 1 1948, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH PROJECTS ABOUT 2 INCHES AND IS ABOUT THE SAME ELEVATION AS THE STATION. <p>REFERENCE MARK NUMBER 2 IS A STANDARD DISK, STAMPED CARR NO 2 1948, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH PROJECTS ABOUT 4 INCHES AND IS ABOUT 6 INCHES LOWER THAN THE STATION. <p>THE AZIMUTH MARK IS A STANDARD DISK, STAMPED CARR 1946, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH PROJECTS ABOUT 15 INCHES. IT IS LOCATED ON A SMALL KNOLL, ON THE SAME HILL AS THE STATION AND IS ABOUT 100 FEET LOWER THAN THE STATION SITE. <p>TO REACH, FROM THE STATION, GO SOUTH SOUTHEAST, ALONG TOP OF RIDGE 0.25 MILE TO THE AZIMUTH MARK. <p> <h2>STATION RECOVERY (1953) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1953 (CTH) THE STATION WAS RECOVERED AND ALL MARKS WERE FOUND IN GOOD CONDITION. A COMPLETE DESCRIPTION FOLLOWS AS AT TIME OF RECOVERY A COPY OF THE ORIGINAL DESCRIPTION WAS NOT AVAILABLE. <p>THE STATION IS LOCATED ABOUT 13 MILES EAST-SOUTHEAST OF MALIN, OREGON, 5.5 MILES NORTHWEST OF CLEAR LAKE DAM AND 2.5 MILES SOUTH OF THE CALIFORNIA-OREGON STATE LINE ON THE HIGHEST POINT OF CARR BUTTE. THE BUTTE IS COVERED WITH SAGEBRUSH AND HAS TWO SMALL TREES GROWING NEAR THE SUMMIT. <p>TO REACH THE STATION FROM THE ROAD FORK IN THE SOUTH EDGE OF MALIN, OREGON, GO EAST AND SOUTH EAST ON AN OILED ROAD 2.8 MILES TO THE CALIFORNIA-OREGON STATE LINE AND END OF OILED ROAD. CONTINUE STRAIGHT AHEAD, SOUTHEAST ON A GRAVEL ROAD 1.1 MILES TO A CROSSROAD. TURN LEFT, GO EASTERLY ON A DIRT ROAD TOWARD CLEAR LAKE 11.75 MILES TO A DIM TRACK ROAD ON THE LEFT AT THE SOUTHERN BASE OF THE STATION BUTTE. TURN LEFT, FOLLOW DIM TRACK ROAD NORTHERLY UP RIDGE 0.7 MILE TO THE AZIMUTH MARK ON THE RIGHT AS DESCRIBED BELOW. TURN LEFT, FOLLOW DIM TRACK ROAD NORTHWEST 0.15 MILE TO THE SUMMIT OF BUTTE AND STATION. <p>THE STATION MARK IS STAMPED CARR 1948. IT IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER AS DESCRIBED BY NOTE 4. IT PROJECTS 6 INCHES. <p>REFERENCE MARK 1 IS STAMPED CARR NO 1 1948. IT IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER AS DESCRIBED BY NOTE 12 C. IT PROJECTS 2 INCHES AND IS ABOUT 1 FOOT LOWER THAN THE STATION MARK. <p>REFERENCE MARK 2 IS STAMPED CARR NO 2 1948. IT IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER AS DESCRIBED BY NOTE 12C. IT IS FLUSH WITH THE GROUND LEVEL AND THE SAME ELEVATION AS THE STATION MARK. <p>THE AZIMUTH MARK IS STAMPED CARR 1948. IT IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER AS DESCRIBED BY NOTE 17C. IT PROJECTS 1 FOOT, IS 15 FEET EAST OF A CURVE IN A DIM TRACK ROAD AND 4 FEET EAST OF A SMALL CAIRN. IT IS LOCATED ON A SMALL KNOLL THAT IS SLIGHTLY LOWER THAN THE STATION. MW0847CASUSEhttp://www.geocaching.com/mark/details.asp?PID=MW0847CASUSEGeocacheGeocacheCASUSECGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CASUSE</h1> <b> PID </b> MW0847 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 47 51.07878(N) 121 22 10.10072(W) ADJUSTED <br> <b> NAVD 88 </b> 1270.9 (meters) 4170. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 3.08 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.73 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 773,820.824 2</td><td>052,406.397</td><td> MT </td><td>1.00003587</td><td> +0 ' 24 44.3"</td></tr><tr><td>SPC CA 1 </td><td>2,538,777.15 6</td><td>733,603.32 </td><td> sFT </td><td>1.00003587</td><td> +0 ' 24 44.3"</td></tr><tr><td>UTM 10 </td><td>4,628,580.604 </td><td>635,465.728</td><td> MT </td><td>0.99982582</td><td> +1 ' 05 12.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99980427 x 1.00003587 = 0.99984014 <br> <b>UTM 10 </b> 0.99980427 x 0.99982582 = 0.99963013 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> CASUSE AZ MK </td><td>143° 39' 47.9"</td></tr><tr><td>UTM 10 </td><td> CASUSE AZ MK </td><td>142° 59' 19.3"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD7070</td><td>CASUSE RM 1 </td><td> 14.686 METERS</td><td>088° 45' </td></tr><tr><td>CD7069</td><td>CASUSE AZ MK </td><td> </td><td>144° 04' 32.2"</td></tr><tr><td>CD7071</td><td>CASUSE RM 2 </td><td> 18.155 METERS</td><td>193° 00' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 47 51.08326(N) 121 22 10.10234(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 47 51.08337(N) 121 22 10.10215(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 47 51.51000(N) 121 22 06.14000(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1269.8 (m) 4166. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM3546628581(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS LOCATED ABOUT 14 MILES, AIRLINE, FROM THE TOWN OF TULELAKE, 3 MILES WEST OF STATE HIGHWAY 139, ON A LOW GRASSY RIDGE WITH HIGHER GROUND TO THE SOUTHEAST. <p>THE STATION MARK, STAMPED CASUSE 1948, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER THAT IS FLUSH WITH THE GROUND. <p>REFERENCE MARK NUMBER 1, STAMPED CASUSE NO 1 1948, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER THAT IS FLUSH WITH THE GROUND AND IS 6 INCHES LOWER THAN THE STATION. <p>REFERENCE MARK NUMBER 2, STAMPED CASUSE NO 1 1948, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A BOULDER THAT IS FLUSH WITH THE GROUND AND IS 6 INCHES LOWER THAN THE STATION. <p>THE AZIMUTH MARK, STAMPED CASUSE 1948, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A LARGE OUTCROPPING OF BEDROCK THAT PROJECTS ABOUT 4 FEET. IT IS ON A ROCKY KNOLL THAT IS ABOUT 50 FEET HIGHER THAN THE STATION AND IS VERY PROMINENT. TO REACH FROM THE STATION, GO SOUTH SOUTHEAST CROSS-COUNTRY FOR 0.3 MILE TO ROCKY KNOLL AND THE AZIMUTH MARK. <p>THE STATION IS REACHED AS FOLLOWS--FROM THE CAUTION LIGHT ON STATE HIGHWAY 139 AT THE TOWN OF TULELAKE, GO SOUTHEAST ON STATE HIGHWAY 139 FOR 17.5 MILES TO A GRAVEL ROAD ON THE RIGHT. TURN RIGHT ON GRAVEL ROAD AND GO 0.8 MILE. CROSS RAILROAD TRACKS AND TURN RIGHT AS PER SIGN CASUSE MTN. 3 AND GO 3.7 MILES. TURN LEFT, WEST, AND FOLLOW DIM TRACKS FOR 1.2 MILES TO THE HIGHEST POINT OF RIDGE AND THE STATION. THE GRASS HIDES THE BOULDERS SO CAUTION MUST BE USED IN TAKING A TRUCK TO THE STATION FOR THE LAST 1.2 MILES. MW0721CEDARVILLEhttp://www.geocaching.com/mark/details.asp?PID=MW0721CEDARVILLEGeocacheGeocacheCEDARVILLECGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CEDARVILLE</h1> <b> PID </b> MW0721 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CEDARVILLE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 31 36.58337(N) 120 11 11.33645(W) ADJUSTED <br> <b> NAVD 88 </b> 1462.1 (meters) 4797. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -8.61 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.55 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 745,133.478 2</td><td>151,343.539</td><td> MT </td><td>0.99996749</td><td> +1 ' 11 09.0"</td></tr><tr><td>SPC CA 1 </td><td>2,444,658.75 7</td><td>058,199.59 </td><td> sFT </td><td>0.99996749</td><td> +1 ' 11 09.0"</td></tr><tr><td>UTM 10 </td><td>4,601,065.361 </td><td>734,738.614</td><td> MT </td><td>1.00027816</td><td> +1 ' 51 58.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977409 x 0.99996749 = 0.99974159 <br> <b>UTM 10 </b> 0.99977409 x 1.00027816 = 1.00005219 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> CEDARVILLE AZ MK </td><td>021° 02' 29.0"</td></tr><tr><td>UTM 10 </td><td> CEDARVILLE AZ MK </td><td>020° 21' 39.9"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD7082</td><td>CEDARVILLE RM 1 </td><td> 9.429 METERS</td><td>009° 37' </td></tr><tr><td>CD7081</td><td>CEDARVILLE AZ MK </td><td> </td><td>022° 13' 38.0"</td></tr><tr><td>CD7083</td><td>CEDARVILLE RM 2 </td><td> 9.833 METERS</td><td>180° 22' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 31 36.58931(N) 120 11 11.33895(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 31 36.97200(N) 120 11 07.53400(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1461.0 (m) 4793. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM3473901065(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (SPH) THE STATION IS ABOUT 0.2 MILE WEST OF THE CITY LIMIT OF CEDARVILLE AND 0.2 MILE SOUTH OF THE HIGHWAY LEADING FROM CEDARVILLE TO ALTURAS. IT IS ON THE WEST SIDE OF A FENCE LINE AT A T INTERSECTION WITH ONE RUNNING EAST. <p>THE STATION MARK, STAMPED CEDARVILLE 1947, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 4 INCHES ABOVE THE GROUND. IT IS 2.2 METERS WEST OF THE T INTERSECTION OF THE FENCE LINES. <p>REFERENCE MARK NO. 1, STAMPED CEDARVILLE NO 1 1947, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 4 INCHES ABOVE THE GROUND. IT IS 2 FEET WEST OF THE FENCE LINE AND 18 INCHES LOWER THAN THE STATION MARK. <p>REFERENCE MARK NO. 2, STAMPED CEDARVILLE NO 2 1947, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 4 INCHES ABOVE THE GROUND. IT IS 2 FEET WEST OF THE FENCE LINE AND 1 FOOT HIGHER THAN THE STATION MARK. <p>THE AZIMUTH MARK, STAMPED CEDARVILLE 1947, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 4 INCHES ABOVE THE GROUND. IT IS NORTH ACROSS THE HIGHWAY (TO ALTURAS) FROM THE SHELL OIL COMPANY BULK PLANT, 63 FEET NORTH OF THE CENTER OF THE HIGHWAY, AND 5 METERS NORTH OF POWER TRANSMISSION POLE A1858 AND A WHITE WITNESS POST. <p>TO REACH THE STATION FROM CEDARVILLE GO WEST ON THE HIGHWAY LEADING TO ALTURAS FOR 0.8 MILE TO THE COUNTY YARDS ON LEFT. TURN LEFT, PASS THROUGH YARDS, AND FOLLOW TRACK ROAD SOUTHERLY TO A GRAVEL PIT, ABOUT 0.15 MILE. THENCE BEAR LEFT AND CONTINUE SOUTHEAST ACROSS COUNTRY 0.15 MILE TO THE INTERSECTION OF THE FENCE LINES AND THE STATION SITE. MW0118CITYhttp://www.geocaching.com/mark/details.asp?PID=MW0118CITYGeocacheGeocacheCITYNM0030Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CITY</h1> <b> PID </b> MW0118 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 28 58. (N) 120 32 27. (W) SCALED <br> <b> NAVD 88 </b> 1331.354 (meters) 4367.95 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.10 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1330.422 (meters) 4364.89 (feet) COMP <br> <b> MODELED GRAV</b> 979,877.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 739,690. </td><td> 2,121,860. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1330.261 (m) 4364.36 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL053952(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BUILDING <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>NM0030</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 AT ALTURAS. AT ALTURAS, MODOC COUNTY, AT THE SOUTHWEST CORNER OF THE COUNTY COURTHOUSE, ABOUT 1/4 INCH IN FROM THE FACE OF THE MASONRY, AND 14 INCHES ABOVE THE GROUND. THE CENTER OF AN AUTOMOBILE-ENGINE VALVE. MW0827CLEAR LAKEhttp://www.geocaching.com/mark/details.asp?PID=MW0827CLEAR LAKEGeocacheGeocacheCLEAR LAKECGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CLEAR LAKE</h1> <b> PID </b> MW0827 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> DOUBLE HEAD MOUNTAIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 49 32.87646(N) 121 13 55.88091(W) ADJUSTED <br> <b> NAVD 88 </b> 1683.1 (meters) 5522. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.82 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.51 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 777,052.605 2</td><td>063,788.930</td><td> MT </td><td>1.00004431</td><td> +0 ' 30 07.4"</td></tr><tr><td>SPC CA 1 </td><td>2,549,380.09 6</td><td>770,947.51 </td><td> sFT </td><td>1.00004431</td><td> +0 ' 30 07.4"</td></tr><tr><td>UTM 10 </td><td>4,631,945.763 </td><td>646,807.141</td><td> MT </td><td>0.99986521</td><td> +1 ' 10 44.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99973961 x 1.00004431 = 0.99978391 <br> <b>UTM 10 </b> 0.99973961 x 0.99986521 = 0.99960485 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> CLEAR LAKE AZ MK </td><td>207° 47' 10.1"</td></tr><tr><td>UTM 10 </td><td> CLEAR LAKE AZ MK </td><td>207° 06' 32.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6239</td><td>CLEAR LAKE RM 1 </td><td> 9.585 METERS</td><td>035° 09' </td></tr><tr><td>CD6240</td><td>CLEAR LAKE RM 2 </td><td> 9.168 METERS</td><td>161° 18' </td></tr><tr><td>CD6238</td><td>CLEAR LAKE AZ MK </td><td> </td><td>208° 17' 17.5"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 49 32.88018(N) 121 13 55.88151(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 49 32.88087(N) 121 13 55.88159(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 49 33.30400(N) 121 13 51.93900(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1682.0 (m) 5518. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM4680731946(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS ON THE SOUTH END OF THE CLEAR LAKE HILLS, ABOUT 1 MILE SOUTH OF THE HIGHEST POINT OF THE RIDGE. IT IS ABOUT 2 MILES WEST OF THE EDGE OF THE CLEAR LAKE RESERVOIR, 15 MILES SOUTHEAST OF THE TOWN OF TULE LAKE, AND 32 MILES NORTH NORTHEAST OF THE TOWN OF CANBY. <p>THE STATION MARK, STAMPED CLEAR LAKE 1948, IS A STANDARD STATION MARK DISK THAT IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT IS FLUSH WITH THE SURROUNDING SURFACE. IT IS ABOUT 10 FEET WEST OF THE DIM TRACK ROAD THAT FOLLOWS THE CREST OF THE RIDGE. <p>REFERENCE MARK NUMBER 1, STAMPED CLEAR LAKE NO 1 1948, IS A STANDARD REFERENCE MARK DISK THAT IS SET IN THE TOP OF AN OUTCROP OF BEDROCK THAT PROJECTS ABOUT 3 INCHES ABOVE THE SURROUNDING SURFACE. IT IS ABOUT 6 FEET EAST OF THE TRACK ROAD. <p>REFERENCE MARK NUMBER 2, STAMPED CLEAR LAKE NO 2 1948, IS A STANDARD REFERENCE MARK DISK THAT IS BRAZED TO THE TOP OF A 1 INCH IRON PIPE AND EMBEDDED IN THE GROUND. IT PROJECTS ABOVE THE GROUND ABOUT 1 FOOT AND IS ABOUT 20 FEET WEST OF THE TRACK ROAD. <p>THE AZIMUTH MARK IS A STANDARD AZIMUTH MARK DISK THAT IS BRAZED TO THE TOP OF AN IRON PIPE THAT PROJECTS FROM THE GROUND ABOUT 1 FOOT. IT IS STAMPED CLEAR LAKE 1948. IT IS ABOUT 12 FEET EAST OF THE CENTERLINE OF A DIRT ROAD, 60 FEET WEST NORTHWEST OF THE SOUTH ONE OF TWO JUNIPER TREES, 100 FEET WEST OF THE NORTH ONE OF THE TWO TREES, AND ABOUT 50 YARDS WEST OF THE CREST OF A SMALL RIDGE. <p>TO REACH THE STATION FROM THE INTERSECTION OF THE MAIN STREET OF THE TOWN OF TULE LAKE AND CALIFORNIA STATE HIGHWAY 139, GO SOUTH ON HIGHWAY 139 FOR 7.8 MILES TO THE SOUTHWEST CORNER OF THE TULE LAKE DETENTION CAMP. TURN LEFT AND GO 0.5 MILE TO A FORK. TURN RIGHT AND FOLLOW ALONG THE EAST SIDE OF AN IRRIGATION CANAL FOR 1.7 MILES TO A WELL TRAVELED ROAD. TURN LEFT ON THIS ROAD FOR 0.2 MILE AND THEN TURN RIGHT ON A LESSER TRAVELED ROAD AS SIGNS HORSE MT., FAYNE RANCH FOR 2.2 MILES. TAKE THE RIGHT FORK TOWARD CLEAR LAKE FOR 2.8 MILES TO ANOTHER FORK. KEEP STRAIGHT AHEAD ON THE MAIN TRAVELED ROAD FOR 2.5 MILES TO A ROAD TO THE LEFT. THE AZIMUTH MARK IS ABOUT 100 YARDS SOUTHEAST FROM THIS POINT. TURN LEFT ALONG THE WEST AND NORTH SIDES OF A CULTIVATED FIELD FOR 0.9 MILES TO THE INTERSECTION OF A ROAD LEADING NORTH UP THE HILL. TURN LEFT, NORTH, UP THE HILL FOR 0.3 MILES TO THE STATION ON THE LEFT. MW0751COURTNEYhttp://www.geocaching.com/mark/details.asp?PID=MW0751COURTNEYGeocacheGeocacheCOURTNEYCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>COURTNEY</h1> <b> PID </b> MW0751 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WARREN PEAK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 23 05.59804(N) 120 07 58.29407(W) ADJUSTED <br> <b> NAVD 88 </b> 1449.0 (meters) 4754. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -11.73 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.62 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 729,467.490 2</td><td>156,153.738</td><td> MT </td><td>0.99994062</td><td> +1 ' 13 15.2"</td></tr><tr><td>SPC CA 1 </td><td>2,393,261.26 7</td><td>073,981.06 </td><td> sFT </td><td>0.99994062</td><td> +1 ' 13 15.2"</td></tr><tr><td>SPC NV W </td><td>4,737,544.815 </td><td>670,402.604</td><td> MT </td><td>1.00010664</td><td> -1 ' 01 28.4"</td></tr><tr><td>UTM 10 </td><td>4,585,452.089 </td><td>739,735.526</td><td> MT </td><td>1.00030736</td><td> +1 ' 53 47.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977616 x 0.99994062 = 0.99971679 <br> <b>SPC NV W </b> 0.99977616 x 1.00010664 = 0.99988278 <br> <b>UTM 10 </b> 0.99977616 x 1.00030736 = 1.00008345 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> COURTNEY AZ MK </td><td>084° 34' 08.2"</td></tr><tr><td>SPC NV W </td><td> COURTNEY AZ MK </td><td>086° 48' 51.8"</td></tr><tr><td>UTM 10 </td><td> COURTNEY AZ MK </td><td>083° 53' 36.3"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6277</td><td>COURTNEY AZ MK </td><td> </td><td>085° 47' 23.4"</td></tr><tr><td>CD6278</td><td>COURTNEY RM 1 </td><td> 6.260 METERS</td><td>222° 18' </td></tr><tr><td>CD6279</td><td>COURTNEY RM 2 </td><td> 5.408 METERS</td><td>348° 00' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 23 05.60515(N) 120 07 58.29809(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 23 05.98800(N) 120 07 54.50600(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1447.9 (m) 4750. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL3973685452(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1947 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 (SPH) THE STATION IS LOCATED ABOUT 10 MILES SOUTH OF CEDARVILLE AND ABOUT 5 MILES NORTH OF EAGLEVILLE. IT IS 0.3 MILE WEST OF THE ROAD AND ABOUT 200 YARDS ALMOST DUE NORTH OF THE COURTNEY RANCH HOUSE, ON THE EAST END OF A LOW SANDY RIDGE. <p>THE STATION MARK IS LOCATED ON THE NORTHEAST SLOPE OF THE RIDGE AND IS A PIPE MARK STAMPED COURTNEY 1947 AND PROJECTS 2 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 40 PACES NORTHEAST OF THE HIGHEST POINT OF THE RIDGE, 8 FEET WEST OF A TALL SAGEBRUSH WHICH IS THE TALLEST IN THE VICINITY AND 6 FEET NORTH OF A 3 FOOT HIGH WHITE WITNESS POST. <p>REFERENCE MARK NO. 1 IS SOUTHWEST OF THE STATION AND IS A PIPE MARK PROJECTING 2 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS ON A SMALL SANDY KNOLL ABOUT 3 FEET HIGHER THAN THE STATION AND ABOUT 30 PACES NORTHEAST OF THE HIGHEST POINT OF THE RIDGE. STAMPED COURTNEY NO 1 1947. <p>REFERENCE MARK NO. 2 IS A PIPE MARK EMBEDDED 3 FEET IN THE GROUND AND SURROUNDED BY A MASS OF CONCRETE AND PROJECTS 1 INCH ABOVE THE SURFACE OF THE GROUND. IT IS NORTH WEST OF THE STATION MARK AND ABOUT 1 FOOT LOWER IN ELEVATION. STAMPED COURTNEY NO 2 1947. <p>THE AZIMUTH MARK IS EAST OF THE STATION AND IS A PIPE MARK EMBEDDED 3 FEET IN THE GROUND SURROUNDED BY A MASS OF CONCRETE AND STAMPED COURTNEY 1947. IT IS 50 FEET SOUTH OF THE SOUTH GATE POST AT ENTRANCE TO THE COURTNEY RANCH, 35 FEET WEST OF THE CENTER OF THE HIGHWAY, 3 FEET SOUTH OF A WHITE WITNESS POST THAT PROJECTS 3 FEET ABOVE THE GROUND AND 1 FOOT EAST OF THE NORTH-SOUTH RIGHT-OF-WAY FENCE LINE. <p>TO REACH FROM THE POST OFFICE AT EAGLEVILLE GO NORTH ON THE CEDARVILLE ROAD FOR 4.9 MILES TO A RANCH DRIVEWAY ON LEFT. TURN LEFT AND GO WEST 0.3 MILES TO RANCH YARD. FROM HERE PACK NORTH ACROSS SMALL CREEK TO EAST END OF FIRST LOW RIDGE AND STATION SITE. MW0711COW HEADhttp://www.geocaching.com/mark/details.asp?PID=MW0711COW HEADGeocacheGeocacheCOW HEADCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>COW HEAD</h1> <b> PID </b> MW0711 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> LAKE ANNIE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 54 33.32644(N) 120 03 56.98266(W) ADJUSTED <br> <b> NAVD 88 </b> 1733.0 (meters) 5686. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 0.13 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -20.93 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 787,814.617 2</td><td>160,473.357</td><td> MT </td><td>1.00007067</td><td> +1 ' 15 53.0"</td></tr><tr><td>SPC CA 1 </td><td>2,584,688.46 7</td><td>088,153.01 </td><td> sFT </td><td>1.00007067</td><td> +1 ' 15 53.0"</td></tr><tr><td>SPC OR S </td><td> 27,042.649 1</td><td>536,027.152</td><td> MT </td><td>1.00013366</td><td> +0 ' 17 49.3"</td></tr><tr><td>SPC OR S </td><td> 88,722.60 5</td><td>039,459.16 </td><td> iFT </td><td>1.00013366</td><td> +0 ' 17 49.3"</td></tr><tr><td>SPC NV W </td><td>4,795,683.007 </td><td>677,010.592</td><td> MT </td><td>1.00008608</td><td> -0 ' 59 25.3"</td></tr><tr><td>UTM 10 </td><td>4,643,865.390 </td><td>743,357.671</td><td> MT </td><td>1.00032881</td><td> +1 ' 57 39.1"</td></tr><tr><td>UTM 11 </td><td>4,644,247.679 </td><td>245,721.696</td><td> MT </td><td>1.00039570</td><td> -2 ' 02 56.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99973155 x 1.00007067 = 0.99980220 <br> <b>SPC OR S </b> 0.99973155 x 1.00013366 = 0.99986518 <br> <b>SPC NV W </b> 0.99973155 x 1.00008608 = 0.99981761 <br> <b>UTM 10 </b> 0.99973155 x 1.00032881 = 1.00006027 <br> <b>UTM 11 </b> 0.99973155 x 1.00039570 = 1.00012715 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> COW HEAD AZ MK </td><td>147° 27' 24.0"</td></tr><tr><td>SPC OR S </td><td> COW HEAD AZ MK </td><td>148° 25' 27.7"</td></tr><tr><td>SPC NV W </td><td> COW HEAD AZ MK </td><td>149° 42' 42.3"</td></tr><tr><td>UTM 10 </td><td> COW HEAD AZ MK </td><td>146° 45' 37.9"</td></tr><tr><td>UTM 11 </td><td> COW HEAD AZ MK </td><td>150° 46' 13.1"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6281</td><td>COW HEAD RM 1 </td><td> 10.047 METERS</td><td>018° 40' </td></tr><tr><td>CD6282</td><td>COW HEAD RM 2 </td><td> 6.752 METERS</td><td>103° 17' </td></tr><tr><td>CD6280</td><td>COW HEAD AZ MK </td><td> </td><td>148° 43' 17.0"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 54 33.32651(N) 120 03 56.98527(W) AD(1984.00) 3 <br> <b> NAD 83(1986)</b> 41 54 33.32754(N) 120 03 56.98398(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 54 33.71800(N) 120 03 53.16600(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1731.7 (m) 5681. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM4335843865(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) THE STATION IS ABOUT 12 MILES SOUTHEAST OF PINE CREEK, 6 MILES NORTHEAST OF FT. BIDWELL, AND 1 MILE WEST OF THE ROAD LEADING FROM FT. BIDWELL TO COW HEAD LAKE. IT IS ON THE EAST EDGE OF A HIGH RIDGE THAT SEPARATES SURPRISE VALLEY FROM COW HEAD LAKE AND ABOUT 400 FEET SOUTHEAST OF AND 15 FEET LOWER THAN THE SUMMIT OF THERIDGE. <p>THE STATION MARK, STAMPED COW HEAD 1948, IS A STANDARD DISK SET IN A BEDROCK OUTCROP, 2 FEET IN DIAMETER, PROTRUDING 3 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 139 PACES SOUTHEAST OF A JUNIPER TREE ON THE SUMMIT OF THE RIDGE, ABOUT 400 FEET EAST NORTHEAST ACROSS A DRAW FROM ANOTHER SUMMIT OF ABOUT THE SAME ELEVATION, AND 35 YARDS NORTHEAST OF A CONSPICUOUS PATCH OF ROCK OUTCROPS AND CURRANT BUSHES. <p>REFERENCE MARK NO. 1, STAMPED COW HEAD NO 1 1948, IS A STANDARD DISK SET IN A BEDROCK OUTCROP, 18 INCHES IN DIAMETER, PROTRUDING 8 INCHES ABOVE THE GROUND. IT IS ON THE EAST EDGE OF THE RIDGE AND ABOUT 2 FEET HIGHER THAN THE STATION MARK. <p>REFERENCE MARK NO. 2, STAMPED COW HEAD NO 2 1948, IS A STANDARD DISK SET IN A BEDROCK OUTCROP, 4 FEET SQUARE, PROTRUDING 4 INCHES ABOVE THE GROUND. IT IS ON THE EAST SLOPE OF THE RIDGE AND 1 FOOT LOWER THAN THE STATION MARK. <p>THE AZIMUTH MARK, STAMPED COW HEAD 1948, IS A STANDARD DISK SET IN AN OUTCROP, 10 FEET BY 5 FEET, PROTRUDING 2-1/2 FEET ABOVE THE GROUND. IT IS 23.5 METERS WEST OF THE CENTER OF THE ROAD LEADING FROM FT. BIDWELL TO COW HEAD LAKE AND 2 FEET NORTH OF A WHITE WITNESS POST. IT IS PASSED ENROUTE TO THE STATION AT THE POINT WHERE THE ROAD IS LEFT TO DRIVE ACROSS COUNTRY. <p>TO REACH THE STATION FROM IN FRONT OF THE HIGH SCHOOL ON THE NORTH EDGE OF FT. BIDWELL GO EAST ON THE GRADED ROAD FOR 0.2 MILE TO AN INTERSECTION AND SIGN, ADEL 31. TURN LEFT AND CONTINUE NORTHEASTERLY ON THE GRADED ROAD FOR 6.4 MILES TO A DIRT ROAD ON RIGHT. TURN RIGHT AND FOLLOW THE DIRT ROAD UP GRADE FOR 0.7 MILE TO THE AZIMUTH MARK IN A LARGE OUTCROP ON LEFT. TURN LEFT, ACROSS COUNTRY, AND CONTINUE WESTERLY AND NORTHWESTERLY UP RIDGE FOR ABOUT 0.9 MILE TO THE STATION SITE, AS DESCRIBED ABOVE. MW0849CROSShttp://www.geocaching.com/mark/details.asp?PID=MW0849CROSSGeocacheGeocacheCROSSCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>CROSS</h1> <b> PID </b> MW0849 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> THE PANHANDLE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 52 14.04535(N) 121 23 06.59184(W) ADJUSTED <br> <b> NAVD 88 </b> 1463.0 (meters) 4800. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 3.73 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.78 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 781,924.990 2</td><td>051,045.246</td><td> MT </td><td>1.00005819</td><td> +0 ' 24 07.3"</td></tr><tr><td>SPC CA 1 </td><td>2,565,365.57 6</td><td>729,137.61 </td><td> sFT </td><td>1.00005819</td><td> +0 ' 24 07.3"</td></tr><tr><td>UTM 10 </td><td>4,636,666.358 </td><td>634,009.484</td><td> MT </td><td>0.99982099</td><td> +1 ' 04 40.7"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977416 x 1.00005819 = 0.99983234 <br> <b>UTM 10 </b> 0.99977416 x 0.99982099 = 0.99959519 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> CROSS AZ MK </td><td>063° 04' 44.4"</td></tr><tr><td>UTM 10 </td><td> CROSS AZ MK </td><td>062° 24' 11.0"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6313</td><td>CROSS AZ MK </td><td> </td><td>063° 28' 51.7"</td></tr><tr><td>CD6314</td><td>CROSS RM 1 </td><td> 3.752 METERS</td><td>177° 42' </td></tr><tr><td>CD6315</td><td>CROSS RM 2 </td><td> 4.757 METERS</td><td>268° 09' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 52 14.04942(N) 121 23 06.59303(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 52 14.04931(N) 121 23 06.59249(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 52 14.48000(N) 121 23 02.62500(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1461.9 (m) 4796. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM3400936666(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1977 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS LOCATED ON THE HIGHEST POINT OF A PROMINENT STONE FORMATION THAT FORMS A SHEER CLIFF ON THE EAST SIDE. IT IS ABOUT 150 FEET SOUTHWEST OF CANBY CROSS, 1.5 MILES SOUTHWEST OF THE SOUTHWEST CORNER OF THE TULE LAKE DETENTION CAMP, ABOUT 8 MILES AIRLINE SOUTHEAST OF TULE LAKE. <p>THE STATION IS A STANDARD STATION DISK THAT IS SET IN A DRILL HOLE IN A LARGE OUTCROPPING BEDROCK THAT PROJECTS ABOUT 25 FEET. IT IS 6 FEET WEST OF A SHEER CLIFF. THE DISK IS STAMPED CROSS 1948. <p>REFERENCE MARK NUMBER ONE IS A STANDARD REFERENCE DISK THAT IS SET IN A DRILL HOLE IN OUTCROPPING BED ROCK. IT IS ON A SMALL SHELF AND ABOUT 2 FEET WEST OF A SHEER CLIFF. THE DISK IS STAMPED CROSS NO 1 1948. <p>REFERENCE MARK NUMBER TWO IS A STANDARD REFERENCE DISK THAT IS SET IN A DRILL HOLE IN OUTCROPPING BEDROCK. IT IS ABOUT 5 FEET LOWER THAN THE STATION. THE DISK IS STAMPED <p>THE AZIMUTH MARK IS USC AND GS BM Z 603. IT IS A STANDARD BENCH MARK DISK THAT IS SET IN THE TOP OF A CONCRETE POST THAT IS 6 INCHES BY 6 INCHES ACROSS THE TOP AND PROJECTS 5 INCHES ABOVE THE GROUND. IT IS 45 FEET WEST OF THE WEST RAIL OF THE RAILROAD TRACKS, 72 FEET SOUTH OF THE CENTERLINE OF THE MAIN TRAVELED ROAD, 5 FEET SOUTHWEST OF A TELEPHONE POLE AND 2.5 FEET EAST NORTHEAST OF A WHITE WITNESS POST. THE DISK IS STAMPED Z 603 1940. TO REACH THE MARK FROM THE INTERSECTION OF MAIN STREET AND STATE HIGHWAY 139 IN THE NORTH EDGE OF TULE LAKE GO, SOUTHEAST, ON THE HIGHWAY FOR 7.7 MILES TO A DIRT ROAD RIGHT. TURN RIGHT, SOUTH, AND GO ACROSS THE RAILROAD TRACKS AND THE MARK IS ON THE LEFT AS DESCRIBED. <p>TO REACH THE STATION FROM THE INTERSECTION OF MAIN STREET AND STATE HIGHWAY 139 IN THE NORTH EDGE OF TULE LAKE GO, SOUTHEAST, ON THE HIGHWAY FOR 7.7 MILES TO A DIRT ROAD RIGHT AND A SIGN CHECKING STATION 4 MI. TURN RIGHT AS PER THE SIGN AND FOLLOW THE MAIN TRAVELED ROAD, SOUTHERLY, FOR 2.7 MILES TO A FORK. TAKE THE RIGHT FORK AS PER SIGN CHECKING STATION 2 MI. AND GO 0.1 MILE TO A REVERSE Y. TURN SHARP RIGHT AND GO 0.7 MILE AND KEEP TO THE RIGHT FOR 0.7 MILE. TAKE THE RIGHT HAND ROAD FOR 0.4 MILE TO A FORK. TAKE THE RIGHT FORK AND GO 0.1 MILE. TAKE THE RIGHT FORK AND GO 0.05 MILE. FROM THIS POINT PACK UP THE STEEP SLOPE TO A LARGE WHITE CROSS IN A SMALL SADDLE AND THE STATION IS ON THE LARGE ROCK OUTCROP ABOUT 150 FEET SOUTHWEST AS DESCRIBED. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1977 (CLN) THE STATION MARK, AZIMUTH MARK (BM Z 603) AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION AND THE 1948 DESCRIPTION IS ADEQUATE. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN 8 MILES SOUTHEAST OF TULELAKE. MW0954D 136 RESEThttp://www.geocaching.com/mark/details.asp?PID=MW0954D 136 RESETGeocacheGeocacheD 136 RESETCADTNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>D 136 RESET</h1> <b> PID </b> MW0954 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ADIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 11 52. (N) 120 56 37. (W) SCALED <br> <b> NAVD 88 </b> 1282.37 (meters) 4207.2 (feet) RESET <br> <hr> <b> GEOID HEIGHT</b> -22.79 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was computed from unverified reset data. No vertical observational check was made to the station. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 707,560. </td><td> 2,088,600. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (08/19/04) 1281.33 (m) 4203.8 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL724627(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 35 = SET IN A MAT FOUNDATION OR CONCRETE SLAB OTHER THAN <br>WITH SETTING: PAVEMENT <br>SP_SET: BRIDGE DECK <br>STAMPING: D 136 RESET 1983 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1989 </td><td>MONUMENTED </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1989 IN ADIN, ON U.S. HIGHWAY 299 AT THE ASH CREEK BRIDGE NO. 3-02 IN THE SOUTHEAST CORNER OF THE DECK, 2 FEET (0.6 M) NORTH OF THE SOUTH END OF BRIDGE, 6 INCHES WEST OF RAILING, AND LEVEL WITH BRIDGE DECK. MW0182D 137http://www.geocaching.com/mark/details.asp?PID=MW0182D 137GeocacheGeocacheD 137CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>D 137</h1> <b> PID </b> MW0182 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 29 41. (N) 120 33 51. (W) SCALED <br> <b> NAVD 88 </b> 1337.626 (meters) 4388.53 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.09 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1336.694 (meters) 4385.47 (feet) COMP <br> <b> MODELED GRAV</b> 979,880.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 740,980. </td><td> 2,119,890. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1336.538 (m) 4384.96 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL033965(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 4384.975 D 137 1932 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1932 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 1.1 MI W FROM ALTURAS. 1.1 MILES WEST ALONG U.S. HIGHWAY 299 FROM THE INTERSECTION OF TWELFTH AND MAIN STREETS AT ALTURAS, MODOC COUNTY, AT THE NORTHWEST CORNER OF A ROAD INTERSECTION, 41 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY, 12 FEET NORTHWEST OF A CITY-LIMITS POST (THE POST WAS MARKED ALTURAS CITY LIMITS - MODOC 28 B IN 1932), 1 FOOT WEST OF A FENCE CORNER, AND AT THE FENCE LINE. A STANDARD DISK, STAMPED 4384.975 D 137 1932 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 5 INCHES ABOVE GROUND. MW0001D 159http://www.geocaching.com/mark/details.asp?PID=MW0001D 159GeocacheGeocacheD 159CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>D 159</h1> <b> PID </b> MW0001 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CEDARVILLE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 31 23. (N) 120 10 19. (W) SCALED <br> <b> NAVD 88 </b> 1412.011 (meters) 4632.57 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -21.61 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1411.003 (meters) 4629.27 (feet) COMP <br> <b> MODELED GRAV</b> 979,860.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 744,740. </td><td> 2,152,570. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1410.876 (m) 4628.85 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM359006(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: D 159 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>19870407</td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 0.7 MI S FROM CEDARVILLE. 0.7 MILE SOUTH ALONG THE EAGLEVILLE ROAD FROM THE RANGER STATION AT CEDARVILLE, MODOC COUNTY, 0.5 MILE SOUTH OF THE INTERSECTION OF AN EAST-AND-WEST ROAD, 48 FEET WEST OF THE CENTERLINE OF THE ROAD, AND 21 FEET SOUTH OF A FENCE CORNER. A STANDARD DISK, STAMPED D 159 1934 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1987 (JS) MARK NOT FOUND. MW0084D 181http://www.geocaching.com/mark/details.asp?PID=MW0084D 181GeocacheGeocacheD 181CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>D 181</h1> <b> PID </b> MW0084 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> EAGLE PEAK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 20 56. (N) 120 07 36. (W) SCALED <br> <b> NAVD 88 </b> 1397.177 (meters) 4583.90 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -21.63 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1396.151 (meters) 4580.54 (feet) COMP <br> <b> MODELED GRAV</b> 979,840.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 725,480. </td><td> 2,156,760. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1396.070 (m) 4580.27 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL403814(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: D 181 1934 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1934 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 2.6 MI N FROM EAGLEVILLE. 2.6 MILES NORTH ALONG THE CEDARVILLE ROAD FROM THE GRAMMAR SCHOOL AT EAGLEVILLE, MODOC COUNTY, 0.2 MILE NORTH OF A WHITE FARMHOUSE, AT THE TOP OF A GRADE, AND 54 FEET EAST OF THE CENTERLINE OF THE ROAD. A STANDARD DISK, STAMPED D 181 1934 AND SET IN THE TOP OF A CONCRETE POST. MW0297D 505http://www.geocaching.com/mark/details.asp?PID=MW0297D 505GeocacheGeocacheD 505CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>D 505</h1> <b> PID </b> MW0297 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> CRANK MOUNTAIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 28 41. (N) 121 09 30. (W) SCALED <br> <b> NAVD 88 </b> 1437.849 (meters) 4717.34 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.74 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1436.842 (meters) 4714.04 (feet) COMP <br> <b> MODELED GRAV</b> 979,872.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 738,490. </td><td> 2,070,300. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1436.763 (m) 4713.78 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL537934(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>STAMPING: D 505 1954 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 7.9 MI S FROM HACKAMORE. 2.2 MILES SOUTH ALONG A GRADED ROAD FROM THE WATER TOWER AT HACKAMORE, THENCE 1.6 MILES WEST ALONG STATE HIGHWAY 139, THENCE 4.1 MILES SOUTH ALONG LOOKOUT ROAD, 0.1 MILE NORTH OF THE INTERSECTION OF A ROAD LEADING EAST TO COTTON-WOOD FLAT CAMP GROUND AND WEST TO MUD LAKE, AT A SMALL RISE IN THE ROAD, IN THE TOP OF A 4-BY 3-FOOT BOULDER PROJECTING 1 FOOT ABOVE THE GROUND, 48 1/2 FEET WEST OF THE CENTER LINE OF THE ROAD, 25 FEET WEST OF A 12-INCH PINE TREE SUPPORTING TELEPHONE WIRES, 0.7 FOOT EAST OF THE WEST END OF THE BOULDER, AND ABOUT LEVEL WITH THE ROAD. MW0364D 506http://www.geocaching.com/mark/details.asp?PID=MW0364D 506GeocacheGeocacheD 506CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>D 506</h1> <b> PID </b> MW0364 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> WHITE HORSE (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 18 48. (N) 121 22 48. (W) SCALED <br> <b> NAVD 88 </b> 1358.256 (meters) 4456.21 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -23.36 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1357.312 (meters) 4453.11 (feet) COMP <br> <b> MODELED GRAV</b> 979,880.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 720,040. </td><td> 2,051,910. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1357.192 (m) 4452.72 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL356748(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: D 506 1954 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1954 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>19860430</td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1954 1.5 MI NE FROM WHITE HORSE. 1.5 MILES NORTHEAST ALONG A GRADED ROAD FROM THE WATER TANK AT WHITE HORSE, 1.1 MILES NORTHEAST OF BENCH MARK C 506, ON TOP OF A GRADE, AT THE SOUTHEAST END OF A CURVE, 32 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 2.6 FEET NORTHWEST OF A WITNESS POST, ABOUT LEVEL WITH THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1986) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1986 (LML) RECOVERED IN GOOD CONDITION. MW0246D 602http://www.geocaching.com/mark/details.asp?PID=MW0246D 602GeocacheGeocacheD 602CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>D 602</h1> <b> PID </b> MW0246 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> COPIC (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 48 46. (N) 121 18 20. (W) SCALED <br> <b> NAVD 88 </b> 1262.589 (meters) 4142.34 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.63 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1261.785 (meters) 4139.71 (feet) COMP <br> <b> MODELED GRAV</b> 979,941.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 775,560. </td><td> 2,057,710. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1261.515 (m) 4138.82 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM407303(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: D 602 1940 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1940 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1981 </td><td>GOOD </td><td>LOCSUR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1940 8.3 MI SE FROM STRONGHOLD. 5.3 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE FLAG STATION AT STRONGHOLD, MODOC COUNTY, THENCE 3.0 MILES SOUTHEAST ALONG THE CANBY-KLAMATH FALLS HIGHWAY, 115 FEET SOUTH OF CONCRETE CULVERT 2008+80, 50 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, 9 FEET WEST OF A ROW OF POLES, AND AT A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED D 602 1940 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1981) </h2> <p>RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1981 RECOVERED IN GOOD CONDITION. MW0115D 93 RESET 1938http://www.geocaching.com/mark/details.asp?PID=MW0115D 93 RESET 1938GeocacheGeocacheD 93 RESET 1938LOCENGUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>D 93 RESET 1938</h1> <b> PID </b> MW0115 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ALTURAS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 29 33. (N) 120 32 33. (W) SCALED <br> <b> NAVD 88 </b> 1333.680 (meters) 4375.58 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.08 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1332.747 (meters) 4372.52 (feet) COMP <br> <b> MODELED GRAV</b> 979,877.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 740,770. </td><td> 2,121,700. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1332.567 (m) 4371.93 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGL051963(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BUILDING <br>STAMPING: D 93 RESET 1938 <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - January 25, 2005 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1938 </td><td>MONUMENTED </td><td>LOCENG</td></tr><tr><td>1944 </td><td>GOOD </td><td>NGS</td></tr><tr><td>20050125</td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1944 AT ALTURAS. AT ALTURAS, MODOC COUNTY, ON MAIN STREET, AT THE HIGH SCHOOL, AT THE MAIN (WEST) ENTRANCE, AND IN THE CENTER OF THE WEST FACE OF THE TOP STONE OF THE NORTH PARAPET (THIS STONE IS THE THIRD STONE ABOVE THE SECOND CONCRETE STEP FROM THE BOTTOM, AND THE FOURTH STONE WEST OF THE FACE OF THE BUILDING). A STANDARD DISK, STAMPED D 93 RESET 1938 AND SET VERTICALLY. NOTE-- THIS BENCH MARK WAS ESTABLISHED BY LOCAL ENGINEERS WHEN THE NEW HIGH SCHOOL BUILDING WAS BUILT IN 1938-39. <p> <h2>STATION RECOVERY (2005) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2005 (DW) STATION IS AT NORTH EDGE OF EAST END OF HANDICAP ACCESS RAMP. GRAVITY BASE STATION 'ALTURAS' (C 13) WAS ON SIDEWALK BELOW MARK UNTIL RAMP WAS BUILT. MW0844DALTONhttp://www.geocaching.com/mark/details.asp?PID=MW0844DALTONGeocacheGeocacheDALTONCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>DALTON</h1> <b> PID </b> MW0844 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> NEWELL (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 58 26.84338(N) 121 20 48.49546(W) ADJUSTED <br> <b> NAVD 88 </b> 1290. (meters) 4232. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 5.59 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.58 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was scaled from a topographic map. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 793,450.617 2</td><td>054,144.196</td><td> MT </td><td>1.00009265</td><td> +0 ' 25 37.6"</td></tr><tr><td>SPC CA 1 </td><td>2,603,179.23 6</td><td>739,304.75 </td><td> sFT </td><td>1.00009265</td><td> +0 ' 25 37.6"</td></tr><tr><td>SPC OR S </td><td> 34,509.802 1</td><td>429,806.696</td><td> MT </td><td>1.00010974</td><td> -0 ' 34 45.6"</td></tr><tr><td>SPC OR S </td><td> 113,221.14 4</td><td>690,966.85 </td><td> iFT </td><td>1.00010974</td><td> -0 ' 34 45.6"</td></tr><tr><td>UTM 10 </td><td>4,648,224.931 </td><td>636,971.233</td><td> MT </td><td>0.99983086</td><td> +1 ' 06 21.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99980124 x 1.00009265 = 0.99989387 <br> <b>SPC OR S </b> 0.99980124 x 1.00010974 = 0.99991096 <br> <b>UTM 10 </b> 0.99980124 x 0.99983086 = 0.99963213 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 58 26.84643(N) 121 20 48.49725(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 58 26.84714(N) 121 20 48.49553(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 58 27.28500(N) 121 20 44.53300(W) AD( ) 2 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM3697148225(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1905 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1948 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 THE STATION IS LOCATED ON A BLUFF THAT IS ABOUT 100 FEET ABOVE THE ROAD. IT IS ABOUT 7 MILES EAST AND 1 MILE NORTH, AIRLINE, OF THE TOWN OF TULELAKE, ABOUT 4 MILES AIRLINE SOUTHEAST OF MALIN, OREGON AND ABOUT 1-1/2 MILES SOUTH OF THE OREGON-CALIFORNIA LINE. <p>DALTON (USGS) 1905 IS A STANDARD USGS STATION DISK THAT IS SET IN A DRILL HOLE IN A SMALL PEAR SHAPED BOULDER THAT IS LOOSE ON THE SURFACE OF THE GROUND. IT IS 9 FEET EAST OF THE EDGE OF THE RIMROCK. THE DISK IS NOT STAMPED. MW0845DALTONhttp://www.geocaching.com/mark/details.asp?PID=MW0845DALTONGeocacheGeocacheDALTONCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>DALTON</h1> <b> PID </b> MW0845 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> NEWELL (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 58 26.70965(N) 121 20 48.23063(W) ADJUSTED <br> <b> NAVD 88 </b> 1289.7 (meters) 4231. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 5.59 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.58 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 793,446.536 2</td><td>054,150.325</td><td> MT </td><td>1.00009263</td><td> +0 ' 25 37.8"</td></tr><tr><td>SPC CA 1 </td><td>2,603,165.84 6</td><td>739,324.86 </td><td> sFT </td><td>1.00009263</td><td> +0 ' 25 37.8"</td></tr><tr><td>SPC OR S </td><td> 34,505.614 1</td><td>429,812.752</td><td> MT </td><td>1.00010976</td><td> -0 ' 34 45.4"</td></tr><tr><td>SPC OR S </td><td> 113,207.40 4</td><td>690,986.72 </td><td> iFT </td><td>1.00010976</td><td> -0 ' 34 45.4"</td></tr><tr><td>UTM 10 </td><td>4,648,220.924 </td><td>636,977.407</td><td> MT </td><td>0.99983088</td><td> +1 ' 06 21.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99980130 x 1.00009263 = 0.99989391 <br> <b>SPC OR S </b> 0.99980130 x 1.00010976 = 0.99991104 <br> <b>UTM 10 </b> 0.99980130 x 0.99983088 = 0.99963222 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> DALTON AZ MK </td><td>005° 39' 19.2"</td></tr><tr><td>SPC OR S </td><td> DALTON AZ MK </td><td>006° 39' 42.4"</td></tr><tr><td>UTM 10 </td><td> DALTON AZ MK </td><td>004° 58' 35.9"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6338</td><td>DALTON RM 1 </td><td> 7.991 METERS</td><td>001° 43' </td></tr><tr><td>CD6337</td><td>DALTON AZ MK </td><td> </td><td>006° 04' 57.0"</td></tr><tr><td>MW0842</td><td>TULELAKE DETENT CAMP WATER TWR </td><td>APPROX. 9.7 KM</td><td>176° 28' 24.6"</td></tr><tr><td>CD6339</td><td>DALTON RM 2 </td><td> 9.823 METERS</td><td>292° 19' </td></tr><tr><td>MW0844</td><td>DALTON </td><td> 7.362 METERS</td><td>304° 05' </td></tr><tr><td>NY0895</td><td>MALIN MUNICIPAL TANK </td><td>APPROX. 6.6 KM</td><td>311° 01' 35.5"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 58 26.71271(N) 121 20 48.23243(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 58 26.71342(N) 121 20 48.23071(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 58 27.15100(N) 121 20 44.26800(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1288.6 (m) 4228. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM3697748221(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS LOCATED ON A BLUFF THAT IS ABOUT 100 FEET ABOVE THE ROAD. IT IS ABOUT 7 MILES EAST AND 1 MILE NORTH, AIRLINE, OF THE TOWN OF TULELAKE, ABOUT 4 MILES AIRLINE SOUTHEAST OF MALIN, OREGON AND ABOUT 1-1/2 MILES SOUTH OF THE OREGON-CALIFORNIA LINE. <p>THE STATION IS 15 FEET EAST OF A FENCELINE AND 25 FEET EAST OF A CORNER POST THAT IS THE END OF THE FENCE ON THE EDGE OF THE RIM. IT IS A STANDARD STATION DISK THAT IS SET IN A DRILL HOLE IN THE TOP OF A BOULDER THAT IS FLUSH WITH THE GROUND. THE DISK IS STAMPED DALTON 1948. THIS MARK IS SET AS DESCRIBED. <p>REFERENCE MARK NUMBER ONE IS A STANDARD REFERENCE MARK DISK THAT IS SET IN A DRILL HOLE IN THE TOP OF A BOULDER THAT PROJECTS 2 FEET ABOVE THE GROUND. IT IS 32 FEET EAST OF THE EDGE OF THE RIM AND 30 FEET NORTHEAST OF THE FENCE CORNER POST. THE DISK IS STAMPED DALTON NO 1 1948 AND IS SET AS DESCRIBED. <p>REFERENCE MARK NUMBER TWO IS A STANDARD REFERENCE MARK DISK THAT IS SET IN A DRILL HOLE IN A LARGE OUTCROPPING RIMROCK. IT IS 2-1/2 FEET EAST OF THE EDGE OF THE BLUFF AND 9 FEET NORTHWEST OF THE FENCE CORNER POST. THE DISK IS STAMPED DALTON NO 2 1948 AND IS SET AS DESCRIBED. <p>DALTON (USGS) 1905 IS A STANDARD USGS STATION DISK THAT IS SET IN A DRILL HOLE IN A SMALL PEAR SHAPED BOULDER THAT IS LOOSE ON THE SURFACE OF THE GROUND. IT IS 9 FEET EAST OF THE EDGE OF THE RIMROCK. THE DISK IS NOT STAMPED. <p>THE AZIMUTH MARK IS A STANDARD AZIMUTH MARK DISK THAT IS SET IN A DRILL HOLE IN A BOULDER THAT PROJECTS 2-1/2 FEET ABOVE THE GROUND. IT IS SET AS DESCRIBED. THE MARK IS 30 FEET EAST OF THE CENTERLINE OF THE ROAD. THE DISK IS STAMPED DALTON 1948. TO REACH THE MARK FROM THE STATION GO WEST OVER THE EDGE OF THE BLUFF AND DOWN TO THE ROAD. GO RIGHT, NORTH, FOR 0.6 MILE TO A CROSS ROAD. TURN RIGHT, EAST, AND GO 0.2 MILE AND THE ROAD TURNS LEFT. TURN LEFT, NORTH AND GO 0.05 MILE TO THE MARK AS DESCRIBED ON THE EAST SIDE OF THE ROAD. <p>TO REACH THE STATION FROM THE U.S. POST OFFICE IN MALIN, OREGON GO SOUTH ON THE PAVED ROAD FOR 1.0 MILE TO A T-ROAD. TURN LEFT, EAST, AND GO 3.4 MILES TO A CROSS ROAD. TURN RIGHT, SOUTH, AND GO 0.6 MILE TO THE BASE OF THE BLUFF. FROM THIS POINT PACK EAST UP THE WEST FACE OF THE BLUFF TO THE TOP AND THE STATION AS DESCRIBED. MW0727DAVIS CREEKhttp://www.geocaching.com/mark/details.asp?PID=MW0727DAVIS CREEKGeocacheGeocacheDAVIS CREEKCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>DAVIS CREEK</h1> <b> PID </b> MW0727 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> DAVIS CREEK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 44 05.33092(N) 120 22 29.04985(W) ADJUSTED <br> <b> NAVD 88 </b> 1472.27 (+/-2cm) 4830.3 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 7.01 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.50 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> THIRD ? (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 767,921.169 2</td><td>135,206.664</td><td> MT </td><td>1.00001802</td><td> +1 ' 03 45.8"</td></tr><tr><td>SPC CA 1 </td><td>2,519,421.37 7</td><td>005,257.20 </td><td> sFT </td><td>1.00001802</td><td> +1 ' 03 45.8"</td></tr><tr><td>UTM 10 </td><td>4,623,664.499 </td><td>718,327.304</td><td> MT </td><td>1.00018661</td><td> +1 ' 44 53.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977250 x 1.00001802 = 0.99979052 <br> <b>UTM 10 </b> 0.99977250 x 1.00018661 = 0.99995907 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> SUGAR HILL FIRE LOT USFS </td><td>026° 29' 06.0"</td></tr><tr><td>UTM 10 </td><td> SUGAR HILL FIRE LOT USFS </td><td>025° 47' 58.0"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6350</td><td>DAVIS CREEK RM 1 </td><td> 11.808 METERS</td><td>016° 05' </td></tr><tr><td>MW0739</td><td>SUGAR HILL FIRE LOT USFS </td><td>APPROX. 8.7 KM</td><td>027° 32' 51.8"</td></tr><tr><td>CD6351</td><td>DAVIS CREEK RM 2 </td><td> 12.461 METERS</td><td>166° 34' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 44 05.33552(N) 120 22 29.04941(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 44 05.73100(N) 120 22 25.22100(W) AD( ) 3 <br> NGVD 29 (07/19/86) 1471.10 (m) 4826.4 (f) LEVELING 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM1832723664(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1968 </td><td>SEE DESCRIPTION </td><td>USAF</td></tr><tr><td>1978 </td><td>SEE DESCRIPTION </td><td>PP+L</td></tr><tr><td>1980 </td><td>SEE DESCRIPTION </td><td>PP+L</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) THE STATION IS IN THE VILLAGE OF DAVIS CREEK AND ON THE PROPERTY OF MR. DON ECKERT. IT IS ON THE WEST SIDE OF THE SCHOOL YARD FENCE AND IN AN OPEN FIELD. <p>THE STATION MARK, STAMPED DAVIS CREEK 1948, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 4 INCHES ABOVE THE GROUND. IT IS ABOUT 100 YARDS WEST OF U.S. HIGHWAY 395, 13 METERS NORTH NORTHWEST OF THE SOUTHWEST CORNER OF THE SCHOOL YARD FENCE, AND 3.6 METERS WEST OF THE FENCE. <p>REFERENCE MARK NO. 1, STAMPED DAVIS CREEK NO 1 1948, IS A STANDARD DISK SET IN A CONCRETE POST, 10 INCHES BY 14 INCHES, PROJECTING 6 INCHES ABOVE THE GROUND. IT IS 23.9 METERS NORTH OF THE FENCE CORNER AND 2 FEET WEST OF THE FENCE LINE. <p>REFERENCE MARK NO. 2, STAMPED DAVIS CREEK NO 2 1948, IS A STANDARD DISK SET IN A 12 INCH SQUARE CONCRETE POST PROJECTING 4 INCHES ABOVE THE GROUND. IT IS 2-1/2 FEET WEST NORTHWEST OF THE SOUTHWEST CORNER OF THE SCHOOL YARD FENCE AND 23.464 METERS SOUTH OF REFERENCE MARK NO. 1. <p>A STANDARD USC AND GS BENCH MARK, STAMPED T 92 1931 4799.252, SERVES AS THE AZIMUTH MARK. IT IS A STANDARD BENCH MARK SET IN AN 8 INCH SQUARE CONCRETE POST PROJECTING 6 INCHES ABOVE THE GROUND. IT IS 36 FEET NORTHEAST OF THE NORTHEAST CORNER OF THE SOUTHERN PACIFIC RAILROAD DEPOT AND ON THE EAST EDGE OF AN IRRIGATION DITCH. TO REACH THE MARK FROM THE STATION GO SOUTH ON U.S. HIGHWAY 395 FOR 0.1 MILE TO AN INTERSECTION ON RIGHT. TURN RIGHT AND CONTINUE 0.2 MILE TO THE DEPOT AND THE MARK ON LEFT. <p>TO REACH THE STATION FROM THE POST OFFICE IN DAVIS CREEK GO NORTH ON U.S. HIGHWAY 395 FOR 0.25 MILE TO THE SCHOOL YARD ON LEFT. TURN LEFT AND PASS THROUGH THE GATE ON THE SOUTH SIDE OF THE SCHOOL YARD FENCE LINE AND CONTINUE WEST TO THE WEST SIDE OF THE SCHOOL YARD AND THE STATION. <p> <h2>STATION RECOVERY (1968) </h2> <p>RECOVERY NOTE BY US AIR FORCE 1968 STATION WAS RECOVERED IN GOOD CONDITION. DUE TO SNOW ON THE GROUND, THE REFERENCE MARKS WERE NOT FOUND. POSSIBLY DESTROYED BY CHANGES IN U.S. HIGHWAY 395. NO SEARCH WAS MADE FOR THE AZIMUTH MARK. <p>STATION IS LOCATED 2 FEET WEST OF A NORTH-SOUTH FENCELINE, 10 FEET NORTH OF THE CORNERPOST FOR THE NORTH-SOUTH AND EAST-WEST FENCELINE AND APPROXIMATELY 75 FEET EAST OF THE CENTERLINE OF U.S. HIGHWAY 395. <p>A NEW ROUTE DESCRIPTION IS AS FOLLOWS-- <p>TO REACH THE STATION FROM THE U.S. POST OFFICE IN DAVIS CREEK, CALIFORNIA, GO NORTH ON U.S. HIGHWAY 395 FOR 0.35 MILE TO AN ABANDONED SCHOOLHOUSE ON THE RIGHT (EAST) SIDE OF THE HIGHWAY, AND THE STATION AS DESCRIBED. <p> <h2>STATION RECOVERY (1978) </h2> <p>RECOVERY NOTE BY PACIFIC POWER AND LIGHT COMPANY 1978 (DCS) DAVIS CREEK GOOD. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY PACIFIC POWER AND LIGHT COMPANY 1980 (DCS) DAVIS CREEK GOOD <p>RM 1 GOOD 6 FT EAST OF HWY R/W FENCE RM 2 GOOD 2 FT EAST OF HWY R/W FENCE. MW0712DICKINSONhttp://www.geocaching.com/mark/details.asp?PID=MW0712DICKINSONGeocacheGeocacheDICKINSONCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>DICKINSON</h1> <b> PID </b> MW0712 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> LARKSPUR HILLS (1990) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 49 17.76904(N) 120 04 24.53407(W) ADJUSTED <br> <b> NAVD 88 </b> 1452.5 (meters) 4765. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 5.37 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -21.22 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 778,066.549 2</td><td>160,052.545</td><td> MT </td><td>1.00004304</td><td> +1 ' 15 35.0"</td></tr><tr><td>SPC CA 1 </td><td>2,552,706.67 7</td><td>086,772.39 </td><td> sFT </td><td>1.00004304</td><td> +1 ' 15 35.0"</td></tr><tr><td>SPC NV W </td><td>4,785,958.738 </td><td>676,206.645</td><td> MT </td><td>1.00008852</td><td> -0 ' 59 37.6"</td></tr><tr><td>UTM 10 </td><td>4,634,110.293 </td><td>743,054.948</td><td> MT </td><td>1.00032701</td><td> +1 ' 57 08.6"</td></tr><tr><td>UTM 11 </td><td>4,634,536.883 </td><td>244,738.082</td><td> MT </td><td>1.00040188</td><td> -2 ' 03 02.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977556 x 1.00004304 = 0.99981859 <br> <b>SPC NV W </b> 0.99977556 x 1.00008852 = 0.99986406 <br> <b>UTM 10 </b> 0.99977556 x 1.00032701 = 1.00010249 <br> <b>UTM 11 </b> 0.99977556 x 1.00040188 = 1.00017735 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> DICKINSON AZ MK </td><td>302° 21' 38.5"</td></tr><tr><td>SPC NV W </td><td> DICKINSON AZ MK </td><td>304° 36' 51.1"</td></tr><tr><td>UTM 10 </td><td> DICKINSON AZ MK </td><td>301° 40' 04.9"</td></tr><tr><td>UTM 11 </td><td> DICKINSON AZ MK </td><td>305° 40' 15.5"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6394</td><td>DICKINSON RM 1 </td><td> 2.962 METERS</td><td>064° 14' </td></tr><tr><td>CD6395</td><td>DICKINSON RM 2 </td><td> 7.588 METERS</td><td>139° 05' </td></tr><tr><td>CD6393</td><td>DICKINSON AZ MK </td><td> </td><td>303° 37' 13.5"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 49 17.77000(N) 120 04 24.53700(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 49 17.77032(N) 120 04 24.53615(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 49 18.15400(N) 120 04 20.72600(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1451.3 (m) 4761. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGM4305534110(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (GLS) STATION IS LOCATED ABOUT 14 MILES NORTHEAST OF LAKE CITY, 5 MILES SOUTHEAST OF FT. BIDWELL, AND ABOUT 1/3 MILE SOUTHEAST OF THE DICKINSON RANCH BUILDING. IT IS NEAR THE NORTHEAST EDGE OF UPPER LAKE, ON A PROMINENT ROCK TOPPED BUTTE WHICH LIES TO THE WEST OF THE MAIN RANGE OF HILLS BORDERING THE EAST SIDE OF THE LAKE. THE STATION IS MARKED BY A STANDARD DISK SET IN OUTCROPPING BEDROCK, 12 FEET EAST OF THE WEST EDGE OF BUTTE. IT IS STAMPED DICKINSON 1948. <p>REFERENCE MARKS NO. 1 AND NO. 2 ARE STANDARD DISKS SET IN OUTCROPPING BED ROCK. REFERENCE MARK NO. 1 BEING 16 FEET EAST OF WEST EDGE OF BUTTE AND REFERENCE MARK NO. 2 ABOUT 22 FEET EAST OF BUTTE EDGE. THEY ARE STAMPED DICKINSON NO 1 AND NO 2 1948 RESPECTIVELY. <p>THE AZIMUTH MARK IS 150 YARDS SOUTH OF A RANCH HOUSE AND TWO TALL POPLAR TREES, 15 FEET EAST OF RANCH ROAD TO STATION, 3 FEET EAST OF A WITNESS POST, AND SET IN AN E-W FENCE LINE. IT IS A STANDARD DISK SET IN A 10 X 8 INCH CONCRETE POST PROTRUDING 1 INCH ABOVE THE SURFACE. IT IS STAMPED DICKINSON 1948. <p>TO REACH THE STATION FROM THE HIGH SCHOOL IN FT. BIDWELL, GO EAST ON THE BURNS ROAD FOR 1/4 MILE TO FORK, KEEP STRAIGHT AHEAD, LEAVING BURNS ROAD, FOR 3.1 MILES TO TRACK ROAD RIGHT, TURN RIGHT, GOING .8 MILE TO RANCH HOUSE. CONTINUE AHEAD FOR .4 MILE TO FORKS, KEEP LEFT FORK GOING 1.5 MILES TO A SMALL RANCH BUILDING. THE AZIMUTH MARK IS APPROX. 150 YARDS SOUTH OF RANCH HOUSE. FOLLOW TRACK ROAD ABOUT .3 MILE FARTHER TO A POINT OPPOSITE BUTTE, HERE LEAVE ROAD PICKING WAY AROUND NORTH EDGE OF BUTTE TO A SADDLE NEAR THE EAST END OF SAME. TURN SHARP RIGHT FOLLOWING RIDGE TO WEST END OF BUTTE AND STATION SITE. MW0828DOUBLE HEADhttp://www.geocaching.com/mark/details.asp?PID=MW0828DOUBLE HEADGeocacheGeocacheDOUBLE HEADCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>DOUBLE HEAD</h1> <b> PID </b> MW0828 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> DOUBLE HEAD MOUNTAIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 45 47.80761(N) 121 09 59.23978(W) ADJUSTED <br> <b> NAVD 88 </b> 1702.4 (meters) 5585. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.93 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.50 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 770,158.622 2</td><td>069,315.913</td><td> MT </td><td>1.00002597</td><td> +0 ' 32 42.2"</td></tr><tr><td>SPC CA 1 </td><td>2,526,762.08 6</td><td>789,080.62 </td><td> sFT </td><td>1.00002597</td><td> +0 ' 32 42.2"</td></tr><tr><td>UTM 10 </td><td>4,625,118.631 </td><td>652,414.269</td><td> MT </td><td>0.99988586</td><td> +1 ' 13 17.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99973658 x 1.00002597 = 0.99976255 <br> <b>UTM 10 </b> 0.99973658 x 0.99988586 = 0.99962247 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 1 </td><td> DOUBLE HEAD AZ MK </td><td>251° 40' 34.3"</td></tr><tr><td>UTM 10 </td><td> DOUBLE HEAD AZ MK </td><td>250° 59' 59.2"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>CD6424</td><td>DOUBLE HEAD RM 1 </td><td> 6.606 METERS</td><td>087° 37' </td></tr><tr><td>CD6425</td><td>DOUBLE HEAD RM 2 </td><td> 7.578 METERS</td><td>152° 52' </td></tr><tr><td>CD6423</td><td>DOUBLE HEAD AZ MK </td><td> </td><td>252° 13' 16.5"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 45 47.81378(N) 121 09 59.24187(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 45 47.81300(N) 121 09 59.24104(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 45 48.23000(N) 121 09 55.31200(W) AD( ) 2 <br> NGVD 29 (07/19/86) 1701.3 (m) 5582. (f) VERT ANG <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFM5241425119(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: IN A DRILL HOLE IN ROCK LEDGE <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1948 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (WRH) THE STATION IS LOCATED ON THE HIGHEST POINT OF DOUBLE HEAD MOUNTAIN, ABOUT 21 MILES SOUTHEAST OF TULELAKE, ABOUT 16 MILES SOUTH OF THE OREGON-CALIFORNIA BOUNDRY, ABOUT 2 MILES SOUTH OF CLEAR LAKE RESERVOIR, ON A HILL BEING PARTLY COVERED WITH TIMBER. <p>TO REACH, FROM THE U.S. POST OFFICE IN CANBY, GO WEST, ON U.S. HIGHWAY 299, FOR 0.6 MILE TO JUNCTION. TURN RIGHT, ON STATE HIGHWAY 139, AND GO NORTH 30.7 MILES TO SIDE ROAD RIGHT. TURN RIGHT, ON GRAVELED ROAD, AND GO EAST 5.1 MILES TO FORKS. TAKE RIGHT FORK, AS PER SIGN DOUBLE HEAD RANCH 4.2, AND GO EAST 0.2 MILE TO THE AZIMUTH MARK, CONTINUE, AND GO EAST 3.2 MILES TO SMALL OPEN SPOT IN TIMBER. TURN LEFT, ACROSS COUNTRY, AND GO NORTH, INTO CANYON 0.5 MILE. THENCE PACK UP CANYON, AND GO NORTH TO TOP OF SADDLE. THENCE NORTHWEST ALONG TOP OF RIDGE TO HIGHEST POINT AND THE STATION SITE. <p>THE STATION MARK IS A STANDARD DISK, STAMPED DOUBLE HEAD 1948, SET INTO A DRILL HOLE IN A BOULDER WHICH PROJECTS ABOUT 6 INCHES. <p>REFERENCE MARK NUMBER 1 IS A STANDARD DISK, STAMPED DOUBLE HEAD NO 1 1948, SET INTO A DRILL HOLE IN A BOULDER WHICH PROJECTS ABOUT 3 FEET AND IS ABOUT THE SAME ELEVATION AS THE STATION. <p>REFERENCE MARK NUMBER 2 IS A STANDARD DISK, STAMPED DOUBLE HEAD NO 2 1948, SET INTO A DRILL HOLE IN A BOULDER WHICH PROJECTS ABOUT 18 INCHES AND IS ABOUT THE SAME ELEVATION AS THE STATION. <p>THE AZIMUTH MARK IS A STANDARD DISK, STAMPED DOUBLE HEAD 1948, SET INTO A DRILL HOLE IN A BOULDER WHICH PROJECTS ABOUT 4 INCHES. LOCATED ALONG THE DOUBLE HEAD RANCH ROAD AND ABOUT 20 FEET WEST OF THE DIRT ROAD. MW0156E 136 RESET 1936http://www.geocaching.com/mark/details.asp?PID=MW0156E 136 RESET 1936GeocacheGeocacheE 136 RESET 1936CADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>E 136 RESET 1936</h1> <b> PID </b> MW0156 <br> <b> STATE/COUNTY</b> CA/MODOC <br> <b> USGS QUAD </b> ADIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 12 56. (N) 120 55 48. (W) SCALED <br> <b> NAVD 88 </b> 1284.64 (meters) 4214.7 (feet) RESET <br> <hr> <b> GEOID HEIGHT</b> -22.71 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> THIRD <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was computed from unverified reset data. No vertical observational check was made to the station. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 709,550. </td><td> 2,089,720. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1283.61 (m) 4211.3 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFL735647(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: E 136 RESET 1936 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1936 </td><td>MONUMENTED </td><td>CADH</td></tr><tr><td>19870107</td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CA DIV OF HIGHWAYS 1936 1.6 MI N FROM ADIN. 1.6 MILES NORTH ALONG U.S. HIGHWAY 299 FROM ADIN, MODOC COUNTY, IN FRONT OF THE HARPER RANCH HOUSE, AT A CONCRETE CULVERT, IN THE TOP OF THE NORTHEAST CORNER OF THE HEADWALL. A STANDARD DISK, STAMPED E 136 RESET 1936. NOTE-- THIS BENCH MARK WAS ESTABLISHED BY ENGINEERS OF THE STATE DIVISION OF HIGHWAYS IN JULY 1936. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1987 (DBK) RECOVERED IN GOOD CONDITION. MW0078E 159http://www.geocaching.com/mark/details.asp?PID=MW0078E 159GeocacheGeocacheE 159