Benchmark file generated by bmgpx bmgpx by Ron Parker bmgpx@parkrrrr.com KT1110 1 S RESET 1966 http://www.geocaching.com/mark/details.asp?PID=KT1110 1 S RESET 1966 Geocache Geocache 1 S RESET 1966 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1 S RESET 1966</h1> <b> PID </b> KT1110 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> WILLITS (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 24 46. (N) 123 20 48. (W) SCALED <br> <b> NAVD 88 </b> 414.81 (+/-2cm) 1360.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.66 (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The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value.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 2 </td><td> 694,690. </td><td> 1,884,040. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 413.89 (m) 1357.9 (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Superseded values are not recommended for survey control.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 See file dsdata.txt to determine how the superseded data were derived.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: 10SDJ701626(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <br>STAMPING: 1 S RESET 1966 <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>1966 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1966 AT WILLITS. AT WILLITS, 0.15 MILE EAST ALONG COMMERCIAL STREET FROM THE RAILROAD STATION, AT THE CONCRETE BRIDGE OVER BROADDUS CREEK, SET IN THE TOP OF THE WEST CONCRETE ABUTMENT, 26 FEET NORTH OF THE CENTERLINE OF COMMERCIAL STREET, 3.9 FEET NORTHEAST OF THE WEST END OF THE NORTH METAL GUARD RAIL, 0.7 FOOT NORTH OF THE NORTH SIDE OF THE BRIDGE, AND ABOUT 1 FOOT LOWER THAN THE STREET. KT1019 1083.00 NWPRR http://www.geocaching.com/mark/details.asp?PID=KT1019 1083.00 NWPRR Geocache Geocache 1083.00 NWPRR NWPRR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1083.00 NWPRR</h1> <b> PID </b> KT1019 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> LONGVALE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 36 43. (N) 123 22 55. (W) SCALED <br> <b> NAVD 88 </b> 330.66 (+/-2cm) 1084.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.36 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 716,840. </td><td> 1,881,340. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 329.732 (m) 1081.80 (f) ADJ UNCH 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: 10SDJ672847(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <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>NWPRR</td></tr><tr><td>1931 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1931 5.2 MI N FROM LONGVALE. 5.2 MILES NORTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT LONGVALE, MENDOCINO COUNTY, 21 POLES NORTH OF MILEPOST 157, OPPOSITE POLE 157/21, AND ON THE EAST SIDE OF THE TRACK. A RAILROAD SPIKE, IN THE TOP OF A 2-INCH IRON PIPE DRIVEN IN THE GROUND. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT1017 1091.12 NWPRR http://www.geocaching.com/mark/details.asp?PID=KT1017 1091.12 NWPRR Geocache Geocache 1091.12 NWPRR NWPRR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1091.12 NWPRR</h1> <b> PID </b> KT1017 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> LONGVALE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 36 37. (N) 123 22 57. (W) SCALED <br> <b> NAVD 88 </b> 333.13 (+/-2cm) 1092.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.37 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 716,660. </td><td> 1,881,280. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 332.204 (m) 1089.91 (f) ADJ UNCH 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: 10SDJ671845(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: SET IN 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>NWPRR</td></tr><tr><td>1931 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1931 4.7 MI N FROM LONGVALE. 4.7 MILES NORTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT LONGVALE, MENDOCINO COUNTY, 7 POLES NORTH OF MILEPOST 157, AT BRIDGE NO. 10 OVER OUTLET CREEK, AND AT THE SOUTH END OF THE EAST SIDE OF THE BRIDGE. A RAILROAD SPIKE, IN THE TOP OF A 2-INCH IRON PIPE DRIVEN IN THE GROUND. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT1029 12 S USGS http://www.geocaching.com/mark/details.asp?PID=KT1029 12 S USGS Geocache Geocache 12 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>12 S USGS</h1> <b> PID </b> KT1029 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> DOS RIOS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 43 01. (N) 123 21 11. (W) SCALED <br> <b> NAVD 88 </b> 283.25 (+/-2cm) 929.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.27 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 728,460. </td><td> 1,883,990. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 282.325 (m) 926.26 (f) ADJ UNCH 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: 10SDJ697964(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: BASE <br>STAMPING: 12 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 AT DOS RIOS. AT DOS RIOS, 106.4 FEET SOUTH-SOUTHWEST OF THE SOUTHWEST CORNER OF THE NORTHWESTERN PACIFIC RAILROAD STATION, IN THE TOP OF THE CONCRETE BASE OF THE SOUTHEAST STEEL LEG OF AN ELEVATED WATER TOWER, 69.7 FEET WEST OF THE WEST RAIL OF THE MAIN TRACK, 33 1/2 FEET WEST OF THE CENTER LINE OF AN ASPHALT ROAD, 5 FEET SOUTHEAST OF A WATER CONTROL VALVE, AND ABOUT 1 FOOT HIGHER THAN THE TRACK. KT1184 1315 USGS http://www.geocaching.com/mark/details.asp?PID=KT1184 1315 USGS Geocache Geocache 1315 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1315 USGS</h1> <b> PID </b> KT1184 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COW MOUNTAIN (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 11 43. (N) 123 02 33. (W) SCALED <br> <b> NAVD 88 </b> 401.71 (+/-2cm) 1317.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.39 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 670,200. </td><td> 1,909,950. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 400.836 (m) 1315.08 (f) ADJ UNCH 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: 10SDJ963384(NAD 83) <br>MARKER: Q = CHISELED SQUARE <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <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>1966 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1989 </td><td>POOR </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 8.9 MI NW FROM UPPER LAKE. 7.9 MILES NORTHWEST ALONG STATE HIGHWAY 20 FROM THE JUNCTION OF MAIN STREET AT UPPER LAKE, THENCE 1.0 MILE NORTHWEST ALONG AN ASPHALT ROAD (FORMER HIGHWAY), 0.1 MILE EAST OF THE JUNCTION OF THE HIGHWAY, 0.15 MILE EAST OF BENCH MARK J 112, IN THE TOP AND THE CENTER OF THE NORTH CONCRETE HEAD WALL OF A 12-INCH PIPE CULVERT, 19 FEET NORTH OF THE CENTER LINE OF THE ROAD, 21 FEET EAST OF THE EAST END OF A CUT, 1.5 FEET WEST OF THE EAST END OF THE HEAD WALL, AND ABOUT LEVEL WITH THE ROAD. <p> <h2>STATION RECOVERY (1989) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1989 (TM) MARK RECOVERED IN POOR CONDITION. KT0927 1396.4 USGS http://www.geocaching.com/mark/details.asp?PID=KT0927 1396.4 USGS Geocache Geocache 1396.4 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1396.4 USGS</h1> <b> PID </b> KT0927 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COVELO EAST (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 46 25. (N) 123 14 53. (W) SCALED <br> <b> NAVD 88 </b> 426.95 (+/-2cm) 1400.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.13 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 734,620. </td><td> 1,893,080. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 426.038 (m) 1397.76 (f) ADJ UNCH 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: 10SDK787026(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: FENCE POST <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>UNK </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 1.4 MI S FROM COVELO. 1.4 MILES SOUTH ALONG THE DOS RIOS ROAD FROM THE POST OFFICE AT COVELO, MENDOCINO COUNTY, ON THE WEST SIDE OF THE ROAD, AT THE WEST FENCE, NEAR A WHITE WOODEN WITNESS POST, AND IN THE FENCE-CORNER POST MARKED USBM 1396.4. AN IRON SPIKE. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT0908 14 S USGS http://www.geocaching.com/mark/details.asp?PID=KT0908 14 S USGS Geocache Geocache 14 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>14 S USGS</h1> <b> PID </b> KT0908 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> DOS RIOS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 42 40. (N) 123 18 44. (W) SCALED <br> <b> NAVD 88 </b> 423.73 (+/-2cm) 1390.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.18 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 727,760. </td><td> 1,887,480. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 422.801 (m) 1387.14 (f) ADJ UNCH 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: 10SDJ732957(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 14 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 3 MI E FROM DOS RIOS. 0.6 MILE SOUTHEAST ALONG A ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT DOS RIOS, THENCE 2.35 MILES EAST ALONG LONGVALE-COVELO ROAD, AT THE JUNCTION OF A DIRT ROAD, ON THE OUTSIDE OF A CURVE, 79 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, 42 FEET NORTHWEST AND ACROSS THE CREEK FROM THE CENTER LINE OF A DIRT ROAD, 9 FEET NORTHWEST OF THE NORTHWEST BANK OF THE CREEK, 2.0 FEET NORTHWEST OF A WITNESS POST, AND RIVETED ON THE TOP OF A 3 1/2-INCH IRON PIPE PROJECTING 0.3 FOOT ABOVE THE GROUND. KT0944 1430=CHISELED SQUARE http://www.geocaching.com/mark/details.asp?PID=KT0944 1430=CHISELED SQUARE Geocache Geocache 1430=CHISELED SQUARE USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1430=CHISELED SQUARE</h1> <b> PID </b> KT0944 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COVELO EAST (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 48 58. (N) 123 08 00. (W) SCALED <br> <b> NAVD 88 </b> 437.21 (+/-2cm) 1434.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.74 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 739,210. </td><td> 1,902,960. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 436.268 (m) 1431.32 (f) ADJ UNCH 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: 10SDK885073(NAD 83) <br>MARKER: Q = CHISELED SQUARE <br>SETTING: 80 = SET IN A BOULDER <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>UNK </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1940 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1940 9.6 MI NE FROM COVELO. 9.6 MILES NORTHEAST ALONG THE PASKENTA ROAD FROM THE POST OFFICE AT COVELO, MENDOCINO COUNTY, 51 FEET SOUTH OF THE CENTERLINE OF THE ROAD, 40 FEET SOUTH OF UNITED STATES FOREST SERVICE SIGN PINE RIDGE TRAIL, 15 FEET SOUTHWEST OF AN 18-INCH OAK TREE, AND ON THE SOUTHEAST CORNER OF A LARGE BOULDER (BM IS PAINTED ON THE BOULDER AND A RING IS PAINTED AROUND THE CHISELED SQUARE). A CHISELED SQUARE. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT0945 1435=RAILROAD SPIKE http://www.geocaching.com/mark/details.asp?PID=KT0945 1435=RAILROAD SPIKE Geocache Geocache 1435=RAILROAD SPIKE USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1435=RAILROAD SPIKE</h1> <b> PID </b> KT0945 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COVELO EAST (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 49 03. (N) 123 07 51. (W) SCALED <br> <b> NAVD 88 </b> 438.75 (+/-2cm) 1439.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.73 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 739,370. </td><td> 1,903,180. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 437.805 (m) 1436.37 (f) ADJ UNCH 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: 10SDK888075(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: 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>USGS</td></tr><tr><td>1940 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1940 9.8 MI NE FROM COVELO. 9.8 MILES NORTHEAST ALONG THE PASKENTA ROAD FROM THE POST OFFICE AT COVELO, MENDOCINO COUNTY, 50 FEET SOUTH OF THE CENTERLINE OF THE ROAD, NEAR A WHITE WOODEN WITNESS POST, AND IN A BLAZED AND PAINTED 60-INCH PINE TREE. A RAILROAD SPIKE. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT0914 15 S USGS http://www.geocaching.com/mark/details.asp?PID=KT0914 15 S USGS Geocache Geocache 15 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>15 S USGS</h1> <b> PID </b> KT0914 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> DOS RIOS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 42 50. (N) 123 16 08. (W) SCALED <br> <b> NAVD 88 </b> 537.37 (+/-2cm) 1763.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.13 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 728,020. </td><td> 1,891,200. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 536.444 (m) 1759.98 (f) ADJ UNCH 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: 10SDJ769960(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 15 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 6.7 MI E FROM DOS RIOS. 6.7 MILES EAST ALONG THE COVELO ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT DOS RIOS, MENDOCINO COUNTY, 35 FEET SOUTHWEST OF A WOODEN BRIDGE, 22 FEET SOUTHEAST OF THE CENTERLINE OF THE ROAD, 8 FEET SOUTHEAST OF A LINE OF TELEPHONE POLES, AND NEAR A WHITE WOODEN WITNESS POST. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 15 S 1924 AND RIVETED ON THE TOP OF A 3-1/2-INCH IRON PIPE. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT1406 157.51 CAHD http://www.geocaching.com/mark/details.asp?PID=KT1406 157.51 CAHD Geocache Geocache 157.51 CAHD CADH Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>157.51 CAHD</h1> <b> PID </b> KT1406 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COMPTCHE (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 20 59. (N) 123 33 42. (W) SCALED <br> <b> NAVD 88 </b> 101.81 (+/-2cm) 334.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.45 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 687,990. </td><td> 1,865,400. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 100.905 (m) 331.05 (f) ADJ UNCH 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: 10SDJ516557(NAD 83) <br>MARKER: N = NAIL <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: TREE <br>STAMPING: BM NO 3 157.51 <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>1942 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1965 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 17 MI SW FROM WILLITS. ABOUT 17 MILES SOUTHWEST ALONG THE FORT BRAGG ROAD (STATE HIGHWAY 20) FROM WILLITS, MENDOCINO COUNTY, 44 FEET WEST OF THE SOUTHWEST CORNER OF AN 18-FOOT WOODEN CULVERT, 22 FEET WEST OF A 15-FOOT TWIN REDWOOD TREE, 14 FEET SOUTH OF THE CENTERLINE OF THE ROAD, AND AT THE BASE OF A 2-FOOT REDWOOD STUMP MARKED BM NO 3 157.51. AN IRON NAIL. NOTE-- THIS BENCH MARK WAS SEARCHED FOR BUT NOT RECOVERED IN MAY 1942. IT WAS ORIGINALLY DESCRIBED AS BEING 18.6 MILES SOUTHWEST ALONG THE CASPER ROAD FROM WILLITS. <p> <h2>STATION RECOVERY (1965) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1965 MARK NOT FOUND. KT0917 16 S USGS http://www.geocaching.com/mark/details.asp?PID=KT0917 16 S USGS Geocache Geocache 16 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>16 S USGS</h1> <b> PID </b> KT0917 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> DOS RIOS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 43 31. (N) 123 15 32. (W) SCALED <br> <b> NAVD 88 </b> 590.43 (+/-2cm) 1937.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.12 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 729,270. </td><td> 1,892,080. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 589.504 (m) 1934.06 (f) ADJ UNCH 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: 10SDJ778972(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 16 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 6.1 MI S FROM COVELO. 6.1 MILES SOUTH ALONG THE DOS RIOS ROAD FROM THE POST OFFICE AT COVELO, MENDOCINO COUNTY, 34 FEET EAST OF THE SOUTHEAST CORNER OF A WOODEN BRIDGE, 27 FEET SOUTHEAST OF THE CENTERLINE OF THE ROAD, 14 FEET SOUTHEAST OF A BLAZED OAK TREE, AND NEAR A WHITE WOODEN WITNESS POST. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 16 S 1924 AND RIVETED ON THE TOP OF A 3-1/2-INCH IRON PIPE. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT0920 1770 USGS http://www.geocaching.com/mark/details.asp?PID=KT0920 1770 USGS Geocache Geocache 1770 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1770 USGS</h1> <b> PID </b> KT0920 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> DOS RIOS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 44 14. (N) 123 15 27. (W) SCALED <br> <b> NAVD 88 </b> 540.90 (+/-2cm) 1774.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.13 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 730,600. </td><td> 1,892,210. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 539.978 (m) 1771.58 (f) ADJ UNCH 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: 10SDJ779986(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: 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>USGS</td></tr><tr><td>1942 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 4.6 MI S FROM COVELO. 4.6 MILES SOUTH ALONG THE DOS RIOS ROAD FROM THE POST OFFICE AT COVELO, MENDOCINO COUNTY, NEAR A WHITE WOODEN WITNESS POST, AND IN THE ROOT OF A TREE. AN IRON SPIKE. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT0930 18 S USGS http://www.geocaching.com/mark/details.asp?PID=KT0930 18 S USGS Geocache Geocache 18 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>18 S USGS</h1> <b> PID </b> KT0930 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COVELO EAST (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 47 39. (N) 123 14 53. (W) SCALED <br> <b> NAVD 88 </b> 427.09 (+/-2cm) 1401.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.12 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 736,910. </td><td> 1,893,110. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 426.178 (m) 1398.22 (f) ADJ UNCH 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: 10SDK787049(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BUILDING <br>STAMPING: 18 S 1924 1398 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 AT COVELO. AT COVELO, AT THE SOUTHWEST CORNER OF THE INTERSECTION OF HOWARD STREET AND LONGVALE-COVELO ROAD, SET VERTICALLY IN THE NORTH FACE OF THE EAST END OF A BUILDING, 0.1 MILE EAST OF THE POST OFFICE, AND ABOUT 4 FEET ABOVE THE GROUND. KT0931 19 S USGS http://www.geocaching.com/mark/details.asp?PID=KT0931 19 S USGS Geocache Geocache 19 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>19 S USGS</h1> <b> PID </b> KT0931 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COVELO EAST (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 47 39. (N) 123 14 53. (W) SCALED <br> <b> NAVD 88 </b> 428.12 (+/-2cm) 1404.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.12 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 736,910. </td><td> 1,893,110. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 427.21 (m) 1401.6 (f) COMPUTED 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: 10SDK787049(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BUILDING <br>STAMPING: 19 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 AT COVELO. AT COVELO, MENDOCINO COUNTY, AT THE BANK OF COVELO, IN THE EAST WALL, 1 FOOT SOUTH OF THE NORTHEAST CORNER OF THE BUILDING, AND 4.2 FEET ABOVE THE SIDEWALK. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED 19 S 1924 AND SET VERTICALLY. NOTE-- BANK COVERED THE WALL WITH WOOD SIDING AND MARK IS BELIEVED COVERED. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT1111 2 S USGS http://www.geocaching.com/mark/details.asp?PID=KT1111 2 S USGS Geocache Geocache 2 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 S USGS</h1> <b> PID </b> KT1111 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> WILLITS (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 24 43. (N) 123 21 14. (W) SCALED <br> <b> NAVD 88 </b> 418.22 (+/-2cm) 1372.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.68 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 694,610. </td><td> 1,883,410. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 417.302 (m) 1369.10 (f) ADJ UNCH 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: 10SDJ695625(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: STEP <br>STAMPING: 1369.052 NO 2 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 AT WILLITS. AT WILLITS, IN THE CENTER OF THE CITY PARK, IN THE BLOCK BOUNDED BY COMMERCIAL, HUMBOLDT, STATE, AND MARIN STREETS, IN THE TOP OF THE LOWER CONCRETE STEP OF A 9-FOOT SQUARE CONCRETE BASE, 2.9 FEET EAST OF A METAL LIGHT POLE, 2.7 FEET WEST OF A WOODEN FLAGPOLE, AND 0.7 FOOT ABOVE THE GROUND. KT1072 20 S http://www.geocaching.com/mark/details.asp?PID=KT1072 20 S Geocache Geocache 20 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>20 S</h1> <b> PID </b> KT1072 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COVELO EAST (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 47 39. (N) 123 12 02. (W) SCALED <br> <b> NAVD 88 </b> 411.22 (+/-2cm) 1349.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.02 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 736,850. </td><td> 1,897,180. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 410.313 (m) 1346.17 (f) ADJ UNCH 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: 10SDK828049(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 20 S 1924 <br>MARK LOGO: USGS <br>MAGNETIC: O = OTHER; SEE DESCRIPTION <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19910624</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 2.5 MI E FROM COVELO. 2.5 MILES EAST ALONG EAST LANE FROM THE JUNCTION OF STATE HIGHWAY 7 AT COVELO, AT THE JUNCTION AND IN LINE WITH THE EXTENDED CENTER LINE OF A GRAVELED ROAD NORTH, 23 1/2 FEET SOUTH OF THE CENTER LINE OF THE LANE, 9 1/2 FEET EAST OF A T JUNCTION POWER POLE, 2.5 FEET NORTH OF A FENCE, ABOUT LEVEL WITH THE LANE, AND RIVETED ON THE TOP OF AN IRON PIPE PROJECTING 0.4 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1991) </h2> <p>RECOVERY NOTE BY CALTRANS 1991 2.5 MI (4.0 KM) EAST ALONG EAST LANE RD (COUNTY RD 327C) FROM THE JUNCTION OF STATE HIGHWAY 7 AT COVELO, AT THE JUNCTION AND IN LINE WITH THE EXTENDED CENTER LINE OF SHORT CREEK RD (COUNTY RD 339) NORTH, 23.5 FT (7.2 M) SOUTH OF THE CENTER LINE OF THE LANE, 9.5 FT (2.9 M) EAST OF A T-JUNCTION POWER POLE, 2.5 FT (0.8 M) NORTH OF A FENCE, ABOUT LEVEL WITH THE LANE, AND RIVETED ON THE TOP OF AN IRON PIPE PROJECTING 0.4 FT (0.1 M) ABOVE THE GROUND. KT0660 211 00.96 BPR http://www.geocaching.com/mark/details.asp?PID=KT0660 211 00.96 BPR Geocache Geocache 211 00.96 BPR BPR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>211 00.96 BPR</h1> <b> PID </b> KT0660 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO PASS (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 49 08. (N) 122 58 38. (W) SCALED <br> <b> NAVD 88 </b> 1189.72 (+/-2cm) 3903.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.02 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 739,370. </td><td> 1,916,330. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 1188.687 (m) 3899.88 (f) ADJ UNCH 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: 10SEK019076(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 3888.38 211 00.96 <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>BPR</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 19.2 MI NE FROM COVELO. 19.2 MILES NORTHEAST ALONG PASKENTA ROAD FROM THE POST OFFICE AT COVELO, 0.1 MILE WEST OF THE ENTRANCE TO SURVEYORS CAMP GROUND, AT THE EAST END OF A CURVE, ON A CUT BANK, 47 FEET NORTH OF THE CENTER LINE OF THE ROAD, 100 FEET NORTHEAST AND ACROSS THE ROAD FROM A LARGE OUTCROP, 86 FEET SOUTHWEST OF A LARGE OUTCROP, 1.5 FEET SOUTH OF A WITNESS POST, ABOUT 18 FEET HIGHER THAN THE ROAD, AND SCREWED ON THE TOP OF A 2-INCH IRON PIPE PROJECTING 0.9 FOOT ABOVE THE GROUND. KT1050 26 S USGS http://www.geocaching.com/mark/details.asp?PID=KT1050 26 S USGS Geocache Geocache 26 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>26 S USGS</h1> <b> PID </b> KT1050 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> JAMISON RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 38 00. (N) 123 11 28. (W) SCALED <br> <b> NAVD 88 </b> 704.56 (+/-2cm) 2311.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.89 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 718,990. </td><td> 1,897,750. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 703.607 (m) 2308.42 (f) ADJ UNCH 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: 10SDJ836870(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 26 S 1924 2308 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 AT EDEN VALLEY RANCH. AT EDEN VALLEY RANCH, IN THE EAST EDGE OF THE RANCH-HOUSE YARD, 23 FEET WEST OF THE CENTER LINE OF THE ROAD, 24 FEET NORTH OF THE CENTER OF THE EAST YARD GATE, 2.8 FEET WEST OF A FENCE, ABOUT 2 FEET HIGHER THAN THE ROAD, AND RIVETED ON THE TOP OF AN IRON PIPE PROJECTING 0.8 FOOT ABOVE THE GROUND. KT1280 3 S USGS http://www.geocaching.com/mark/details.asp?PID=KT1280 3 S USGS Geocache Geocache 3 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 S USGS</h1> <b> PID </b> KT1280 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> WILLITS (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 25 41. (N) 123 18 43. (W) SCALED <br> <b> NAVD 88 </b> 417.64 (+/-2cm) 1370.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.53 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 696,340. </td><td> 1,887,050. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 416.720 (m) 1367.19 (f) ADJ UNCH 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: 10SDJ731643(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: NO 3 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 3 MI E FROM WILLITS. 2.95 MILES EAST ALONG HEARST ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT WILLITS, AT THE INTERSECTION OF CYN ROAD, 27 FEET EAST OF THE CENTER LINE OF HEARST ROAD, 39 FEET NORTH OF THE CENTER LINE OF CYN ROAD, 1.2 FEET WEST OF A FENCE, 0.7 FOOT WEST OF A WITNESS POST, AND ON THE TOP OF A 3-INCH IRON PIPE PROJECTING 0.5 FOOT ABOVE THE GROUND, AND ABOUT LEVEL WITH THE ROAD. KT1302 32 S RESET 1973 http://www.geocaching.com/mark/details.asp?PID=KT1302 32 S RESET 1973 Geocache Geocache 32 S RESET 1973 NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>32 S RESET 1973</h1> <b> PID </b> KT1302 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POTTER VALLEY (1960) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 16 11. (N) 123 06 11. (W) SCALED <br> <b> NAVD 88 </b> 271.57 (+/-2cm) 891.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.52 (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 2 </td><td> 678,530. </td><td> 1,904,820. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (08/19/04) 270.71 (m) 888.2 (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: 10SDJ911467(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: 32 S RESET 1973 <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>1973 </td><td>MONUMENTED </td><td>NGS</td></tr><tr><td>1989 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 4.5 MI S FROM POTTER VALLEY. 4.5 MILES SOUTH ALONG AN ASPHALT ROAD (COUNTY ROAD 240) FROM THE POST OFFICE AT POTTER VALLEY, AT THE JUNCTION OF WEST ROAD LEADING NORTH, 0.1 MILE WEST OF A BRIDGE OVER EAST FORK RUSSIAN RIVER, 236 FEET WEST OF THE CENTER LINE OF WEST ROAD, 50 FEET NORTH OF THE CENTER LINE OF COUNTY ROAD 240, 35 FEET EAST OF A DRY CREEK BED, AT A 10-FOOT OFFSET IN THE R/W FENCE LINE, 7.5 FEET NORTH OF A FENCE CORNER, 2.5 FEET SOUTH OF A FENCE CORNER, 1.0 FOOT EAST OF A FENCE LINE, AND SET IN THE TOP OF AN 11-INCH CONCRETE CYLINDER PROJECTING 0.2 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1989) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1989 (TM) RECOVERED IN GOOD CONDITION. KT0957 380 BPR http://www.geocaching.com/mark/details.asp?PID=KT0957 380 BPR Geocache Geocache 380 BPR BPR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>380 BPR</h1> <b> PID </b> KT0957 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NEWHOUSE RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 48 26. (N) 123 01 03. (W) SCALED <br> <b> NAVD 88 </b> 868.05 (+/-2cm) 2847.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.24 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 738,110. </td><td> 1,912,870. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 867.072 (m) 2844.72 (f) ADJ UNCH 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: 10SDK985063(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: 380 <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>BPR</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 16 MI NE FROM COVELO. 16.05 MILES NORTHEAST ALONG PASKENTA ROAD FROM THE POST OFFICE AT COVELO, IN THE TOP AND 0.7 FOOT SOUTHWEST OF THE NORTHEAST END OF THE NORTHWEST CONCRETE HEAD WALL OF 24-INCH PIPE CULVERT 380+30, 21 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD, AND ABOUT 1/2 FOOT LOWER THAN THE ROAD. KT0958 397 USBPR http://www.geocaching.com/mark/details.asp?PID=KT0958 397 USBPR Geocache Geocache 397 USBPR BPR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>397 USBPR</h1> <b> PID </b> KT0958 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NEWHOUSE RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 48 35. (N) 123 00 45. (W) SCALED <br> <b> NAVD 88 </b> 902.17 (+/-2cm) 2959.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.20 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 738,380. </td><td> 1,913,300. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 901.185 (m) 2956.64 (f) ADJ UNCH 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: 10SDK989066(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: 397 <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>BPR</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 16.4 MI NE FROM COVELO. 16.4 MILES NORTHEAST ALONG PASKENTA ROAD FROM THE POST OFFICE AT COVELO, AT THE NORTHEAST END OF A CURVE, IN THE TOP AND 0.6 FOOT SOUTHWEST OF THE NORTHEAST END OF THE NORTHWEST CONCRETE HEAD WALL OF 24-INCH PIPE CULVERT 397+86, 28 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD, AND ABOUT 1/2 FOOT HIGHER THAN THE ROAD. KT1284 4 S USGS http://www.geocaching.com/mark/details.asp?PID=KT1284 4 S USGS Geocache Geocache 4 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>4 S USGS</h1> <b> PID </b> KT1284 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> WILLITS (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 27 35. (N) 123 17 38. (W) SCALED <br> <b> NAVD 88 </b> 555.75 (+/-2cm) 1823.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.39 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 699,830. </td><td> 1,888,660. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 554.821 (m) 1820.28 (f) ADJ UNCH 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: 10SDJ747678(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: NO 4 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 6.1 MI NE FROM WILLITS. 6.1 MILES NORTHEAST ALONG HEARST ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT WILLITS, IN THE TOP OF A MASSIVE ROCK OUTCROP WHICH IS IN THE YARD OF A FARMHOUSE, 48 FEET SOUTHEAST OF THE CENTER LINE OF THE ROAD, 49 FEET NORTHEAST OF THE NORTH CORNER OF A BARN, 40 FEET NORTHEAST OF THE CENTER LINE OF A DRIVEWAY LEADING TO THE HOUSE, AND ABOUT 10 FEET HIGHER THAN THE ROAD. KT1057 40 HJH USGS http://www.geocaching.com/mark/details.asp?PID=KT1057 40 HJH USGS Geocache Geocache 40 HJH USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>40 HJH USGS</h1> <b> PID </b> KT1057 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> JAMISON RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 40 32. (N) 123 07 56. (W) SCALED <br> <b> NAVD 88 </b> 360.63 (+/-2cm) 1183.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.82 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 723,610. </td><td> 1,902,870. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 359.697 (m) 1180.11 (f) ADJ UNCH 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: 10SDJ886917(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: 40 HJH 1180 1951 <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>1951 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 7 MI NE FROM EDEN VALLEY RANCH. 4.85 MILES EAST ALONG A TRACK ROAD FROM THE EDEN VALLEY RANCH, THENCE 2.2 MILES NORTH ALONG ELK RIVER, 0.35 MILE NORTH OF A FORD ACROSS THE RIVER, 25 FEET EAST-NORTHEAST OF THE CENTER LINE OF THE ROAD, 125 YARDS SOUTH-SOUTHEAST OF THE BANK OF EEL RIVER, 200 YARDS EAST-NORTHEAST OF THE BANK OF ELK RIVER, 174 FEET NORTH-NORTHWEST OF A 4-INCH OAK TREE, 1.0 FOOT SOUTH-SOUTHEAST OF A FENCE, 1.0 FOOT SOUTH-SOUTHEAST OF A WITNESS POST, ABOUT LEVEL WITH THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. KT1054 41 HJH USGS http://www.geocaching.com/mark/details.asp?PID=KT1054 41 HJH USGS Geocache Geocache 41 HJH USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>41 HJH USGS</h1> <b> PID </b> KT1054 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> JAMISON RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 38 41. (N) 123 07 40. (W) SCALED <br> <b> NAVD 88 </b> 462.36 (+/-2cm) 1516.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.79 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 720,180. </td><td> 1,903,200. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 461.422 (m) 1513.85 (f) ADJ UNCH 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: 10SDJ890883(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: 41 HJH 1514 1951 <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>1951 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 4.2 MI E FROM EDEN VALLEY RANCH. 4.25 MILES EAST ALONG A TRACK ROAD FROM THE EDEN VALLEY RANCH, 0.6 MILE WEST OF ELK RIVER, 0.05 MILE EAST OF A ROAD JUNCTION, ON A SMALL KNOLL, 27 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, 29 FEET SOUTHWEST OF A FORKED SCRUB OAK TREE, 2.2 FEET NORTHWEST OF A WITNESS POST, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND. KT1052 42 HJH USGS http://www.geocaching.com/mark/details.asp?PID=KT1052 42 HJH USGS Geocache Geocache 42 HJH USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>42 HJH USGS</h1> <b> PID </b> KT1052 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> JAMISON RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 38 19. (N) 123 09 22. (W) SCALED <br> <b> NAVD 88 </b> 746.20 (+/-2cm) 2448.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.85 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 719,530. </td><td> 1,900,760. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 745.265 (m) 2445.09 (f) ADJ UNCH 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: 10SDJ866876(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: 42 HJH 2445 1951 <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>1951 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 2.2 MI E FROM EDEN VALLEY RANCH. 2.2 MILES EAST ALONG A TRACK ROAD FROM THE EDEN VALLEY RANCH, 0.35 MILE WEST OF THE CROSSING OF A CREEK, NEAR A PILE OF BOULDERS ON THE NORTH SIDE OF THE ROAD, 0.8 MILE EAST OF A GATE WHICH IS ON THE NORTH SIDE OF TONEY CREEK, 1.05 MILES EAST OF A FORD ACROSS TONEY CREEK, 22 FEET NORTH OF THE CENTER LINE OF THE ROAD, 3.0 FEET WEST OF A WITNESS POST, ABOUT LEVEL WITH THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. KT0667 4763 USGS http://www.geocaching.com/mark/details.asp?PID=KT0667 4763 USGS Geocache Geocache 4763 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>4763 USGS</h1> <b> PID </b> KT0667 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO PASS (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 47 49. (N) 122 56 57. (W) SCALED <br> <b> NAVD 88 </b> 1454.07 (+/-2cm) 4770.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.98 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 736,910. </td><td> 1,918,710. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 1453.041 (m) 4767.19 (f) ADJ UNCH 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: 10SEK043052(NAD 83) <br>MARKER: S = SPIKE <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: 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>USGS</td></tr><tr><td>1940 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1940 24.8 MI NE FROM COVELO. LOCATED 24.75 MILES NORTH-EAST OF THE POST OFFICE IN COVELO, MENDOCINO COUNTY, CALIF., ALONG THE DOS RIOS-PASKENTA ROAD, AND IN THE MENDOCINO NATL. FOREST, 13 FEET SOUTH OF THE CENTERLINE OF ROAD, A RAILROAD SPIKE SET AT THE BASE OF 30 IN PINE TREE. U.S.B.M. 4763 IS PAINTED IN WHITE LETTERS ON TREE. (U.S.B.M. WITNESS POST IS SET BY BENCH MARK) <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT0953 514 55.6 BPR http://www.geocaching.com/mark/details.asp?PID=KT0953 514 55.6 BPR Geocache Geocache 514 55.6 BPR BPR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>514 55.6 BPR</h1> <b> PID </b> KT0953 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NEWHOUSE RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 48 39. (N) 123 03 12. (W) SCALED <br> <b> NAVD 88 </b> 655.32 (+/-2cm) 2150.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.39 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 738,550. </td><td> 1,909,810. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 654.363 (m) 2146.86 (f) ADJ UNCH 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: 10SDK954067(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 2135.72 514 55.6 27 <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>BPR</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 13.8 MI NE FROM COVELO. 13.8 MILES NORTHEAST ALONG PASKENTA ROAD FROM THE POST OFFICE AT COVELO, AT A SMALL WASH, 41 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 87 FEET WEST OF THE CENTER OF A 14-INCH PIPE CULVERT, 1.0 FOOT EAST OF A WITNESS POST, ABOUT 15 FEET LOWER THAN THE ROAD, AND SCREWED ON THE TOP OF A 2-INCH IRON PIPE PROJECTING 0.4 FOOT ABOVE THE GROUND. KT0951 594 64.67 BPR http://www.geocaching.com/mark/details.asp?PID=KT0951 594 64.67 BPR Geocache Geocache 594 64.67 BPR BPR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>594 64.67 BPR</h1> <b> PID </b> KT0951 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NEWHOUSE RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 49 10. (N) 123 04 26. (W) SCALED <br> <b> NAVD 88 </b> 529.81 (+/-2cm) 1738.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.48 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 739,520. </td><td> 1,908,060. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 528.846 (m) 1735.06 (f) ADJ UNCH 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: 10SDK936077(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 594+64.67 1723.92-27 <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>BPR</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 12.4 MI NE FROM COVELO. 12.45 MILES NORTHEAST ALONG PASKENTA ROAD FROM THE POST OFFICE AT COVELO, AT THE CROSSING OF A SMALL DEEP WASH, 45 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 40 FEET WEST OF THE CENTER OF THE SOUTH END OF A PIPE CULVERT, 1.4 FEET WEST OF A WITNESS POST, ABOUT 11 FEET LOWER THAN THE ROAD, AND SCREWED ON THE TOP OF A 2-INCH IRON PIPE PROJECTING 0.9 FOOT ABOVE THE GROUND. KT1292 6 S USGS http://www.geocaching.com/mark/details.asp?PID=KT1292 6 S USGS Geocache Geocache 6 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>6 S USGS</h1> <b> PID </b> KT1292 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> FOSTER MTN (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 28 03. (N) 123 12 43. (W) SCALED <br> <b> NAVD 88 </b> 441.59 (+/-2cm) 1448.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.19 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 700,600. </td><td> 1,895,720. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 440.672 (m) 1445.77 (f) ADJ UNCH 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: 10SDJ817686(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: OUTCROP <br>STAMPING: NO 6 S 1924 <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>1924 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 2.1 MI S FROM HEARST. 2.1 MILES SOUTH ALONG HEARST ROAD FROM A LARGE BUILDING AT HEARST, 0.05 MILE NORTHEAST OF THE JUNCTION OF A DIRT ROAD EAST, ON THE OUTSIDE OF A CURVE, IN THE TOP OF A 15- BY 20-FOOT OUTCROP, 25 FEET SOUTHEAST OF THE CENTER LINE OF THE ROAD, 33 FEET NORTHEAST OF THE NORTHEAST END OF A 48-INCH PIPE CULVERT, AND ABOUT 4 FEET HIGHER THAN THE ROAD. KT1251 600 CAHD http://www.geocaching.com/mark/details.asp?PID=KT1251 600 CAHD Geocache Geocache 600 CAHD CADH Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>600 CAHD</h1> <b> PID </b> KT1251 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> ELLEDGE PEAK (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 05 30. (N) 123 13 16. (W) SCALED <br> <b> NAVD 88 </b> 193.69 (+/-2cm) 635.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.07 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 658,890. </td><td> 1,894,370. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 192.805 (m) 632.56 (f) ADJ UNCH 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: 10SDJ808269(NAD 83) <br>MARKER: N = NAIL <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: 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>1935 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1964 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 5 MI SW FROM UKIAH. 1.9 MILES SOUTH ALONG U.S. HIGHWAY 101 FROM UKIAH, MENDOCINO COUNTY, THENCE 3.1 MILES SOUTHWEST ALONG THE BOONVILLE ROAD, 45 FEET NORTH OF THE NORTHWEST CORNER OF A 50-FOOT BRIDGE OVER ROBERTSON CREEK, 23 FEET NORTHWEST OF THE CENTERLINE OF THE ROAD, AND IN THE FORK OF AN OAK TREE. AN IRON NAIL. <p> <h2>STATION RECOVERY (1964) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1964 MARK NOT FOUND. KT1508 672.13 http://www.geocaching.com/mark/details.asp?PID=KT1508 672.13 Geocache Geocache 672.13 CADH CADH Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>672.13</h1> <b> PID </b> KT1508 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> PIERCY (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 55 27. (N) 123 45 30. (W) SCALED <br> <b> NAVD 88 </b> 221.998 (meters) 728.34 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.09 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 221.875 (meters) 727.93 (feet) COMP <br> <b> MODELED GRAV</b> 980,066.1 (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 2 </td><td> 752,060. </td><td> 1,849,690. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 221.080 (m) 725.33 (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: 10SDK351196(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: GUARDRAIL <br>STAMPING: 672.13 CHC 5/24/30 <br>MARK LOGO: CADH <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>1930 </td><td>MONUMENTED </td><td>CADH</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1972 </td><td>GOOD </td><td>USGS</td></tr><tr><td>19880404</td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 5.3 MI S FROM PIERCY. 5.3 MILES SOUTH ALONG U.S. HIGHWAY 101 FROM THE POST OFFICE AT PIERCY, A 1/2-INCH POINTED STEEL ROD ENCIRCLED WITH A BRASS RING IN THE TOP OF THE NORTH END OF A STONE GUARD RAIL FOR A PORTION OF THE HIGHWAY AROUND THE EDGE OF A ROCKY CLIFF, 24 FEET WEST OF THE CENTER LINE OF THE HIGHWAY, 23 FEET SOUTH OF A POWER POLE WITH TWO GUY WIRES, 0.3 FOOT SOUTH OF THE NORTH END OF THE STONE WALL, AND ABOUT 1 1/2 FEET HIGHER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1972 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 11.8 KM (7.35 MI) NORTHERLY ALONG U.S. HIGHWAY 101 FROM THE JUNCTION OF STATE HIGHWAY 1 IN LEGGETT. DELETE--23 FEET SOUTH OF A POWER POLE WITH TWO GUY WIRES. ADD--6.5 M (21.3 FT) SOUTH OF UTILITY POLE NUMBER 1160031. KT0947 699 10.90 BPR http://www.geocaching.com/mark/details.asp?PID=KT0947 699 10.90 BPR Geocache Geocache 699 10.90 BPR BPR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>699 10.90 BPR</h1> <b> PID </b> KT0947 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NEWHOUSE RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 49 33. (N) 123 06 24. (W) SCALED <br> <b> NAVD 88 </b> 471.89 (+/-2cm) 1548.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -28.61 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 740,270. </td><td> 1,905,260. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 470.93 (m) 1545.0 (f) COMPUTED 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: 10SDK908084(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 1533.79 699 10.90-27 <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>BPR</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 10.4 MI NE FROM COVELO. 10.4 MILES NORTHEAST ALONG PASKENTA ROAD FROM THE POST OFFICE AT COVELO, 0.05 MILE EAST OF THE CENTER OF A CURVE AND SMALL CREEK, ON THE OUTSIDE OF A CURVE, 42 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 1.4 FEET EAST OF A WITNESS POST, ABOUT 3 1/2 FEET LOWER THAN THE ROAD, AND RIVETED ON THE TOP OF A 2-INCH IRON POST PROJECTING 0.6 FOOT ABOVE THE GROUND. KT1175 828 USGS http://www.geocaching.com/mark/details.asp?PID=KT1175 828 USGS Geocache Geocache 828 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>828 USGS</h1> <b> PID </b> KT1175 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> UKIAH (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 14 47. (N) 123 07 42. (W) SCALED <br> <b> NAVD 88 </b> 253.50 (+/-2cm) 831.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.61 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 675,960. </td><td> 1,902,610. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 252.625 (m) 828.82 (f) ADJ UNCH 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: 10SDJ889441(NAD 83) <br>MARKER: Q = CHISELED SQUARE <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <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>USGS</td></tr><tr><td>1944 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1965 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1944 9.7 MI NE FROM UKIAH. ABOUT 3 MILES NORTH ALONG U.S. HIGHWAY 101 FROM UKIAH, MENDOCINO COUNTY, TO A PLACE KNOWN AS THE FORKS, THENCE 6.7 MILES NORTHEAST ALONG STATE HIGHWAY 20, AT CONCRETE BRIDGE NO. 1040 OVER COLD CREEK, AND ON THE NORTHEAST CORNER OF THE BANISTER. A CHISELED SQUARE. NOT RECOVERED IN DECEMBER 1958. THE BRIDGE ON WHICH THIS MARK IS LOCATED HAS BEEN REPEATEDLY DAMAGED BY VEHICLES HITTING THE RAILINGS AND WHEEL GUARDS. THE MARK HAS APPARENTLY BEEN OBLITERATED BY REPAIRS TO THE BRIDGE. <p> <h2>STATION RECOVERY (1965) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1965 MARK NOT FOUND. KT0665 92 69.5 BPR http://www.geocaching.com/mark/details.asp?PID=KT0665 92 69.5 BPR Geocache Geocache 92 69.5 BPR BPR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>92 69.5 BPR</h1> <b> PID </b> KT0665 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO PASS (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 48 23. (N) 122 57 14. (W) SCALED <br> <b> NAVD 88 </b> 1377.62 (+/-2cm) 4519.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.98 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 737,960. </td><td> 1,918,320. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 1376.583 (m) 4516.34 (f) ADJ UNCH 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: 10SEK039062(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 4505.19 92 69.5 27 <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>BPR</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 21.5 MI NE FROM COVELO. 21.5 MILES NORTHEAST ALONG PASKENTA ROAD FROM THE POST OFFICE AT COVELO, ON THE OUTSIDE OF A CURVE, 44 FEET WEST OF THE CENTER LINE OF THE ROAD, 68 FEET SOUTH OF A 36-INCH OAK TREE, 1.6 FEET SOUTH OF A WITNESS POST, ABOUT 8 FEET LOWER THAN THE ROAD, AND SCREWED ON THE TOP OF A 2-INCH PIPE PROJECTING 0.5 FOOT ABOVE THE GROUND. JT9390 941 6841 D TIDAL http://www.geocaching.com/mark/details.asp?PID=JT9390 941 6841 D TIDAL Geocache Geocache 941 6841 D TIDAL NOS NOS Unknown Cache Regular 1 1 United States California NGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 6841 D TIDAL</h1> <b> PID </b> JT9390 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 54 53. (N) 123 42 30. (W) SCALED <br> <b> NAVD 88 </b> 7.415 (meters) 24.33 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.18 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 7.410 (meters) 24.31 (feet) COMP <br> <b> MODELED GRAV</b> 980,063.5 (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>This Tidal Bench Mark is designated as VM 1007 by the Center for Operational Oceanographic Products and Services. <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 2 </td><td> 639,930. </td><td> 1,851,860. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 6.521 (m) 21.39 (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: 10SDJ385075(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 35 = SET IN A MAT FOUNDATION OR CONCRETE SLAB OTHER THAN <br>WITH SETTING: PAVEMENT <br>SP_SET: STEP <br>STAMPING: 6841 D 1977 <br>MARK LOGO: NOS <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>1977 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 1.7 KM (1.05 MI) SOUTH FROM POINT ARENA. 0.2 KM (0.10 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN POINT ARENA, THENCE 1.5 KM (0.95 MI) WESTERLY ALONG PORT ROAD, IN THE SECOND STEP LEADING TO AN ABANDONED COAST GUARD STATION, 30.5 M (100.1 FT) NORTH OF THE CENTERLINE OF THE ROAD, 15.8 M (51.8 FT) NORTH OF THE NORTHWEST CORNER OF AN ALUMINUM BUILDING AT AN ABANDONED BULK OIL STATION, AND 1.8 M (5.9 FT) WEST OF THE SOUTHWEST CORNER OF A GARAGE. THE MARK IS 0.6 M ABOVE THE GROUND. JT9393 941 6841 F TIDAL http://www.geocaching.com/mark/details.asp?PID=JT9393 941 6841 F TIDAL Geocache Geocache 941 6841 F TIDAL NOS NOS Unknown Cache Regular 1 1 United States California NGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 6841 F TIDAL</h1> <b> PID </b> JT9393 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 54 46. (N) 123 42 38. (W) SCALED <br> <b> NAVD 88 </b> 2.949 (meters) 9.68 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.20 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 2.947 (meters) 9.67 (feet) COMP <br> <b> MODELED GRAV</b> 980,064.6 (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>This Tidal Bench Mark is designated as VM 1009 by the Center for Operational Oceanographic Products and Services. <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 2 </td><td> 639,720. </td><td> 1,851,660. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 2.055 (m) 6.74 (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: 10SDJ383073(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: BEDROCK <br>STAMPING: 6841 F 1978 <br>MARK LOGO: NOS <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>1978 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 1.7 KM (1.05 MI) WEST FROM POINT ARENA. 0.2 KM (0.10 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN POINT ARENA, THENCE 1.7 KM (1.05 MI) WESTERLY ALONG PORT ROAD, IN A 4 BY 10 FOOT AREA OF OUTCROPPING BEDROCK, 156.1 M (512.1 FT) SOUTH OF THE SOUTHEAST RAIL OF A PIER, 92.0 M (301.8 FT) SOUTH OF THE NORTH END OF A ROCK WALL, 13.7 M (44.9 FT) SOUTH OF A PYRAMID SHAPED ROCK THAT PROJECTS 10 FEET ABOVE THE GROUND SURFACE, 9.1 M (29.9 FT) WEST OF THE WALL, AND 3.0 M (9.8 FT) EAST OF THE WEST EDGE OF THE OUTCROP. THE MARK IS 1.5 M ABOVE THE GROUND. JT9388 941 6841 H TIDAL http://www.geocaching.com/mark/details.asp?PID=JT9388 941 6841 H TIDAL Geocache Geocache 941 6841 H TIDAL NOS NOS Unknown Cache Regular 1 1 United States California NGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 6841 H TIDAL</h1> <b> PID </b> JT9388 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 54 43. (N) 123 42 15. (W) SCALED <br> <b> NAVD 88 </b> 7.682 (meters) 25.20 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.17 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 7.677 (meters) 25.19 (feet) COMP <br> <b> MODELED GRAV</b> 980,062.6 (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>This Tidal Bench Mark is designated as VM 1011 by the Center for Operational Oceanographic Products and Services. <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 2 </td><td> 639,620. </td><td> 1,852,210. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 6.788 (m) 22.27 (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: 10SDJ389072(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 15 = METAL ROD DRIVEN INTO GROUND. SEE TEXT FOR ADDITIONAL <br>WITH SETTING: INFORMATION. <br>SP_SET: SHALLOW-SET METAL ROD <br>STAMPING: 6841 H 1979 <br>MARK LOGO: NOS <br>PROJECTION: RECESSED 6 CENTIMETERS <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br>ROD/PIPE-DEPTH: 2.4 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1979 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 1.4 KM (0.85 MI) WEST FROM POINT ARENA. 0.2 KM (0.10 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN POINT ARENA, THENCE 1.2 KM (0.75 MI) WESTERLY ALONG PORT ROAD, 18.0 M (59.1 FT) SOUTHEAST OF THE MOST EASTERLY 1 OF 4 EUCALYPTUS TREES, 8.8 M (28.9 FT) NORTHEAST OF THE CENTERLINE OF THE ROAD, AND 0.5 M (1.6 FT) NORTHEAST OF A WOODEN WITNESS POST. NOTE--THE DISK IS SURROUNDED BY A 5-INCH PVC PIPE THAT IS FLUSH WITH THE GROUND SURFACE. THE MARK IS 0.3 M ABOVE THE ROAD. JT9387 941 6841 J TIDAL http://www.geocaching.com/mark/details.asp?PID=JT9387 941 6841 J TIDAL Geocache Geocache 941 6841 J TIDAL NOS NOS Unknown Cache Regular 1 1 United States California NGS Datasheet <b> FBN </b> This is a Federal Base Network Control Station. <br> <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 6841 J TIDAL</h1> <b> PID </b> JT9387 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1998)</b> 38 54 38.47228(N) 123 42 07.04181(W) ADJUSTED <br> <b> NAVD 88 </b> 13.920 (meters) 45.67 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1998.50 <br> <b> X </b> -2,757,466.515 (meters) COMP <br> <b> Y </b> -4,134,340.839 (meters) COMP <br> <b> Z </b> 3,984,595.193 (meters) COMP <br> <b> LAPLACE CORR</b> 10.26 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> -18.32 (meters) (04/06/00) GPS OBS <br> <b> GEOID HEIGHT</b> -32.16 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 13.912 (meters) 45.64 (feet) COMP <br> <b> MODELED GRAV</b> 980,062.6 (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>This Tidal Bench Mark is designated as VM 1012 by the Center for Operational Oceanographic Products and Services. <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 2 </td><td> 639,474.923 1</td><td>852,401.042</td><td> MT </td><td>0.99991926</td><td> -1 ' 04 22.9"</td></tr><tr><td>SPC CA 2 </td><td>2,098,010.64 6</td><td>077,419.09 </td><td> sFT </td><td>0.99991926</td><td> -1 ' 04 22.9"</td></tr><tr><td>UTM 10 </td><td>4,307,099.645 </td><td>439,139.727</td><td> MT </td><td>0.99964561</td><td> -0 ' 26 27.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000287 x 0.99991926 = 0.99992213 <br> <b>UTM 10 </b> 1.00000287 x 0.99964561 = 0.99964848 <br> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 13.027 (m) 42.74 (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: 10SDJ3914007100(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: 6841 J 1979 <br>MARK LOGO: NOS <br>PROJECTION: FLUSH <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 - April 28, 1998 <br>ROD/PIPE-DEPTH: 4.9 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1979 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19980428</td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 1.1 KM (0.70 MI) WEST FROM POINT ARENA. 0.2 KM (0.10 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN POINT ARENA, THENCE 0.9 KM (0.55 MI) WESTERLY ALONG PORT ROAD, 17.2 M (56.4 FT) WEST OF THE CENTER OF A DRIVEWAY, 10.1 M (33.1 FT) NORTH OF THE CENTERLINE OF THE ROAD, AND 0.6 M (2.0 FT) WEST OF A WOODEN WITNESS POST. NOTE--THE DISK IS SURROUNDED BY A 5-INCH PVC PIPE THAT IS FLUSH WITH THE GROUND SURFACE. THE MARK IS 1.8 M ABOVE THE ROAD. <p> <h2>STATION RECOVERY (1998) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (CSM) THE STATION IS LOCATED ABOUT 0.86 KM (0.55 MI) WEST OF THE TOWN OF POINT ARENA AND 0.80 KM (0.50 MI) EAST OF THE EAST END OF THE POINT ARENA PIER, ON THE NORTH SIDE OF PORT ROAD, NEAR THE CENTER OF A TRIANGULAR-SHAPED GRASS MEDIAN AT THE SOUTH END OF A FORKED DRIVEWAY. OWNERSHIP--CALIFORNIA DEPARTMENT OF TRANSPORTATION. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAY 1 (MAIN ST) AND IVERSEN AVE NEAR THE SOUTH EDGE OF POINT ARENA, GO WESTERLY FOR 0.32 KM (0.20 MI) ON IVERSEN AVENUE TO A STOP SIGN AT PORT ROAD. BEAR LEFT AND CONTINUE WESTERLY FOR 0.54 KM (0.35 MI) ON PORT ROAD TO THE FORKED DRIVEWAY ON THE RIGHT AND THE STATION IN THE MEDIAN. THE STATION IS A PUNCH MARK ON THE TOP CENTER OF A DISK CRIMPED TO THE TOP OF A COPPER-CLAD STEEL ROD, RECESSED ABOUT 4O CM BELOW GROUND, ENCASED IN A 4-INCH PVC PIPE THAT IS ENCASED IN A 6-INCH PVC PIPE WITH SCREW CAP FLUSH WITH GROUND. LOCATED 10.1 M (33.1 FT) NORTH OF THE CENTER OF ROAD, 6.1 M (20.0 FT) SOUTHWEST OF THE CENTER OF NORTHEAST FORKED DRIVEWAY, 4.8 M (15.7 FT) SOUTH-SOUTHWEST OF THE NORTH-NORTHEAST POINT OF THE MEDIAN, 4.2 M (13.8 FT) SOUTHEAST OF THE CENTER OF NORTHWEST FORKED DRIVEWAY, 1.0 M (3.3 FT) WEST OF A 4-INCH WOODEN POST WITH WITNESS SIGN, ABOUT 1.2 M (3.9 FT) ABOVE THE ROAD LEVEL AND FLUSH WITH GROUND. NOTE--A LARGE PAIR OF CHANNEL LOCKS OR PIPE WRENCH IS NEEDED TO REMOVE THE PVC SCREW CAP. JT9389 941 6841 K TIDAL http://www.geocaching.com/mark/details.asp?PID=JT9389 941 6841 K TIDAL Geocache Geocache 941 6841 K TIDAL NOS NOS Unknown Cache Regular 1 1 United States California NGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 6841 K TIDAL</h1> <b> PID </b> JT9389 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 54 49. (N) 123 42 26. (W) SCALED <br> <b> NAVD 88 </b> 5.555 (meters) 18.23 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.18 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 5.552 (meters) 18.22 (feet) COMP <br> <b> MODELED GRAV</b> 980,063.1 (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>This Tidal Bench Mark is designated as VM 1013 by the Center for Operational Oceanographic Products and Services. <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 2 </td><td> 639,810. </td><td> 1,851,950. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 4.662 (m) 15.30 (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: 10SDJ386074(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: RETAINING WALL <br>STAMPING: 6841 K 1980 <br>MARK LOGO: NOS <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>1980 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 1.7 KM (1.05 MI) WEST FROM POINT ARENA. 0.2 KM (0.10 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN POINT ARENA, THENCE 1.5 KM (0.95 MI) WESTERLY ALONG PORT ROAD, IN A 2.5 BY 9.0 FOOT CONCRETE SLAB AT AN ABANDONED BULK OIL STATION, 29.0 M (95.1 FT) WEST OF A FIRE HYDRANT, 16.3 M (53.5 FT) NORTHWEST OF SECURITY LIGHT POLE NUMBER 64, 7.3 M (24.0 FT) NORTH OF THE CENTERLINE OG THE ROAD, 5.0 M (16.4 FT) EAST OF THE EAST EDGE OF A CEMENT SLAB AT A TRUCK LOADING STATION, 1.1 M (3.6 FT) SOUTH OF A CONCRETE RETAINING WALL AROUND THE STORAGE TANKS, AND 0.2 M (0.7 FT) NORTH OF THE SOUTH EDGE OF THE SLAB. THE MARK IS ABOVE LEVEL WITH THE GROUND. JT9391 941 6841 TIDAL 5 http://www.geocaching.com/mark/details.asp?PID=JT9391 941 6841 TIDAL 5 Geocache Geocache 941 6841 TIDAL 5 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 6841 TIDAL 5</h1> <b> PID </b> JT9391 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 54 54. (N) 123 42 35. (W) SCALED <br> <b> NAVD 88 </b> 6.197 (meters) 20.33 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.19 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 6.193 (meters) 20.32 (feet) COMP <br> <b> MODELED GRAV</b> 980,064.2 (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>This Tidal Bench Mark is designated as VM 1006 by the Center for Operational Oceanographic Products and Services. <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 2 </td><td> 639,970. </td><td> 1,851,740. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 5.303 (m) 17.40 (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: 10SDJ384075(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: RETAING WALL <br>STAMPING: 5 1945 <br>MARK LOGO: CGS <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>1945 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 1.9 KM (1.20 MI) WEST FROM POINT ARENA. 0.2 KM (0.10 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN POINT ARENA, THENCE 1.7 KM (1.05 MI) WESTERLY ALONG PORT ROAD, IN TOP OF A CONCRETE RETAINING WALL AT AN ABANDONED COAST GUARD BOAT HOUSE, 21.5 M (70.5 FT) NORTHWEST OF THE ARENA COVE BAR AND GRILL, 5.6 M (18.4 FT) SOUTHEAST OF THE NORTHEAST CORNER OF THE BOAT HOUSE, 4.0 M (13.1 FT) NORTHEAST OF THE SOUTHEAST CORNER OF THE BOAT HOUSE, AND 0.2 M (0.7 FT) WEST OF A CURVE IN THE RETAINING WALL. THE MARK IS 0.7 M ABOVE THE GROUND. JT9392 941 6841 TIDAL 6 http://www.geocaching.com/mark/details.asp?PID=JT9392 941 6841 TIDAL 6 Geocache Geocache 941 6841 TIDAL 6 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 6841 TIDAL 6</h1> <b> PID </b> JT9392 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 54 47. (N) 123 42 38. (W) SCALED <br> <b> NAVD 88 </b> 2.740 (meters) 8.99 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.20 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 2.738 (meters) 8.98 (feet) COMP <br> <b> MODELED GRAV</b> 980,064.6 (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>This Tidal Bench Mark is designated as VM 1005 by the Center for Operational Oceanographic Products and Services. <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 2 </td><td> 639,750. </td><td> 1,851,660. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 1.847 (m) 6.06 (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: 10SDJ383073(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: BEDROCK <br>STAMPING: 6 1945 <br>MARK LOGO: CGS <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>1945 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 1.9 KM (1.20 MI) WEST FROM POINT ARENA. 0.2 KM (0.10 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN POINT ARENA, THENCE 1.7 KM (1.05 MI) WESTERLY ALONG PORT ROAD, IN A 9 BY 45 FOOT AREA OF OUTCROPPING BEDROCK, 109.1 M (357.9 FT) SOUTH OF THE SOUTHEAST RAIL OF A PIER, 45.1 M (148.0 FT) SOUTH OF THE NORTH END OF A ROCK WALL, 8.8 M (28.9 FT) WEST OF THE ROCK WALL, 5.0 M (16.4 FT) EAST OF THE EAST END OF THE OUTCROP. THE MARK IS 1.5 M ABOVE THE GROUND. KT1179 972 USGS http://www.geocaching.com/mark/details.asp?PID=KT1179 972 USGS Geocache Geocache 972 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>972 USGS</h1> <b> PID </b> KT1179 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COW MOUNTAIN (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 13 16. (N) 123 05 06. (W) SCALED <br> <b> NAVD 88 </b> 297.25 (+/-2cm) 975.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.49 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 673,110. </td><td> 1,906,310. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 296.367 (m) 972.33 (f) ADJ UNCH 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: 10SDJ926413(NAD 83) <br>MARKER: Q = CHISELED SQUARE <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <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>USGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1989 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 11.5 MI NW FROM UPPER LAKE. 11.5 MILES NORTHWEST ALONG STATE HIGHWAY 20 FROM THE JUNCTION OF MAIN STREET AT UPPER LAKE, ON THE TOP OF THE NORTHEAST CONCRETE CURB OF BRIDGE A 506+50 OVER COLD CREEK, 9 FEET NORTHEAST OF THE CENTER LINE OF THE HIGHWAY, 12.3 FEET NORTHWEST OF THE SOUTHEAST END OF THE CURB, AND ABOUT 1 FOOT HIGHER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1989) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1989 (TM) MARK NOT FOUND. KT1472 A 103 http://www.geocaching.com/mark/details.asp?PID=KT1472 A 103 Geocache Geocache A 103 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 103</h1> <b> PID </b> KT1472 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> TAN OAK PARK (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 48 46. (N) 123 33 25. (W) SCALED <br> <b> NAVD 88 </b> 448.88 (+/-2cm) 1472.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.51 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 739,380. </td><td> 1,866,690. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 447.945 (m) 1469.63 (f) ADJ UNCH 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: 10SDK523071(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 103 1931 1469.433 <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>1967 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 10.4 MI N FROM LAYTONVILLE. 10.35 MILES NORTH ALONG U.S. HIGHWAY 101 FROM THE POST OFFICE AT LAYTONVILLE, 0.1 MILE SOUTHEAST OF THE NORTHWEST END OF A LONG TANGENT, AT THE JUNCTION OF A DIRT ROAD, 56 FEET NORTHEAST OF THE CENTER LINE OF THE HIGHWAY, 62 FEET NORTH OF THE NORTHWEST END OF THE HEAD WALL OF CULVERT 79.80, 20 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, 6 FEET NORTHEAST OF A POINT IN LINE WITH TELEPHONE POLES, 1.6 FEET NORTHEAST OF A WITNESS POST, ABOUT LEVEL WITH THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. KT1196 A 105 CAHD http://www.geocaching.com/mark/details.asp?PID=KT1196 A 105 CAHD Geocache Geocache A 105 CAHD CADH Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 105 CAHD</h1> <b> PID </b> KT1196 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> UKIAH (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 08 04. (N) 123 12 00. (W) SCALED <br> <b> NAVD 88 </b> 185.24 (+/-2cm) 607.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.01 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 663,620. </td><td> 1,896,260. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 184.372 (m) 604.89 (f) ADJ UNCH 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: 10SDJ827317(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 105 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>CADH</td></tr><tr><td>1949 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1964 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1949 1 MI S FROM UKIAH. 1.0 MILE SOUTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT UKIAH, MENDOCINO COUNTY, 0.1 MILE SOUTH OF ASYLUM, AT ROAD CROSSING NO. 112-K, 31 FEET SOUTH OF THE CENTERLINE OF THE ROAD, 28 FEET EAST OF THE TRACK, AND AT A FENCE CORNER. A CALIFORNIA DIVISION OF HIGHWAYS STANDARD DISK, STAMPED A 105 1932 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 2 INCHES ABOVE GROUND. <p> <h2>STATION RECOVERY (1964) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1964 MARK NOT FOUND. KT1178 A 1062 http://www.geocaching.com/mark/details.asp?PID=KT1178 A 1062 Geocache Geocache A 1062 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1062</h1> <b> PID </b> KT1178 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COW MOUNTAIN (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 13 36. (N) 123 05 29. (W) SCALED <br> <b> NAVD 88 </b> 294.57 (+/-2cm) 966.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.51 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 673,740. </td><td> 1,905,770. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 293.697 (m) 963.57 (f) ADJ UNCH 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: 10SDJ921419(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: A 1062 1966 <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>1966 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1989 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1966 12 MI NW FROM UPPER LAKE. 11.95 MILES NORTHWEST ALONG STATE HIGHWAY 20 FROM THE JUNCTION OF MAIN STREET AT UPPER LAKE, IN THE TOP AND 0.7 FOOT SOUTHEAST OF THE NORTHWEST END OF THE NORTHEAST CONCRETE HEAD WALL OF PIPE CULVERT 481+75, 27 1/2 FEET NORTHEAST OF THE CENTER LINE OF THE HIGHWAY, AND 2 FEET LOWER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1989) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1989 (TM) MARK NOT FOUND. KT1325 A 1063 http://www.geocaching.com/mark/details.asp?PID=KT1325 A 1063 Geocache Geocache A 1063 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1063</h1> <b> PID </b> KT1325 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> FOSTER MTN (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 25 38. (N) 123 09 37. (W) SCALED <br> <b> NAVD 88 </b> 676.42 (+/-2cm) 2219.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.12 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 696,070. </td><td> 1,900,110. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 675.512 (m) 2216.24 (f) ADJ UNCH 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: 10SDJ862642(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: OUTCROP <br>STAMPING: A 1063 1966 <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>1966 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1966 7.8 MI SE FROM HEARST. 2.7 MILES SOUTH ALONG HEARST ROAD FROM A LARGE BUILDING AT HEARST, THENCE 5.15 MILES SOUTHEAST ALONG A DIRT ROAD, 0.1 MILE SOUTHWEST OF THE JUNCTION OF A ROAD WEST, IN THE TOP OF THE NORTHEAST END OF A LONG MASSIVE OUTCROP WHICH PROJECTS ABOUT 5 FEET, 9 1/2 FEET SOUTHEAST OF THE CENTER LINE OF THE ROAD, 137 FEET SOUTHWEST OF THE WEST CORNER OF LAZY MOON RANCH BARN, 37 FEET NORTHEAST OF THE CENTER OF THE CROSSING OF A CREEK, 13.5 FEET SOUTHEAST AND ACROSS THE ROAD FROM A FENCE, 3.0 FEET SOUTHWEST OF A WITNESS POST, AND ABOUT 3 1/2 FEET HIGHER THAN THE ROAD. KT1027 A 1064 http://www.geocaching.com/mark/details.asp?PID=KT1027 A 1064 Geocache Geocache A 1064 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1064</h1> <b> PID </b> KT1027 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> DOS RIOS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 41 25. (N) 123 21 36. (W) SCALED <br> <b> NAVD 88 </b> 295.37 (+/-2cm) 969.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.26 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 725,510. </td><td> 1,883,350. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 294.443 (m) 966.02 (f) ADJ UNCH 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: 10SDJ691934(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>STAMPING: A 1064 1966 <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>1966 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1966 2 MI S FROM DOS RIOS. 2.0 MILES SOUTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT DOS RIOS, IN THE TOP OF A LONE EMBEDDED BOULDER WHICH PROJECTS ABOUT 3 FEET, 92 FEET SOUTH OF THE SOUTH END OF THE WEST HEAD WALL OF CULVERT 164.51, 128 FEET NORTH OF THE WEST END OF PIPE CULVERT NUMBER 164.46, 27.3 FEET WEST OF THE WEST RAIL AND ABOUT 4 1/2 FEET ABOVE THE TRACK. KT0669 A 1065 http://www.geocaching.com/mark/details.asp?PID=KT0669 A 1065 Geocache Geocache A 1065 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1065</h1> <b> PID </b> KT0669 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO PASS (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 47 45. (N) 122 56 28. (W) SCALED <br> <b> NAVD 88 </b> 1492.84 (+/-2cm) 4897.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -27.96 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 736,780. </td><td> 1,919,400. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 1491.812 (m) 4894.39 (f) ADJ UNCH 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: 10SEK050050(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: FOUNDATION <br>STAMPING: A 1065 1966 <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>1966 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1966 22.8 MI NE FROM COVELO. 22.85 MILES NORTHEAST ALONG PASKENTA ROAD FROM THE POST OFFICE AT COVELO, AT LOWER GAP GUARD STATION, SET VERTICALLY IN THE SOUTH FACE OF THE CONCRETE FOUNDATION OF THE STATION, 150 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 0.5 FOOT WEST OF THE SOUTHEAST CORNER OF THE FOUNDATION, ABOUT 8 FEET LOWER THAN THE ROAD, AND 0.5 FOOT ABOVE THE GROUND. KT0900 A 1082 http://www.geocaching.com/mark/details.asp?PID=KT0900 A 1082 Geocache Geocache A 1082 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1082</h1> <b> PID </b> KT0900 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> LAYTONVILLE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 41 53. (N) 123 29 11. (W) SCALED <br> <b> NAVD 88 </b> 510.93 (+/-2cm) 1676.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.46 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 726,540. </td><td> 1,872,520. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 509.994 (m) 1673.21 (f) ADJ UNCH 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: 10SDJ583943(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: OUTCROP <br>STAMPING: A 1082 1967 <br>MARK LOGO: CGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - July 27, 1994 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1967 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>19940727</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1967 0.8 MI N FROM LAYTONVILLE. 0.75 MILE NORTH ALONG U.S. HIGHWAY 101 FROM THE POST OFFICE AT LAYTONVILLE, 0.25 MILE SOUTH OF A FIRE CONTROL STATION, ABOUT 200 FEET SOUTH OF THE CREST OF A SMALL RISE IN THE HIGHWAY GRADE, IN THE TOP OF A 6- BY 8-FOOT OUTCROP WHICH PROJECTS ABOUT 4 FEET ABOVE THE GROUND, BETWEEN TWO 8-INCH PINE TREES, 93 FEET EAST OF THE CENTER LINE OF THE HIGHWAY, 45 FEET EAST OF A FENCE, 3.0 FEET EAST OF A WITNESS POST, ABOUT 12 FEET HIGHER THAN THE HIGHWAY AND 4 FEET ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1994) </h2> <p>RECOVERY NOTE BY CALTRANS 1994 (GAA) RECOVERED IN GOOD CONDITION. NOTE--THE FOLLOWING INFORMATION-- THE POST OFFICE HAS MOVED. THE MARK IS 40 FT (12.2 M) EAST OF A FENCE. TO REACH THE MARK FROM THE JUNCTION OF BRANSCOMB ROAD AND U.S. HIGHWAY 101 NEAR THE NORTH END OF LAYTONVILLE GO NORTH ON HIGHWAY 101 0.72 MI (1.16 KM) TO THE MARK ON THE RIGHT. IT IS AT APPROXIMATE HIGHWAY POST MILE 70.23. KT1495 A 1083 http://www.geocaching.com/mark/details.asp?PID=KT1495 A 1083 Geocache Geocache A 1083 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1083</h1> <b> PID </b> KT1495 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NOBLE BUTTE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 52 38. (N) 123 42 43. (W) SCALED <br> <b> NAVD 88 </b> 288.49 (+/-2cm) 946.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.92 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 746,770. </td><td> 1,853,560. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 287.567 (m) 943.46 (f) ADJ UNCH 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: 10SDK391143(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <br>STAMPING: A 1083 1967 <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>1967 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>19880714</td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1967 0.7 MI N FROM LEGGETT. 0.7 MILE NORTH ALONG U.S. HIGHWAY 101 FROM THE POST OFFICE AT LEGGETT, AT HIGHWAY MILEAGE 93.01, IN THE TOP OF THE SOUTH END OF THE EAST CONCRETE GUARDRAIL OF CONCRETE BRIDGE 10-53 OVER JITNEY GULCH, 15 FEET EAST OF THE CENTER LINE OF THE HIGHWAY, 1.5 FEET NORTH OF THE SOUTH END OF THE BRIDGE, AND ABOUT 4 FEET HIGHER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 MARK NOT FOUND. JT9401 A 1404 http://www.geocaching.com/mark/details.asp?PID=JT9401 A 1404 Geocache Geocache A 1404 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1404</h1> <b> PID </b> JT9401 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> YORKVILLE (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 53 40. (N) 123 12 28. (W) SCALED <br> <b> NAVD 88 </b> 276.068 (meters) 905.73 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.47 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 275.891 (meters) 905.15 (feet) COMP <br> <b> MODELED GRAV</b> 979,981.0 (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 2 </td><td> 636,990. </td><td> 1,895,230. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 275.175 (m) 902.80 (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: 10SDJ819050(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: BEDROCK <br>STAMPING: A 1404 1987 <br>MARK LOGO: NGS <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>1987 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1987 21.1 KM (13.10 MI) SE FROM BOONVILLE. 21.1 KM (13.10 MI) SOUTHEASTERLY ALONG STATE HIGHWAY 128 FROM THE POST OFFICE IN BOONVILLE, IN THE MOST SOUTHEASTERLY 1/3 OF AN EXPOSED AREA OF BEDROCK IN A HIGHWAY CUT, 43.0 M (141.1 FT) NORTHWEST OF CATCH BASIN NUMBER 41.99, 6.40 M (21.0 FT) NORTHWEST OF THE SOUTHEAST END OF THE EXPOSED BEDROCK, 6.0 M (19.7 FT) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, AND 0.90 M (3.0 FT) NORTHWEST OF THE EXTENDED CENTER OF A DRIVEWAY LEADING NORTHWEST TO A HOUSE AT 27000 STATE HIGHWAY 128. THE MARK IS 0.6 METERS NW FROM A WITNESS POST THE MARK IS 0.6 M ABOVE THE HIGHWAY. KT1789 A 1436 http://www.geocaching.com/mark/details.asp?PID=KT1789 A 1436 Geocache Geocache A 1436 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1436</h1> <b> PID </b> KT1789 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> WESTPORT (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 42 38. (N) 123 48 24. (W) SCALED <br> <b> NAVD 88 </b> 24.822 (meters) 81.44 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.59 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 24.809 (meters) 81.39 (feet) COMP <br> <b> MODELED GRAV</b> 980,135.6 (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 2 </td><td> 728,430. </td><td> 1,845,090. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 23.920 (m) 78.48 (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: 10SDJ308959(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: IN A DRILL HOLE IN BEDROCK <br>STAMPING: A 1436 1988 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <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>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 9.0 KM (5.60 MI) NORTHERLY ALONG STATE HIGHWAY 1 FROM THE JUNCTION OF ABALONE STREET IN WESTPORT, IN THE SOUTH END OF A 10 BY 15 FOOT EXPOSED AREA OF BEDROCK IN A HIGHWAY CUT, 0.4 KM (0.25 MI) SOUTH OF A BRIDGE SPANNING HARDY CREEK, 9.1 M (29.9 FT) EAST OF THE CENTERLINE OF THE HIGHWAY, 9.1 M (29.9 FT) SOUTH OF THE CENTER OF CATCH BASIN NUMBER 83.53, 1.5 M (4.9 FT) NORTH OF A WITNESS POST, AND 0.3 M (1.0 FT) ABOVE THE LEVEL OF THE HIGHWAY. KT1756 A 1437 http://www.geocaching.com/mark/details.asp?PID=KT1756 A 1437 Geocache Geocache A 1437 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1437</h1> <b> PID </b> KT1756 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> LEGGETT (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 51 50. (N) 123 43 22. (W) SCALED <br> <b> NAVD 88 </b> 233.435 (meters) 765.86 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -29.98 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 233.303 (meters) 765.43 (feet) COMP <br> <b> MODELED GRAV</b> 980,056.7 (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 2 </td><td> 745,310. </td><td> 1,852,600. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 232.518 (m) 762.85 (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: 10SDK381129(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 38 = SET IN THE ABUTMENT OR PIER OF A LARGE BRIDGE <br>SP_SET: ABUTMENT CURBING <br>STAMPING: A 1437 1988 <br>MARK LOGO: NGS <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>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 0.9 KM (0.55 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE JUNCTION OF U.S. HIGHWAY 101 IN LEGGETT, IN THE EAST END OF THE SOUTH CONCRETE ABUTMENT CURBING OF A HIGHWAY BRIDGE SPANNING THE SOUTH FORK OF THE EEL RIVER, 4.7 M (15.4 FT) SOUTH OF THE CENTERLINE OF THE HIGHWAY, 0.3 M (1.0 FT) WEST OF THE EAST END OF THE SOUTH CURBING, AND 0.3 M (1.0 FT) ABOVE THE HIGHWAY. KT2202 A 1438 http://www.geocaching.com/mark/details.asp?PID=KT2202 A 1438 Geocache Geocache A 1438 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1438</h1> <b> PID </b> KT2202 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> INGLENOOK (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 35 24. (N) 123 46 40. (W) SCALED <br> <b> NAVD 88 </b> 40.391 (meters) 132.52 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.75 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 40.369 (meters) 132.44 (feet) COMP <br> <b> MODELED GRAV</b> 980,091.1 (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 2 </td><td> 715,000. </td><td> 1,847,300. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 39.489 (m) 129.56 (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: 10SDJ332825(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: STAINLESS STEEL ROD <br>STAMPING: A 1438 1988 <br>MARK LOGO: NGS <br>PROJECTION: PROJECTING 4 CENTIMETERS <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br>ROD/PIPE-DEPTH: 6.5 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 6.6 KM (4.10 MI) SOUTH FROM WESTPORT. 6.6 KM (4.10 MI) SOUTHERLY ALONG U.S. HIGHWAY 1 FROM THE JUNCTION OF ABALONE STREET IN WESTPORT, 0.2 KM (0.10 MI) SOUTHWEST OF A HIGHWAY BRIDGE SPANNING KIBESILLAH CREEK, 43.9 M (144.0 FT) SOUTHEAST OF THE CENTER OF A DRIVEWAY LEADING WEST, 11.1 M (36.4 FT) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, AND 5.6 M (18.4 FT) NORTHEAST OF UTILITY POLE NUMBER 390 111. NOTE--ACCESS TO DATUM POINT IS HAD THROUGH A 5-INCH LOGO CAP. THE MARK IS 0.2 METERS NW FROM A WITNESS POST THE MARK IS 0.3 M ABOVE THE HIGHWAY. KT2232 A 1439 http://www.geocaching.com/mark/details.asp?PID=KT2232 A 1439 Geocache Geocache A 1439 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1439</h1> <b> PID </b> KT2232 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> ALBION (1960) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 14 23. (N) 123 46 12. (W) SCALED <br> <b> NAVD 88 </b> 31.443 (meters) 103.16 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.43 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 31.426 (meters) 103.10 (feet) COMP <br> <b> MODELED GRAV</b> 980,104.1 (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 2 </td><td> 676,110. </td><td> 1,847,210. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 30.549 (m) 100.23 (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: 10SDJ335436(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 15 = METAL ROD DRIVEN INTO GROUND. SEE TEXT FOR ADDITIONAL <br>WITH SETTING: INFORMATION. <br>SP_SET: SHALLOW-SET METAL ROD <br>STAMPING: A 1439 1988 <br>MARK LOGO: NGS <br>PROJECTION: FLUSH <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>ROD/PIPE-DEPTH: 2.2 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 24.0 KM (14.90 MI) SOUTH FROM FORT BRAGG. 24.0 KM (14.90 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE JUNCTION OF OAK STREET IN FORT BRAGG, 7.2 M (23.6 FT) SOUTH OF THE CENTER OF A GRAVELED ROAD LEADING EAST, 7.0 M (23.0 FT) NORTH OF THE CENTERLINE OF THE HIGHWAY, AND 5.1 M (16.7 FT) SOUTH OF UTILITY POLE STUB NUMBER 4571. NOTE--ACCESS TO DATUM POINT IS HAD THROUGH A 5-INCH LOGO CAP. THE MARK IS 0.3 METERS SW FROM A WITNESS POST THE MARK IS 0.6 M BELOW THE HIGHWAY. KT2254 A 1440 http://www.geocaching.com/mark/details.asp?PID=KT2254 A 1440 Geocache Geocache A 1440 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1440</h1> <b> PID </b> KT2254 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MALLO PASS CREEK (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 00 23. (N) 123 41 16. (W) SCALED <br> <b> NAVD 88 </b> 49.890 (meters) 163.68 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.70 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 49.863 (meters) 163.59 (feet) COMP <br> <b> MODELED GRAV</b> 980,088.4 (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 2 </td><td> 650,070. </td><td> 1,853,830. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 48.997 (m) 160.75 (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: 10SDJ404177(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: BEDROCK <br>STAMPING: A 1440 1988 <br>MARK LOGO: NGS <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>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 4.1 KM (2.55 MI) NORTH FROM MANCHESTER. 4.1 KM (2.55 MI) NORTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN MANCHESTER, IN A 2 BY 8 FOOT EXPOSED AREA OF BEDROCK IN A HIGHWAY CUT, 98.1 M (321.8 FT) NORTH OF CATCH BASIN NUMBER 2319, 50.9 M (167.0 FT) NORTH OF THE CENTER OF AN OVERHEAD UTILITY LINE, AND 7.5 M (24.6 FT) EAST OF THE CENTERLINE OF THE HIGHWAY. THE MARK IS 2.2 METERS SSE FROM A WITNESS POST THE MARK IS 0.9 M ABOVE THE HIGHWAY. KT1270 A 147 http://www.geocaching.com/mark/details.asp?PID=KT1270 A 147 Geocache Geocache A 147 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 147</h1> <b> PID </b> KT1270 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> PHILO (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 04 37. (N) 123 27 52. (W) SCALED <br> <b> NAVD 88 </b> 60.650 (meters) 198.98 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.73 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 60.616 (meters) 198.87 (feet) COMP <br> <b> MODELED GRAV</b> 980,061.5 (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 2 </td><td> 657,570. </td><td> 1,873,290. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 59.763 (m) 196.07 (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: 10SDJ598254(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: A 147 1932 <br>MARK LOGO: CGS <br>PROJECTION: PROJECTING 5 CENTIMETERS <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>1964 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1964 1.7 MI NW FROM PHILO. 1.7 MILES NORTHWEST ALONG STATE HIGHWAY 128 FROM THE POST OFFICE AT PHILO, 275 FEET NORTHWEST OF CULVERT B-353+08, 49.3 FEET SOUTHEAST OF A FENCE CORNER, 34.0 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, IN LINE WITH A ROW OF POWERLINE POLES, 2.6 FEET NORTHWEST OF POWERLINE POLE 91071 266, ABOUT THE SAME ELEVATION AS THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. 11.9 KM (7.40 MI) NORTHWESTERLY ALONG STATE HIGHWAY 128 FROM THE POST OFFICE IN BOONVILLE, 33.4 M (109.6 FT) NORTH OF THE NORTH CORNER OF A HOUSE, 16.7 M (54.8 FT) NORTHEAST OF A FENCE, 14.8 M (48.6 FT) SOUTHEAST OF A FENCE CORNER, 10.1 M (33.1 FT) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, AND 0.9 M (3.0 FT) NORTHWEST OF UTILITY POLE NUMBER 91071 266. THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. KT1591 A 231 http://www.geocaching.com/mark/details.asp?PID=KT1591 A 231 Geocache Geocache A 231 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 231</h1> <b> PID </b> KT1591 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> WESTPORT (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 38 11. (N) 123 46 57. (W) SCALED <br> <b> NAVD 88 </b> 35.810 (meters) 117.49 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.66 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 35.792 (meters) 117.43 (feet) COMP <br> <b> MODELED GRAV</b> 980,121.2 (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 2 </td><td> 720,160. </td><td> 1,847,000. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 34.909 (m) 114.53 (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: 10SDJ328876(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: A 231 1935 <br>MARK LOGO: CGS <br>PROJECTION: PROJECTING 20 CENTIMETERS <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>1942 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1958 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 AT WESTPORT. AT WESTPORT, MENDOCINO COUNTY, ON STATE HIGHWAY 1, ONE BLOCK WEST OF THE PUBLIC SCHOOL, 86 FEET WEST OF THE CENTERLINE OF A SIDE STREET, 29 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY, AND 10 FEET WEST OF THE SOUTHWEST CORNER OF A BARN. A STANDARD DISK, STAMPED A 231 1935 AND SET IN THE TOP OF A CONCRETE POST. NOTE-- THE MARK IS 75 FEET WEST OF THE CENTERLINE OF THE SIDE STREET. THE SCHOOL HAS BEEN MOVED AND THE BARN HAS BEEN TORN DOWN. THE MARK IS AT THE CENTER OF THE HIGHWAY SIDE OF A VACANT LOT. <p> <h2>STATION RECOVERY (1958) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1958 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. IN WESTPORT, AT THE INTERSECTION OF STATE HIGHWAY 1 AND HILLCREST TERRACE, 22.8 M (74.8 FT) WEST OF THE CENTERLINE OF THE TERRACE, 8.1 M (26.6 FT) NORTH OF THE CENTERLINE OF THE HIGHWAY, AND 0.7 M (2.3 FT) SOUTH OF A FENCE. THE MARK IS 0.3 METERS S FROM A WITNESS POST THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. KT1085 A 263 http://www.geocaching.com/mark/details.asp?PID=KT1085 A 263 Geocache Geocache A 263 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 263</h1> <b> PID </b> KT1085 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> BAILEY RIDGE (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 11 20. (N) 123 25 48. (W) SCALED <br> <b> NAVD 88 </b> 438.47 (+/-2cm) 1438.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.35 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 669,950. </td><td> 1,876,470. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 437.552 (m) 1435.54 (f) ADJ UNCH 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: 10SDJ628378(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 263 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>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 13.1 MI SE FROM COMPTCHE. 8.5 MILES SOUTHEAST ALONG ORRS SPRINGS ROAD FROM THE POST OFFICE AT COMPTCHE, THENCE 4.6 MILES SOUTHEAST ALONG LOW GAP ROAD, 35 FEET WEST OF AND ACROSS THE RAOD FROM A TRIANGULAR-BLAZED 40-INCH REDWOOD TREE, 17 FEET SOUTHWEST OF THE CENTERLINE OF THE ROAD, 13 FEET NORTHWEST OF A TRIANGULAR-BLAZED 30-INCH MANDRONE TREE, 1.8 FEET SOUTHWEST OF A METAL WITNESS POST, ABOUT 3 FEET HIGHER TAHN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. KT1351 A 264 http://www.geocaching.com/mark/details.asp?PID=KT1351 A 264 Geocache Geocache A 264 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 264</h1> <b> PID </b> KT1351 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NAVARRO (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 13 28. (N) 123 35 33. (W) SCALED <br> <b> NAVD 88 </b> 158.12 (+/-2cm) 518.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.81 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 674,130. </td><td> 1,862,500. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 157.226 (m) 515.83 (f) ADJ UNCH 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: 10SDJ488418(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: 264 A 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>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 3.2 MI S FROM COMPTCHE. 3.2 MILES SOUTH ALONG THE NAVARRO-COMPTCHE ROAD FROM THE POST OFFICE AT COMPTCHE, 44.5 FEET NORTH OF THE CENTERLINE OF THE ROAD, 23 FEET EAST OF THE CENTERLINE OF A RANCH ENTRANCE ROAD, 16.8 FEET NORTH OF A FENCE CORNER, 1.6 FEET WEST OF A FENCE LINE, 1.2 FEET EAST OF A METAL WITNESS POST, ABOUT 4 FEET HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND. KT1264 A 266 RESET 1942 http://www.geocaching.com/mark/details.asp?PID=KT1264 A 266 RESET 1942 Geocache Geocache A 266 RESET 1942 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 266 RESET 1942</h1> <b> PID </b> KT1264 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> PHILO (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 00 21. (N) 123 24 29. (W) SCALED <br> <b> NAVD 88 </b> 308.56 (+/-2cm) 1012.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.69 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 649,600. </td><td> 1,878,050. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 307.665 (m) 1009.40 (f) ADJ UNCH 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: 10SDJ646175(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 266 1935 RESET 1942 <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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1964 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 3 MI SW FROM BOONVILLE. 3.0 MILES SOUTHWEST ALONG THE MANCHESTER ROAD FROM THE POST OFFICE AT BOONVILLE, MENDOCINO COUNTY, 23 FEET NORTHEAST OF THE EDGE OF A CREEK, 27 FEET SOUTH AND 60 FEET EAST OF A WOODEN-BOX CULVERT WITH LOG RETAINING WALLS, 30 FEET SOUTH OF THE CENTERLINE OF THE ROAD, AND NEAR A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED A 266 1935 RESET 1942 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1964) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1964 MARK NOT FOUND. KT1409 A 267 http://www.geocaching.com/mark/details.asp?PID=KT1409 A 267 Geocache Geocache A 267 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 267</h1> <b> PID </b> KT1409 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> COMPTCHE (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 21 14. (N) 123 36 24. (W) SCALED <br> <b> NAVD 88 </b> 103.98 (+/-2cm) 341.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.58 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 688,520. </td><td> 1,861,530. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 103.074 (m) 338.17 (f) ADJ UNCH 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: 10SDJ477562(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 267 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>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 17.4 MI E FROM CASPER. 0.1 MILE NORTH ALONG THE MAIN STREET FROM THE POST OFFICE AT CASPER, THENCE 0.3 MILE EAST ALONG A PAVED ROAD, THENCE 0.5 MILE SOUTH ALONG STATE HIGHWAY 1, THENCE 4.9 MILES SOUTHEAST ALONG GRAVEYARD ROAD, THENCE 6.2 MILES NORTHEAST ALONG LITTLE LAKE ROAD, THENCE 5.4 MILES EAST ALONG STATE HIGHWAY 20, AT THE OLD CASPER LUMBER COMPANY CAMP 19, 81 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY, 53 FEET SOUTHWEST OF THE CENTERLINE OF A PAVED ROAD, 30 FEET NORTH OF THE CENTERLINE OF A PAVED ROAD, ABOUT 3 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.1 FOOT ABOVE THE GROUND. KT0967 A 268 http://www.geocaching.com/mark/details.asp?PID=KT0967 A 268 Geocache Geocache A 268 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 268</h1> <b> PID </b> KT0967 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> LAYTONVILLE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 40 24. (N) 123 30 03. (W) SCALED <br> <b> NAVD 88 </b> 510.45 (+/-2cm) 1674.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.52 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 723,820. </td><td> 1,871,240. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 509.524 (m) 1671.66 (f) ADJ UNCH 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: 10SDJ570916(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 268 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>1966 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1967 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 1.8 MI SW FROM LAYTONVILLE. 1.8 MILES SOUTHWEST ALONG THE BRANSCOMB ROAD FROM THE POST OFFICE AT LAYTONVILLE, ON THE OUTSIDE OF A CURVE, 92 FEET SOUTH OF THE CENTERLINE OF THE ROAD, 88 FEET SOUTHEAST OF A TELEPHONE POLE, 73 FEET SOUTH OF THE SOUTH END OF AN 18-INCH CORRUGATED METAL PIPE CULVERT, 0.8 FOOT NORTH OF A WOODEN WITNESS POST, ABOUT THE SAME ELEVATION AS THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1967) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1967 MARK NOT FOUND. KT1274 A 275 http://www.geocaching.com/mark/details.asp?PID=KT1274 A 275 Geocache Geocache A 275 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 275</h1> <b> PID </b> KT1274 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> ORRS SPRINGS (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 13 00. (N) 123 21 03. (W) SCALED <br> <b> NAVD 88 </b> 698.66 (+/-2cm) 2292.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.04 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 672,930. </td><td> 1,883,350. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 697.733 (m) 2289.15 (f) ADJ UNCH 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: 10SDJ697408(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 275 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>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 12.9 MI NW FROM UKIAH. 1.8 MILES NORTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT UKIAH, THENCE 0.3 MILE WEST ALONG A PAVED ROAD, THENCE 9.5 MILES NORTHWEST ALONG ORRS SPRINGS ROAD, THENCE 1.3 MILES SOUTHWEST ALONG A GRADED RANCH ROAD, ALONG A NORTH-SOUTH RIDGE BETWEEN THE HEADWATERS OF SOUTH FORK BIG RIVER AND ACKERMAN CREEK, ON THE INSIDE OF A CURVE, ABOUT 65 FEET EAST OF THE CENTERLINE OF THE ROAD, 35 FEET SOUTH OF A 36-INCH PINE TREE STUMP, 25 FEET EAST OF A 14-INCH OAK TREE, 8 FEET WEST OF THE CENTERLINE OF AN ABANDONED SECTION OF THE ROAD, ABOUT 16 FEET HIGHER THAN THE NEWER ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND. KT1357 A 485 http://www.geocaching.com/mark/details.asp?PID=KT1357 A 485 Geocache Geocache A 485 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 485</h1> <b> PID </b> KT1357 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 15 47. (N) 123 45 08. (W) SCALED <br> <b> NAVD 88 </b> 171.05 (+/-2cm) 561.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.28 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 678,670. </td><td> 1,848,800. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 170.151 (m) 558.24 (f) ADJ UNCH 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: 10SDJ351462(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 4 = OBJECT SURROUNDED BY MASS OF CONCRETE <br>SP_SET: MANHOLE <br>STAMPING: A 485 1954 <br>MARK LOGO: CGS <br>MAGNETIC: O = OTHER; SEE DESCRIPTION <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>1954 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19870615</td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 4 MI NE FROM ALBION. 3.2 MILES NORTHEAST ALONG THE ALBION-COMPTCHE ROAD FROM THE JUNCTION OF STATE HIGHWAY 1 AT ALBION, THENCE 0.6 MILE NORTHWEST ALONG AIRPORT ROAD, THENCE 0.2 MILE SOUTHWEST ALONG THE AIRPORT ENTRANCE ROAD, AT THE LITTLE RIVER AIRPORT, NEAR THE CENTER OF THE AIRPORT, 171.2 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF THE AIRPORT OFFICE, 73.2 FEET NORTHEAST OF BENCH MARK ARP 1954, 42.1 FEET SOUTHEAST OF THE SOUTHEAST EDGE OF A SHORT TAXIWAY, 40.5 FEET NORTHWEST OF THE NORTHWEST EDGE OF A SHORT TAXIWAY, 23.6 FEET SOUTHWEST OF THE SOUTHWEST EDGE OF A CONCRETE APRON, AND IN THE TOP OF THE NORTHEAST CORNER OF THE CONCRETE RIM OF A LARGE MANHOLE. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 THE STATION IS IN THE CENTER OF THE RAMP AREA, IN THE N-MOST CORNER OF THE CONCRETE RIM AROUND A LARGE MANHOLE. IT IS LOCATED 2351 FT (716.6 M) SW FROM THE JUNCTION OF 2 CONCRETE SLABS IN THE CONCRETE APRON, AND 73.24 FT (22.32 M) NE FROM STATION ARP 1954. THE STATION IS A STANDARD CGS BM DISK STAMPED A 485 1954, SET INTO A DRILL HOLE FLUSH WITH THE MANHOLE. KT1476 A 623 CAGS http://www.geocaching.com/mark/details.asp?PID=KT1476 A 623 CAGS Geocache Geocache A 623 CAGS CADH Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 623 CAGS</h1> <b> PID </b> KT1476 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> TAN OAK PARK (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 49 37. (N) 123 35 28. (W) SCALED <br> <b> NAVD 88 </b> 406.77 (+/-2cm) 1334.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.58 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 741,000. </td><td> 1,863,790. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 405.83 (m) 1331.5 (f) COMPUTED 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: 10SDK494087(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 623 1942 <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>1942 </td><td>MONUMENTED </td><td>CADH</td></tr><tr><td>1967 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CA DIV OF HIGHWAYS 1942 2.6 MI SE FROM CUMMINGS. 2.6 MILES SOUTHEAST ALONG REDWOOD HIGHWAY FROM THE POST OFFICE AT CUMMINGS, MENDOCINO COUNTY, 0.2 MILE EAST OF THE EMPIRE GARAGE, MIDWAY BETWEEN TWO CURVES, 25 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY, ON A ROCK POINT ABOVE RATTLESNAKE RIVER, AND NEAR A WHITE WOODEN WITNESS POST. A CALIFORNIA DIVISION OF HIGHWAYS STANDARD DISK, STAMPED A 623 1942 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1967) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 MARK NOT FOUND. JT1432 A 630 http://www.geocaching.com/mark/details.asp?PID=JT1432 A 630 Geocache Geocache A 630 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 630</h1> <b> PID </b> JT1432 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 59 00. (N) 123 41 11. (W) SCALED <br> <b> NAVD 88 </b> 37.930 (meters) 124.44 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.78 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 37.909 (meters) 124.37 (feet) COMP <br> <b> MODELED GRAV</b> 980,085.8 (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 2 </td><td> 647,510. </td><td> 1,853,900. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 37.037 (m) 121.51 (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: 10SDJ405151(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: A 630 1942 <br>MARK LOGO: CGS <br>PROJECTION: FLUSH <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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 1.1 MI N FROM MANCHESTER. 1.1 MILES NORTH ALONG STATE HIGHWAY 1 FROM THE MANCHESTER ELEMENTARY SCHOOL AT MANCHESTER, AT THE SOUTH FOOT OF A SHORT, SHARP RISE IN THE HIGHWAY, 66.0 FEET NORTHWEST OF AND ACROSS THE HIGHWAY FROM A METAL GATE AT A FARM ROAD LEADING EAST, 32.2 FEET SOUTHWEST OF A FENCE CORNER, 18.3 FEET SOUTHWEST OF TELEPHONE POLE 193, 17.8 FEET NORTHWEST OF THE CENTERLINE OF THE HIGHWAY, 1.9 FEET SOUTHEAST OF A FENCE LINE, 1.5 FEET WEST OF A METAL WITNESS POST, ABOUT 1 FOOT HIGHER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW DESCRPITION FOLLOWS. 1.4 KM (0.85 MI) NORTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN MANCHESTER, 6.4 M (21.0 FT) SOUTHWEST OF A UTILITY POLE, AND 5.4 M (17.7 FT) NORTHWEST OF THE CENTERLINE OF THE HIGHWAY. THE MARK IS 0.6 METERS SE FROM A WITNESS POST THE MARK IS 0.3 M ABOVE THE HIGHWAY. KT1009 A 637 http://www.geocaching.com/mark/details.asp?PID=KT1009 A 637 Geocache Geocache A 637 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 637</h1> <b> PID </b> KT1009 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> UPDEGRAFF RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 58 21. (N) 123 26 45. (W) SCALED <br> <b> NAVD 88 </b> 189.34 (+/-2cm) 621.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.42 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 756,960. </td><td> 1,876,490. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 188.407 (m) 618.13 (f) ADJ UNCH 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: 10SDK619248(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: A 637 1942 <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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 5.4 MI SE FROM ISLAND MOUNTAIN. IN MENDOCINO COUNTY, 5.4 MILES SOUTHEAST ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT ISLAND MOUNTAIN, TRINITY COUNTY, 2-1/2 POLES SOUTH OF THE STATION AT RAMSEY, 25 FEET WEST OF THE CENTERLINE OF THE MAIN TRACK, AND IN THE SOUTH END OF A CONCRETE CULVERT. A STANDARD DISK, STAMPED A 637 1942. KT1428 A 640 http://www.geocaching.com/mark/details.asp?PID=KT1428 A 640 Geocache Geocache A 640 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 640</h1> <b> PID </b> KT1428 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 21 42. (N) 123 48 43. (W) SCALED <br> <b> NAVD 88 </b> 13.28 (+/-2cm) 43.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.34 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 689,710. </td><td> 1,843,860. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 12.386 (m) 40.64 (f) ADJ UNCH 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: 10SDJ300572(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 640 1942 <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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 1.2 MI S FROM CASPER. 0.1 MILE NORTH ALONG THE MAIN STREET FORM THE POST OFFICE AT CASPER, THENCE 0.3 MILE EAST ALONG A PAVED ROAD, THENCE 0.5 MILE SOUTH ALONG STATE HIGHWAY 1, THENCE 0.3 MILE NORTHWEST ALONG GRAVEYARD ROAD, AT THE SOUTH END OF THE OLD CASPER CREEK BRIDGE, 12 FEET WEST OF THE CENTERLINE OF THE ROAD, 9.7 FEET SOUTH OF THE SOUTH CONCRETE ABUTMENT OF THE OLD BRIDGE, 2.7 FEET NORTH OF THE SOUTH END OF THE GUARD RAIL, ABOUT 2 FEET LOWER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND. KT1429 A 640 RESET http://www.geocaching.com/mark/details.asp?PID=KT1429 A 640 RESET Geocache Geocache A 640 RESET CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 640 RESET</h1> <b> PID </b> KT1429 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 21 38. (N) 123 48 30. (W) SCALED <br> <b> NAVD 88 </b> 51.237 (meters) 168.10 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.32 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 51.211 (meters) 168.01 (feet) COMP <br> <b> MODELED GRAV</b> 980,114.6 (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 2 </td><td> 689,580. </td><td> 1,844,170. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 50.341 (m) 165.16 (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: 10SDJ303571(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 38 = SET IN THE ABUTMENT OR PIER OF A LARGE BRIDGE <br>SP_SET: ABUTMENT <br>STAMPING: A 640 RESET 1965 <br>MARK LOGO: CGS <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>1965 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 0.1 MI S FROM CASPER. ABOUT 0.1 MILE SOUTH ALONG STATE HIGHWAY 1 FROM CASPER, AT THE NORTH END OF THE CASPER CREEK BRIDGE, 1 FOOT WEST OF THE EAST GUARD RAIL, 0.7 FOOT SOUTH OF THE NORTH END OF THE BRIDGE AND SET IN THE CONCRETE BRIDGE DECK. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 9.2 KM (5.70 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE JUNCTION OF OAK STREET IN FORT BRAGG. KT0966 A 641 RESET 1949 http://www.geocaching.com/mark/details.asp?PID=KT0966 A 641 RESET 1949 Geocache Geocache A 641 RESET 1949 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 641 RESET 1949</h1> <b> PID </b> KT0966 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> LAYTONVILLE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 41 16. (N) 123 29 33. (W) SCALED <br> <b> NAVD 88 </b> 495.29 (+/-2cm) 1625.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.49 (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 2 </td><td> 725,410. </td><td> 1,871,980. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 494.36 (m) 1621.9 (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: 10SDJ577932(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: A 641 1942 RESET 1949 <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>1949 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 0.5 MI W FROM LAYTONVILLE. 0.5 MILE WEST ALONG THE BRANSCOMB ROAD FROM THE POST OFFICE AT LAYTONVILLE, 100 FEET WEST OF THE WEST END OF A CONCRETE BRIDGE OVER TEN MILE CREEK, 27 FEET SOUTH OF THE CENTERLINE OF THE ROAD, 4.6 FEET SOUTHEAST OF A FENCE CORNER, 1.9 FEET NORTH OF A WOODEN WITNESS POST, ABOUT 4 FEET HIGHER THAN THE ROAD, AND WELDED TO THE TOP OF A 3-1/2-INCH IRON PIPE PROJECTING 0.8 FOOT ABOVE THE GROUND. KT0904 A 673 http://www.geocaching.com/mark/details.asp?PID=KT0904 A 673 Geocache Geocache A 673 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 673</h1> <b> PID </b> KT0904 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> DOS RIOS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 42 41. (N) 123 20 49. (W) SCALED <br> <b> NAVD 88 </b> 285.44 (+/-2cm) 936.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.26 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 727,840. </td><td> 1,884,500. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 284.523 (m) 933.47 (f) ADJ UNCH 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: 10SDJ702957(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <br>STAMPING: A 673 1942 <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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 0.6 MI SE FROM DOS RIOS. 0.6 MILE SOUTHEAST ALONG A ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT DOS RIOS, AT THE JUNCTION OF STATE HIGHWAY 7, IN THE TOP OF THE SOUTH END OF THE EAST CONCRETE ABUTMENT OF A STEEL TRUSS BRIDGE OVER MIDDLE FORK EEL RIVER, 14 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 3.3 FEET SOUTH OF THE EAST END OF THE SOUTH WOODEN GUARDRAIL, AND ABOUT LEVEL WITH THE HIGHWAY. JT1458 A 902 http://www.geocaching.com/mark/details.asp?PID=JT1458 A 902 Geocache Geocache A 902 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 902</h1> <b> PID </b> JT1458 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> GUALALA (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 47 41. (N) 123 34 00. (W) SCALED <br> <b> NAVD 88 </b> 29.14 (+/-2cm) 95.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -32.00 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 626,390. </td><td> 1,863,910. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 28.265 (m) 92.73 (f) ADJ UNCH 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: 10SDH507941(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 902 1956 <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>1956 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1964 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1964 3 MI NW FROM GUALALA. 3.0 MILES NORTHWEST ALONG STATE HIGHWAY 1 FROM THE GUALALA HOTEL AT GUALALA, 0.9 MILE SOUTHEAST OF THE VILLAGE OF ANCHOR BAY, IN R15W T11N S20, AT THE INTERSECTION OF A DIM TRACK ROAD LEADING SOUTHWEST AND A DIRT ROAD LEADING EAST, AT THE T-JUNCTION OF TELEPHONE LINES, 60.5 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, 16 FEET SOUTHEAST OF THE CENTERLINE OF THE TRACK ROAD, 15.5 FEET SOUTH OF GUYED TELEPHONE POLE 1809, 9.2 FEET SOUTHWEST OF A WOODEN FENCE, 3.7 FEET EAST OF A WOODEN WITNESS POST, 3.1 FEET EAST OF A GUY WIRE AT ITS ENTRANCE FROM THE GROUND, ABOUT 6 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. KT1309 A 961 http://www.geocaching.com/mark/details.asp?PID=KT1309 A 961 Geocache Geocache A 961 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 961</h1> <b> PID </b> KT1309 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POTTER VALLEY (1960) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 19 48. (N) 123 05 57. (W) SCALED <br> <b> NAVD 88 </b> 296.13 (+/-2cm) 971.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.33 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 685,210. </td><td> 1,905,240. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 295.257 (m) 968.69 (f) ADJ UNCH 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: 10SDJ914534(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: IRRIGATION STRUCTURE <br>STAMPING: A 961 1963 <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>1963 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19910429</td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 1 MI NE FROM POTTER VALLEY. 0.5 MILE EAST ALONG AN ASPHALT ROAD FROM THE POST OFFICE AT POTTER VALLEY, THENCE 0.55 MILE NORTH ALONG AN ASPHALT ROAD, IN THE TOP OF THE NORTHEAST CORNER OF A 5- BY 5-FOOT IRRIGATION STRUCTURE, 18 FEET WEST OF THE CENTER LINE OF THE ROAD, 19 FEET WEST OF THE CENTER OF THE JUNCTION OF A DRIVEWAY, AND ABOUT 1/2 FOOT HIGHER THAN THE ROAD. <p> <h2>STATION RECOVERY (1991) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1991 (TM) RECOVERED IN GOOD CONDITION. KT1291 AA 960 http://www.geocaching.com/mark/details.asp?PID=KT1291 AA 960 Geocache Geocache AA 960 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>AA 960</h1> <b> PID </b> KT1291 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> FOSTER MTN (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 27 35. (N) 123 12 54. (W) SCALED <br> <b> NAVD 88 </b> 510.28 (+/-2cm) 1674.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.21 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 699,740. </td><td> 1,895,440. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 509.365 (m) 1671.14 (f) ADJ UNCH 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: 10SDJ815678(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: OUTCROP <br>STAMPING: AA 960 1963 <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>1963 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 3.1 MI S FROM HEARST. 3.1 MILES SOUTH ALONG HEARST ROAD FROM A LARGE BUILDING AT HEARST, IN THE TOP OF THE SOUTHWEST SIDE OF A MASSIVE OUTCROP, 38 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, 13.0 FEET NORTHEAST OF A WITNESS POST, ABOUT 5 FEET HIGHER THAN THE ROAD, AND 2.5 FEET ABOVE THE GROUND. KT2131 ABALONE POINT 2 http://www.geocaching.com/mark/details.asp?PID=KT2131 ABALONE POINT 2 Geocache Geocache ABALONE POINT 2 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ABALONE POINT 2</h1> <b> PID </b> KT2131 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> WESTPORT (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 39 40 01.83544(N) 123 47 30.97557(W) ADJUSTED <br> <b> NAVD 88 </b> 20.6 (meters) 68. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 10.52 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.64 (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 2 </td><td> 723,588.832 1</td><td>846,254.359</td><td> MT </td><td>0.99996628</td><td> -1 ' 07 47.1"</td></tr><tr><td>SPC CA 2 </td><td>2,373,974.36 6</td><td>057,252.84 </td><td> sFT </td><td>0.99996628</td><td> -1 ' 07 47.1"</td></tr><tr><td>UTM 10 </td><td>4,391,117.797 </td><td>432,072.984</td><td> MT </td><td>0.99965681</td><td> -0 ' 30 19.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000158 x 0.99996628 = 0.99996786 <br> <b>UTM 10 </b> 1.00000158 x 0.99965681 = 0.99965839 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> VIZCAINO </td><td>343&deg; 24' 29.1"</td></tr><tr><td>UTM 10 </td><td> VIZCAINO </td><td>342&deg; 47' 01.9"</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>DB4612</td><td>ABALONE POINT 2 RM </td><td> 20.700 METERS</td><td>077&deg; 25' </td></tr><tr><td>KT2127</td><td>WESTPORT SCHOOL CUPOLA </td><td>APPROX. 3.6 KM</td><td>166&deg; 09' 28.8"</td></tr><tr><td>KT2132</td><td>SWITZER ROCK </td><td>APPROX. 2.2 KM</td><td>180&deg; 16' 02.8"</td></tr><tr><td>KT2134</td><td>INNER COTTANEVA ROCK </td><td>APPROX. 6.9 KM</td><td>331&deg; 58' 24.0"</td></tr><tr><td>KT2130</td><td>CHRIS ROCK </td><td>APPROX. 5.9 KM</td><td>335&deg; 58' 37.2"</td></tr><tr><td>KT2135</td><td>VIZCAINO </td><td>APPROX. 6.4 KM</td><td>342&deg; 16' 42.0"</td></tr><tr><td>KT2128</td><td>HARDY ROCK </td><td>APPROX. 4.6 KM</td><td>343&deg; 05' 02.1"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 39 40 01.85455(N) 123 47 31.02141(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 39 40 02.16600(N) 123 47 26.85000(W) AD( ) 3 <br> NGVD 29 (07/19/86) 19.7 (m) 65. (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: 10SDJ3207391118(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 35 = SET IN A MAT FOUNDATION OR CONCRETE SLAB OTHER THAN <br>WITH SETTING: PAVEMENT <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1929 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1930 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1935 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1936 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1958 </td><td>SEE DESCRIPTION </td><td>CADH</td></tr><tr><td>1966 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1982 </td><td>GOOD </td><td>NOS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1929 (FGE) STATION IS ON ABALONE POINT 3 MILES N OF WESTPORT. IT IS 43 FEET FROM EDGE OF THE BLUFF TO THE S, 46 FEET TO THE BLUFF TO THE N, AND 57 FEET TO THE BLUFF TO THE W. <p>SURFACE, UNDERGROUND AND REFERENCE MARKS ARE STANDARD BRONZE DISKS SET IN CONCRETE, AS DESCRIBED IN NOTES 1A, 7A, AND 11A. <p>REFERENCE MARK IS 20.71 METERS (67.98 FEET) DISTANT FROM STATION AND BEARS 61 DEG MAGNETIC. IT IS 34 FEET FROM THE CENTER OF THE ROAD. <p> <h2>STATION RECOVERY (1930) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1930 (JHB) STATION RECOVERED AS DESCRIBED. <p> <h2>STATION RECOVERY (1935) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1935 (FHH) STATION IS ON ABALONE POINT, 3 MILES N OF WESTPORT. IT IS 47 FEET S, 48 FEET E AND 47 FEET N OF THE EDGES OF THE BLUFF AND 97 FEET FROM THE EXTREME END OF THE BLUFF TOP AND IS 93 FEET W OF THE CENTER LINE OF THE HIGHWAY. <p>STATION MARK IS A STANDARD DISK SET IN A 12- BY 12-INCH CONCRETE BLOCK FLUSH WITH THE GROUND SURFACE. <p>REFERENCE MARK WAS NOT FOUND. <p> <h2>STATION RECOVERY (1936) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1936 (FHH) STATION IS ON A PROMINENT POINT KNOWN AS ABALONE POINT, ABOUT 2-1/2 MILES FROM WESTPORT, ABOUT 50 FEET W OF COASTAL HIGHWAY, ABOUT 35 FEET E FROM EDGE OF BLUFF. <p> <h2>STATION RECOVERY (1958) </h2> <p>RECOVERY NOTE BY CA DIV OF HIGHWAYS 1958 (JRM) STATION WAS RECOVERED IN GOOD CONDITION. <p>THE STATION IS APPROXIMATELY 160 FEET FROM THE CENTERLINE OF THE HIGHWAY WHICH HAS BEEN RELOCATED, AND ABOUT 25 FEET E. FROM EDGE OF BLUFF. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1966 (EHS) THE STATION MARK AND REFERENCE MARK 1 WERE RECOVERED IN GOOD CONDITION. <p>THE STATION MARK IS A C AND GS TRIANGULATION STATION DISK STAMPED ABALONE PT 2 1929 SET IN THE TOP OF A CONCRETE POST 0.2 FOOT BELOW THE SURFACE OF THE GROUND, 170 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, 103 FEET WEST OF A GUYED POWERLINE POLE, 18 FEET EAST OF THE WEST EDGE OF THE BLUFF, AND 2.2 FEET EAST OF A WOODEN WITNESS POST. <p>REFERENCE MARK 1 (20.705 METERS 67.930 FEET FROM THE STATION MARK IN AZIMUTH 257 DEG 25 MIN) IS A C AND GS REFERENCE MARK DISK SET IN THE TOP OF A CONCRETE POST 0.3 FOOT BELOW THE SURFACE OF THE GROUND, 103 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, 41 FEET NORTHWEST OF THE GUYED POWERLINE POLE, AND ABOUT 1-1/2 FEET HIGHER THAN THE STATION MARK. THE MARK WAS FOUND STAMPED ABALONE PT 2 1929 AND WAS RESTAMPED ABALONE PT 2 NO 1 1929 ON THIS DATE. <p>TO REACH THE STATION FROM THE POST OFFICE AT WESTPORT GO NORTH ON STATE HIGHWAY 1 FOR 2.4 MILES TO ABALONE POINT AND THE STATION ON THE LEFT. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--2 MILES NORTH OF WESTPORT <p> <h2>STATION RECOVERY (1982) </h2> <p>RECOVERY NOTE BY NATIONAL OCEAN SERVICE 1982 (NCA) THE STATION AND REFERENCE MARK WERE RECOVERED IN GOOD CONDITION, COVERED BY 2-INCHES OF GRASS AND SOIL. A NEW DESCRIPTIOM FOLLOWS, THE STATION IS ON ABALONE POINT IN WESTPORT-UNION LANDING STATE BEACH ABOUT 2.5 MILE NORTH OF WESTPORT. IT IS ABOUT 52.1 METERS WEST OF THE CENTERLINE OF THE STATE BEACH ROAD (OLD HIGHWAY 1) AND ABOUT 4.7 METERS EAST OF THE WEST EDGE OF THE BLUFF. THE STATION IS A STANDARD C+GS DISK, STAMPED---ABALONE PT 2 1929-- SET IN MASS OF CONCRETE ABOUT 2-INCHES BELOW THE SURFACE OF THE THE REFERENCE MARK IS A STANDARD C+GC RM DISK, STAMPED---ABALONE PT 2 1929 NO.1---, SET IN A MASS OF CONCRETE ABOUT FLUSH WITH THE SURFACE OF THE GROUND.IT IS ABOUT 32.1 METERS WEST OF THE CENTERLINE OF THE STATE BEACH ROAD (OLD HIGHWAY 1 TO REACH FROM WESTPORT COMMUNITY STORE AND POST OFFICE, DRIVE ON CALIFORNIA HIGHWAY 1 FOR 1.8 MILES TO THE ENTRANCE TO WESPORT- UNION LANDING STATE BEACH. TURN LEFT ONTO THE STATE BEACH ROAD AND DRIVE 0.6 MILE NORTH TO ABALONE POINT. PARK AND WALK WEST TO THE STATION. A CORPS OF ENGINEERS DISK STAMPED -RM 1 1943- IS ABOUT 27.0 METERS SOUTHEAST OF THE STATION. DESCRIBED BY N.M. BOGUE KT2189 ANDERSON http://www.geocaching.com/mark/details.asp?PID=KT2189 ANDERSON Geocache Geocache ANDERSON CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ANDERSON</h1> <b> PID </b> KT2189 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> BEAR HARBOR (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 39 52 31.07376(N) 123 54 46.33538(W) ADJUSTED <br> <b> NAVD 88 </b> 1. (meters) 3. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 8.65 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.63 (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 2 </td><td> 746,902.716 1</td><td>836,366.292</td><td> MT </td><td>1.00000985</td><td> -1 ' 12 21.6"</td></tr><tr><td>SPC CA 2 </td><td>2,450,463.33 6</td><td>024,811.74 </td><td> sFT </td><td>1.00000985</td><td> -1 ' 12 21.6"</td></tr><tr><td>SPC CA 1 </td><td> 561,966.595 1</td><td>836,363.299</td><td> MT </td><td>1.00003373</td><td> -1 ' 15 02.9"</td></tr><tr><td>SPC CA 1 </td><td>1,843,718.74 6</td><td>024,801.92 </td><td> sFT </td><td>1.00003373</td><td> -1 ' 15 02.9"</td></tr><tr><td>UTM 10 </td><td>4,414,315.416 </td><td>421,935.455</td><td> MT </td><td>0.99967502</td><td> -0 ' 35 07.0"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000466 x 1.00000985 = 1.00001451 <br> <b>SPC CA 1 </b> 1.00000466 x 1.00003373 = 1.00003839 <br> <b>UTM 10 </b> 1.00000466 x 0.99967502 = 0.99967968 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> BEAR </td><td>332&deg; 53' 07.2"</td></tr><tr><td>SPC CA 1 </td><td> BEAR </td><td>332&deg; 55' 48.5"</td></tr><tr><td>UTM 10 </td><td> BEAR </td><td>332&deg; 15' 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>DB4620</td><td>ANDERSON RM </td><td> 9.060 METERS</td><td>127&deg; 10' </td></tr><tr><td>KT2177</td><td>NORTH ROCK </td><td>APPROX. 6.0 KM</td><td>325&deg; 53' 31.2"</td></tr><tr><td>KT2188</td><td>MORGAN ROCK </td><td>APPROX. 5.5 KM</td><td>327&deg; 24' 41.3"</td></tr><tr><td>KT2186</td><td>CLUSTER CONE ROCK </td><td>APPROX. 4.7 KM</td><td>329&deg; 31' 31.5"</td></tr><tr><td>KT2187</td><td>BEAR </td><td>APPROX. 4.8 KM</td><td>331&deg; 40' 45.6"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 39 52 31.11685(N) 123 54 46.38546(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 39 52 31.48700(N) 123 54 42.23400(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: 10SDK2193514315(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>1930 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1950 </td><td>SEE DESCRIPTION </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1930 (CP) STATION IS ON A GRASSY BARE COASTAL BLUFF, AT THE N END OF JACKASS GULCH, BLUFF DROPS PRECIPITATELY TO THE OCEAN ABOUT 500 FEET DOWN. A LARGE WHITE ROCK LIES DIRECTLY BELOW STATION ABOUT 100 YARDS OFF HIGHWATER LINE. STATION IS ABOUT 25 FEET E OF OCEAN FACE OF BLUFF AND 6 FEET S OF N FACE OF BLUFF. SMALL STREAM RUNS INTO SEA JUST N OF STATION IN JACKASS GULCH. <p>STATION AND REFERENCE MARKS ARE STANDARD BRONZE DISKS WEDGED IN DRILL HOLES IN OUTCROPPING BEDROCK AS DESCRIBED IN NOTES 2 AND 12A. <p>HEIGHT OF SIGNAL ABOVE STATION MARK - 4 METERS. <p> <h2>STATION RECOVERY (1935) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1935 (FHH) TO REACH STATION, GO 5.0 MILES N OF BRIDGE AT USAL ALONG THE USAL-SHELTER COVE ROAD. TURN LEFT THROUGH CORRAL GATES AND GO 2.1 MILES TO AN OLD LOG ROAD. WALK UPHILL ON THIS ROAD FOR ABOUT 1/4 MILE TO RIDGE EXTENDING DOWN TOWARD COAST. FOLLOW RIDGE TO FACE OF BLUFF THAT EXTENDS ABOUT 500 FEET TO THE WATER. <p>BLUFF SHOWS SIGNS OF BREAKING OFF 100 FEET BACK FROM OCEAN FACE. IT IS POSSIBLE THAT WHOLE BLUFF WILL FALL INTO OCEAN. <p> <h2>STATION RECOVERY (1950) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1950 STATION WAS DESTROYED. EDGE OF BLUFF THAT HELD STATION HAS SLID INTO OCEAN. CORPS OF ENGINEERS MARK FOUND ON REMAINING BLUFF-MARK HAS NO NAME STAMPED AND LATITUDE AND LONGITUDE OF MARK NOT AVAILABLE. KT1958 ANTHONY http://www.geocaching.com/mark/details.asp?PID=KT1958 ANTHONY Geocache Geocache ANTHONY CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ANTHONY</h1> <b> PID </b> KT1958 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO PASS (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 39 50 46.51585(N) 122 57 52.60494(W) ADJUSTED <br> <b> NAVD 88 </b> 2121.4 (meters) 6960. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 6.96 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -27.93 (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 2 </td><td> 742,393.830 1</td><td>917,444.883</td><td> MT </td><td>1.00000298</td><td> -0 ' 36 29.4"</td></tr><tr><td>SPC CA 2 </td><td>2,435,670.42 6</td><td>290,817.09 </td><td> sFT </td><td>1.00000298</td><td> -0 ' 36 29.4"</td></tr><tr><td>SPC CA 1 </td><td> 557,409.897 1</td><td>917,441.757</td><td> MT </td><td>1.00004226</td><td> -0 ' 37 50.7"</td></tr><tr><td>SPC CA 1 </td><td>1,828,768.97 6</td><td>290,806.83 </td><td> sFT </td><td>1.00004226</td><td> -0 ' 37 50.7"</td></tr><tr><td>UTM 10 </td><td>4,410,693.787 </td><td>503,027.431</td><td> MT </td><td>0.99960011</td><td> +0 ' 01 21.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99967168 x 1.00000298 = 0.99967466 <br> <b>SPC CA 1 </b> 0.99967168 x 1.00004226 = 0.99971393 <br> <b>UTM 10 </b> 0.99967168 x 0.99960011 = 0.99927193 <br> <p> <table border=1><tr><td> </td><td> Primary Azimuth Mark </td><td>Grid Az</td></tr><tr><td>SPC CA 2 </td><td> ANTHONY AZ MK </td><td>080&deg; 10' 01.2"</td></tr><tr><td>SPC CA 1 </td><td> ANTHONY AZ MK </td><td>080&deg; 11' 22.5"</td></tr><tr><td>UTM 10 </td><td> ANTHONY AZ MK </td><td>079&deg; 32' 10.2"</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>DB4630</td><td>ANTHONY RM 1 </td><td> 8.985 METERS</td><td>041&deg; 40' </td></tr><tr><td>DB4629</td><td>ANTHONY AZ MK </td><td> </td><td>079&deg; 33' 31.8"</td></tr><tr><td>DB4631</td><td>ANTHONY RM 3 </td><td> 6.640 METERS</td><td>152&deg; 14' </td></tr><tr><td>KT1966</td><td>POISON ROCK LOOKOUT TOWER </td><td>APPROX.14.2 KM</td><td>203&deg; 26' 32.4"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 39 50 46.51417(N) 122 57 52.59445(W) AD(1984.00) 1 <br> <b> NAD 27 </b> 39 50 46.95681(N) 122 57 48.57868(W) AD( ) 1 <br> NGVD 29 (07/19/86) 2120.3 (m) 6956. (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: 10SEK0302710694(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>1964 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1966 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1964 (JJL) THE STATION IS LOCATED ABOUT 18 MILES NORTHWEST OF ALDER SPRINGS, 16 MILES NORTHEAST OF COVELO, ATOP A BARE, PROMINENT MOUNTAIN LOCALLY KNOWN AS ANTHONY MOUNTAIN, AND ON THE SAME POINT AS THE ANTHONY MOUNTAIN LOOKOUT TOWER. <p>TO REACH THE STATION FROM THE POST OFFICE IN COVELO, GO EAST FOR 0.05 MILE TO A CROSS STREET. TURN LEFT AND GO NORTH FOR 1.5 MILES TO A CROSSROAD AND SIGN EEL RIVER RANGER STATION-11. TURN RIGHT, AS PER SIGN, AND GO EAST AND SOUTH FOR 10.8 MILES TO A Y-FORK AND THE EEL RIVER RANGER STATION ON THE RIGHT, WEST, SIDE OF THE ROAD. TAKE THE RIGHT FORK, AS PER SIGN LOW GAP 12 WILLOWS 80, AND GO SOUTH AND EAST FOR 11.6 MILES TO A REVERSE Y-FORK. TURN SHARP LEFT AND GO NORTH FOR 3.5 MILES TO A Y-FORK AND SIGN ANTHONY PEAK LO 1. TAKE THE LEFT FORK, AS PER SIGN, AND GO NORTHWEST FOR 0.8 MILE TO A Y-FORK AND SIGN MIDDLE EEL-YOLLA BOLLY WILDERNESS AREA. (TO REACH THE AZIMUTH MARK FROM THIS POINT, TAKE THE RIGHT FORK, NORTH, FOR ABOUT 150 FEET TO THE MARK ON THE LEFT, WEST, SIDE OF THE ROAD.) TAKE THE LEFT FORK AND GO NORTHWEST FOR 0.55 MILE TO THE TOP OF THE MOUNTAIN AND THE STATION. <p>THE STATION MARK, STAMPED ANTHONY 1933, IS A U.S. GEOLOGICAL SURVEY DISK CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 8 INCHES. IT IS 26 FEET NORTHWEST OF THE SOUTHWEST CORNER OF THE LOOKOUT TOWER AND 12 FEET WEST-NORTHWEST OF THE NORTHWEST CORNER OF THE LOOKOUT TOWER. <p>REFERENCE MARK NO. 1, STAMPED NO 1, IS A U.S. GEOLOGICAL SURVEY DISK CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 3 FEET. IT IS 29 FEET NORTHEAST OF THE NORTHWEST CORNER OF THE LOOKOUT TOWER AND 29 FEET NORTH OF THE NORTHEAST CORNER OF THE LOOKOUT TOWER. <p>REFERENCE MARK NO. 2, STAMPED NO 2, IS A U.S. GEOLOGICAL SURVEY DISK CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 3-1/2 FEET. IT IS 46 FEET SOUTHEAST OF THE SOUTHWEST CORNER OF THE LOOKOUT TOWER AND 34 FEET SOUTH-SOUTHEAST OF THE SOUTHEAST CORNER OF THE LOOKOUT TOWER. A DISTANCE AND DIRECTION TO THIS MARK COULD NOT BE OBTAINED DUE TO THE LOOKOUT TOWER BEING ON LINE. <p>REFERENCE MARK NO. 3, STAMPED ANTHONY USGS NO 3 1964, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN A CONCRETE SLAB AT THE SOUTHWEST CORNER OF THE LOOKOUT TOWER. IT IS 13 FEET SOUTH OF THE NORTHWEST CORNER OF THE LOOKOUT TOWER AND 4-1/2 FEET NORTH OF THE SOUTHWEST CORNER OF THE LOOKOUT TOWER. <p>THE AZIMUTH MARK, STAMPED ANTHONY USGS 1964, IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 3 FEET. IT IS 23 FEET WEST OF THE CENTER OF THE TRACK ROAD AND 4.6 FEET NORTH OF A WITNESS POST. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1966 (CAA) THE STATION AND ALL MARKS WERE RECOVERED AS DESCRIBED AND FOUND IN GOOD CONDITION. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--16 MILES NORTHWEST OF COVELO KT1957 ANTHONY PEAK LOOKOUT TOWER http://www.geocaching.com/mark/details.asp?PID=KT1957 ANTHONY PEAK LOOKOUT TOWER Geocache Geocache ANTHONY PEAK LOOKOUT TOWER CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ANTHONY PEAK LOOKOUT TOWER</h1> <b> PID </b> KT1957 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO PASS (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 39 50 46.37005(N) 122 57 52.34993(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 6.94 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -27.93 (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> <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 2 </td><td> 742,389.270 1</td><td>917,450.897</td><td> MT </td><td>1.00000297</td><td> -0 ' 36 29.2"</td></tr><tr><td>SPC CA 2 </td><td>2,435,655.46 6</td><td>290,836.82 </td><td> sFT </td><td>1.00000297</td><td> -0 ' 36 29.2"</td></tr><tr><td>SPC CA 1 </td><td> 557,405.333 1</td><td>917,447.770</td><td> MT </td><td>1.00004227</td><td> -0 ' 37 50.5"</td></tr><tr><td>SPC CA 1 </td><td>1,828,754.00 6</td><td>290,826.56 </td><td> sFT </td><td>1.00004227</td><td> -0 ' 37 50.5"</td></tr><tr><td>UTM 10 </td><td>4,410,689.295 </td><td>503,033.493</td><td> MT </td><td>0.99960011</td><td> +0 ' 01 21.8"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 39 50 46.36701(N) 122 57 52.34244(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 39 50 46.80258(N) 122 57 48.32816(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: 10SEK0303310689(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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1964 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 (JCS) THIS IS AN UNOCCUPIED INTERSECTION STATION. DUE TO ITS INACCESSIBILITY IT WAS NOT VISITED. <p>STATION IS LOCATED ABOUT 16 MILES, AIR LINE, ENE OF COVELO, IN THE MENDOCINO NATIONAL FOREST. IT IS NEAR THE MENDOCINO-TEHAMA COUNTY LINE, ABOUT 4 MILES NNW OF MENDOCINO PASS AND THE CORNER OF MENDOCINO-TEHAMA-GLENN COUNTIES. <p>STATION IS A WHITE LOOKOUT HOUSE, APPARENTLY ABOUT 20 FEET HIGH, OVERLOOKING ALL THE SURROUNDING COUNTRY. A FINIAL WAS APPARENTLY OFF CENTER. THE CENTER OF THE HOUSE WAS OBSERVED AS THE STATION CENTER. <p> <h2>STATION RECOVERY (1964) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1964 (JJL) LOCATED ABOUT 18 MILES NORTHWEST OF ALDER SPRINGS, 16 MILES NORTHEAST OF COVELO, AND ON THE HIGHEST POINT OF A BARE, PROMINENT MOUNTAIN LOCALLY KNOWN AS ANTHONY MOUNTAIN. <p>TO RECH FROM THE EEL RIVER RANGER STATION THAT IS LOCATED 1.5 MILES NORTH AND 10.8 MILES EAST OF THE POST OFFICE IN COVELO, GO SOUTH AND EAST, AS PER SIGN LOW GAP 12 WILLOWS 80 FOR 11.6 MILES TO A REVERSE Y-FORK. TURN SHARP LEFT AND GO NORTH FOR 3.5 MILES TO A Y-FORK AND SIGN ANTHONY PEAK LO 1. TAKE THE LEFT FORK, AS PER SIGN, AND GO NORTHWEST FOR 1.3 MILES TO THE TOP OF THE MOUNTAIN AND THE STATION. <p>THE LOOKOUT TOWER IS AN ENCLOSED, WOOD STRUCTURE, PAINTED GREEN AND GRAY, AND IS ABOUT 30 FEET SQUARE. IT IS APPROXIMATELY 20 FEET HIGH. <p>POINT INTERSECTED WAS THE TOP AND CENTER OF THE LOOKOUT TOWER. KT1356 ARP http://www.geocaching.com/mark/details.asp?PID=KT1356 ARP Geocache Geocache ARP CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ARP</h1> <b> PID </b> KT1356 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MENDOCINO (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 39 15 46.53732(N) 123 45 09.98778(W) ADJUSTED <br> <b> NAVD 88 </b> 171. (meters) 561. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,747,501.474 (meters) COMP <br> <b> Y </b> -4,111,495.544 (meters) COMP <br> <b> Z </b> 4,015,047.615 (meters) COMP <br> <b> LAPLACE CORR</b> 8.55 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 139.39 (meters) (05/19/94) GPS OBS <br> <b> GEOID HEIGHT</b> -31.29 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <b> ELLP ORDER </b> FIFTH CLASS II <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in May 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. The vertical order pertains to the NGVD 29 superseded value. <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 2 </td><td> 678,652.853 1</td><td>848,748.562</td><td> MT </td><td>0.99991950</td><td> -1 ' 06 18.2"</td></tr><tr><td>SPC CA 2 </td><td>2,226,546.90 6</td><td>065,435.91 </td><td> sFT </td><td>0.99991950</td><td> -1 ' 06 18.2"</td></tr><tr><td>UTM 10 </td><td>4,346,224.546 </td><td>435,057.504</td><td> MT </td><td>0.99965193</td><td> -0 ' 28 35.2"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99997813 x 0.99991950 = 0.99989763 <br> <b>UTM 10 </b> 0.99997813 x 0.99965193 = 0.99963007 <br> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 169.901 (m) 557.42 (f) ADJ UNCH 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: 10SDJ3505846225(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CATCH BASIN <br>STAMPING: ARP 1954 <br>MARK LOGO: CGS <br>MAGNETIC: O = OTHER; SEE DESCRIPTION <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - June 12, 1992 <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>1965 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19870615</td><td>GOOD </td><td>NGS</td></tr><tr><td>19920612</td><td>GOOD</td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 4 MI NE FROM ALBION. 3.2 MILES NORTHEAST ALONG THE ALBION-COMPTCHE ROAD FROM THE JUNCTION OF STATE HIGHWAY 1 AT ALBION, THENCE 0.6 MILE NORTHWEST ALONG AIRPORT ROAD, THENCE 0.2 MILE SOUTHWEST ALONG THE AIRPORT ENTRANCE ROAD, AT THE LITTLE RIVER AIRPORT, NEAR THE CENTER OF THE AIRPORT, 52.2 FEET NORTHEAST OF THE NORTHEAST EDGE OF THE NORTHWEST-SOUTHEAST TAXIWAY, 51.6 FEET NORTHWEST OF THE NORTHWEST EDGE OF A SHORT TAXIWAY, 47.9 FEET SOUTHEAST OF THE SOUTHEAST EDGE OF A SHORT TAXIWAY, AND IN THE TOP OF THE NORTHWEST CORNER OF THE CONCRETE RIM OF A LARGE CATCH BASIN. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 THE STATION IS IN THE CENTER OF THE RAMP AREA, IN THE SW CORNER OF THE CONCRETE RIM AROUND A LARGE CATCH BASIN. IT IS LOCATED 78.0 FT (23.8 M) NE FROM THE CENTERLINE OF THE TAXIWAY, AND 73.24 FT (22.32 M) SW FROM BM A 485 1954. THE STATION IS A STANDARD NOS DISK STAMPED ARP 1954, SET INTO A DRILL HOLE FLUSH WITH THE CATCH BASIN RIM. THE STATION IS LOCATED NEAR THE MIDFIELD AT THE TERMINAL RAMP THE STATION IS LOCATED NEAR THE MIDFIELD AT THE TERMINAL RAMP NEAR THE AIRPORT OFFICE OF MENDOCINO COUNTY AIRPORT. THE STATION IS 78.0 FT (23.8 M) NORTHEAST OF THE CENTERLINE OF THE TAXIWAY, 103.4 FT (31.5 M) NORTHEAST OF THE SOUTHWEST EDGE OF TAXIWAY, 158.3 FT (48.2 M) SOUTHEAST OF THE NORTHWESTERN LONG HANGAR EDGE EDXTENDED TO THE SOUTHWEST, 171.6 FT (52.3 M) SOUTH OF THE SOUTHERN-MOST HANGAR CORNER, 96.4 FT (29.4 M) SOUTHWEST OF THE CONCRETE RAMP EDGE, 73.24 FT (22.32 M) SOUTHWEST OF BENCH MARK A 485 1954, AND 190.3 FT (58.0 M) WEST OF A CHEVRON SIGN BETWEEN TWO FUEL PUMPS. THE STATION IS USCGS DISK SET IN A DRILL HOLE AT THE WESTERN-MOST CORNER OF A CATCH BASIN AND STAMPED ARP 1954. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERED 1992 RECOVERED IN GOOD CONDITION. KT1469 B 103 CAHD http://www.geocaching.com/mark/details.asp?PID=KT1469 B 103 CAHD Geocache Geocache B 103 CAHD CADH Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 103 CAHD</h1> <b> PID </b> KT1469 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> TAN OAK PARK (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 47 24. (N) 123 32 39. (W) SCALED <br> <b> NAVD 88 </b> 529.61 (+/-2cm) 1737.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.50 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 736,830. </td><td> 1,867,740. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 528.672 (m) 1734.48 (f) ADJ UNCH 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: 10SDK534045(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: B 103 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>CADH</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 8.4 MI N FROM LAYTONVILLE. 8.4 MILES NORTH ALONG U.S. HIGHWAY 101 FROM THE POST OFFICE AT LAYTONVILLE, 0.2 MILE NORTH OF THE CREST OF A GRADE, AT A PULLOFF AREA, 97 FEET WEST OF THE CENTER LINE OF THE HIGHWAY, 20 FEET WEST OF A FENCE, 1.0 FOOT EAST OF A WITNESS POST, ABOUT LEVEL WITH THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. KT1089 B 104 http://www.geocaching.com/mark/details.asp?PID=KT1089 B 104 Geocache Geocache B 104 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 104</h1> <b> PID </b> KT1089 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> BURBECK (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 29 43. (N) 123 23 06. (W) SCALED <br> <b> NAVD 88 </b> 391.66 (+/-2cm) 1285.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.54 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 703,900. </td><td> 1,880,880. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 390.733 (m) 1281.93 (f) ADJ UNCH 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: 10SDJ668718(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: TRESTLE <br>STAMPING: B 104 1931 1281.776 <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><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 7.2 MI N FROM WILLITS. 7.2 MILES NORTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT WILLITS, IN THE TOP AND 1.5 FEET WEST OF THE EAST END OF THE SOUTH ABUTMENT OF A TRESTLE, 7.3 FEET EAST OF THE EAST RAIL, 64 FEET NORTHWEST OF TELEGRAPH POLE 146-28, AND ABOUT 2 FEET LOWER THAN THE TRACK. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 RECOVERED IN GOOD CONDITION. KT1333 B 1063 http://www.geocaching.com/mark/details.asp?PID=KT1333 B 1063 Geocache Geocache B 1063 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1063</h1> <b> PID </b> KT1333 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> FOSTER MTN (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 27 30. (N) 123 12 38. (W) SCALED <br> <b> NAVD 88 </b> 478.53 (+/-2cm) 1570.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.20 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 699,580. </td><td> 1,895,820. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 477.613 (m) 1566.97 (f) ADJ UNCH 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: 10SDJ818676(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: OUTCROP <br>STAMPING: B 1063 1966 <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>1966 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1966 2.8 MI S FROM HEARST. 2.7 MILES SOUTH ALONG HEARST ROAD FROM A LARGE BUILDING AT HEARST, THENCE 0.1 MILE SOUTHEAST ALONG A DIRT ROAD, IN THE TOP AND NEAR THE NORTH SIDE OF A 5- BY 5-FOOT OUTCROP WHICH PROJECTS ABOUT 2 FEET, 50 FEET SOUTH OF THE CENTER LINE OF THE ROAD, 21 FEET EAST OF THE EAST SIDE OF AN OUTCROP PROJECTING ABOUT 15 FEET, 10 FEET WEST OF THE CENTER OF A DEEP DRY WASH, 10.3 FEET SOUTH OF A WITNESS POST, AND ABOUT 2 FEET LOWER THAN THE ROAD. KT1026 B 1064 http://www.geocaching.com/mark/details.asp?PID=KT1026 B 1064 Geocache Geocache B 1064 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1064</h1> <b> PID </b> KT1026 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> DOS RIOS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 40 49. (N) 123 21 14. (W) SCALED <br> <b> NAVD 88 </b> 297.81 (+/-2cm) 977.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.26 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 724,390. </td><td> 1,883,860. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 296.885 (m) 974.03 (f) ADJ UNCH 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: 10SDJ696923(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: TUNNEL <br>STAMPING: B 1064 1966 <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>1966 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1966 2.8 MI S FROM DOS RIOS. 2.8 MILES SOUTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT DOS RIOS, AT NORTHWEST END OF TUNNEL 15, 0.3 MILE SOUTH OF MILE POST 164, SET VERTICALLY IN THE NORTHEAST WALL OF THE TUNNEL, 6.5 FEET NORTHEAST OF THE NORTHEAST RAIL, 1.3 FEET SOUTHEAST OF THE NORTHWEST END OF THE WALL AND ABOUT 4 FEET ABOVE THE TRACK. KT0903 B 1082 http://www.geocaching.com/mark/details.asp?PID=KT0903 B 1082 Geocache Geocache B 1082 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1082</h1> <b> PID </b> KT0903 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> LAYTONVILLE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 43 10. (N) 123 30 01. (W) SCALED <br> <b> NAVD 88 </b> 474.03 (+/-2cm) 1555.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.47 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 728,940. </td><td> 1,871,370. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 473.104 (m) 1552.18 (f) ADJ UNCH 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: 10SDJ571967(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: BASIN <br>STAMPING: B 1082 1967 <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>1967 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1967 2.4 MI N FROM LAYTONVILLE. 2.45 MILES NORTH ALONG U.S. HIGHWAY 101 FROM THE POST OFFICE AT LAYTONVILLE, IN THE CENTER OF THE SOUTH WALL OF 3- BY 4-FOOT CONCRETE CATCH BASIN H-390+25 WHICH IS ALONG A PORTION OF THE OLD HIGHWAY, 135 FEET EAST OF THE CENTER LINE OF THE NEW HIGHWAY, 15 FEET NORTH OF THE CENTER LINE OF THE OLD HIGHWAY, AND ABOUT 7 FEET LOWER THAN THE HIGHWAY. KT1498 B 1083 http://www.geocaching.com/mark/details.asp?PID=KT1498 B 1083 Geocache Geocache B 1083 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1083</h1> <b> PID </b> KT1498 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NOBLE BUTTE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 52 42. (N) 123 43 34. (W) SCALED <br> <b> NAVD 88 </b> 278.103 (meters) 912.41 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -29.98 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 277.947 (meters) 911.90 (feet) COMP <br> <b> MODELED GRAV</b> 980,057.5 (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 2 </td><td> 746,920. </td><td> 1,852,350. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 277.187 (m) 909.40 (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: 10SDK379145(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: CONCRETE GUARDRAIL <br>STAMPING: B 1083 1967 <br>MARK LOGO: CGS <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>1967 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>19880405</td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1967 1.5 MI N FROM LEGGETT. 1.5 MILES NORTH ALONG U.S. HIGHWAY 101 FROM THE POST OFFICE AT LEGGETT, IN THE TOP AND 1.0 FOOT EAST OF THE WEST END OF THE NORTH CONCRETE GUARDRAIL OF CONCRETE BRIDGE 10-32, AT HIGHWAY MILEAGE 93.76, 22 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY, AND ABOUT 3 1/2 FEET HIGHER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 2.3 KM (1.45 MI) NORTHERLY ALONG U.S. HIGHWAY 101 FROM THE JUNCTION OF STATE HIGHWAY 1 IN LEGGETT. JT9400 B 1404 http://www.geocaching.com/mark/details.asp?PID=JT9400 B 1404 Geocache Geocache B 1404 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1404</h1> <b> PID </b> JT9400 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> YORKVILLE (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 53 58. (N) 123 13 06. (W) SCALED <br> <b> NAVD 88 </b> 289.163 (meters) 948.70 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.46 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 288.976 (meters) 948.08 (feet) COMP <br> <b> MODELED GRAV</b> 979,972.3 (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 2 </td><td> 637,550. </td><td> 1,894,320. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 288.268 (m) 945.76 (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: 10SDJ810056(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: STAINLESS STEEL ROD <br>STAMPING: B 1404 1987 <br>MARK LOGO: NGS <br>PROJECTION: FLUSH <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br>ROD/PIPE-DEPTH: 5.8 meters <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> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1987 IN YORKVILLE. IN YORKVILLE, AT 26702 STATE HIGHWAY 128, 12.6 M (41.3 FT) SOUTH OF THE CENTERLINE OF THE HIGHWAY, 9.6 M (31.5 FT) NORTHEAST OF THE NORTHEAST CORNER OF HOUSE NUMBER 26702, 7.5 M (24.6 FT) NORTHWEST OF THE NORTHWEST CORNER OF A GARAGE, AND 0.3 M (1.0 FT) NORTH OF A FENCE CORNER. NOTE--ACCESS TO DATUM POINT IS HAD THROUGH A 5-INCH LOGO CAP. THE MARK IS 0.3 METERS N FROM A WITNESS POST AND FENCE THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. KT1790 B 1436 http://www.geocaching.com/mark/details.asp?PID=KT1790 B 1436 Geocache Geocache B 1436 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1436</h1> <b> PID </b> KT1790 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> WESTPORT (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 42 13. (N) 123 48 13. (W) SCALED <br> <b> NAVD 88 </b> 17.583 (meters) 57.69 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.60 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 17.574 (meters) 57.66 (feet) COMP <br> <b> MODELED GRAV</b> 980,133.0 (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 2 </td><td> 727,650. </td><td> 1,845,330. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 16.681 (m) 54.73 (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: 10SDJ311951(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 38 = SET IN THE ABUTMENT OR PIER OF A LARGE BRIDGE <br>SP_SET: ABUTMENT <br>STAMPING: B 1436 1988 <br>MARK LOGO: NGS <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>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 8.1 KM (5.05 MI) NORTHERLY ALONG STATE HIGHWAY 1 FROM THE JUNCTION OF ABALONE STREET IN WESTPORT, SET VERTICALLY IN THE SOUTH FACE OF THE NORTH ABUTMENT OF A HIGHWAY BRIDGE SPANNING JUAN CREEK, 6.7 M (22.0 FT) SOUTH OF THE NORTH END OF THE WEST CONCRETE RAILING, 5.0 M (16.4 FT) EAST OF THE CENTERLINE OF THE HIGHWAY, 0.3 M (1.0 FT) EAST OF THE SOUTHWEST CORNER OF THE ABUTMENT, AND 2.5 M (8.2 FT) BELOW THE LEVEL OF THE HIGHWAY. KT1757 B 1437 http://www.geocaching.com/mark/details.asp?PID=KT1757 B 1437 Geocache Geocache B 1437 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1437</h1> <b> PID </b> KT1757 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> LEGGETT (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 51 36. (N) 123 43 17. (W) SCALED <br> <b> NAVD 88 </b> 262.649 (meters) 861.71 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -29.98 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 262.501 (meters) 861.22 (feet) COMP <br> <b> MODELED GRAV</b> 980,055.8 (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 2 </td><td> 744,880. </td><td> 1,852,710. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 261.733 (m) 858.70 (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: 10SDK382124(NAD 83) <br>MARKER: DV = VERTICAL CONTROL DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: IN A DRILL HOLE IN BEDROCK <br>STAMPING: B 1437 1988 <br>MARK LOGO: NGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <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>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 1.9 KM (1.20 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE JUNCTION OF U.S. HIGHWAY 101 IN LEGGETT, 0.1 KM (0.05 MI) SOUTHWEST OF THE INTERSECTION OF A GRAVELED ROAD LEADING TO THE BIG SKY GIFT SHOP, IN A 2 BY 3 FOOT SLOPING EXPOSED AREA OF BEDROCK IN A HIGHWAY CUT, 21.7 M (71.2 FT) NORTHWEST OF THE SOUTHWEST END OF A METAL GUARDRAIL, 5.0 M (16.4 FT) WEST-NORTHWEST OF THE CENTERLINE OF THE HIGHWAY, AND 0.9 M (3.0 FT) ABOVE THE LEVEL OF THE HIGHWAY. KT2203 B 1438 http://www.geocaching.com/mark/details.asp?PID=KT2203 B 1438 Geocache Geocache B 1438 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1438</h1> <b> PID </b> KT2203 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> INGLENOOK (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 34 38. (N) 123 46 23. (W) SCALED <br> <b> NAVD 88 </b> 44.042 (meters) 144.49 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.76 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 44.019 (meters) 144.42 (feet) COMP <br> <b> MODELED GRAV</b> 980,104.1 (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 2 </td><td> 713,570. </td><td> 1,847,680. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 43.141 (m) 141.54 (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: 10SDJ336811(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: STAINLESS STEEL ROD <br>STAMPING: B 1438 1988 <br>MARK LOGO: NGS <br>PROJECTION: FLUSH <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br>ROD/PIPE-DEPTH: 4.8 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 8.2 KM (5.10 MI) SOUTH FROM WESTPORT. 8.2 KM (5.10 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE JUNCTION OF ABALONE STREET IN WESTPORT, 15.5 M (50.9 FT) NORTH OF THE CENTER OF A GRAVELED DRIVEWAY LEADING WEST TO THE ORCA INN, 10.8 M (35.4 FT) NORTH OF UTILITY POLE NUMBER 357 82 01-6, 6.0 M (19.7 FT) WEST OF THE CENTERLINE OF THE HIGHWAY, AND 0.8 M (2.6 FT) NORTH OF A FENCE CORNER. NOTE--ACCESS TO DATUM POINT IS HAD THROUGH A 5-INCH LOGO CAP. THE MARK IS 0.2 METERS E FROM A WITNESS POST AND FENCE THE MARK IS 0.3 M BELOW THE HIGHWAY. KT2233 B 1439 http://www.geocaching.com/mark/details.asp?PID=KT2233 B 1439 Geocache Geocache B 1439 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1439</h1> <b> PID </b> KT2233 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> ALBION (1960) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 13 48. (N) 123 46 14. (W) SCALED <br> <b> NAVD 88 </b> 45.219 (meters) 148.36 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.46 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 45.196 (meters) 148.28 (feet) COMP <br> <b> MODELED GRAV</b> 980,105.2 (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 2 </td><td> 675,030. </td><td> 1,847,140. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 44.326 (m) 145.43 (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: 10SDJ334425(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: STAINLESS STEEL ROD <br>STAMPING: B 1439 1988 <br>MARK LOGO: NGS <br>PROJECTION: FLUSH <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>ROD/PIPE-DEPTH: 3.8 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 25.6 KM (15.90 MI) SOUTH FROM FORT BRAGG. 25.6 KM (15.90 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE JUNCTION OF OAK STREET IN FORT BRAGG, 23.0 M (75.5 FT) EAST OF THE NORTHEAST CORNER OF THE ALBOIN RIVER INN OFFICE, 16.5 M (54.1 FT) NORTHWEST OF THE CENTER OF THE MAIN ENTRANCE ROAD LEADING TO THE INN, 6.5 M (21.3 FT) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, AND 6.4 M (21.0 FT) SOUTHEAST OF THE NORTHWEST END OF A PIPE CULVERT. NOTE--ACCESS TO DATUM POINT IS HAD THROUGH A 5-INCH LOGO CAP. THE MARK IS 0.3 METERS ENE FROM A WITNESS POST AND FENCE THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. JT9386 B 1440 http://www.geocaching.com/mark/details.asp?PID=JT9386 B 1440 Geocache Geocache B 1440 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1440</h1> <b> PID </b> JT9386 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 55 00. (N) 123 42 10. (W) SCALED <br> <b> NAVD 88 </b> 65.335 (meters) 214.35 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.14 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 65.298 (meters) 214.23 (feet) COMP <br> <b> MODELED GRAV</b> 980,062.0 (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 2 </td><td> 640,140. </td><td> 1,852,340. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 64.442 (m) 211.42 (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: 10SDJ390077(NAD 83) <br>MARKER: I = METAL ROD <br>SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: STAINLESS STEEL ROD <br>STAMPING: B 1440 1988 <br>MARK LOGO: NGS <br>PROJECTION: FLUSH <br>STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD <br>STABILITY: POSITION/ELEVATION WELL <br>ROD/PIPE-DEPTH: 14.2 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1988 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 IN POINT ARENA. IN POINT ARENA, AT 451 SCHOOL STREET (STATE HIGHWAY 1), 59.9 M (196.5 FT) EAST OF THE SOUTHEAST CORNER OF THE CITY HALL AT 451 SCHOOL STREET, 29.0 M (95.1 FT) WEST OF UTILITY POLE NUMBER 20 B2, 15.3 M (50.2 FT) SOUTH OF THE CENTER OF THE STREET, 7.0 M (23.0 FT) SOUTHEAST OF THE CENTER A PAVED ENTRANCE TO THE BUILDING, AND 0.9 M (3.0 FT) SOUTHEAST OF THE MOST SOUTHEASTERLY 1 OF 2 SETS OF 3 POLES. NOTE--ACCESS TO DATUM POINT IS HAD THROUGH A 5-INCH LOGO CAP. THE MARK IS ABOVE LEVEL WITH THE STREET. KT1272 B 147 RESET http://www.geocaching.com/mark/details.asp?PID=KT1272 B 147 RESET Geocache Geocache B 147 RESET CA-045 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 147 RESET</h1> <b> PID </b> KT1272 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> PHILO (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 05 26. (N) 123 28 44. (W) SCALED <br> <b> NAVD 88 </b> 75.420 (meters) 247.44 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.75 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 75.377 (meters) 247.30 (feet) COMP <br> <b> MODELED GRAV</b> 980,063.1 (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 2 </td><td> 659,100. </td><td> 1,872,070. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 74.532 (m) 244.53 (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: 10SDJ585269(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: B 147 RESET 1955 <br>MARK LOGO: CGS <br>PROJECTION: FLUSH <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>1955 </td><td>MONUMENTED </td><td>CA-045</td></tr><tr><td>1964 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1964 3 MI NW FROM PHILO. 3.0 MILES NORTHWEST ALONG STATE HIGHWAY 128 FROM THE POST OFFICE AT PHILO, AT THE JUNCTION OF A PAVED ROAD LEADING SOUTHWEST, 141 FEET NORTHWEST OF CULVERT B-496+84, 52 FEET NORTH OF THE CENTERLINE OF THE SIDE ROAD, 35 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, 8.2 FEET NORTH OF A FENCE CORNER, 4.4 FEET NORTHEAST OF A FENCE LINE, 1.0 FOOT NORTHWEST OF A METAL WITNESS POST, ABOUT 7 FEET HIGHER THAN THE HIHGWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.2 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. 13.9 KM (8.65 MI) NORTHWESTERLY ALONG STATE HIGHWAY 128 FROM THE POST OFFICE IN BOONVILLE, 17.6 M (57.7 FT) NORTHWEST OF THE CENTER OF GREENWOOD RIDGE ROAD, 11.0 M (36.1 FT) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, 2.6 M (8.5 FT) NORTHWEST OF A FENCE CORNER, AND 1.3 M (4.3 FT) NORTHEAST OF A FENCE. THE MARK IS 0.3 METERS NW FROM A WITNESS POST THE MARK IS 1.8 M ABOVE THE HIGHWAY. KT1368 B 210 http://www.geocaching.com/mark/details.asp?PID=KT1368 B 210 Geocache Geocache B 210 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 210</h1> <b> PID </b> KT1368 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> FORT BRAGG (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 26 51. (N) 123 48 22. (W) SCALED <br> <b> NAVD 88 </b> 24.882 (meters) 81.63 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.14 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 24.870 (meters) 81.59 (feet) COMP <br> <b> MODELED GRAV</b> 980,124.4 (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 2 </td><td> 699,230. </td><td> 1,844,550. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 23.985 (m) 78.69 (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: 10SDJ306667(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: B 210 1935 <br>MARK LOGO: CGS <br>PROJECTION: PROJECTING 30 CENTIMETERS <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>1965 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 AT FORT BRAGG. AT FORT BRAGG, 0.15 MILE NORTH ALONG MAIN STREET (STATE HIGHWAY 1) FROM THE TEN MILE JUDICIAL COURTHOUSE, AT THE CROSSING OF THE CALIFORNIA WESTERN RAILROAD TRACK, 50.6 FEET NORTHWEST OF THE NORTH CORNER OF A STANDARD OIL COMPANY BUILDING, 43.0 FEET WEST OF THE CENTERLINE OF MAIN STREET, 11.0 FEET SOUTHEAST OF THE SOUTHEAST RAIL OF THE TRACK, 1.3 FEET WEST OF A METAL WITNESS POST, ABOUT 1 FOOT LOWER THAN THE STREET, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. IN FORT BRAGG, AT THE INTERSECTION OF STATE HIGHWAY 1 AND THE CALIFORNIA WESTERN RAILROAD, 15.5 M (50.9 FT) NORTHEAST OF THE NORTH CORNER OF THE CLASSIC CAR CARE BUILDING, 13.4 M (44.0 FT) WEST OF THE CENTER OF THE HIGHWAY, 6.7 M (22.0 FT) NORTHWEST OF A UTILITY POLE, AND 3.3 M (10.8 FT) SOUTHEAST OF THE NEAR RAIL. THE MARK IS 1.3 METERS W FROM A WITNESS POST THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. KT1533 B 254 http://www.geocaching.com/mark/details.asp?PID=KT1533 B 254 Geocache Geocache B 254 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 254</h1> <b> PID </b> KT1533 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> BELL SPRINGS (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 53 13. (N) 123 35 24. (W) SCALED <br> <b> NAVD 88 </b> 1017.40 (+/-2cm) 3337.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.52 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 747,660. </td><td> 1,864,010. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 1016.439 (m) 3334.77 (f) ADJ UNCH 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: 10SDK495153(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 254 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>1942 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1969 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 9.9 MI NE FROM CUMMINGS. 3.7 MILES SOUTHEAST ALONG U.S. HIGHWAY 101 FROM THE POST OFFICE AT CUMMINGS, MENDOCINO COUNTY, THENCE 6.2 MILES NORTH ALONG THE BELL SPRINGS ROAD, 0.5 MILE NORTH OF A RANCHHOUSE, AT THE SOUTHEAST CORNER OF A PLOWED FIELD, DIRECTLY OPPOSITE A GIGANTIC ROCK WEST OF THE ROAD, 16 FEET SOUTHWEST OF THE CENTERLINE OF THE ROAD, AND NEAR A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED B 254 1935 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1969) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1969 MARK NOT FOUND. KT1229 B 262 http://www.geocaching.com/mark/details.asp?PID=KT1229 B 262 Geocache Geocache B 262 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 262</h1> <b> PID </b> KT1229 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> UKIAH (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 10 56. (N) 123 14 14. (W) SCALED <br> <b> NAVD 88 </b> 229.86 (+/-2cm) 754.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.98 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 668,960. </td><td> 1,893,110. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 228.971 (m) 751.22 (f) ADJ UNCH 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: 10SDJ795370(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 262 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>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 3.6 MI NW FROM UKIAH. 1.8 MILES NORTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT UKIAH, THENCE 0.3 MILE WEST ALONG A PAVED ROAD, THENCE 1.5 MILES NORTHWEST ALONG ORRS SPRINGS ROAD, 0.2 MILE NORTHWEST OF A BRIDGE OVER ACKERMAN CREEK, 110 FEET NORTHWEST OF THE CENTERLINE OF THE ROAD, 13 FEET SOUTHWEST OF THE CENTER OF A SMALL RAVINE, 6 FEET NORTH OF A 20-INCH OAK TREE, 2.0 FEET NORTHWEST OF A FENCE LINE, 1.2 FEET SOUTHWEST OF A WOODEN WITNESS POST, ABOUT 4 FEET LOWER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.1 FOOT ABOVE THE GROUND. KT1352 B 264 http://www.geocaching.com/mark/details.asp?PID=KT1352 B 264 Geocache Geocache B 264 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 264</h1> <b> PID </b> KT1352 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> NAVARRO (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 12 26. (N) 123 35 54. (W) SCALED <br> <b> NAVD 88 </b> 69.19 (+/-2cm) 227.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.87 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 672,220. </td><td> 1,861,970. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 68.301 (m) 224.08 (f) ADJ UNCH 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: 10SDJ483399(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 264 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>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 4.9 MI S FROM COMPTCHE. 4.9 MILES SOUTH ALONG THE NAVARRO-COMPTCHE ROAD FROM THE POST OFFICE AT COMPTCHE, AT THE MOUTH OF A DRAW, 55.8 FEET SOUTHEAST OF THE CENTERLINE OF THE ROAD, 39.0 FEET SOUTHEAST OF THE EAST END OF AN 18-INCH CONCRETE PIPE CULVERT, 1.3 FEET SOUTHEAST OF A METAL WITNESS POST, ABOUT 5 FEET HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. JT1320 B 266 http://www.geocaching.com/mark/details.asp?PID=JT1320 B 266 Geocache Geocache B 266 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 266</h1> <b> PID </b> JT1320 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> ZENI RIDGE (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 59 36. (N) 123 26 03. (W) SCALED <br> <b> NAVD 88 </b> 137.44 (+/-2cm) 450.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.78 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 648,250. </td><td> 1,875,770. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 136.53 (m) 447.9 (f) COMPUTED 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: 10SDJ624161(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 266 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>1958 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 5 MI SW FROM BOONVILLE. 5.6 MILES SW BY HIGHWAY. ALONG THE RIGHT OF WAY OF THE BOONVILLE - MANCHESTER ROAD. 56 FEET SOUTH OF THE CENTER LINE OF THE ROAD. 48 FEET SW OF THE SW CORNER OF A 100 FOOT SINGLE SPAN TIMBER BRIDGE. 10 FEET EAST OF A PRIVATE GATE ENTRANCE TO A CAMP GROUND. A STANDARD DISK SET IN THE TOP OF A CONCRETE POST. NOTE-- A NEW BRIDGE HAS BEEN CONSTRUCTED AT THIS LOCATION. THE LOCATION OF THE BENCH MARK IS THE CENTER OF THE NEW ROAD. THE MARK IS EITHER COVERED OF DESTROYED. KT1411 B 267 http://www.geocaching.com/mark/details.asp?PID=KT1411 B 267 Geocache Geocache B 267 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 267</h1> <b> PID </b> KT1411 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> MATHISON PEAK (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 21 30. (N) 123 38 25. (W) SCALED <br> <b> NAVD 88 </b> 223.50 (+/-2cm) 733.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.68 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 689,060. </td><td> 1,858,650. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 222.589 (m) 730.28 (f) ADJ UNCH 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: 10SDJ448567(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 267 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>1942 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1965 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 14.2 MI SE FROM FORT BRAGG. 14.2 MILES SOUTHEAST ALONG THE WILLITS ROAD FROM THE POST OFFICE AT FORT BRAGG, MENDOCINO COUNTY, 55 YARDS WEST OF THE WEST END OF A CURVE IN THE ROAD, 80 FEET SOUTHEAST OF A 15-INCH TAN-OAK TREE ON THE NORTH SIDE OF THE ROAD AND BEARING A TRIANGULAR BLAZE, 37 FEET SOUTH OF THE CENTERLINE OF THE ROAD, AND NEAR A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED B 267 1935 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1965) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1965 MARK NOT FOUND. KT1549 B 268 http://www.geocaching.com/mark/details.asp?PID=KT1549 B 268 Geocache Geocache B 268 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 268</h1> <b> PID </b> KT1549 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> CAHTO PEAK (1967) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 39 41. (N) 123 31 24. (W) SCALED <br> <b> NAVD 88 </b> 538.28 (+/-2cm) 1766.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.57 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 722,530. </td><td> 1,869,290. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 537.34 (m) 1762.9 (f) COMPUTED 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: 10SDJ551903(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 268 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>1942 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1966 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 3.6 MI SW FROM LAYTONVILLE. 3.6 MILES SOUTHWEST ALONG THE BRANSCOMB ROAD FROM LAYTONVILLE, MENDOCINO COUNTY, ON THE OLD ROAD, ABOUT 600 FEET SOUTH OF THE PRESENT ROAD, SOUTH OF AN ABANDONED GRAVEL PIT, 48 FEET SOUTH OF THE SOUTHEAST CORNER OF A WOODEN BRIDGE USED BEFORE THE ROAD WAS CHANGED, AND NEAR A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED B 268 1935 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1966) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966 MARK NOT FOUND. KT1276 B 275 http://www.geocaching.com/mark/details.asp?PID=KT1276 B 275 Geocache Geocache B 275 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 275</h1> <b> PID </b> KT1276 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> ORRS SPRINGS (1991) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 11 02. (N) 123 22 02. (W) SCALED <br> <b> NAVD 88 </b> 742.58 (+/-2cm) 2436.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.14 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 669,310. </td><td> 1,881,880. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 741.646 (m) 2433.22 (f) ADJ UNCH 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: 10SDJ682372(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: OUTCROP <br>STAMPING: B 275 1935 <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>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 16.8 MI W FROM UKIAH. 1.8 MILES NORTH ALONG NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT UKIAH, THENCE 0.3 MILE WEST ALONG A PAVED ROAD, THENCE 9.5 MILES NORTHWEST ALONG ORRS SPRINGS ROAD, THENCE 2.5 MILES SOUTHWEST ALONG A GRADED RANCH ROAD, THENCE 2.7 MILES SOUTH AND SOUTHEAST ALONG A DIM RANCH ROAD, ALONG A NORTH-SOUTH RIDGE BETWEEN THE HEADWATERS OF SOUTH FORK BIG RIVER AND ACKERMAN CREEK, 0.2 MILE WEST OF MASONITE INDUSTRIAL ROAD, 120 FEET WEST OF THE JUNCTION OF FIVE DIM ROADS IN A SADDLE, 54 FEET SOUTH OF THE CENTERLINE OF A DIM ROAD LEADING WEST AROUND THE SOUTHWEST SIDE OF THE RIDGE, CEMENTED IN A DRILL HOLE IN THE TOP OF A ROCK LEDGE AT THE BASE OF A LARGE ROCK OUTCROP, 11 FEET SOUTH OF AND 8 FEET LOWER THAN THE TOP OF THE OUTCROP, AND ABOUT 12 FEET LOWER THAN THE CREST OF THE RIDGE. KT1474 B 623 http://www.geocaching.com/mark/details.asp?PID=KT1474 B 623 Geocache Geocache B 623 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 623</h1> <b> PID </b> KT1474 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> TAN OAK PARK (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 49 40. (N) 123 34 22. (W) SCALED <br> <b> NAVD 88 </b> 429.09 (+/-2cm) 1407.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.53 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (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 2 </td><td> 741,070. </td><td> 1,865,370. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 428.143 (m) 1404.67 (f) ADJ UNCH 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: 10SDK509087(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: WALL <br>STAMPING: B 623 1942 <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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1972 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 11 MI SE FROM LEGGETT. 11.0 MILES SOUTH ALONG OLD U.S. HIGHWAY 101 FROM THE POST OFFICE AT LEGGETT, 11.65 MILES NORTH OF LAYTONVILLE, AT THE JUNCTION OF A DIRT ROAD NORTH TO BELL SPRINGS AND THE CROSSING OF CUMMINGS CREEK, IN THE TOP OF THE WEST END OF A CONCRETE RETAINING WALL, 37 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY MEASURED FROM THE CENTER OF THE JUNCTION, 77 FEET WEST OF THE WEST END OF A ROCK WALL AROUND A HOUSE, 3.5 FEET EAST OF THE EAST EDGE OF 72-INCH PIPE CULVERT 81.16 OVER CUMMINGS CREEK, AND ABOUT 9 FEET LOWER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1972 RECOVERED IN GOOD CONDITION. JT1434 B 630 http://www.geocaching.com/mark/details.asp?PID=JT1434 B 630 Geocache Geocache B 630 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 630</h1> <b> PID </b> JT1434 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> POINT ARENA (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 57 11. (N) 123 41 21. (W) SCALED <br> <b> NAVD 88 </b> 38.941 (meters) 127.76 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.91 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 38.920 (meters) 127.69 (feet) COMP <br> <b> MODELED GRAV</b> 980,084.8 (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 2 </td><td> 644,160. </td><td> 1,853,600. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 38.049 (m) 124.83 (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: 10SDJ402117(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: B 630 1942 <br>MARK LOGO: CGS <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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1965 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1965 1 MI S FROM MANCHESTER. 1.0 MILE SOUTH ALONG STATE HIGHWAY 1 FROM THE MANCHESTER ELEMENTARY SCHOOL AT MANCHESTER, 22 FEET SOUTHWEST OF THE CENTERLINE OF A FARM DRIVEWAY LEADING NORTHWEST, 20.0 FEET NORTHWEST OF THE CENTERLINE OF THE HIGHWAY, 7.2 FEET SOUTH OF A FENCE CORNER, 3.1 FEET EAST OF TELEPHONE POLE 123, 3.0 FEET SOUTHEAST OF A FENCE LINE, 1.4 FEET NORTHWEST OF A METAL WITNESS POST, ABOUT 1/2 FOOT HIGHER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 2.0 KM (1.25 MI) SOUTHERLY ALONG STATE HIGHWAY 1 FROM THE POST OFFICE IN MANCHESTER. KT0962 B 636 http://www.geocaching.com/mark/details.asp?PID=KT0962 B 636 Geocache Geocache B 636 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 636</h1> <b> PID </b> KT0962 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> IRON PEAK (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 52 23. (N) 123 28 05. (W) SCALED <br> <b> NAVD 88 </b> 678.90 (+/-2cm) 2227.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.37 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (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 2 </td><td> 745,950. </td><td> 1,874,410. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 677.958 (m) 2224.27 (f) ADJ UNCH 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: 10SDK599137(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 636 1942 <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>1942 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1966 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1966 2.7 MI W FROM SPYROCK SIDING. 2.7 MILES WEST ALONG SPYROCK ROAD FROM SPYROCK SIDING, 0.2 MILE WEST OF A FORK IN THE ROAD, 100 FEET SOUTH OF THE CENTERLINE OF THE ROAD, 22 FEET EAST OF THE CENTERLINE OF AN ABANDONED SECTION OF THE ROAD, 1.7 FEET WEST OF A WOODEN WITNESS POST, ABOUT THE SAME ELEVATION AS THE ROADS, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. KT1008 B 637 http://www.geocaching.com/mark/details.asp?PID=KT1008 B 637 Geocache Geocache B 637 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 637</h1> <b> PID </b> KT1008 <br> <b> STATE/COUNTY</b> CA/MENDOCINO <br> <b> USGS QUAD </b> UPDEGRAFF RIDGE (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 39 56 39. (N) 123 27 01. (W) SCALED <br> <b> NAVD 88 </b> 204.81 (+/-2cm) 671.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.44 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br>