Benchmark file generated by bmgpxbmgpx by Ron Parkerbmgpx@parkrrrr.comAE871718 Mhttp://www.geocaching.com/mark/details.asp?PID=AE871718 MGeocacheGeocache18 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>18 M</h1> <b> PID </b> AE8717 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> PINE CREEK VALLEY (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 40 34 21.33625(N) 121 04 27.92538(W) ADJUSTED <br> <b> NAVD 88 </b> 1719.7 (meters) 5642. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,504,821.601 (meters) COMP <br> <b> Y </b> -4,156,484.103 (meters) COMP <br> <b> Z </b> 4,127,589.979 (meters) COMP <br> <b> LAPLACE CORR</b> 1.85 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 1696.89 (meters) (04/22/98) GPS OBS <br> <b> GEOID HEIGHT</b> -22.92 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> ELLP ORDER </b> FOURTH CLASS I <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 1998. 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> 638,017.883 2</td><td>078,365.499</td><td> MT </td><td>0.99990508</td><td> +0 ' 36 18.8"</td></tr><tr><td>SPC CA 1 </td><td>2,093,230.34 6</td><td>818,770.81 </td><td> sFT </td><td>0.99990508</td><td> +0 ' 36 18.8"</td></tr><tr><td>UTM 10 </td><td>4,493,094.387 </td><td>662,990.286</td><td> MT </td><td>0.99992701</td><td> +1 ' 15 09.7"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99973388 x 0.99990508 = 0.99963899 <br> <b>UTM 10 </b> 0.99973388 x 0.99992701 = 0.99966091 <br> <p> <h2>Superseded Survey Control</h2>
<p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TFK6299093094(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>STAMPING: 18 M 1932 <br>MARK LOGO: USGS <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, 1993 <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>USGS</td></tr><tr><td>19930630</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1993 (JRL) THE STATION IS LOCATED NEAR THE BOGARD SAFETY REST AREA ON STATE HIGHWAY 44, ABOUT 27 MI (43.5 KM) EAST OF THE NORTH ENTRANCE STATION OF LASSEN VOLCANIC NATIONAL PARK AND 25 MI (40.2 KM) NORTHWEST OF SUSANVILLE. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAYS 36 AND 44, ABOUT 6 MI (9.7 KM) WEST OF SUSANVILLE, GO NORTHWEST ON HIGHWAY 44 FOR 18.0 MI (29.0 KM) TO THE INTERSECTION WITH LASSEN COUNTY ROAD A-21. CONTINUE NORTHWEST ON HIGHWAY 44 FOR 3.4 MI (5.5 KM) TO A TRACK ROAD LEFT AND THE STATION IN THE SOUTHEAST QUADRANT OF THE INTERSECTION AT POST MILE 15.85. THE STATION IS 1.35 MI (2.17 KM) SOUTHEAST OF THE BOGARD SAFETY REST AREA. THE STATION IS A USGS BENCH MARK DISK SET FLUSH IN A PARTIALLY EXPOSED LAVA BOULDER, 50.6 FT (15.4 M) SOUTHWEST OF THE CENTERLINE OF HIGHWAY 44, 5.4 FT (1.6 M) NORTHWEST OF A METAL WITNESS POST AND 5.0 FT (1.5 M) NORTHWEST OF A CARSONITE WITNESS POST. THE STATION WAS OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION SURVEY. LT01204290.5 USGShttp://www.geocaching.com/mark/details.asp?PID=LT01204290.5 USGSGeocacheGeocache4290.5 USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>4290.5 USGS</h1> <b> PID </b> LT0120 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> SUSANVILLE (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 25 09. (N) 120 39 51. (W) SCALED <br> <b> NAVD 88 </b> 1307.622 (meters) 4290.09 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.98 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1306.596 (meters) 4286.72 (feet) COMP <br> <b> MODELED GRAV</b> 979,795.1 (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. WARNING-Repeat measurements at this control monument indicate possible vertical movement. <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> 621,430. </td><td> 2,113,360. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1306.577 (m) 4286.66 (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: 10TFK981769(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: SUN DIAL <br>STAMPING: 4286.776 <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>USGS</td></tr><tr><td>1947 </td><td>POOR </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1947 AT SUSANVILLE. NEW DESCRIPTION-- AT THE WEST END OF MAIN STREET, AT A POINT WHERE THE STREET FORKS, A BRASS KNOB ON THE NORTH EDGE OF THE PLATE OF A SUN DIAL. NOTE-- MARK IS OF LITTLE VALUE AS THE MONUMENT SUPPORTING THE SUN DIAL HAS BEEN KNOCKED LOOSE, PRESUMABLY BY HEAVY TRAFFIC. MW01904434.5 USFShttp://www.geocaching.com/mark/details.asp?PID=MW01904434.5 USFSGeocacheGeocache4434.5 USFSUSDAUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>4434.5 USFS</h1> <b> PID </b> MW0190 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> LETTERBOX HILL (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 05 20. (N) 120 54 37. (W) SCALED <br> <b> NAVD 88 </b> 1352.750 (meters) 4438.15 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.77 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1351.754 (meters) 4434.88 (feet) COMP <br> <b> MODELED GRAV</b> 979,840.3 (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> 695,500. </td><td> 2,091,550. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1351.701 (m) 4434.71 (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: 10TFL755507(NAD 83) <br>MARKER: N = NAIL <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>USDA</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 14.8 MI SE FROM BIEBER. 14.8 MILES SOUTHEAST ALONG THE ROAD LEADING TO SUSANVILLE FROM THE POST OFFICE AT BIEBER, LASSEN COUNTY, 20 FEET SOUTHWEST OF THE CENTERLINE OF THE ROAD, IN THE WEST ROOT OF A 40-INCH PINE TREE PAINTED FSBM 4434.5 AND NEAR A WHITE WOODEN WITNESS POST. A LARGE NAIL. LT01124671.74 CAHDhttp://www.geocaching.com/mark/details.asp?PID=LT01124671.74 CAHDGeocacheGeocache4671.74 CAHDCADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>4671.74 CAHD</h1> <b> PID </b> LT0112 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> ROOP MOUNTAIN (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 23 49. (N) 120 46 56. (W) SCALED <br> <b> NAVD 88 </b> 1423.89 (+/-2cm) 4671.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -22.83 (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> 618,820. </td><td> 2,103,380. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1422.842 (m) 4668.11 (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: 10TFK882741(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: PINE TREE <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>CADH</td></tr><tr><td>1934 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1934 7.1 MI SW FROM SUSANVILLE. 7.1 MILES SOUTHWEST ALONG STATE HIGHWAY 36 FROM SUSANVILLE, LASSEN COUNTY, 40 FEET NORTHWEST OF THE NORTHWEST CORNER OF THE BRIDGE OVER SUSAN RIVER, 53 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, AND IN THE SOUTH SIDE OF A 3-FOOT YELLOW PINE TREE. A TRACK SPIKE. LT01154814.64 CAHDhttp://www.geocaching.com/mark/details.asp?PID=LT01154814.64 CAHDGeocacheGeocache4814.64 CAHDCADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>4814.64 CAHD</h1> <b> PID </b> LT0115 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> SUSANVILLE (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 25 12. (N) 120 42 14. (W) SCALED <br> <b> NAVD 88 </b> 1467.48 (+/-2cm) 4814.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -22.92 (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> 621,470. </td><td> 2,109,990. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1466.422 (m) 4811.09 (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: 10TFK947769(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: PINE TREE <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>CADH</td></tr><tr><td>1934 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1934 2.4 MI W FROM SUSANVILLE. 2.4 MILES WEST ALONG STATE HIGHWAY 36 FROM SUSANVILLE, LASSEN COUNTY, ABOUT 200 FEET SOUTH OF THE STATE QUARANTINE STATION, 75 FEET SOUTHEAST OF THE JUNCTION OF A ROAD LEADING NORTHWEST TO EAGLE LAKE, AND IN THE WEST SIDE OF A 24-INCH PINE TREE. A COPPER PLUG. LT01094821.15 CAHDhttp://www.geocaching.com/mark/details.asp?PID=LT01094821.15 CAHDGeocacheGeocache4821.15 CAHDCADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>4821.15 CAHD</h1> <b> PID </b> LT0109 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> ROOP MOUNTAIN (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 22 36. (N) 120 48 47. (W) SCALED <br> <b> NAVD 88 </b> 1469.45 (+/-2cm) 4821.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -22.79 (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> 616,530. </td><td> 2,100,790. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1468.387 (m) 4817.53 (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: 10TFK856718(NAD 83) <br>MARKER: N = NAIL <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: PINE TREE <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>CADH</td></tr><tr><td>1934 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1934 9.2 MI SW FROM SUSANVILLE. 9.2 MILES SOUTHWEST ALONG STATE HIGHWAY 36 FROM SUSANVILLE, LASSEN COUNTY, IN A THICK CLUMP OF TREES, 55 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, AND IN A 12-INCH PINE TREE. A NAIL. THIS SBM WAS SAID TO BE A NAIL ON A PINE TREE. IT WAS NOTICED THAT IN THE VICINITY OF SAID SBM THE OLD HIGHWAY HAD BEEN REALINGED AND THAT MUCH OF THE LAND HAD BEEN CLEARED AND LEVELED. THE AREA NO LONGER RESEMBLES THE DESCRIPTION LOCATION. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 MARK NOT FOUND. LT01084878.16 CAHDhttp://www.geocaching.com/mark/details.asp?PID=LT01084878.16 CAHDGeocacheGeocache4878.16 CAHDCADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>4878.16 CAHD</h1> <b> PID </b> LT0108 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> FREDONYER PASS (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 22 24. (N) 120 49 17. (W) SCALED <br> <b> NAVD 88 </b> 1486.65 (+/-2cm) 4877.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -22.78 (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> 616,150. </td><td> 2,100,090. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1485.585 (m) 4873.96 (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: 10TFK849714(NAD 83) <br>MARKER: N = NAIL <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: PINE TREE <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>CADH</td></tr><tr><td>1934 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1934 9.7 MI SW FROM SUSANVILLE. 9.7 MILES SOUTHWEST ALONG STATE HIGHWAY 36 FROM SUSANVILLE, LASSEN COUNTY, AT THE FOOT OF A LONG GRADE, 40 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY, AND IN A 3-FOOT PINE TREE. A NAIL. THIS SBM IS SAID TO BE A NAIL IN A PINE TREE. IN THE AREA IT WAS NOTICED THAT A NEW HIGHWAY HAS BEEN CONSTRUCTED AND THAT THE OLD HIGHWAY IS NOW ABANDONED. ALSO, QUITE A FEW TREES HAVE BEEN CLEARED OR CUT DOWN IN THE SAME VICINITY. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1974 MARK NOT FOUND. MW01854893.4 USFShttp://www.geocaching.com/mark/details.asp?PID=MW01854893.4 USFSGeocacheGeocache4893.4 USFSUSFSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>4893.4 USFS</h1> <b> PID </b> MW0185 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> LANE RESERVOIR (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 01 09. (N) 120 51 11. (W) SCALED <br> <b> NAVD 88 </b> 1492.673 (meters) 4897.21 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.63 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1491.528 (meters) 4893.45 (feet) COMP <br> <b> MODELED GRAV</b> 979,804.6 (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> 687,820. </td><td> 2,096,460. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1491.594 (m) 4893.67 (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: 10TFL805431(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <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>UNK </td><td>MONUMENTED </td><td>USFS</td></tr><tr><td>1940 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19870113</td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1940 20.8 MI SE FROM BIEBER. 20.8 MILES SOUTHEAST ALONG THE ROAD LEADING TO SUSANVILLE FROM THE POST OFFICE AT BIEBER, LASSEN COUNTY, ABOUT 200 FEET WEST OF THE JUNCTION OF THE ROAD LEADING TO HAYDEN HILL, 135 FEET SOUTHWEST OF THE CENTERLINE OF THE ROAD LEADING TO SUSANVILLE, 135 FEET SOUTHEAST OF AN OLD MILL, 90 FEET SOUTHWEST OF THE CENTERLINE OF WILLOW CREEK, IN THE TOP OF A ROCK OUTCROP PAINTED USFS 4893.4, ABOUT 3 FEET ABOVE THE GROUND, AND NEAR A WHITE WOODEN WITNESS POST. THE TOP OF AN IRON ROD. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1987 (DBK) RECOVERED IN GOOD CONDITION. LT00985117.49 CAHDhttp://www.geocaching.com/mark/details.asp?PID=LT00985117.49 CAHDGeocacheGeocache5117.49 CAHDCADHUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>5117.49 CAHD</h1> <b> PID </b> LT0098 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> WESTWOOD EAST (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 18 53. (N) 120 59 55. (W) SCALED <br> <b> NAVD 88 </b> 1559.44 (+/-2cm) 5116.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -23.02 (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> 609,460. </td><td> 2,085,110. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1558.400 (m) 5112.85 (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: 10TFK700646(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: PINE TREE ROOT <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>CADH</td></tr><tr><td>1934 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1934 0.9 MI N FROM WESTWOOD. 0.9 MILE NORTH ALONG STATE HIGHWAY 36 FROM WESTWOOD, LASSEN COUNTY, 120 FEET EAST OF THE WESTERN PACIFIC RAILROAD TRACK, 40 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, AND IN THE ROOT OF A 2-FOOT PINE TREE. A BOAT SPIKE. LT06106072http://www.geocaching.com/mark/details.asp?PID=LT06106072GeocacheGeocache6072CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>6072</h1> <b> PID </b> LT0610 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> DIXIE PEAK (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 40 55 01.82764(N) 121 05 35.57316(W) ADJUSTED <br> <b> NAVD 88 </b> 1853. (meters) 6079. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 5.07 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -23.21 (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> 676,260.635 2</td><td>076,378.634</td><td> MT </td><td>0.99989566</td><td> +0 ' 35 34.6"</td></tr><tr><td>SPC CA 1 </td><td>2,218,698.43 6</td><td>812,252.24 </td><td> sFT </td><td>0.99989566</td><td> +0 ' 35 34.6"</td></tr><tr><td>UTM 10 </td><td>4,531,313.006 </td><td>660,568.406</td><td> MT </td><td>0.99991733</td><td> +1 ' 14 56.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99971305 x 0.99989566 = 0.99960874 <br> <b>UTM 10 </b> 0.99971305 x 0.99991733 = 0.99963040 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 40 55 01.83413(N) 121 05 35.58657(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 40 55 02.23300(N) 121 05 31.70400(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: 10TFL6056831313(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> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 SEE STATION DIXIE AD880872 JDhttp://www.geocaching.com/mark/details.asp?PID=AD880872 JDGeocacheGeocache72 JDUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>72 JD</h1> <b> PID </b> AD8808 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> CHERRY MOUNTAIN (1989) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 40 31 00.20111(N) 120 03 07.31743(W) ADJUSTED <br> <b> NAVD 88 </b> 1450.3 (meters) 4758. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,432,175.765 (meters) COMP <br> <b> Y </b> -4,203,830.841 (meters) COMP <br> <b> Z </b> 4,122,699.219 (meters) COMP <br> <b> LAPLACE CORR</b> 0.60 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 1427.61 (meters) (07/01/97) GPS OBS <br> <b> GEOID HEIGHT</b> -22.83 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> ELLP ORDER </b> FOURTH CLASS I <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in July 1997. 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> 633,235.128 2</td><td>165,055.374</td><td> MT </td><td>0.99990999</td><td> +1 ' 16 25.5"</td></tr><tr><td>SPC CA 1 </td><td>2,077,538.92 7</td><td>103,185.84 </td><td> sFT </td><td>0.99990999</td><td> +1 ' 16 25.5"</td></tr><tr><td>UTM 10 </td><td>4,489,287.052 </td><td>749,747.992</td><td> MT </td><td>1.00036784</td><td> +1 ' 54 58.3"</td></tr><tr><td>UTM 11 </td><td>4,489,587.273 </td><td>241,434.445</td><td> MT </td><td>1.00042303</td><td> -1 ' 59 02.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99977610 x 0.99990999 = 0.99968611 <br> <b>UTM 10 </b> 0.99977610 x 1.00036784 = 1.00014386 <br> <b>UTM 11 </b> 0.99977610 x 1.00042303 = 1.00019904 <br> <p> <h2>Superseded Survey Control</h2>
<p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TGK4974889287(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 72 JD 1953 <br>MARK LOGO: USGS <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 15, 1996 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1953 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>19960515</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1996 (JRL) THE STATION IS ON THE SOUTH SIDE OF SMOKE CREEK RANCH ROAD, ABOUT 32 MI (51.5 KM) EAST-NORTHEAST OF SUSANVILLE, 25 MI (40.2 KM) NORTH OF HERLONG AND 3 MI (4.8 KM) WEST OF THE CALIFORNIA-NEVADA STATE LINE. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAYS 36 AND 139 IN SUSANVILLE, GO EAST ON HIGHWAY 36 FOR 4.0 MI (6.4 KM) TO THE JUNCTION WITH US HIGHWAY 395. TURN LEFT AND GO NORTH ON HIGHWAY 395 FOR 15.8 MI (25.4 KM) TO THE INTERSECTION WITH WENDEL ROAD. CONTINUE NORTH ON HIGHWAY 395 FOR 5.1 MI (8.2 KM) TO A RAILROAD CROSSING. CONTINUE NORTH ON HIGHWAY 395 FOR 0.05 MI (0.08 KM) TO SMOKE CREEK RANCH ROAD (COUNTY ROAD 338) ON THE RIGHT. TURN RIGHT AND GO EAST AND NORTH ON SMOKE CREEK RANCH ROAD FOR 8.6 MI (13.8 KM) TO A CATTLE GUARD. CONTINUE EAST AND NORTH ON SMOKE CREEK RANCH ROAD FOR 1.6 MI (2.6 KM) TO A Y-INTERSECTION. BEAR LEFT AND CONTINUE EAST AND NORTH ON SMOKE CREEK RANCH ROAD FOR 2.1 MI (3.4 KM) TO A BLM ROAD RIGHT. CONTINUE EAST AND NORTH ON SMOKE CREEK RANCH ROAD FOR 1.7 MI (2.7 KM) TO A STOCK POND ON THE RIGHT AND A DIRT TRACK LEFT. CONTINUE EAST AND NORTH ON SMOKE CREEK RANCH ROAD FOR 0.5 MI (0.8 KM) TO THE STATION ON THE RIGHT. THE STATION IS A USGS BENCHMARK DISK SET IN THE TOP OF A CONCRETE POST, 21.6 M (70.9 FT) WEST OF AN ACCESS ROAD TO A BURIED CABLE LINE, 11.2 M (36.7 FT) SOUTH OF THE CENTERLINE OF SMOKE CREEK RANCH ROAD AND 1.0 M (3.3 FT) NORTH OF A CARSONITE WITNESS POST. THE STATION WAS OCCUPIED AS A PART OF A CALIFORNIA HPGN DENSIFICATION SURVEY. MW0151A 136http://www.geocaching.com/mark/details.asp?PID=MW0151A 136GeocacheGeocacheA 136CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 136</h1> <b> PID </b> MW0151 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> ADIN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 10 19. (N) 120 58 48. (W) SCALED <br> <b> NAVD 88 </b> 1284.479 (meters) 4214.16 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.95 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1283.558 (meters) 4211.14 (feet) COMP <br> <b> MODELED GRAV</b> 979,862.1 (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> 704,650. </td><td> 2,085,590. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1283.440 (m) 4210.75 (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: 10TFL694598(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: 4210.681 A 136 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><tr><td>19870107</td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 2.9 MI SW FROM ADIN. IN LASSEN COUNTY, 2.9 MILES SOUTHWEST ALONG U.S. HIGHWAY 299 FROM ADIN, MODOC COUNTY, DIRECTLY IN FRONT OF THE WEIGAND RANCH HOUSE, 38 FEET SOUTHEAST OF THE CENTERLINE OF THE HIGHWAY, AND 150 FEET SOUTHWEST OF A FENCE CORNER. A STANDARD DISK, STAMPED 4210.681 A 136 1932 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 9 INCHES ABOVE GROUND. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1987 (DBK) RECOVERED IN GOOD CONDITION. LT0289A 140http://www.geocaching.com/mark/details.asp?PID=LT0289A 140GeocacheGeocacheA 140CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 140</h1> <b> PID </b> LT0289 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> WESTWOOD WEST (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 17 20. (N) 121 02 05. (W) SCALED <br> <b> NAVD 88 </b> 1535.567 (meters) 5037.94 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -23.15 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1534.268 (meters) 5033.68 (feet) COMP <br> <b> MODELED GRAV</b> 979,725.2 (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> 606,560. </td><td> 2,082,070. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1534.479 (m) 5034.37 (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: 10TFK670616(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>STAMPING: 5034.307 A 140 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 SW FROM WESTWOOD. 2.4 MILES SOUTHWEST ALONG THE WESTERN PACIFIC RAILROAD FROM WESTWOOD, LASSEN COUNTY, OPPOSITE MILEPOST 37, ABOUT 100 FEET SOUTH OF A CUT, 47 FEET NORTHEAST OF THE CENTERLINE OF THE TRACK, AND IN A LARGE BLACK BOULDER. A STANDARD DISK, STAMPED 5034.307 A 140 1932. LT0137A 141http://www.geocaching.com/mark/details.asp?PID=LT0137A 141GeocacheGeocacheA 141CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 141</h1> <b> PID </b> LT0137 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> JANESVILLE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 21 27. (N) 120 33 47. (W) SCALED <br> <b> NAVD 88 </b> 1261.613 (meters) 4139.14 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -23.17 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1260.608 (meters) 4135.84 (feet) COMP <br> <b> MODELED GRAV</b> 979,785.3 (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> 614,720. </td><td> 2,122,050. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1260.569 (m) 4135.72 (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: 10TGK069702(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK LEDGE <br>STAMPING: 4135.832 A 141 1932 <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS 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>1932 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1947 </td><td>GOOD </td><td>NGS</td></tr><tr><td>20030910</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1947 5.3 MI NW FROM JANESVILLE. 5.3 MILES NORTHWEST ALONG U.S. HIGHWAY 395 FROM JANESVILLE, LASSEN COUNTY, 0.4 MILE SOUTHEAST OF SUGREN RANCH, ABOUT 300 FEET NORTHWEST OF A ROCK CRUSHER, 260 FEET NORTHWEST OF CULVERT C 355+75, 83 FEET NORTHEAST OF THE CENTER LINE OF THE HIGHWAY, ON THE NORTH BANK OF A DRY WASH, AND IN A ROCK LEDGE. A STANDARD DISK, STAMPED 4135.832 A 141 1932. <p> <h2>STATION RECOVERY (2003) </h2> <p>RECOVERY NOTE BY CALTRANS 2003 (JRL) RECOVERED IN GOOD CONDITION. LT0072A 142http://www.geocaching.com/mark/details.asp?PID=LT0072A 142GeocacheGeocacheA 142CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 142</h1> <b> PID </b> LT0072 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> DOYLE (1988) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 05 04. (N) 120 07 26. (W) SCALED <br> <b> NAVD 88 </b> 1281.769 (meters) 4205.27 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -23.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1280.709 (meters) 4201.79 (feet) COMP <br> <b> MODELED GRAV</b> 979,755.1 (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> 585,120. </td><td> 2,160,000. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1280.743 (m) 4201.90 (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: 10TGK452410(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: 4201.770 A 142 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>1934 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1934 4.1 MI NE FROM DOYLE. 4.1 MILES NORTHEAST ALONG THE WESTERN PACIFIC RAILROAD FROM DOYLE, LASSEN COUNTY, 2 POLES SOUTH OF MILEPOST 367, 51 FEET EAST OF THE TRACK, 75 FEET NORTH OF A JOG IN THE RIGHT-OF-WAY FENCE LINE, AND AT THE FENCE LINE. A STANDARD DISK, STAMPED 4201.770 A 142 1932 AND SET IN THE TOP OF A CONCRETE POST. LT0208A 257http://www.geocaching.com/mark/details.asp?PID=LT0208A 257GeocacheGeocacheA 257CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 257</h1> <b> PID </b> LT0208 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> SAID VALLEY (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 57 20. (N) 120 46 27. (W) SCALED <br> <b> NAVD 88 </b> 1740.929 (meters) 5711.70 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1739.505 (meters) 5707.03 (feet) COMP <br> <b> MODELED GRAV</b> 979,744.1 (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> 680,850. </td><td> 2,103,190. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1739.791 (m) 5707.96 (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: 10TFL873362(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 257 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 27.5 MI SE FROM BIEBER. 27.5 MILES SOUTHEAST ALONG THE ROAD LEADING TO SUSANVILLE FROM THE POST OFFICE AT BIEBER, LASSEN COUNTY, 30 FEET EAST OF A 30-INCH LONE PINE TREE, 23 FEET SOUTHWEST OF THE CENTERLINE OF THE ROAD, NEAR A WHITE WOODEN WITNESS POST, AND ABOUT 2 FEET LOWER THAN THE ROAD. A STANDARD DISK, STAMPED A 257 1935 AND SET IN THE TOP OF A CONCRETE POST. LT0176A 258http://www.geocaching.com/mark/details.asp?PID=LT0176A 258GeocacheGeocacheA 258CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 258</h1> <b> PID </b> LT0176 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> JOHNSTONVILLE (1988) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 27 30. (N) 120 34 50. (W) SCALED <br> <b> NAVD 88 </b> 1546.130 (meters) 5072.59 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.97 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1544.863 (meters) 5068.44 (feet) COMP <br> <b> MODELED GRAV</b> 979,751.3 (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> 625,890. </td><td> 2,120,380. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1545.036 (m) 5069.01 (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: 10TGK051814(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 258 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>1947 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1947 6.3 MI N FROM SUSANVILLE. 6.3 MILES NORTH ALONG THE ROAD LEADING TO BIEBER FROM THE COUNTY COURTHOUSE AT SUSANVILLE, ABOUT 200 YARDS SOUTH OF AN ABANDONED MINE, 66 FEET NORTH OF A 48-INCH PIPE CULVERT, AND 27 FEET WEST OF THE CENTERLINE OF THE ROAD. SET IN THE TOP OF A CONCRETE POST. USGS RECOVERED THIS MARK IN AUGUST 1953 WITH THE FOLLOWING REPORT-- THE CONCRETE POST WAS FOUND LEANING AT AN ANGLE OF ABOUT 45 DEGREES, AND IS VERY LOOSE. THE PRESENT POSITION OF THE MARK STILL FITS THE DESCRIPTION. LT0014A 838http://www.geocaching.com/mark/details.asp?PID=LT0014A 838GeocacheGeocacheA 838CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 838</h1> <b> PID </b> LT0014 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> WEST OF SNOWSTORM MTN (1989) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 39 51. (N) 120 24 54. (W) SCALED <br> <b> NAVD 88 </b> 1545.327 (meters) 5069.96 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.64 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1544.070 (meters) 5065.84 (feet) COMP <br> <b> MODELED GRAV</b> 979,756.8 (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> 648,980. </td><td> 2,134,010. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1544.165 (m) 5066.15 (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: 10TGL185046(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: OUTCROP <br>STAMPING: A 838 1947 <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>1947 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 10.9 MI S FROM RAVENDALE. ABOUT 10.9 MILES SOUTH ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE STATION AT RAVENDALE, ABOUT 0.9 MILE SOUTH OF HORSE LAKE, 5 RAILS NORTH OF A SIGN HORSE LAKE ONE MILE, 31.0 FEET EAST OF THE EAST RAIL, 18.0 FEET NORTHWEST OF MILEPOST NO. 387, 3.0 FEET EAST OF A WIRE FENCE, SET IN THE TOP OF A ROCK OUTCROP PROJECTING 2 FEET ABOVE THE GROUND AND ABOUT 6 FEET HIGHER THAN THE TRACK. LT0183A 843http://www.geocaching.com/mark/details.asp?PID=LT0183A 843GeocacheGeocacheA 843CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 843</h1> <b> PID </b> LT0183 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> TUNNISON MOUNTAIN (1989) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 30 08. (N) 120 33 44. (W) SCALED <br> <b> NAVD 88 </b> 1512.544 (meters) 4962.40 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.87 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1511.323 (meters) 4958.40 (feet) COMP <br> <b> MODELED GRAV</b> 979,764.7 (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> 630,790. </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 (??/??/??) 1511.451 (m) 4958.82 (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: 10TGK065863(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: A 843 1947 <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>1947 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 11.1 MI N FROM SUSANVILLE. ABOUT 11.1 MILES NORTH ALONG THE ROAD LEADING TO BIEBER FROM THE COURT HOUSE AT SUSANVILLE, 110.7 FEET WEST OF A NORTH-SOUTH FENCE LINE, 68.1 FEET NORTH OF THE CENTER LINE OF THE ROAD. SET IN THE TOP OF A LARGE OUTCROPPED ROCK AND ABOUT 2.0 FEET ABOVE THE GROUND. LT0052A 844http://www.geocaching.com/mark/details.asp?PID=LT0052A 844GeocacheGeocacheA 844CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 844</h1> <b> PID </b> LT0052 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> MILFORD (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 08 25. (N) 120 16 42. (W) SCALED <br> <b> NAVD 88 </b> 1237.824 (meters) 4061.09 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -23.39 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1236.820 (meters) 4057.80 (feet) COMP <br> <b> MODELED GRAV</b> 979,771.6 (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> 591,040. </td><td> 2,146,700. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1236.805 (m) 4057.75 (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: 10TGK318468(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: A 844 1947 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - February 13, 2002 <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>20020213</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1947 12.4 MI NW FROM DOYLE. ABOUT 6.4 MILES NORTHWEST ALONG OLD U.S. HIGHWAY NO. 395 FROM THE STATION AT DOYLE, THENCE 6.0 MILES NORTHWEST ALONG THE NEW U.S. HIGHWAY NO. 395, AT HIGHWAY STATION NO. D889-75, 30.9 FEET SOUTHWEST OF THE CENTER LINE OF THE HIGHWAY, 27.7 FEET NORTHWEST OF A DIRT ROAD LEADING SOUTH TO A WHITE FARM HOUSE, SET ON TOP AND AT THE NORTHWEST END OF THE SOUTH CONCRETE HEADWALL OF A LARGE CULVERT OVER A DRY WASH. <p> <h2>STATION RECOVERY (2002) </h2> <p>RECOVERY NOTE BY CALTRANS 2002 (JRL) RECOVERED IN GOOD CONDITION. LT0029A 95http://www.geocaching.com/mark/details.asp?PID=LT0029A 95GeocacheGeocacheA 95CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>A 95</h1> <b> PID </b> LT0029 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> KARLO (1989) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 40 33 13. (N) 120 18 57. (W) SCALED <br> <b> NAVD 88 </b> 1353.463 (meters) 4440.49 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -22.88 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1352.410 (meters) 4437.03 (feet) COMP <br> <b> MODELED GRAV</b> 979,799.8 (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> 636,870. </td><td> 2,142,630. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 1352.398 (m) 4436.99 (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: 10TGK272926(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <br>STAMPING: A 95 1931 <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>1931 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1931 AT KARLO. AT KARLO, LASSEN COUNTY, ON THE SOUTHERN PACIFIC CO. RAILROAD, ABOUT 600 FEET NORTH OF THE STATION SIGN, AT BRIDGE 374 B, AND IN THE TOP OF THE SOUTHEAST ABUTMENT. A STANDARD DISK, STAMPED A 95 1931. LT0567ANDERSONhttp://www.geocaching.com/mark/details.asp?PID=LT0567ANDERSONGeocacheGeocacheANDERSONCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ANDERSON</h1> <b> PID </b> LT0567 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> ANDERSON MOUNTAIN (1989) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 40 59 35.03257(N) 120 36 15.52647(W) ADJUSTED <br> <b> NAVD 88 </b> 2056.6 (meters) 6747. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 1.11 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.42 (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> 685,227.577 2</td><td>117,421.806</td><td> MT </td><td>0.99989842</td><td> +0 ' 54 45.4"</td></tr><tr><td>SPC CA 1 </td><td>2,248,117.48 6</td><td>946,908.04 </td><td> sFT </td><td>0.99989842</td><td> +0 ' 54 45.4"</td></tr><tr><td>UTM 10 </td><td>4,540,751.521 </td><td>701,510.371</td><td> MT </td><td>1.00009980</td><td> +1 ' 34 19.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99968102 x 0.99989842 = 0.99957947 <br> <b>UTM 10 </b> 0.99968102 x 1.00009980 = 0.99978079 <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> MADELINE SO PACIFIC RR TK </td><td>059° 18' 35.1"</td></tr><tr><td>UTM 10 </td><td> MADELINE SO PACIFIC RR TK </td><td>058° 39' 01.2"</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>MW0761</td><td>MADELINE SO PACIFIC RR TK </td><td>APPROX.12.4 KM</td><td>060° 13' 20.5"</td></tr><tr><td>DB6165</td><td>ANDERSON AZ MK </td><td> </td><td>096° 04' 55.7"</td></tr><tr><td>DB6166</td><td>ANDERSON RM 1 </td><td> 16.110 METERS</td><td>105° 13' </td></tr><tr><td>DB6167</td><td>ANDERSON RM 2 </td><td> 6.187 METERS</td><td>185° 40' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 40 59 35.03971(N) 120 36 15.53988(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 40 59 35.41400(N) 120 36 11.70400(W) AD( ) 3 <br> NGVD 29 (07/19/86) 2055.4 (m) 6743. (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: 10TGL0151040752(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 SITE IS LOCATED ON A HIGH POINTED HILL KNOWN LOCALLY AS ANDERSON MOUNTAIN, AT THE WEST SIDE OF MADELINE PLAINS ABOUT 11 MILES NORTHWEST OF TERMO AND ABOUT 7.5 MILES SOUTHWEST OF MADELINE. THE STATION MARK IS ON THE HIGHEST PART OF THE HILL IN THE CENTER OF A 15 FOOT AREA OF ROCK OUTCROPPING AND SET FLUSH IN THE TOP OF A 1 BY 1 FOOT BOULDER PROJECTING 8 INCHES ABOVE THE SURFACE OF THE GROUND. IT IS 30 FEET ABOVE THE BRUSH LINE ON THE NORTHEAST END OF THE HILL, AND 10 FEET NORTH OF THE BRUSH LINE ON THE CREST OF THE HILL. STAMPED ANDERSON 1947. <p>REFERENCE MARK NO. 1 IS EAST OF THE STATION AND SET FLUSH IN THE TOP OF A 6 FOOT HIGH ROCK OUTCROPPING 3 FEET ABOVE THE SURFACE OF THE GROUND. IT IS ABOUT 10 FEET ABOVE THE BRUSH LINE ON THE EAST SLOPE OF THE HILL AND ABOUT 6 FEET LOWER THAN THE STATION MARK. STAMPED ANDERSON NO. 1 1947. <p>REFERENCE MARK NO. 2 IS SOUTH OF THE STATION AND SET IN A SMALL DEPRESSION IN A 1 BY 3 FOOT BOULDER PROJECTING 1 FOOT ABOVE THE SURFACE OF THE GROUND. IT IS 6 FEET SOUTHWEST OF THE NORTHERNMOST MOUNTAIN MAHOGANY TREE LEFT ON THE HILLTOP AND ON THE CENTER OF THE HILLTOP. STAMPED ANDERSON NO 2 1947. <p>THE AZIMUTH MARK IS EAST OF THE STATION AND SET FLUSH IN THE TOP OF A 30 FOOT HIGH ROCK OUTCROP. THIS OUTCROP IS APPROXIMATELY ONE-HALF OF THE WAY DOWN THE EAST SIDE OF THE MOUNTAIN AND IS THE HIGHEST VISIBLE POINT FROM THE ETT. THE MARK IS SET ON THE NORTH AND HIGHEST POINT OF THE ROCK OUTCROP AND IS STAMPED ANDERSON AZI NO 3 1947. <p>TO REACH FROM THE POST OFFICE IN MADELINE GO SOUTH ON U.S. HIGHWAY 395 FOR 2.8 MILES TURN RIGHT, WEST, FOR 3.4 MILES, TURN LEFT, SOUTH, FOR 3.0 MILES, TURN RIGHT, WEST, ACROSS CULTIVATED FIELD FOR 1.1 MILE TO CATTLE GUARD AND ROAD ON WEST SIDE OF FIELD. FROM HERE CONTINUE WEST FOR 0.9 MILE, TURN RIGHT ACROSS DEEP DITCH AND PAST OLD FARM HOUSES FOR 0.4 MILE TO ETT. FROM HERE PACK WESTERLY UP DRAW TO MOUNTAIN TOP AND STATION SITE. LT0594ANTELOPEhttp://www.geocaching.com/mark/details.asp?PID=LT0594ANTELOPEGeocacheGeocacheANTELOPECGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ANTELOPE</h1> <b> PID </b> LT0594 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> ANTELOPE MTN (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 40 35 32.83952(N) 120 54 37.63493(W) ADJUSTED <br> <b> NAVD 88 </b> 2341.1 (meters) 7681. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.28 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.81 (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> 640,382.730 2</td><td>092,220.180</td><td> MT </td><td>0.99990356</td><td> +0 ' 42 44.8"</td></tr><tr><td>SPC CA 1 </td><td>2,100,989.01 6</td><td>864,225.71 </td><td> sFT </td><td>0.99990356</td><td> +0 ' 42 44.8"</td></tr><tr><td>UTM 10 </td><td>4,495,615.778 </td><td>676,818.066</td><td> MT </td><td>0.99998485</td><td> +1 ' 21 35.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99963646 x 0.99990356 = 0.99954006 <br> <b>UTM 10 </b> 0.99963646 x 0.99998485 = 0.99962132 <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> ANTELOPE AZ MK </td><td>262° 23' 39.1"</td></tr><tr><td>UTM 10 </td><td> ANTELOPE AZ MK </td><td>261° 44' 48.0"</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>LT0595</td><td>ANTELOPE LOOKOUT TOWER 1948 </td><td> 21.730 METERS</td><td>138° 21' </td></tr><tr><td>DB6171</td><td>ANTELOPE RM 2 </td><td> 18.887 METERS</td><td>222° 39' </td></tr><tr><td>DB6169</td><td>ANTELOPE AZ MK </td><td> </td><td>263° 06' 23.9"</td></tr><tr><td>DB6170</td><td>ANTELOPE RM 1 </td><td> 6.510 METERS</td><td>315° 41' </td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 40 35 32.84242(N) 120 54 37.63975(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 40 35 33.21500(N) 120 54 33.78300(W) AD( ) 2 <br> NGVD 29 (07/19/86) 2339.9 (m) 7677. (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: 10TFK7681895616(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>1969 </td><td>SEE DESCRIPTION </td><td>CADH</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 ANTELOPE MOUNTAIN, ABOUT 25 MILES NORTHEAST OF CHESTER, ABOUT 20 MILES NORTH NORTHEAST OF WESTWOOD, ABOUT 18 MILES NORTHWEST OF SUSANVILLE, AND ABOUT 25 FEET NORTH OF THE LOOKOUT ROAD. <p>TO REACH, FROM THE U.S. POST OFFICE IN SUSANVILLE, GO WEST, ON STATE HIGHWAY 36, FOR 5.3 MILES TO SIDE ROAD RIGHT. TURN RIGHT, AS PER SIGN MC ARTHUR 67, AND GO NORTHERLY 7.3 MILES TO CROSS ROADS. CONTINUE STRAIGHT AHEAD, AS PER SIGN MC ARTHUR 60, AND GO NORTHWEST 3.8 MILES. TURN RIGHT, AS PER SIGN MC ARTHUR 56, AND GO NORTHERLY 9.0 MILES TO SIDE ROAD RIGHT. TURN RIGHT, AS PER SIGN CAMP FLAT SUMMIT, AND GO EAST 0.4 MILES TO FORKS. TAKE LEFT FORK, AND GO EAST 2.7 MILES TO CATTLE GUARD AND THE AZIMUTH MARK. CONTINUE STRAIGHT AHEAD, AND GO EAST 0.2 MILES TO FORKS. TAKE RIGHT FORK, AND GO EASTERLY 4.0 MILES TO FORKS. TAKE RIGHT FORK, AND GO EAST 1.5 MILES TO FORKS. TAKE LEFT FORK, AND GO SOUTHEAST 0.1 MILE TO CROSS ROADS. CONTINUE STRAIGHT AHEAD, AS PER SIGN ANTELOPE L O 3 3/4, AND GO SOUTH 3.5 MILES TO THE ANTELOPE LOOKOUT HOUSE AND THE STATION SITE. <p>THE STATION MARK IS A STANDARD DISK, STAMPED ANTELOPE 1948, SET INTO A DRILL HOLE IN A BOULDER 9 FEET IN DIAMETER WHICH PROJECTS ABOUT 4 FEET AND IS 21 FEET NORTHWEST OF THE FLAG POLE. <p>REFERENCE MARK NUMBER 1 IS A STANDARD DISK, STAMPED ANTELOPE NO 1 1948, SET INTO A DRILL HOLE IN A BOULDER 3 FEET IN DIAMETER WHICH PROJECTS ABOUT 12 INCHES AND IS ABOUT 4 FEET LOWER THAN THE STATION. <p>REFERENCE MARK NUMBER 2 IS A STANDARD DISK, STAMPED ANTELOPE NO 2 1948, SET INTO A DRILL HOLE IN A BOULDER WHICH PROJECTS ABOUT 3 FEET AND IS ABOUT 3 FEET LOWER THAN THE STATION. <p>THE AZIMUTH MARK IS A STANDARD DISK, STAMPED ANTELOPE 1948, SET INTO A DRILL HOLE IN A CONCRETE BASE FOR A GATE POST WHICH PROJECTS ABOUT 4 INCHES. IT IS LOCATED ALONG THE CAMP FLAT SUMMIT ROAD AND WHERE THE ROAD PASSES THROUGH A WHITE CATTLE GUARD, ABOUT 30 FEET SOUTHEAST OF THE CATTLE GUARD, AND ABOUT 18 INCHES NORTHWEST OF THE GATE POST. <p>THE ANTELOPE LOOKOUT TOWER IS LOCATED ON THE HIGHEST POINT OF ANTELOPE MOUNTAIN, ABOUT 20 FEET SQUARE, 25 FEET HIGH, PAINTED WHITE AND GREEN, AND IS OF WOOD CONSTRUCTION. <p> <h2>STATION RECOVERY (1969) </h2> <p>RECOVERY NOTE BY CA DIV OF HIGHWAYS 1969 LOST <p>THE STATION SITE WAS VISITED IN 1968 BY A CALIFORNIA DIVISION OF HIGHWAYS PARTY. THE STATION AND ALL REFERENCE MARKS HAVE BEEN DESTROYED. A HELICOPTER LANDING SITE HAS BEEN GRADED NEAR THE LOOKOUT HOUSE. LT0595ANTELOPE LOOKOUT TOWER 1948http://www.geocaching.com/mark/details.asp?PID=LT0595ANTELOPE LOOKOUT TOWER 1948GeocacheGeocacheANTELOPE LOOKOUT TOWER 1948CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ANTELOPE LOOKOUT TOWER 1948</h1> <b> PID </b> LT0595 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> ANTELOPE MTN (1995) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 40 35 32.31307(N) 120 54 37.02086(W) ADJUSTED <br> <b> NAVD 88 </b> 2341. (meters) 7680. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.25 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.81 (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> 640,366.673 2</td><td>092,234.819</td><td> MT </td><td>0.99990357</td><td> +0 ' 42 45.2"</td></tr><tr><td>SPC CA 1 </td><td>2,100,936.33 6</td><td>864,273.74 </td><td> sFT </td><td>0.99990357</td><td> +0 ' 42 45.2"</td></tr><tr><td>UTM 10 </td><td>4,495,599.887 </td><td>676,832.886</td><td> MT </td><td>0.99998491</td><td> +1 ' 21 36.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99963645 x 0.99990357 = 0.99954005 <br> <b>UTM 10 </b> 0.99963645 x 0.99998491 = 0.99962136 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 40 35 32.31597(N) 120 54 37.02568(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 40 35 32.68900(N) 120 54 33.16900(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: 10TFK7683395600(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> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1948 SEE STATION ANTELOPE MW0783ASHhttp://www.geocaching.com/mark/details.asp?PID=MW0783ASHGeocacheGeocacheASHCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>ASH</h1> <b> PID </b> MW0783 <br> <b> STATE/COUNTY</b> CA/LASSEN <br> <b> USGS QUAD </b> ASH VALLEY (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 02 46.63292(N) 120 43 22.66777(W) ADJUSTED <br> <b> NAVD 88 </b> 1794.7 (meters) 5888. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 1.07 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -22.47 (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> 690,984.682 2</td><td>107,354.135</td><td> MT </td><td>0.99990141</td><td> +0 ' 50 06.1"</td></tr><tr><td>SPC CA 1 </td><td>2,267,005.58 6</td><td>913,877.69 </td><td> sFT </td><td>0.99990141</td><td> +0 ' 50 06.1"</td></tr><tr><td>UTM 10 </td><td>4,546,393.255 </td><td>691,375.272</td><td> MT </td><td>1.00005078</td><td> +1 ' 29 44.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99972208 x 0.99990141 = 0.99962352 <br> <b>UTM 10 </b> 0.99972208 x 1.00005078 = 0.99977284 <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> ASH AZ MK </td><td>147° 58' 53.4"</td></tr><tr><td>UTM 10 </td><td> ASH AZ MK </td><td>147° 19' 14.9"</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>CD6692</td><td>ASH RM 1 </td><td> 4.605 METERS</td><td>018° 22' </td></tr><tr><td>CD6693</td><td>ASH RM 2 </td><td> 5.879 METERS</td><td>129° 22' </td></tr><tr><td>CD6691</td><td>ASH AZ MK </td><td> </td><td>148° 48' 59.5"</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 02 46.64724(N) 120 43 22.67196(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 41 02 47.02700(N) 120 43 18.81600(W) AD( ) 3 <br> NGVD