Benchmark file generated by bmgpx bmgpx by Ron Parker bmgpx@parkrrrr.com JT1138 122 http://www.geocaching.com/mark/details.asp?PID=JT1138 122 Geocache Geocache 122 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>122</h1> <b> PID </b> JT1138 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> HEALDSBURG (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 36 26. (N) 122 51 56. (W) SCALED <br> <b> NAVD 88 </b> 31.858 (meters) 104.52 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.91 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 31.839 (meters) 104.46 (feet) COMP <br> <b> MODELED GRAV</b> 980,034.3 (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> 604,770. </td><td> 1,924,610. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 30.991 (m) 101.68 (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Superseded values are not recommended for survey control.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 See file dsdata.txt to determine how the superseded data were derived.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: 10SEH117732(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: 122 <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>UNK </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1960 </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 1960 AT HEALDSBURG. AT HEALDSBURG, SONOMA COUNTY, 111.0 FEET WEST OF THE WEST CORNER OF THE NORTHWESTERN PACIFIC RAILROAD STATION, 34.1 FEET WEST OF BENCH MARK F 106, 23.0 FEET NORTHEAST OF THE NORTHEAST RAIL OF THE MAIN TRACK, 21.7 FEET WEST OF THE WEST CORNER OF THE WAITING ROOM, 11.3 FEET NORTHWEST OF THE WEST CORNER OF A CONCRETE SIDEWALK, AND ABOUT LEVEL WITH THE TRACK. A STANDARD U.S. COAST AND GEODETIC SURVEY AND STATE SURVEY DISK STAMPED 122 SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. JT1272 135 M http://www.geocaching.com/mark/details.asp?PID=JT1272 135 M Geocache Geocache 135 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>135 M</h1> <b> PID </b> JT1272 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ANNAPOLIS (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 39 57. (N) 123 18 49. (W) SCALED <br> <b> NAVD 88 </b> 48.31 (+/-2cm) 158.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.52 (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> 611,740. </td><td> 1,885,680. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 47.43 (m) 155.6 (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: 10SDH727797(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE <br>STAMPING: 135 M-154 FEET-1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 8 MI E FROM ANNAPOLIS. 10 FEET FROM THE EAST END OF THE LONG WING RETAINING WALL AT THE SOUTHEAST END OF THE WOODEN BRIDGE OVER THE GUALALA RIVER STAMPED---135 M-154 FEET-1933---. JT1276 136 M http://www.geocaching.com/mark/details.asp?PID=JT1276 136 M Geocache Geocache 136 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>136 M</h1> <b> PID </b> JT1276 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ANNAPOLIS (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 39 23. (N) 123 20 28. (W) SCALED <br> <b> NAVD 88 </b> 326.85 (+/-2cm) 1072.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.63 (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> 610,730. </td><td> 1,883,280. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 325.97 (m) 1069.5 (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: 10SDH703787(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: 136 M 1068 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1961 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1987 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1961 4.5 MI E FROM STEWARTS POINT. 4.5 MILES EAST ALONG THE SKAGGS SPRINGS ROAD FROM THE POST OFFICE AT STEWARTS POINT, 59 FEET NORTHEAST OF THE CENTERLINE OF THE ROAD, 19.0 FEET SOUTHWEST OF THE SOUTH CORNER OF THE KASHIA RESERVATION SCHOOL, ABOUT 1 FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST THAT PROJECTS 0.2 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (TM) RECOVERED IN GOOD CONDITION. JT1277 137 M http://www.geocaching.com/mark/details.asp?PID=JT1277 137 M Geocache Geocache 137 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>137 M</h1> <b> PID </b> JT1277 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ANNAPOLIS (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 39 07. (N) 123 21 53. (W) SCALED <br> <b> NAVD 88 </b> 51.49 (+/-2cm) 168.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.75 (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> 610,260. </td><td> 1,881,210. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 50.614 (m) 166.06 (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: 10SDH682782(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: ABUTMENT <br>STAMPING: 137 M 164 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1961 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1975 </td><td>GOOD </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1961 2.6 MI E FROM STEWARTS POINT. 2.6 MILES EAST ALONG THE SKAGGS SPRINGS ROAD FROM THE POST OFFICE AT STEWARTS POINT, AT A STEEL BRIDGE OVER THE GUALALA RIVER, IN THE TOP OF THE NORTHWEST ABUTMENT, 10 FEET NORTHEAST OF THE CENTERLINE OF THE ROAD, 1.0 FOOT SOUTHWEST OF THE NORTHEAST END OF THE ABUTMENT, AND ABOUT 1/2 FOOT HIGHER THAN THE ROAD. <p> <h2>STATION RECOVERY (1975) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1975 RECOVERED IN GOOD CONDITION. JT1216 138 M http://www.geocaching.com/mark/details.asp?PID=JT1216 138 M Geocache Geocache 138 M CGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>138 M</h1> <b> PID </b> JT1216 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> STEWARTS POINT (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 39 06. (N) 123 23 58. (W) SCALED <br> <b> NAVD 88 </b> 34.10 (+/-2cm) 111.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.91 (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> 610,280. </td><td> 1,878,190. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 33.23 (m) 109.0 (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: 10SDH652781(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: PLATFORM <br>STAMPING: 138 M 1933 107 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1975 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1987 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1975 AT STEWARTS POINT. AT STEWARTS POINT, ALONG STATE HWY 1, 57 FT NW OF A ROAD JUNCTION, AT THE RICHARDSON STORE, 11 FT SE OF THE SE CORNER OF THE BUILDING, AND IN THE CONCRETE PLATFORM OF A GASOLINE PUMP. A USGS STANDARD DISK, STAMPED---138 M 1933 107---. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (TM) RECOVERED IN GOOD CONDITION. JT1219 139 M http://www.geocaching.com/mark/details.asp?PID=JT1219 139 M Geocache Geocache 139 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>139 M</h1> <b> PID </b> JT1219 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> STEWARTS POINT (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 37 58. (N) 123 23 14. (W) SCALED <br> <b> NAVD 88 </b> 33.11 (+/-2cm) 108.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.95 (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> 608,170. </td><td> 1,879,220. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 32.25 (m) 105.8 (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: 10SDH662760(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: BEDROCK <br>STAMPING: 104 139 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1961 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1975 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1961 1.6 MI SE FROM STEWARTS POINT. 1.6 MILES SOUTHEAST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT STEWARTS POINT, 44.5 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, 37.0 FEET SOUTHEAST OF TELEPHONE POLE 1302, 6.6 FEET SOUTHWEST OF A WOODEN WITNESS POST, 6.0 FEET NORTHEAST OF A FENCE LINE, ABOUT 6 FEET LOWER THAN THE HIGHWAY, AND CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS ABOUT 1 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1975) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1975 MARK NOT FOUND. JT1223 140 M http://www.geocaching.com/mark/details.asp?PID=JT1223 140 M Geocache Geocache 140 M CGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>140 M</h1> <b> PID </b> JT1223 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> PLANTATION (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 36 45. (N) 123 21 53. (W) SCALED <br> <b> NAVD 88 </b> 56.07 (+/-2cm) 184.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.94 (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> 605,890. </td><td> 1,881,150. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 55.21 (m) 181.1 (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: 10SDH682738(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: 140 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1975 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1975 3.6 MI SE FROM STEWARTS POINT. 3.6 MI SE ALONG STATE HWY 1 FROM THE PO AT STEWARTS POINT, OPPOSITE HORSESHOE COVE, 0.1 MI S FROM THE POINT OF TANGENT ALONG A STRAIGHT AND UP-HILL GRADE OF THE HWY, AT THE TOP OF A SMALL WOODED HILL, 50 FT E OF THE CENTERLINE OF THE HWY, 52 FT W OF THE CENTERLINE OF AN OLD ROAD, 30 FT W OF A WOODED FENCE, 4 FT NE OF A WITNESS POST. A USGS STANDARD DISK, STAMPED 140 M 1933 SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1988 (TM) RECOVERED IN GOOD CONDITION. JT1225 141 M http://www.geocaching.com/mark/details.asp?PID=JT1225 141 M Geocache Geocache 141 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>141 M</h1> <b> PID </b> JT1225 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> PLANTATION (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 35 40. (N) 123 20 42. (W) SCALED <br> <b> NAVD 88 </b> 43.41 (+/-2cm) 142.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.94 (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> 603,860. </td><td> 1,882,840. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 42.55 (m) 139.6 (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: 10SDH699718(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: 138 141 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1975 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1988 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1933 5.3 MI SE FROM STEWARTS POINT. 5.3 MILES SOUTHEAST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT STEWARTS POINT, 0.2 MILE SOUTH OF A LARGE WHITE FARMHOUSE, 60 FEET NORTHWEST OF THE CENTER OF THE JUNCTION OF A ROAD LEADING TO PLANTATION, 30.0 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, 22.5 FEET SOUTH OF THE WEST END OF 18-INCH CORRUGATED METAL PIPE CULVERT D 10.41, 5.2 FEET SOUTHWEST OF A FENCE LINE, 2.3 FEET NORTHWEST OF A WOODEN WITNESS POST, ABOUT 5 FEET LOWER THAN THE HIGHWAY, AND CEMENTED IN A DRILL HOLE IN THE TOP OF A BOULDER THAT PROJECTS 1 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1975) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1975 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1988 (TM) MARK NOT FOUND. JT0631 145 http://www.geocaching.com/mark/details.asp?PID=JT0631 145 Geocache Geocache 145 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>145</h1> <b> PID </b> JT0631 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> VALLEY FORD (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 44. (N) 122 58 18. (W) SCALED <br> <b> NAVD 88 </b> 44.68 (+/-2cm) 146.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.77 (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> 575,820. </td><td> 1,915,060. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 43.82 (m) 143.8 (f) RESET 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH024441(NAD 83) <br>MARKER: P = PIPE CAP <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 145 <br>MARK LOGO: USGS <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>1959 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1984 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1959 AT BODEGA. AT BODEGA, AT POTTER SCHOOL, IN THE SCHOOLYARD, 34 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF THE SCHOOLHOUSE, AND NEAR A WHITE WOODEN WITNESS POST. <p> <h2>STATION RECOVERY (1984) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1984 WITNESS POST INTACT, (SCHOOLYARD HAS BECOME A KITCHEN VEGETABLE GARDEN. SCHOOL NOW A RESTAURANT--ART GALERY) JT1150 30 M RESET http://www.geocaching.com/mark/details.asp?PID=JT1150 30 M RESET Geocache Geocache 30 M RESET USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>30 M RESET</h1> <b> PID </b> JT1150 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GEYSERVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 42 45. (N) 122 58 40. (W) SCALED <br> <b> NAVD 88 </b> 62.26 (+/-2cm) 204.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.74 (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> 616,550. </td><td> 1,914,960. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 61.38 (m) 201.4 (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: 10SEH019848(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: ABUTMENT <br>STAMPING: 30 M RESET 1968 <br>MARK LOGO: USGS <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>1968 </td><td>MONUMENTED </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1968 4.4 MI NE FROM SKAGGS SPRINGS. 4.4 MILES NORTHEAST ALONG THE GEYSERVILLE-STEWARTS POINT ROAD FROM THE POST OFFICE AT SKAGGS SPRINGS, 7.4 MILES SOUTHEAST OF CLOVERDALE, SET IN THE SOUTHEAST WINGWALL NEAR THE JUNCTION WITH THE SOUTH ABUTMENT OF THE DRY CREEK ROAD BRIDGE OVER DUTCHER CREEK, 24 FEET LEFT OF HIGHWAY STATION 34 + 50. NOTE-- THE DECEMBER 1968 ELEVATION BY THE U.S. GEOLOGICAL SURVEY = 201.279 FEET THE MARCH 1970 ELEVATION BY THE U.S. ARMY ENGINEERS =201.395 FEET. JT1147 31 M http://www.geocaching.com/mark/details.asp?PID=JT1147 31 M Geocache Geocache 31 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>31 M</h1> <b> PID </b> JT1147 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GEYSERVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 43 13. (N) 122 59 54. (W) SCALED <br> <b> NAVD 88 </b> 65.43 (+/-2cm) 214.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.74 (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> 617,430. </td><td> 1,913,190. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 64.55 (m) 211.8 (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: 10SEH001857(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: ABUTMENT <br>STAMPING: 31 M 1933 211 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1960 </td><td>MARK NOT FOUND </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 3 MI NE FROM SKAGGS SPRINGS. 3.0 MILES NORTHEAST ALONG THE GEYSERVILLE-STEWARTS POINT ROAD FROM THE POST OFFICE AT SKAGGS SPRINGS, SONOMA COUNTY, 6.4 MILES NORTHWEST OF GEYSERVILLE, 10 FEET EAST OF THE JUNCTION OF A ROAD LEADING TO FLATRIDGE RANCH, AT A WOODEN BRIDGE OVER DRY CREEK, IN THE TOP OF THE EAST WING WALL OF THE NORTH CONCRETE ABUTMENT, AND 4 FEET FROM THE FACE OF THE NORTH RETAINING WALL. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---31 M 1933 211---. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 MARK NOT FOUND. JT1290 32 M http://www.geocaching.com/mark/details.asp?PID=JT1290 32 M Geocache Geocache 32 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>32 M</h1> <b> PID </b> JT1290 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> WARM SPRINGS DAM (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 42 33. (N) 123 01 05. (W) SCALED <br> <b> NAVD 88 </b> 115.09 (+/-2cm) 377.6 (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> 616,220. </td><td> 1,911,460. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 114.21 (m) 374.7 (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: 10SDH984845(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: 32 M 1933 374 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1960 1.5 MI NE FROM SKAGGS SPRINGS. 1.5 MILES NORTHEAST ALONG THE GEYSERVILLE-STEWARTS POINT ROAD FROM THE VILLAGE OF SKAGGS SPRINGS, AT A SMALL FLAT AREA BETWEEN ROAD CUTS, IN THE TOP OF A LARGE BOULDER THAT PROJECTS 3 FEET ABOVE THE GROUND AND IS 20 FEET NORTH OF THE CENTERLINE OF THE ROAD. A U.S. GEOLOGICAL SURVEY DISK. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (TM) MARK NOT FOUND. JT1289 33 M http://www.geocaching.com/mark/details.asp?PID=JT1289 33 M Geocache Geocache 33 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>33 M</h1> <b> PID </b> JT1289 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> WARM SPRINGS DAM (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 41 40. (N) 123 01 37. (W) SCALED <br> <b> NAVD 88 </b> 95.73 (+/-2cm) 314.1 (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> 614,590. </td><td> 1,910,670. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 94.84 (m) 311.2 (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: 10SDH976828(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: 33 M 1933 310 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1960 AT SKAGGS SPRINGS. AT SKAGGS SPRINGS, ABOUT 80 YARDS SOUTHWEST OF THE FORMER SITE OF THE OLD POST OFFICE, AT A CONCRETE CULVERT OVER LITTLE WARM SPRINGS CREEK, IN THE TOP OF THE WEST HEADWALL, AND 10 FEET NORTHWEST OF THE CENTERLINE OF THE ROAD. A U.S. GEOLOGICAL SURVEY DISK. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (TM) MARK NOT FOUND. JT0843 35 M http://www.geocaching.com/mark/details.asp?PID=JT0843 35 M Geocache Geocache 35 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>35 M</h1> <b> PID </b> JT0843 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SANTA ROSA (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 37. (N) 122 44 27. (W) SCALED <br> <b> NAVD 88 </b> 38.48 (+/-2cm) 126.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.32 (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> 584,660. </td><td> 1,935,310. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 37.63 (m) 123.5 (f) RESET 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH226532(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CURB <br>STAMPING: 122 35 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1960 2.2 MI SW FROM SANTA ROSA. 0.4 MILE SOUTH ALONG SANTA ROSA AVENUE FROM THE SONOMA COUNTY COURTHOUSE IN SANTA ROSA, THENCE 1.8 MILES WEST ALONG SEBASTOPOL ROAD (STATE HIGHWAY 12), AT THE STONY POINT ROAD INTERSECTION, 85 FEET EAST OF THE CENTERLINE OF STONY POINT ROAD, 21 FEET SOUTH OF THE CENTERLINE OF SEBASTOPOL ROAD, 5.5 FEET WEST OF A POWERLINE POLE, 1.3 FEET SOUTH OF A CONCRETE CURBING, AT THE NORTH EDGE OF A PAVED AREA OCCUPIED BY A SERVICE STATION, A U.S. GEOLOGICAL SURVEY DISK 0.8 FOOT BELOW THE PAVED SURFACE AND PROTECTED BY AN 8-INCH IRON CYLINDER WITH A COVER THAT IS FLUSH WITH THE SURFACE. JT0839 36 M http://www.geocaching.com/mark/details.asp?PID=JT0839 36 M Geocache Geocache 36 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>36 M</h1> <b> PID </b> JT0839 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEBASTOPOL (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 42. (N) 122 47 41. (W) SCALED <br> <b> NAVD 88 </b> 24.43 (+/-2cm) 80.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.41 (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> 583,000. </td><td> 1,930,590. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 23.58 (m) 77.4 (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: 10SEH179515(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: 36 M 1935 <br>MARK LOGO: USGS <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>1935 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1938 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1938 1.8 MI E FROM SEBASTOPOL. 1.8 MILES EAST ALONG STATE HIGHWAY 12 FROM THE PUBLIC LIBRARY AT SEBASTOPOL, SONOMA COUNTY, AT THE JUNCTION OF A ROAD LEADING TO LLANO, 51 FEET WEST OF THE CENTERLINE OF THE ROAD, 12 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, AT A CONCRETE CULVERT, AND IN THE TOP OF THE EAST END OF THE SOUTH HEADWALL. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---36 M 1935---. JT0840 36 M RESET http://www.geocaching.com/mark/details.asp?PID=JT0840 36 M RESET Geocache Geocache 36 M RESET USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>36 M RESET</h1> <b> PID </b> JT0840 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEBASTOPOL (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 42. (N) 122 47 39. (W) SCALED <br> <b> NAVD 88 </b> 24.579 (meters) 80.64 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.41 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 24.564 (meters) 80.59 (feet) COMP <br> <b> MODELED GRAV</b> 980,016.1 (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> 583,000. </td><td> 1,930,640. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 23.726 (m) 77.84 (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: 10SEH179515(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: HEADWALL <br>STAMPING: 36 M 1933 76 (RESET, 1952) <br>MARK LOGO: USGS <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>1952 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1984 </td><td>GOOD </td><td>USPSQD</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1952 5 MI SW FROM SEBASTOPOL. SANTA ROSA STATION, 5.0 MILES SOUTHWEST OF, AT JCT. OF SEABASTOPOL AND LLANA RDS., 55 FEET SOUTHWEST AND 12 FEET SOUTHEAST OF T-ROAD SOUTHEAST, IN TOP OF NORTHEAST HEAD WALL OF CONCRETE CULVERT. STANDARD TABLET STAMPED---36 M 1933 76 (RESET, 1952)---. <p> <h2>STATION RECOVERY (1984) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1984 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. 2.8 KM (1.75 MI) EASTERLY ALONG STATE HIGHWAY 12 FROM THE JUNCTION OF MAIN STREET IN SEBASTOPOL, IN TOP OF AND 0.4 M (1.3 FT) SOUTHWEST OF THE NORTHEAST END OF A CONCRETE CULVERT, 18.4 M (60.4 FT) SOUTHWEST OF THE CENTERLINE OF LLANO ROAD, AND 5.7 M (18.7 FT) SOUTHEAST OF THE CENTERLINE OF THE HIGHWAY. THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. JT0836 37 M http://www.geocaching.com/mark/details.asp?PID=JT0836 37 M Geocache Geocache 37 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>37 M</h1> <b> PID </b> JT0836 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEBASTOPOL (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 02. (N) 122 49 24. (W) SCALED <br> <b> NAVD 88 </b> 24.624 (meters) 80.79 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.45 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 24.609 (meters) 80.74 (feet) COMP <br> <b> MODELED GRAV</b> 980,014.3 (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> 581,790. </td><td> 1,928,080. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 23.773 (m) 78.00 (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: 10SEH154502(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC. <br>SP_SET: SIDEWALK <br>STAMPING: 37 M 1935 <br>MARK LOGO: USGS <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>1935 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1938 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1984 </td><td>GOOD </td><td>USPSQD</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1938 AT SEBASTOPOL. AT SEBASTOPOL, SONOMA COUNTY, 550 FEET SOUTH OF THE CENTER OF THE JUNCTION OF MAIN STREET AND BODEGA AVENUE, AT THE NORTHWEST CORNER OF THE PETALUMA AND SANTA ROSA RAILROAD STATION, 41 FEET NORTHEAST OF THE CENTERLINE OF MAIN STREET, AND IN THE TOP OF THE STATION SIDEWALK. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED 37 M 1935. <p> <h2>STATION RECOVERY (1984) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1984 NOTE: THE RAILROAD STATION IS NOW A FLOWER SHOP, THE '7' IN 37 WAS STAMPED OVER AN '8'. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. IN SEBASTOPOL, AT 261 SOUTH MAIN STREET, IN A SIDEWALK AT THE NORTHWEST CORNER OF THE ABANDONED RAILROAD STATION AT 261 SOUTH MAIN STREET, 12.5 M (41.0 FT) EAST OF THE CENTERLINE OF THE STREET, AND 1.0 M (3.3 FT) WEST OF THE NORTHWEST CORNER OF THE STATION. NOTE--THE ORIGINAL DESCRIPTION STATES THAT THE STAMPING IS 37 M 1935, BUT IS AS ABOVE. THE MARK IS 0.1 M ABOVE THE STREET. JT0833 38 M http://www.geocaching.com/mark/details.asp?PID=JT0833 38 M Geocache Geocache 38 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>38 M</h1> <b> PID </b> JT0833 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEBASTOPOL (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 23 47. (N) 122 51 04. (W) SCALED <br> <b> NAVD 88 </b> 56.195 (meters) 184.37 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.48 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 56.160 (meters) 184.25 (feet) COMP <br> <b> MODELED GRAV</b> 980,012.2 (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> 581,350. </td><td> 1,925,650. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 55.345 (m) 181.58 (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: 10SEH130498(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: HEADWALL <br>STAMPING: 38 M 180 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1984 </td><td>GOOD </td><td>USPSQD</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1960 1.5 MI W FROM SEBASTOPOL. 1.5 MILES WEST ALONG BODEGA HIGHWAY FROM THE PUBLIC LIBRARY IN SEBASTOPOL, AT THE WATER TROUGH ROAD INTERSECTION, 100 FEET SOUTH OF THE CENTERLINE OF BODEGA HIGHWAY, 30 FEET WEST OF THE CENTERLINE OF WATER TROUGH ROAD, IN THE TOP OF THE NORTHWEST CORNER OF A SMALL MULTIPLE CULVERT, A U.S. GEOLOGICAL SURVEY DISK CEMENTED IN A DRILL HOLE. <p> <h2>STATION RECOVERY (1984) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1984 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 2.6 KM (1.60 MI) SOUTHWESTERLY ALONG BODEGA HIGHWAY FROM THE JUNCTION OF MAIN STREET IN SEBASTOPOL. JT0752 39 http://www.geocaching.com/mark/details.asp?PID=JT0752 39 Geocache Geocache 39 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>39</h1> <b> PID </b> JT0752 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> COTATI (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 16 44. (N) 122 39 55. (W) SCALED <br> <b> NAVD 88 </b> 13.21 (+/-2cm) 43.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.53 (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> 568,170. </td><td> 1,941,790. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 12.39 (m) 40.6 (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: 10SEH292368(NAD 83) <br>MARKER: P = PIPE CAP <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 40.587 39 <br>MARK LOGO: USGS <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - June 15, 1999 <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>1934 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>CGS</td></tr><tr><td>19990615</td><td>GOOD </td><td>INDIV</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 3.4 MI N FROM PETALUMA. 3.4 MILES NORTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT PETALUMA, SONOMA COUNTY, ABOUT 1000 FEET SOUTH OF CROSSING NO. 42-B, MIDWAY BETWEEN THE NORTH AND SOUTH ENDS OF THE SIDING AT ELY, 15 FEET NORTH OF MILEPOST 42, 25 FEET EAST OF THE TRACK, AND AT THE RIGHT-OF-WAY FENCE LINE. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED---40.587 39--- AND RIVETED ON THE TOP OF A 3-1/2 INCH IRON PIPE PROJECTING 8 INCHES ABOVE GROUND. NOTE-- EXCEPT THE ELY SIDING IS NO LONGER IN EXISTENCE. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1999) </h2> <p>RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 1999 (SGS) RECOVERED IN GOOD CONDITION. JT0832 39 M http://www.geocaching.com/mark/details.asp?PID=JT0832 39 M Geocache Geocache 39 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>39 M</h1> <b> PID </b> JT0832 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> CAMP MEEKER (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 23 28. (N) 122 52 52. (W) SCALED <br> <b> NAVD 88 </b> 52.449 (meters) 172.08 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.50 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 52.417 (meters) 171.97 (feet) COMP <br> <b> MODELED GRAV</b> 980,016.8 (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> 580,790. </td><td> 1,923,030. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 51.601 (m) 169.29 (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: 10SEH103492(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 38 = SET IN THE ABUTMENT OR PIER OF A LARGE BRIDGE <br>SP_SET: ABUTMENT <br>STAMPING: 39 M 1935 <br>MARK LOGO: USGS <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>1935 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1938 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1984 </td><td>GOOD </td><td>USPSQD</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1938 3.2 MI W FROM SEBASTOPOL. 3.2 MILES WEST ALONG THE VALLEY FORD-SEBASTOPOL ROAD FROM THE PUBLIC LIBRARY AT SEBASTOPOL, SONOMA COUNTY, AT A CONCRETE BRIDGE, IN THE TOP OF THE NORTH END OF THE WEST ABUTMENT, AND 12 FEET NORTHWEST OF THE CENTERLINE OF THE ROAD. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED 39 M 1935. <p> <h2>STATION RECOVERY (1984) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1984 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. 5.5 KM (3.40 MI) SOUTHWESTERLY ALONG BODEGA HIGHWAY FROM THE JUNCTION OF MAIN STREET IN SEBASTOPOL, IN TOP OF THE NORTHWEST END OF THE SOUTHWEST ABUTMENT OF A SMALL HIGHWAY BRIDGE SPANNING A SMALL STREAM, AND 5.7 M (18.7 FT) NORTHWEST OF THE CENTERLINE OF THE HIGHWAY. NOTE--THE ORIGINAL DESCRIPTION STATES THAT THE DISK IS STAMPED 39 M 1935, BUT IS STAMPED AS ABOVE. JT0646 41.2 http://www.geocaching.com/mark/details.asp?PID=JT0646 41.2 Geocache Geocache 41.2 USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>41.2</h1> <b> PID </b> JT0646 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> VALLEY FORD (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 10. (N) 122 54 16. (W) SCALED <br> <b> NAVD 88 </b> 13.88 (+/-2cm) 45.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.72 (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> 572,860. </td><td> 1,920,910. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 13.042 (m) 42.79 (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: 10SEH083412(NAD 83) <br>MARKER: P = PIPE CAP <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>USGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1959 1.3 MI S FROM VALLEY FORD. 1.3 MILES SOUTH ALONG STATE HIGHWAY 1 FROM THE DEPOT HOTEL AT VALLEY FORD, 24 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, 0.5 FOOT NORTH OF A RAIL FENCE, AND NEAR A WHITE WOODEN WITNESS POST. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 MARK NOT FOUND. JT0642 48 M http://www.geocaching.com/mark/details.asp?PID=JT0642 48 M Geocache Geocache 48 M USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>48 M</h1> <b> PID </b> JT0642 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> VALLEY FORD (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 47. (N) 122 55 32. (W) SCALED <br> <b> NAVD 88 </b> 8.81 (+/-2cm) 28.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.73 (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> 574,020. </td><td> 1,919,070. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 7.962 (m) 26.12 (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: 10SEH065424(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: 48 M 25 1933 <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1959 0.9 MI N FROM VALLEY FORD. 0.5 MILE NORTHWEST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT VALLEY FORD, THENCE 0.4 MILE NORTH ALONG THE OCCIDENTAL ROAD, AT A CONCRETE CULVERT ON AN ABANDONED SECTION OF THE ROAD, IN THE TOP OF THE EAST HEADWALL, 25.4 FEET WEST OF THE CENTERLINE OF THE NEW SECTION OF THE ROAD, 6 FEET WEST OF THE WEST HEADWALL OF A CULVERT ON THE NEW ROAD, 46.5 FEET NORTHEAST OF TELEPHONE POLE 329, 3.4 FEET SOUTH OF THE NORTH END OF THE HEADWALL, AND ABOUT 1 FOOT LOWER THAN THE ROAD. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 THE HEADWALL HAS BEEN REMOVED. JT0772 5 http://www.geocaching.com/mark/details.asp?PID=JT0772 5 Geocache Geocache 5 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>5</h1> <b> PID </b> JT0772 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> PETALUMA RIVER (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 12 33. (N) 122 35 20. (W) SCALED <br> <b> NAVD 88 </b> 3.10 (+/-2cm) 10.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.65 (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> 560,390. </td><td> 1,948,420. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 2.27 (m) 7.4 (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: 10SEH359291(NAD 83) <br>MARKER: P = PIPE CAP <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 7.425 5 <br>MARK LOGO: USGS <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>1934 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1986 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1934 3.3 MI SE FROM PETALUMA. 3.3 MILES SOUTHEAST ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT PETALUMA, SONOMA COUNTY, AT SURVEY STATION 1775+, AT THE POINT OF A HILL, 150 FEET WEST OF THE MAIN TRACK, 100 FEET EAST OF A 4-FOOT ROCK PROJECTING ABOVE THE GROUND, AND 30 FEET WEST OF A MARSH AT THE FOOT OF A SMALL KNOLL. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED---7.425 5--- AND RIVETED ON THE TOP OF A 3-1/2 INCH IRON PIPE PROJECTING 10 INCHES ABOVE GROUND. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1986) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1986 (TM) RECOVERED IN GOOD CONDITION. JT0890 58 http://www.geocaching.com/mark/details.asp?PID=JT0890 58 Geocache Geocache 58 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>58</h1> <b> PID </b> JT0890 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> CAMP MEEKER (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 29 27. (N) 122 53 12. (W) SCALED <br> <b> NAVD 88 </b> 20.16 (+/-2cm) 66.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.27 (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> 591,870. </td><td> 1,922,650. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 19.29 (m) 63.3 (f) RESET 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH098602(NAD 83) <br>MARKER: P = PIPE CAP <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 58 <br>MARK LOGO: USGS <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>1935 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1960 </td><td>MARK NOT FOUND </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 1.5 MI NE FROM FORESTVILLE. 1.5 MILES NORTHEAST ALONG THE HEALDSBURG ROAD FROM FORESTVILLE, SONOMA COUNTY, 114 FEET WEST OF THE NORTHWESTERN PACIFIC RAILROAD STATION, 25 YARDS NORTH OF THE CENTERLINE OF THE ROAD, 52 FEET SOUTH OF THE CENTERLINE OF THE MAIN TRACK, AT STRUCTURE 62-L, AND 25 FEET NORTH OF THE CENTERLINE OF A SIDETRACK. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED---58---, AND RIVETED ON THE TOP OF AN IRON PIPE. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 MARK NOT FOUND. JT0628 59 M http://www.geocaching.com/mark/details.asp?PID=JT0628 59 M Geocache Geocache 59 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>59 M</h1> <b> PID </b> JT0628 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> VALLEY FORD (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 04. (N) 122 59 39. (W) SCALED <br> <b> NAVD 88 </b> 71.80 (+/-2cm) 235.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.85 (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> 574,600. </td><td> 1,913,080. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 70.94 (m) 232.7 (f) RESET 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH005429(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: 231 59 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1959 1.6 MI SW FROM BODEGA. 0.7 MILE SOUTH-SOUTHWEST ALONG THE ROAD TO BODEGA BAY FROM THE POST OFFICE AT BODEGA, THENCE 0.9 MILE WEST AND SOUTHWEST ALONG STATE HIGHWAY 1, ABOUT 100 YARDS NORTHWEST OF THE NORTHWEST CORNER OF A LARGE GROVE OF ENCALYPTUS TREES, ABOUT 100 YARDS SOUTHWEST OF A FARMHOUSE, AT THE JUNCTION OF BAY HILL ROAD, 114 FEET NORTHWEST OF THE CENTERLINE OF STATE HIGHWAY 1, 38 FEET SOUTHWEST OF THE CENTERLINE OF BAY HILL ROAD, 67 FEET SOUTH OF POWER POLE 40, 4.8 FEET EAST OF A FENCE CORNER, 0.8 FOOT NORTH OF A WHITE WOODEN WITNESS POST, AND ABOUT 12 FEET LOWER THAN THE HIGHWAY. THE CONCRETE POST PROJECTS 0.2 FOOT ABOVE GROUND. JT1421 61 M http://www.geocaching.com/mark/details.asp?PID=JT1421 61 M Geocache Geocache 61 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>61 M</h1> <b> PID </b> JT1421 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 27. (N) 123 02 52. (W) SCALED <br> <b> NAVD 88 </b> 43.34 (+/-2cm) 142.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.99 (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> 575,370. </td><td> 1,908,400. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 42.49 (m) 139.4 (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: 10SDH958436(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: 61 M 138 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 0.8 MI NW FROM BODEGA BAY. 0.8 MILE NORTHWEST ALONG STATE HIGHWAY 1 FROM BODEGA BAY, SONOMA COUNTY, AT A ROAD INTERSECTION, 33 FEET NORTHEAST OF THE CENTERLINE OF THE HIGHWAY, 18 FEET NORTHWEST OF THE CENTERLINE OF THE PAVED CROSS ROAD 7 FEET NORTHEAST OF A HIGHWAY STOP SIGN, 1 FOOT SOUTHEAST OF A FENCE, AND NEAR A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED---61 M 138 1933---, AND SET IN THE TOP OF A CONCRETE POST. JT1409 62 M http://www.geocaching.com/mark/details.asp?PID=JT1409 62 M Geocache Geocache 62 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>62 M</h1> <b> PID </b> JT1409 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> DUNCANS MILLS (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 16. (N) 123 06 10. (W) SCALED <br> <b> NAVD 88 </b> 54.77 (+/-2cm) 179.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.89 (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> 584,330. </td><td> 1,903,700. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 53.90 (m) 176.8 (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: 10SDH910525(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: 175 62 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>GOOD </td><td>CGS</td></tr><tr><td>20020403</td><td>MARK NOT FOUND </td><td>CADPR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 2.8 MI SE FROM JENNER. 2.8 MILES SOUTHEAST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT JENNER, SONOMA COUNTY, AT A 12-INCH GALVANIZED-IRON CULVERT, IN THE TOP OF THE EAST HEADWALL, 12.5 FEET EAST OF THE CENTERLINE OF THE HIGHWAY, AND NEAR A WHITE WOODEN WITNESS POST. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---175 62 M 1933---. <p> <h2>STATION RECOVERY (2002) </h2> <p>RECOVERY NOTE BY CA DEPT PARKS REC 2002 (DBK) UNABLE TO FIND. HEADWALL THIS LOCATION IS ROCK AND CULVERT IS AN 18-INCH CMP. JT1405 64 M http://www.geocaching.com/mark/details.asp?PID=JT1405 64 M Geocache Geocache 64 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>64 M</h1> <b> PID </b> JT1405 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> DUNCANS MILLS (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 27 06. (N) 123 07 29. (W) SCALED <br> <b> NAVD 88 </b> 19.34 (+/-2cm) 63.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.83 (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> 587,750. </td><td> 1,901,830. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 18.47 (m) 60.6 (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: 10SDH891559(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: 59 64 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1959 </td><td>MARK NOT FOUND </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 0.6 MI NW FROM JENNER. 0.6 MILE NORTHWEST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT JENNER, SONOMA COUNTY, AT A SHARP CURVE, ABOUT 325 FEET NORTH OF RIVERS END SERVICE STATION IN 1935, AT THE EAST EDGE OF THE ROAD, IN THE TOP OF A ROCK OUTCROP, AND NEAR A WHITE WOODEN WITNESS POST. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---59 64 M 1933---, AND MARKED BY THE PAINTED LETTERS US PBM 58.9. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 MARK NOT FOUND. JT1403 65 M http://www.geocaching.com/mark/details.asp?PID=JT1403 65 M Geocache Geocache 65 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>65 M</h1> <b> PID </b> JT1403 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ARCHED ROCK (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 27 49. (N) 123 08 58. (W) SCALED <br> <b> NAVD 88 </b> 61.77 (+/-2cm) 202.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.86 (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> 589,100. </td><td> 1,899,690. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 60.90 (m) 199.8 (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: 10SDH869572(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONC BLOCK ON BOULDER <br>STAMPING: 198 65 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 2.5 MI NW FROM JENNER. 2.5 MILES NORTHWEST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT JENNER, SONOMA COUNTY, 37 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, AT A DRAW RUNNING INTO THE PACIFIC OCEAN, 9 FEET NORTHWEST OF TELEPHONE POLE 543, ON THE SOUTHEAST BANK OF THE DRAW NEAR THE TOP, 5 FEET NORTHEAST OF A FENCE, AND NEAR A WHITE WOODEN WITNESS POST. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---198 65 M 1933---, AND SET IN THE TOP OF A CONCRETE BLOCK RESTING ON A BOULDER. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (TM) MARK NOT FOUND. JT1399 67 M http://www.geocaching.com/mark/details.asp?PID=JT1399 67 M Geocache Geocache 67 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>67 M</h1> <b> PID </b> JT1399 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ARCHED ROCK (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 28 46. (N) 123 09 51. (W) SCALED <br> <b> NAVD 88 </b> 183.25 (+/-2cm) 601.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.82 (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> 590,870. </td><td> 1,898,420. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 182.38 (m) 598.4 (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: 10SDH856590(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: 596 67 M 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1987 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 5 MI NW FROM JENNER. 5.0 MILES NORTHWEST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT JENNER, SONOMA COUNTY, ABOUT 220 FEET WEST OF THE JUNCTION OF THE SEAVIEW ROAD, 30 FEET NORTHEAST OF THE CENTERLINE OF THE HIGHWAY, 13 FEET SOUTHWEST OF A FENCE, IN THE TOP OF A BOULDER, AND NEAR A WHITE WOODEN WITNESS POST. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---596 67 M 1933---. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1987 (TM) RECOVERED IN GOOD CONDITION. JT0952 86 S http://www.geocaching.com/mark/details.asp?PID=JT0952 86 S Geocache Geocache 86 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>86 S</h1> <b> PID </b> JT0952 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> KENWOOD (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 23 13. (N) 122 30 14. (W) SCALED <br> <b> NAVD 88 </b> 203.84 (+/-2cm) 668.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.04 (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> 580,080. </td><td> 1,955,980. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 202.99 (m) 666.0 (f) RESET 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH433488(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: 86 S 1947 <br>MARK LOGO: USGS <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>1947 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1951 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1951 2.5 MI NE FROM GLEN ELLEN. ABOUT 1.0 MILES NORTHEAST ALONG ARNOLD DRIVE FROM THE POST OFFICE AT GLEN ELLEN, THENCE 0.6 MILES NORTH ALONG STATE HIGHWAY 12, THENCE 0.9 MILES EAST ALONG TRINITI ROAD, ON THE OUTSIDE OF A CURVE, AT THE T JUNCTION OF A PRIVATE TRACK ROAD LEADING NORTH, 37 1/2 FEET NORTH OF THE CENTER LINE OF TRINITI ROAD, 25.0 FEET WEST OF THE CENTER LINE OF THE TRACK ROAD, 2.5 FEET NORTHEAST OF A WITNESS POST, ABOUT 4.0 FEET HIGHER THAN TRINITI ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FEET. JT0475 87 S http://www.geocaching.com/mark/details.asp?PID=JT0475 87 S Geocache Geocache 87 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>87 S</h1> <b> PID </b> JT0475 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> RUTHERFORD (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 23 29. (N) 122 28 54. (W) SCALED <br> <b> NAVD 88 </b> 500.84 (+/-2cm) 1643.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.98 (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> 580,560. </td><td> 1,957,920. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 499.98 (m) 1640.4 (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: 10SEH452493(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: 87 S 1947 <br>MARK LOGO: USGS <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>1947 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1951 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1985 </td><td>GOOD </td><td>USPSQD</td></tr><tr><td>1985 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1951 4.6 MI NE FROM GLEN ELLEN. 1.0 MILES NORTHEAST, THENCE 0.6 MILES NORTH, THENCE 3.0 MILES NORTHEAST, ABOUT 0.1 MILES SOUTHWEST OF THE Y JUNCTION OF A GRAVELED ROAD LEADING EAST, AT THE JUNCTION OF A PRIVATE RANCH ROAD LEADING NORTHWEST, 19.0 FEET WEST OF THE CENTER LINE OF THE COUNTY ROAD, 13.0 FEET NORTH OF THE CENTER LINE OF THE PRIVATE ROAD, 4.0 FEET NORTHWEST OF THE FENCE CORNER, 2.0 FEET SOUTHWEST OF A WITNESS POST, ABOUT ONE FOOT HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FEET. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1985 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1985 RECOVERED IN GOOD CONDITION. JT1427 88 http://www.geocaching.com/mark/details.asp?PID=JT1427 88 Geocache Geocache 88 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>88</h1> <b> PID </b> JT1427 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 11. (N) 123 00 47. (W) SCALED <br> <b> NAVD 88 </b> 28.01 (+/-2cm) 91.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.96 (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> 572,990. </td><td> 1,911,410. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 27.16 (m) 89.1 (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: 10SDH988412(NAD 83) <br>MARKER: P = PIPE CAP <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>MARK LOGO: USGS <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>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 2.2 MI SE FROM BAY. ABOUT 2.15 MILES SOUTHEAST ALONG STATE HIGHWAY 1 FROM BAY, ABOUT 15 FEET SOUTHWEST OF A HIGHWAY CULVERT, ABOUT 18 FEET NORTHWEST OF THE CENTER OF THE HIGHWAY AND ABOUT 7 FEET SOUTHEAST OF A FENCE, NEAR A WITNESS POST. JT1428 88 RESET http://www.geocaching.com/mark/details.asp?PID=JT1428 88 RESET Geocache Geocache 88 RESET CA-097 CA-097 Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>88 RESET</h1> <b> PID </b> JT1428 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 19 14. (N) 123 00 46. (W) SCALED <br> <b> NAVD 88 </b> 33.06 (+/-2cm) 108.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.95 (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> 573,080. </td><td> 1,911,440. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 32.21 (m) 105.7 (f) RESET 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SDH988413(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: 88 RESET 1956 <br>MARK LOGO: CA-097 <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>CA-097</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY SONOMA COUNTY CALIFORNIA 1956 2.2 MI SE FROM BODEGA BAY. 2.2 MILES SOUTHEAST ALONG STATE HIGHWAY 1 FROM BODEGA BAY, ABOUT 245 FEET NORTHEAST OF AN 18-INCH CONCRETE PIPE CULVERT AT ENGINEERS STA. 1208+35, 44 FEET NORTHWEST OF THE CENTERLINE OF THE HIGHWAY, AND NEAR A WHITE WOODEN WITNESS POST. JT0473 88 S http://www.geocaching.com/mark/details.asp?PID=JT0473 88 S Geocache Geocache 88 S USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>88 S</h1> <b> PID </b> JT0473 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> RUTHERFORD (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 24 20. (N) 122 28 20. (W) SCALED <br> <b> NAVD 88 </b> 464.53 (+/-2cm) 1524.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.92 (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> 582,130. </td><td> 1,958,750. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 463.68 (m) 1521.3 (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: 10SEH460509(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: 88 S 1947 <br>MARK LOGO: USGS <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>1947 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1951 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1951 6.4 MI NE FROM GLEN ELLEN. 1.0 MILES NORTHEAST ALONG ARNOLD DRIVE FROM THE POST OFFICE AT GLEN ELLEN, THENCE 0.6 MILES NORTH ALONG STATE HIGHWAY 12, THENCE 4.8 MILES NORTHEAST ALONG TRINITI ROAD, 6.8 MILES SOUTHWEST OF OAKVILLE, AT THE SONOMA-NAPA COUNTYLINE, AT THE END OF TRINITI ROAD AND THE BEGINNING OF DRY CREEK ROAD, 35.0 FEET EAST OF AND ACROSS THE ROAD FROM A 24-INCH TRIANGULAR-BLAZED PINE TREE, 20.0 FEET EAST OF THE CENTER LINE OF THE ROAD, 12.0 FEET SOUTHEAST OF THE FENCE CORNER POST, 1.2 FEET NORTHEAST OF THE FENCE, 2.2 FEET NORTH OF A WITNESS POST, ABOUT 1.0 FEET HIGHER THAN THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FEET. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 RECOVERED IN GOOD CONDITION. JT0975 9 M http://www.geocaching.com/mark/details.asp?PID=JT0975 9 M Geocache Geocache 9 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>9 M</h1> <b> PID </b> JT0975 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> JIMTOWN (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 39 57. (N) 122 49 14. (W) SCALED <br> <b> NAVD 88 </b> 53.85 (+/-2cm) 176.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.67 (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> 611,240. </td><td> 1,928,590. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 52.979 (m) 173.82 (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: 10SEH156797(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: 9 M 173 1933 <br>MARK LOGO: USGS <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>1933 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1942 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1975 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1985 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 6.3 MI NE FROM HEALDSBURG. 6.3 MILES NORTHEAST ALONG A COUNTY ROAD LEADING TO PINE FLAT FROM HEALDSBURG, SONOMA COUNTY, ABOUT 200 FEET SOUTH OF VALLEY STORE, 15 FEET EAST OF THE CENTERLINE OF THE ROAD, AT A CONCRETE CULVERT, AND IN THE CENTER OF THE TOP OF THE EAST HEADWALL. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---9 M 173 1933---. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1975) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1975 3.25 MILES NORTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT HEALDSBURG, THENCE 3.35 MILES NORTHEAST ALONG ALEXANDER VALLEY ROAD, AT A 24-INCH CONCRETE PIPE CULVERT WHICH RUNS PARELLEL TO AND ON THE SOUTHEAST SIDE OF THE ROAD, 205 FEET SOUTH OF THE SOUTH CORNER OF THE ALEXANDER VALLEY STORE AND BAR, 72.8 FEET SOUTHWEST OF A POWER LINE POLE NO. 90 WITH ONE TRANSFORMER, 17 FEET SOUTHEAST OF THE CENTERLINE OF THE ROAD, 2.5 FEET NORTHWEST OF THE SOUTHEAST END OF THE HEADWALL, 5.1 FEET EAST OF THE NORTHEAST END OF A STONE AND CONCRETE RETAINING WALL, AND ABOUT 0.5 FOOT BELOW THE LEVEL OF THE ROAD. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1985 RECOVERED IN GOOD CONDITION. JT1157 91 M http://www.geocaching.com/mark/details.asp?PID=JT1157 91 M Geocache Geocache 91 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>91 M</h1> <b> PID </b> JT1157 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GUERNEVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 35 46. (N) 122 52 58. (W) SCALED <br> <b> NAVD 88 </b> 31.42 (+/-2cm) 103.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.95 (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> 603,550. </td><td> 1,923,100. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 30.55 (m) 100.2 (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: 10SEH102719(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: 91 M 1932 99 <br>MARK LOGO: USGS <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>1932 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1975 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 1.6 MI SW FROM HEALDSBURG. 1.6 MILES SOUTHWEST ALONG THE FORESTVILLE ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT HEALDSBURG, SONOMA COUNTY, ABOUT 440 FEET NORTHWEST OF THE JUNCTION OF A ROAD LEADING WEST TO VENADO, IN THE TOP OF A PROMINENT ROCK OUTCROP, AND 45 FEET WEST OF THE CENTERLINE OF THE ROAD. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---91 M 1932 99---. <p> <h2>STATION RECOVERY (1975) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1975 MARK NOT FOUND. JT1142 92 M http://www.geocaching.com/mark/details.asp?PID=JT1142 92 M Geocache Geocache 92 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>92 M</h1> <b> PID </b> JT1142 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GUERNEVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 35 40. (N) 122 54 57. (W) SCALED <br> <b> NAVD 88 </b> 87.33 (+/-2cm) 286.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.97 (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> 603,390. </td><td> 1,920,220. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 86.45 (m) 283.6 (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: 10SEH073717(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: ABUTMENT <br>STAMPING: 92 M 1932 282 <br>MARK LOGO: USGS <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1932 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1960 3.9 MI W FROM HEALDSBURG. 1.7 MILES SOUTHWEST ALONG THE FORESTVILLE ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT HEALDSBURG, SONOMA COUNTY, THENCE 2.2 MILES WEST ALONG A ROAD LEADING TO VENADO, ABOUT 1 MILE WEST OF JUNCTION SCHOOL, AT A WOODEN BRIDGE OVER MILL CREEK, AND IN THE TOP OF THE SOUTH WING WALL OF THE EAST ABUTMENT. A U.S. GEOLOGICAL SURVEY DISK STAMPED---92 M 1932 282---. JT1145 94 M http://www.geocaching.com/mark/details.asp?PID=JT1145 94 M Geocache Geocache 94 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>94 M</h1> <b> PID </b> JT1145 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GUERNEVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 35 58. (N) 122 58 10. (W) SCALED <br> <b> NAVD 88 </b> 151.90 (+/-2cm) 498.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.99 (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> 603,990. </td><td> 1,915,560. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 150.99 (m) 495.4 (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: 10SEH026723(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: ABUTMENT <br>STAMPING: 94 M 1932 494 <br>MARK LOGO: USGS <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1932 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1960 </td><td>MARK NOT FOUND </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 2.9 MI E FROM VENADO. 2.9 MILES EAST ALONG THE HEALDSBURG ROAD FROM THE OLD POST OFFICE AT VENADO, SONOMA COUNTY, 1.1 MILES EAST OF DANIELS SCHOOL, 225 FEET SOUTHEAST OF THE H. HONOR HOUSE IN 1935, 85 FEET NORTHEAST OF THE JUNCTION OF A ROAD LEADING SOUTH, AT A CONCRETE CULVERT, AND IN THE TOP OF THE NORTH WING WALL OF THE EAST ABUTMENT. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---94 M 1932 494---. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 MARK NOT FOUND. JT9543 941 5338 B TIDAL http://www.geocaching.com/mark/details.asp?PID=JT9543 941 5338 B TIDAL Geocache Geocache 941 5338 B 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 5338 B TIDAL</h1> <b> PID </b> JT9543 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 09 20. (N) 122 24 34. (W) SCALED <br> <b> NAVD 88 </b> 4.171 (meters) 13.68 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.01 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.169 (meters) 13.68 (feet) COMP <br> <b> MODELED GRAV</b> 979,981.3 (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>This Tidal Bench Mark is designated as VM 11931 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> 554,350. </td><td> 1,964,110. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH517232(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 38 = SET IN THE ABUTMENT OR PIER OF A LARGE BRIDGE <br>SP_SET: ABUTMENT <br>STAMPING: 5338 B 1976 <br>MARK LOGO: NOS <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>1976 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1987 18.9 KM (11.75 MI) WEST FROM VALLEJO. 18.9 KM (11.75 MI) WEST ALONG STATE HIGHWAY 37 FROM THE JUNCTION OF INTERSTATE HIGHWAY 80 IN VALLEJO, IN THE SOUTH END OF THE WEST CONCRETE ABUTMENT OF HIGHWAY BRIDGE NUMBER 23-63 SPANNING SONOMA CREEK, 4.9 M (16.1 FT) SOUTH OF THE CENTERLINE OF THE HIGHWAY, 0.7 M (2.3 FT) EAST OF THE WEST END OF A GUARDRAIL. THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. JT9544 941 5338 F TIDAL http://www.geocaching.com/mark/details.asp?PID=JT9544 941 5338 F TIDAL Geocache Geocache 941 5338 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 5338 F TIDAL</h1> <b> PID </b> JT9544 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 09 19. (N) 122 24 42. (W) SCALED <br> <b> NAVD 88 </b> 0.526 (meters) 1.73 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.01 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 0.526 (meters) 1.73 (feet) COMP <br> <b> MODELED GRAV</b> 979,981.8 (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>This Tidal Bench Mark is designated as VM 11933 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> 554,320. </td><td> 1,963,920. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH515232(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 48 = GALVANIZED STEEL ROD W/O SLEEVE (1O FT.+) <br>SP_SET: GALVANIZED STEEL ROD <br>STAMPING: 5338 F 1976 <br>MARK LOGO: NOS <br>PROJECTION: PROJECTING 20 CENTIMETERS <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>ROD/PIPE-DEPTH: 24.3 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1976 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1989 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1989 19.1 KM (11.85 MI) WEST FROM VALLEJO. 19.1 KM (11.85 MI) WESTERLY ALONG STATE HIGHWAY 37 FROM THE JUNCTION OF INTERSTATE HIGHWAY 80 IN VALLEJO, 0.3 KM (0.20 MI) WEST OF THE WEST END OF THE HIGHWAY BRIDGE SPANNING SONOMA CREEK, 21.7 M (71.2 FT) SOUTH OF THE CENTERLINE OF THE HIGHWAY, 6.0 M (19.7 FT) WEST OF THE CENTER OF A DIRT ROAD LEADING SOUTH, AND 3.0 M (9.8 FT) NORTH OF A FENCE. NOTE--THE DISK IS FLUSH WITH THE GROUND. THE MARK IS 0.6 M BELOW THE HIGHWAY. JT0285 941 5338 TIDAL 1 RESET http://www.geocaching.com/mark/details.asp?PID=JT0285 941 5338 TIDAL 1 RESET Geocache Geocache 941 5338 TIDAL 1 RESET CADH CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 5338 TIDAL 1 RESET</h1> <b> PID </b> JT0285 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 09 20. (N) 122 24 32. (W) SCALED <br> <b> NAVD 88 </b> 4.188 (meters) 13.74 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.01 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.186 (meters) 13.73 (feet) COMP <br> <b> MODELED GRAV</b> 979,981.1 (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 11934 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> 554,350. </td><td> 1,964,160. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH517232(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC. <br>SP_SET: BRIDGE DECK <br>STAMPING: TIDAL 1 1969 <br>MARK LOGO: CGS <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>1969 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1985 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1969 2.6 MI E FROM SEARS POINT. 2.6 MILES EAST ALONG STATE HIGHWAY 48 FROM THE JUNCTION OF STATE HIGHWAY 37 AT SEARS POINT, SET IN THE TOP OF THE WEST END OF THE NEW SONOMA CREEK BRIDGE IN CONCRETE DECK, 6 INCHES FROM THE NORTH RAILING AND 15.6 INCHES NORTH OF THE CENTER LINE OF THE HIGHWAY. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1985 MARK NOT FOUND. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 18.9 KM (11.75 MI) WESTERLY ALONG STATE HIGHWAY 37 FROM THE JUNCTION OF INTERSTATE HIGHWAY 80 IN VALLEJO. DELETE--6 INCHES FROM THE NORTH RAIL. ADD--0.5 M (1.6 FT) SOUTH OF THE SOUTH EDGE OF THE NORTH CURB, AND 0.05 M (0.2 FT) EAST OF THE WEST END OF THE BRIDGE DECK. JT0283 941 5338 TIDAL 3 http://www.geocaching.com/mark/details.asp?PID=JT0283 941 5338 TIDAL 3 Geocache Geocache 941 5338 TIDAL 3 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>941 5338 TIDAL 3</h1> <b> PID </b> JT0283 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 09 20. (N) 122 24 31. (W) SCALED <br> <b> NAVD 88 </b> 2.480 (meters) 8.14 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -32.01 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 2.478 (meters) 8.13 (feet) COMP <br> <b> MODELED GRAV</b> 979,981.1 (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> 554,350. </td><td> 1,964,190. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 1.69 (m) 5.5 (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: 10SEH518232(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 34 = SET IN THE FOOTINGS OF SMALL/MEDIUM STRUCTURES <br>SP_SET: TOWER FOUNDATION <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>UNK </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1956 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1964 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1956 2.3 MI E FROM SEARS POINT. 2.3 MILES EAST ALONG STATE HIGHWAY 48 FROM THE Y JUNCTION OF STATE HIGHWAY 37 AT SEARS POINT, IN T 3 N, R 4 W, NEAR A DRAWBRIDGE OVER SONOMA CREEK, ON THE NORTHWEST BANK OF THE CREEK, AT P.G. AND E. HIGH VOLTAGE TOWER 17/108, IN TOP OF THE NORTHEAST CORNER OF THE CONCRETE BASE FOR THE NORTHEAST STEEL LEG, 178 FEET SOUTH OF THE CENTER OF THE HIGHWAY, ABOUT 4 FEET LOWER THAN THE HIGHWAY, AND ABOUT 1.3 FEET ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1964) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1964 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 18.9 KM (11.75 MI) WESTERLY ALONG STATE HIGHWAY 37 FROM THE JUNCTION OF INTERSTATE HIGHWAY 80 IN VALLEJO. CHANGE--DRAWBRIDGE TO HIGHWAY BRIDGE , AND 178 FEET SOUTH OF THE CENTER OF THE HIGHWAY, TO 32.5 M (106.6 FT) SOUTH OF THE CENTERLINE OF THE HIGHWAY. NOTE--TOWER NUMBER 17/108 IS NOW NUMBERED 35-239. JT0279 941 5338 TIDAL 3 RESET http://www.geocaching.com/mark/details.asp?PID=JT0279 941 5338 TIDAL 3 RESET Geocache Geocache 941 5338 TIDAL 3 RESET CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>941 5338 TIDAL 3 RESET</h1> <b> PID </b> JT0279 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 09 23. (N) 122 25 19. (W) SCALED <br> <b> NAVD 88 </b> 1.623 (meters) 5.32 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.99 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1.622 (meters) 5.32 (feet) COMP <br> <b> MODELED GRAV</b> 979,985.1 (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> 554,450. </td><td> 1,963,020. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 0.81 (m) 2.7 (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: 10SEH506233(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: TOWER FOUNDATION <br>STAMPING: TIDAL 3 RESET <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>UNK </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1950 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1970 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1950 1.6 MI E FROM SEARS POINT. 1.5 MILES EAST ALONG STATE HIGHWAY 48 FROM THE JUNCTION OF STATE HIGHWAY 37 AT SEARS POINT, THENCE 0.1 MILE NORTH ALONG A DIRT ROAD, AT THE W.H. NOBLE RANCH, 0.2 MILE SOUTH OF THE RANCHHOUSE, AT THE CROSSING OF THE P.G. AND E. HIGH VOLTAGE POWER LINE, AT STEEL TOWER 18/112, IN THE TOP OF THE NORTHEAST CORNER OF THE CONCRETE BASE OF THE NORTHEAST LEG OF THE TOWER, 144.0 FEET WEST OF THE CENTER LINE OF THE ROAD, AND ABOUT 4.0 FEET ABOVE THE TOP OF THE GROUND. <p> <h2>STATION RECOVERY (1970) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION. A NEW TO REACH FOLLOWS. 20.0 KM (12.45 MI) WESTERLY ALONG STATE HIGHWAY 37 FROM THE JUNCTION OF INTERSTATE 80 IN VALLEJO, THENCE 0.2 KM (0.10 MI) NORTH ALONG A GRAVELED ROAD. CHANGE--SONOMA RANCH COMPANY, TO GLENN YENNI AND SONS. JT1278 95 M http://www.geocaching.com/mark/details.asp?PID=JT1278 95 M Geocache Geocache 95 M USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>95 M</h1> <b> PID </b> JT1278 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> CAZADERO (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 36 06. (N) 123 00 11. (W) SCALED <br> <b> NAVD 88 </b> 331.26 (+/-2cm) 1086.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.01 (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> 604,270. </td><td> 1,912,630. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 330.33 (m) 1083.8 (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: 10SDH997725(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: 95 M 1932 1082 <br>MARK LOGO: USGS <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>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1960 </td><td>MARK NOT FOUND </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 0.7 MI E FROM VENADO. 0.7 MILE EAST ALONG THE HEALDSBURG ROAD FROM THE OLD POST OFFICE AT VENADO, SONOMA COUNTY, 1.2 MILES WEST OF DANIELS SCHOOL, AT THE TOP OF A LONG GRADE, 21 FEET NORTH OF THE CENTER OF A Y-ROAD JUNCTION, AND 12 FEET NORTHWEST OF THE DOELGER MAIL BOX. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED---95 M 1932 1082---, AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 MARK NOT FOUND. JT1068 A 106 http://www.geocaching.com/mark/details.asp?PID=JT1068 A 106 Geocache Geocache A 106 CADH CADH Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 106</h1> <b> PID </b> JT1068 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GEYSERVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 42 28. (N) 122 54 10. (W) SCALED <br> <b> NAVD 88 </b> 63.68 (+/-2cm) 208.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.65 (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> 615,960. </td><td> 1,921,480. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 62.80 (m) 206.0 (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: 10SEH084843(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: A 106 1932 <br>MARK LOGO: CADH <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>1935 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1960 </td><td>MARK NOT FOUND </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 AT GEYSERVILLE. AT GEYSERVILLE, SONOMA COUNTY, ON THE NORTHWESTERN PACIFIC RAILROAD, 125 FEET NORTH OF THE STATION, AT A STREET CROSSING, 100 FEET WEST OF THE MAIN TRACK, 50 FEET NORTH OF THE CENTERLINE OF DEPOT STREET, AND AT A FENCE LINE. A CALIFORNIA DIVISION OF HIGHWAYS STANDARD DISK, STAMPED---A 106 1932---, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 3 INCHES ABOVE GROUND. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 MARK NOT FOUND. JT0736 A 107 http://www.geocaching.com/mark/details.asp?PID=JT0736 A 107 Geocache Geocache A 107 CADH CADH Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 107</h1> <b> PID </b> JT0736 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> COTATI (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 22 00. (N) 122 42 49. (W) SCALED <br> <b> NAVD 88 </b> 29.66 (+/-2cm) 97.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.42 (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> 577,950. </td><td> 1,937,640. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 28.819 (m) 94.55 (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: 10SEH250465(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: A 107 1932 <br>MARK LOGO: CADH <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>1959 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1959 5 MI S FROM SANTA ROSA. 5.0 MILES SOUTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT SANTA ROSA, ABOUT 200 YARDS NORTHWEST OF THE POINT WHERE U.S. HIGHWAY 101 CROSSES OVER THE TRACK, 109.6 FEET SOUTHWEST OF THE NORTHEAST TRACK, 48 FEET WEST OF THE CENTERLINE OF WILFRED AVENUE (FORMERLY U.S. HIGHWAY 101), 20.4 FEET EAST OF THE SOUTHEAST CORNER OF A HOUSE, 7.3 FEET SOUTHEAST OF THE CORNER OF A CARPORT, AND SET IN THE TOP OF A 10-INCH SQUARE CONCRETE POST PROJECTING 1 INCH ABOVE GROUND. JT1173 A 1244 http://www.geocaching.com/mark/details.asp?PID=JT1173 A 1244 Geocache Geocache A 1244 NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1244</h1> <b> PID </b> JT1173 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> THE GEYSERS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 47 23. (N) 122 45 35. (W) SCALED <br> <b> NAVD 88 </b> 985.17 (+/-2cm) 3232.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.88 (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> 624,940. </td><td> 1,934,000. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 984.217 (m) 3229.05 (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: 10SEH208934(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK CUT <br>STAMPING: A 1244 1973 <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>1973 </td><td>MONUMENTED </td><td>NGS</td></tr><tr><td>1980 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 13.4 MI NW FROM MIDDLETOWN. 4.5 MILES NORTHWEST ALONG STATE HIGHWAY 175 FROM THE POST OFFICE AT MIDDLETOWN, THENCE 5.5 MILES WEST ALONG SOCRATES MINE ROAD, THENCE 0.15 MILE NORTH ALONG A DIRT ROAD, THENCE 3.25 MILE NORTHWEST ALONG A GRADED ROAD, (BURNED MOUNTAIN ROAD), SET VERTICALLY AT THE BASE AND IN THE SOUTHEAST FACE OF A ROCK CUT, AT THE NORTHEAST END OF THE CUT, 13.0 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD, 1.3 FEET SOUTH OF A WITNESS POST, ABOUT 1 FOOT ABOVE THE GROUND, AND ABOUT 2 FEET HIGHER THAN THE ROAD. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1980 THE WITNESS POST MENTIONED IN THE DESCRIPTION WAS FOUND, BUT NO TRACE OF THE TABLET WAS FOUND. THE ROCK THE TABLET WAS IN WAS PROBABLY TORN OUT BY A ROAD GRADER. JT1197 A 1245 http://www.geocaching.com/mark/details.asp?PID=JT1197 A 1245 Geocache Geocache A 1245 NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1245</h1> <b> PID </b> JT1197 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> THE GEYSERS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 47 28. (N) 122 47 45. (W) SCALED <br> <b> NAVD 88 </b> 512.14 (+/-2cm) 1680.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.96 (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> 625,120. </td><td> 1,930,860. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 511.203 (m) 1677.17 (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: 10SEH177936(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: A 1245 1973 <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>1973 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 14.9 MI NW FROM MIDDLETOWN. 4.5 MILES NORTHWEST ALONG STATE HIGHWAY 175 FROM THE POST OFFICE AT MIDDLETOWN, THENCE 5.5 MILES WEST ALONG SOCRATES MINE ROAD, THENCE 0.15 MILE NORTH ALONG A DIRT ROAD, THENCE 0.3 MILE WEST ALONG A GRADED ROAD, THENCE 4.45 MILE NORTHWEST ALONG A GRADED ROAD (BIG SULPHUR CREEK ROAD), AT THE CROSSING OF A CREEK, IN THE TOP OF THE LEDGE OF A MASSIVE OUTCROP, 27 FEET SOUTHEAST OF THE CENTER LINE OF THE ROAD, 20 FEET EAST OF THE CENTER OF THE END OF A 7 FOOT PIPE CULVERT, 8 FEET NORTHEAST OF THE APPROXIMATE CENTER OF THE CREEK, 2.3 FEET NORTH OF A WITNESS POST SET IN THE OUTCROP, AND ABOUT 4 1/2 FEET HIGHER THAN THE ROAD. JT9454 A 1397 http://www.geocaching.com/mark/details.asp?PID=JT9454 A 1397 Geocache Geocache A 1397 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1397</h1> <b> PID </b> JT9454 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SANTA ROSA (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 25 48. (N) 122 44 10. (W) SCALED <br> <b> NAVD 88 </b> 40.852 (meters) 134.03 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.30 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 40.827 (meters) 133.95 (feet) COMP <br> <b> MODELED GRAV</b> 980,013.0 (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> 585,000. </td><td> 1,935,730. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 39.996 (m) 131.22 (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: 10SEH230535(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 1397 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: 7.7 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 1.9 KM (1.20 MI) WEST FROM SANTA ROSA. 1.9 KM (1.20 MI) WESTERLY ALONG STATE HIGHWAY 12 FROM THE JUNCTION OF U.S. HIGHWAY 101 IN SANTA ROSA, AND 20.1 M (65.9 FT) SOUTH OF THE CENTERLINE OF THE EASTBOUND LANES OF THE HIGHWAY. 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 0.6 M BELOW THE HIGHWAY. JT9427 A 1398 http://www.geocaching.com/mark/details.asp?PID=JT9427 A 1398 Geocache Geocache A 1398 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 1398</h1> <b> PID </b> JT9427 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ASTI (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 45 34. (N) 122 58 33. (W) SCALED <br> <b> NAVD 88 </b> 100.022 (meters) 328.16 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.59 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 99.962 (meters) 327.96 (feet) COMP <br> <b> MODELED GRAV</b> 980,021.3 (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> 621,760. </td><td> 1,915,190. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 99.144 (m) 325.27 (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: 10SEH021900(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 38 = SET IN THE ABUTMENT OR PIER OF A LARGE BRIDGE <br>SP_SET: COLUMN <br>STAMPING: A 1398 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 8.6 KM (5.35 MI) SOUTH FROM CLOVERDALE. 8.6 KM (5.35 MI) SOUTHERLY ALONG U.S. HIGHWAY 101 FROM THE JUNCTION OF STATE HIGHWAY 128 AT THE NORTH EDGE OF CLOVERDALE, SET VERTICALLY IN THE EAST FACE OF THE MOST NORTHERLY 1 OF 2 COLUMNS OF THE FIRST PIER SOUTHEAST OF THE NORTHWEST ABUTMENT OF THE NORTHBOUND HIGHWAY OVERPASS OF ASTI EXIT ROAD, AND 4.5 M (14.8 FT) NORTH OF THE CENTER OF THE NORTHBOUND LANES OF THE HIGHWAY. THE MARK IS 1.3 M ABOVE THE GROUND. JT1208 A 208 RESET http://www.geocaching.com/mark/details.asp?PID=JT1208 A 208 RESET Geocache Geocache A 208 RESET CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 208 RESET</h1> <b> PID </b> JT1208 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> STEWARTS POINT (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 44 05. (N) 123 28 53. (W) SCALED <br> <b> NAVD 88 </b> 26.69 (+/-2cm) 87.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.92 (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> 619,610. </td><td> 1,871,210. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 25.82 (m) 84.7 (f) RESET 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SDH581874(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 208 1935 RESET 1951 <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>1951 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1975 </td><td>GOOD </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 1975 3.9 MI SE FROM STEWARTS POINT. IN SONOMA COUNTY, 3.9 MI SE ALONG STATE HWY 1 FROM THE GUALALA HOTEL AT GUALALA, MENDOCINO COUNTY, 0.1 MI NW OF A LINE OF TREES NORMAL TO THE HWY, 70 FT NW OF A HIGHWAY CULVERT, 38 FT SW OF THE CENTERLINE OF THE ROAD, 2 FT E OF A FENCE, AND 1 FT W OF A WOODEN WITNESS POST. A STANDARD DISK, STAMPED---A 208 1935 RESET 1951---, AND SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND. <p> <h2>STATION RECOVERY (1989) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1989 (TM) RECOVERED IN GOOD CONDITION. JT0638 A 209 RESET http://www.geocaching.com/mark/details.asp?PID=JT0638 A 209 RESET Geocache Geocache A 209 RESET CA-093 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 209 RESET</h1> <b> PID </b> JT0638 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> VALLEY FORD (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 21 22. (N) 122 55 22. (W) SCALED <br> <b> NAVD 88 </b> 52.291 (meters) 171.56 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.65 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 52.259 (meters) 171.45 (feet) COMP <br> <b> MODELED GRAV</b> 980,020.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 576,940. </td><td> 1,919,350. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 51.447 (m) 168.79 (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: 10SEH067453(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 209 RESET 1962 <br>MARK LOGO: CGS <br>PROJECTION: PROJECTING 10 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>1962 </td><td>MONUMENTED </td><td>CA-093</td></tr><tr><td>1985 </td><td>GOOD </td><td>USPSQD</td></tr><tr><td>1987 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY SISKIYOU COUNTY CALIFORNIA 1962 3.1 MI NE FROM VALLEY FORD. ABOUT 3.1 MILES NORTHEAST BY THE ROAD FROM VALLEY FORD, 750 FEET SW OF PRESENT VALLEY FORD, SEBASTOPOL TO BODEGA BAY ROAD INTERSECTION, 38 FEET NORTH OF CENTERLINE OF NEWLY CONSTRUCTED ROAD, AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1985 NOTES:-18 INCHES SOUTHWEST OF WITNESS POST, ACROSS HIGHWAY FROM DRIVEWAY TO HOME AT 14201 HIGHWAY 'BODEGA' NORTHEAST OF POLE 360. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. 11.3 KM (7.00 MI) SOUTHWESTERLY ALONG BODEGA HIGHWAY FROM THE JUNCTION OF MAIN STREET IN SEBASTOPOL, 11.6 M (38.1 FT) NORTH OF THE CENTERLINE OF THE HIGHWAY, 4.7 M (15.4 FT) NORTHEAST OF A UTILITY POLE, 1.5 M (4.9 FT) EAST OF THE EXTENDED CENTER OF A DRIVEWAY, AND 0.4 M (1.3 FT) SOUTH OF A FENCE. THE MARK IS 0.5 METERS SW FROM A WITNESS POST THE MARK IS 1.0 M ABOVE THE HIGHWAY. JT1139 A 238 http://www.geocaching.com/mark/details.asp?PID=JT1139 A 238 Geocache Geocache A 238 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 238</h1> <b> PID </b> JT1139 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GUERNEVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 36 13. (N) 122 53 08. (W) SCALED <br> <b> NAVD 88 </b> 34.864 (meters) 114.38 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.93 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 34.844 (meters) 114.32 (feet) COMP <br> <b> MODELED GRAV</b> 980,036.7 (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> 604,380. </td><td> 1,922,870. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 33.993 (m) 111.53 (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: 10SEH099727(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: RETAINING WALL <br>STAMPING: A 238 1935 <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>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1975 </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 1960 1.1 MI SW FROM HEALDSBURG. 1.1 MILES SOUTHWEST ALONG THE FORESTVILLE ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT HEALDSBURG, SONOMA COUNTY, AT THE JUNCTION OF A ROAD LEADING NORTH TO DRY CREEK VALLEY, 55 FEET NORTH OF THE CENTERLINE OF THE FORESTVILLE ROAD, 15 FEET WEST OF THE CENTERLINE OF THE DRY CREEK VALLEY ROAD, 42 FEET NORTHEAST OF THE CENTER OF A GATE LEADING TO THE MADRONA KNOLL RANCH IN 1960, AND IN THE TOP OF A STONE RETAINING WALL. A STANDARD DISK STAMPED A 238 1935. <p> <h2>STATION RECOVERY (1975) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1975 0.9 MILE SOUTHWEST ALONG MILL STREET AND WESTSIDE ROAD FROM THE JUNCTION OF HEALDSBURG AVENUE AT HEALDSBURG, AT THE JUNCTION OF WEST DRY CREEK ROAD LEADING NORTHWEST, IN THE TOP OF AND 5.5 FEET NORTHWEST OF THE SOUTHEAST END OF THE RETAINING WALL, 136.9 FEET WEST OF THE CENTER OF THE JUNCTION OF WEST DRY CREEK AND WESTSIDE ROADS, 32 FEET SOUTHWEST OF THE CENTERLINE OF WEST DRY CREEK ROAD, 51 FEET NORTH-NORTHEAST OF THE CENTER OF A GATE TO MADRONA KNOLL RANCHO, 8.5 FEET SOUTH OF A METAL PIPE CULVERT, 4.5 FEET SOUTH OF A SUPPORT POLE FOR POWER LINE POLE WITH 3 GUY WIRES, <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. JT1162 A 239 http://www.geocaching.com/mark/details.asp?PID=JT1162 A 239 Geocache Geocache A 239 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 239</h1> <b> PID </b> JT1162 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GUERNEVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 30 28. (N) 122 53 12. (W) SCALED <br> <b> NAVD 88 </b> 24.99 (+/-2cm) 82.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.22 (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> 593,750. </td><td> 1,922,670. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 24.121 (m) 79.14 (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: 10SEH098621(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BRIDGE CURB <br>STAMPING: A 239 1935 <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>1935 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 3.5 MI NE FROM FORESTVILLE. 3.5 MILES NORTHEAST ALONG THE HEALDSBURG ROAD FROM FORESTVILLE, SONOMA COUNTY, ABOUT 150 YARDS SOUTH OF THE JUNCTION OF A ROAD LEADING WEST TO GUERNEVILLE, AT A LONG STEEL BRIDGE OVER RUSSIAN RIVER, IN THE TOP OF THE CONCRETE CURB, 10 FEET WEST OF THE CENTERLINE OF THE BRIDGE, AND 6 FEET FROM THE NORTH END OF THE CURB. A STANDARD DISK, STAMPED A 239 1935. JT0267 A 470 http://www.geocaching.com/mark/details.asp?PID=JT0267 A 470 Geocache Geocache A 470 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 470</h1> <b> PID </b> JT0267 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 09 46. (N) 122 27 13. (W) SCALED <br> <b> NAVD 88 </b> 3.27 (+/-2cm) 10.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.90 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS I (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> 555,170. </td><td> 1,960,250. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 2.468 (m) 8.10 (f) ADJ UNCH 1 1 <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: 10SEH478240(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 470 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>CGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1985 </td><td>MARK NOT FOUND </td><td>USPSQD</td></tr><tr><td>1990 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1951 1 MI N FROM SEARS POINT. 1.0 MILES NORTH ALONG STATE HIGHWAY 37 FROM THE JUNCTION OF STATE HIGHWAY 48 AT SEARS POINT, AT A 24-INCH CORRUGATED METAL PIPE CULVERT NO. A-4.90, 18.6 FEET NORTHWEST OF THE NORTHWEST END OF THE SOUTHWEST CONCRETE HEAD WALL, 27.5 FEET WEST OF THE CENTER LINE OF THE HIGHWAY, 0.5 MILES SOUTH OF BRIDGE NO. 20-20 OVER TOLAY CREEK, 3.9 FEET EAST OF THE SOUTHEAST END OF A BOARD GATE LEADING TO A FIELD, 1.7 FEET NORTHWEST OF A WITNESS POST, ABOUT 1 1/2 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.5 FEET. NOTE-- THE MARK IS NEAR CULVERT A 301+00 NOT A-4.90. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1959 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1967) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1967 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1985 MARK NOT FOUND. <p> <h2>STATION RECOVERY (1990) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1990 (TM) RECOVERED IN GOOD CONDITION. JT1396 A 631 http://www.geocaching.com/mark/details.asp?PID=JT1396 A 631 Geocache Geocache A 631 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>A 631</h1> <b> PID </b> JT1396 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ARCHED ROCK (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 29 15. (N) 123 11 03. (W) SCALED <br> <b> NAVD 88 </b> 142.97 (+/-2cm) 469.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.85 (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> 591,790. </td><td> 1,896,690. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 142.102 (m) 466.21 (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: 10SDH839599(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: A 631 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>1972 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 4.8 MI SE FROM FORT ROSS. 4.8 MILES SOUTHEAST ALONG STATE HIGHWAY 1 FROM FORT ROSS, SONOMA COUNTY, ON THE OUTSIDE OF A LONG CURVE, 35 FEET SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, IN THE TOP OF A LARGE BOULDER ABOUT 3 FEET HIGH, NEAR A WHITE WOODEN WITNESS POST, AND ABOUT 3 FEET LOWER THAN THE HIGHWAY. A STANDARD DISK, STAMPED A 631 1942. NOTE-- THE HIGHWAY HAS BEEN WIDENED AND LEVELED IN THE AREA INDICATED FOR A PARKING AREA. IT IS FELT THAT THE MARK HAS BEEN BURIED. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1972 MARK NOT FOUND. JT1267 ADDED POINT http://www.geocaching.com/mark/details.asp?PID=JT1267 ADDED POINT Geocache Geocache ADDED POINT USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ADDED POINT</h1> <b> PID </b> JT1267 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> STEWARTS POINT (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 41 53. (N) 123 25 39. (W) SCALED <br> <b> NAVD 88 </b> 108.32 (+/-2cm) 355.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.83 (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> 615,470. </td><td> 1,875,830. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 107.46 (m) 352.6 (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: 10SDH628833(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: ADDED POINT 1942 <br>MARK LOGO: USGS <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>USGS</td></tr><tr><td>1961 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1961 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1975 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1989 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1942 LOCATED ABOUT 3.0 MI. N OF STEWARTS POINT AND ABOUT 0.25 MI. DIRECT, SE OF INTERSECTION OF STATE HIGHWAY 1 AND ANNAPOLIS ROAD. <p>TO REACH STATION FROM STEWARTS POINT, PROCEED N ALONG STATE HIGHWAY 1 FOR 3.0 MI. TO JUNCTION OF ANNAPOLIS ROAD. TURN RIGHT ONTO ANNAPOLIS ROAD, GO 0.3 MI. TO E SIDE OF LOW RIDGE, TURN RIGHT (S) ONTO DIM ROAD (WHICH FOLLOWS ALONG TOP OF BROAD GRASS RIDGE) GO ABOUT 0.25 MI. STATION IS ABOUT 100 YD. W OF CREST OF THE RIDGE, ON A GRASSY SLOPE. <p>STATION MARK IS A STANDARD TABLET, STAMPED---ADDED POINT 1942---, SET IN TOP OF A CONCRETE POST. <p>NO REFERENCE MARKS. <p>SIGNAL--WHITE CROSS TARGETS AND RED-AND-WHITE FLUTTER FLAGS ON A 15-FT. POLE CENTERED OVER STATION MARK. <p> <h2>STATION RECOVERY (1961) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 (IRR) THE STATION MARK WAS RECOVERED IN GOOD CONDITION AND THE 1942 DESCRIPTION IS ADEQUATE WITH THE FOLLOWING ADDITIONS-- <p>THE STATION MARK IS ABOUT 270 YARDS SOUTHEAST OF THE ANNAPOLIS ROAD, 135 YARDS SOUTHWEST OF THE CREST OF THE RIDGE, 1.7 FEET SOUTH OF A WOODEN WITNESS POST, AND PROJECTS 0.7 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1961) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 5.6 MI W FROM ANNAPOLIS. 5.6 MILES WEST ALONG A PAVED ROAD FROM THE POST OFFICE AT ANNAPOLIS, 0.3 MILE NORTHEAST OF THE JUNCTION OF STATE HIGHWAY 1, IN A GRASSY FIELD AT THE TOP OF THE FIRST GRADE FROM THE JUNCTION, ABOUT 270 YARDS SOUTHEAST OF THE CENTERLINE OF THE ROAD, 135 YARDS SOUTHWEST OF THE CREST OF THE RIDGE, 1.7 FEET SOUTH OF A WOODEN WITNESS POST, AND SET IN THE TOP OF A CONCRETE POST THAT PROJECTS 0.7 FOOT ABOVE THE GROUND. NOTE-- THIS MARK WAS PREVIOUSLY DESIGNATED TRI. STA. (USGS) <p> <h2>STATION RECOVERY (1975) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1975 (LK) 5.7 MI W ALONG ANNAPOLIS ROAD FROM THE P.O. AT ANNAPOLIS OR 0.5 MI NE OF THE JCT WITH STATE HWY 1. 0.2 MI SE OF A T-RD JCT, 276 FT SE OF ANOTHER ROAD JCT, 33 FT SW OF THE CENTERLINE OF THE ROAD. A USGS TRIANGULATION-STATION DISK, STAMPED---ADDED POINT 1942---, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 4 INCHES ABOVE GROUND. <p> <h2>STATION RECOVERY (1989) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1989 (TM) RECOVERED IN GOOD CONDITION. JT2434 ADOBE http://www.geocaching.com/mark/details.asp?PID=JT2434 ADOBE Geocache Geocache ADOBE CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ADOBE</h1> <b> PID </b> JT2434 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GLEN ELLEN (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 15 33.71143(N) 122 34 14.12117(W) ADJUSTED <br> <b> NAVD 88 </b> 79.9 (meters) 262. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,699,600.420 (meters) COMP <br> <b> Y </b> -4,226,025.287 (meters) COMP <br> <b> Z </b> 3,928,119.886 (meters) COMP <br> <b> LAPLACE CORR</b> 1.28 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 48.36 (meters) (03/08/94) GPS OBS <br> <b> GEOID HEIGHT</b> -31.54 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> ELLP ORDER </b> FOURTH CLASS I <br> <p>The horizontal coordinates were established by 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 determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 565,950.875 1</td><td>950,060.216</td><td> MT </td><td>1.00001759</td><td> -0 ' 21 35.1"</td></tr><tr><td>SPC CA 2 </td><td>1,856,790.50 6</td><td>397,822.56 </td><td> sFT </td><td>1.00001759</td><td> -0 ' 21 35.1"</td></tr><tr><td>SPC CA 3 </td><td> 697,265.183 1</td><td>818,797.942</td><td> MT </td><td>0.99996845</td><td> -1 ' 16 03.7"</td></tr><tr><td>SPC CA 3 </td><td>2,287,610.85 5</td><td>967,172.91 </td><td> sFT </td><td>0.99996845</td><td> -1 ' 16 03.7"</td></tr><tr><td>UTM 10 </td><td>4,234,679.838 </td><td>537,568.034</td><td> MT </td><td>0.99961738</td><td> +0 ' 15 57.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99999241 x 1.00001759 = 1.00001000 <br> <b>SPC CA 3 </b> 0.99999241 x 0.99996845 = 0.99996086 <br> <b>UTM 10 </b> 0.99999241 x 0.99961738 = 0.99960979 <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> LAKE </td><td>153&deg; 03' 28.1"</td></tr><tr><td>SPC CA 3 </td><td> LAKE </td><td>153&deg; 57' 56.7"</td></tr><tr><td>UTM 10 </td><td> LAKE </td><td>152&deg; 25' 55.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB4027</td><td>ADOBE RM 2 </td><td> 15.462 METERS</td><td>033&deg; 52' </td></tr><tr><td>JT2490</td><td>LAKE </td><td>APPROX. 4.3 KM</td><td>152&deg; 41' 53.0"</td></tr><tr><td>DB4026</td><td>ADOBE RM 1 </td><td> 12.005 METERS</td><td>295&deg; 45' </td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 15 33.70389(N) 122 34 14.11912(W) AD(1984.00) 1 <br> <b> NAD 27 </b> 38 15 34.00600(N) 122 34 10.17700(W) AD( ) 1 <br> NGVD 29 (03/14/94) 79.1 (m) 260. (f) GPS OBS <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH3756834680(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: ADOBE 1930 <br>MARK LOGO: CGS <br>MAGNETIC: O = OTHER; SEE DESCRIPTION <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - May 22, 1992 <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>1930 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1938 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1942 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1959 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1960 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1968 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>19920522</td><td>GOOD </td><td>NOS</td></tr><tr><td>19920522</td><td>GOOD </td><td>NOS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1930 (GLB) ABOUT 4 MILES NORTHEAST OF PETALUMA, ON HIGHEST PART OF KNOLL. TO REACH FROM PETALUMA, GO NORTHEAST 4 MILES TO THE OLD ADOBE FORT, GO EAST 0.8 MILE FROM FORT, AND TURN LEFT THROUGH GATE ONTO ROAD LEADING TO FARMHOUSE ABOUT ONE-FOURTH MILE FROM HIGHWAY, AND GO THROUGH FARMYARD TO SMALL HILL ABOUT ONE-HALF MILE NORTH OF HOUSE AND ABOUT 200 METERS (656 FEET) NORTH OF GROUP OF SMALL CHICKEN HOUSES. SURFACE AND UNDERGROUND MARKS ARE STANDARD STATION DISKS IN CONCRETE, NOTES 1A AND 7A. REFERENCE MARKS ARE STANDARD REFERENCE DISKS IN CONCRETE, NOTE 11A. NO. 1 IS 12.008 METERS (39.40 FEET) FROM STATION IN AZIMUTH 115 DEG 44 MIN. NO. 2 IS 15.455 METERS (50.71 FEET) FROM STATION IN AZIMUTH 213 DEG 51 MIN. <p> <h2>STATION RECOVERY (1930) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1930 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1938) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1938 (ACT) ABOUT 4 MILES NORTHEAST OF PETALUMA, ON THE HIGHEST PART OF KNOLL, ABOUT 1/2 MILE EAST OF THE GEORGE WOODLEY RANCH. STATION MARK PROJECTS ABOUT 3 INCHES FROM GROUND. ALL MARKS ARE STAMPED ADOBE 1929. <p>TO REACH FROM CITY LIMITS IN PETALUMA ON THE NAPA HIGHWAY, GO 1.8 MILES TO PAVED ROAD ON LEFT, TURN LEFT ON THIS ROAD FOR 1.7 MILES TO THE GEORGE WOODLEY FARM ON LEFT. TURN LEFT INTO DRIVEWAY AND CONTINUE BY RANCH HOUSE AND THROUGH YARD ABOUT 1/2 MILE UP HILL TO THE STATION. <p>SURFACE AND REFERENCE MARKS ARE STANDARD BRONZE DISKS SET IN CONCRETE AS DESCRIBED IN NOTES 1A AND 11A RESPECTIVELY. <p>REFERENCE MARK NO. 1 IS WEST-NORTHWEST OF AND ABOUT 6 INCHES LOWER THAN STATION, PROJECTING ABOUT 3 INCHES. <p>REFERENCE MARK NO. 2 IS NORTH-NORTHEAST OF AND ABOUT 1 FOOT LOWER THAN STATION, PROJECTING ABOUT 3 INCHES. <p> <h2>STATION RECOVERY (1942) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1942 (LDG) REFERENCE MARKS AND STATION MARK ARE ALL IN GOOD CONDITION. STATION IS ABOUT 4 MILES NE OF PETALUMA, ON HIGHEST PART OF KNOLL. <p>STATION MARK IS STAMPED ADOBE 1929. <p>REFERENCE MARKS ARE STAMPED ADOBE NO. 1 1929 AND ADOBE NO. 2 1929, RESPECTIVELY. <p>IN THE LIST OF G.P.S STATION IS CALLED ADOBE 1930. <p>DISTANCES TO REFERENCE MARKS WERE MEASURED AS FOLLOWS-- <p>REFERENCE MARK NO. 1 - 12.003 METERS. <p>REFERENCE MARK NO. 2 - 15.460 METERS. <p>TO REACH FROM CORNER OF COPELAND AND E. WASHINGTON STREETS IN PETALUMA, GO 2.7 MILES NE ON E. WASHINGTON STREET TO OLD ADOBE ROAD. TURN RIGHT ON OLD ADOBE ROAD AND CONTINUE FOR 2.0 MILES PAST OLD ADOBE FORT TO A T-INTERSECTION. TURN LEFT (STILL ON OLD ADOBE ROAD), AND PROCEED FOR 0.3 MILE (JUST BARELY AROUND A CURVE TO THE RIGHT), TURN LEFT ONTO A SECOND-CLASS ROAD LEADING TO A DAIRY AND FOLLOW THIS ROAD ABOUT 0.2 MILE TO ITS END. STATION IS ON TOP OF KNOLL ABOUT 0.25 MILE NE OF FARMYARD. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (JCM) THE STATION MARK, REFERENCE MARK NUMBER 1 AND REFERENCE MARK NUMBER 2 WERE RECOVERED IN GOOD CONDITION AND THE 1930, 1938, AND 1942 DESCRIPTIONS ARE ADEQUATE WITH THE FOLLOWING ADDITIONS-- <p>1. THE STATION MARK WAS RESTAMPED ADOBE 1930, REFERENCE MARK NUMBER 1 WAS RESTAMPED ADOBE NO 1 1930 AND REFERENCE MARK NUMBER 2 WAS RESTAMPED ADOBE NO 2 1930 ON THIS DATE. <p>2. THE STATION MARK IS 2.5 FEET SOUTHEAST OF A WOODEN WITNESS POST. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (OSR) THE STATION WAS RECOVERED AS DESCRIBED BY J.C.M. 1959. <p> <h2>STATION RECOVERY (1968) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1968 (RMS) THE STATION MARK AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION AND THE PREVIOUS DESCRIPTIONS ARE ADEQUATE. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY NATIONAL OCEAN SERVICE 1992 THE STATION IS LOCATED ABOUT 14.5 KM (9.00 MI) WEST-NORTHWEST OF LAKEVILLE, 9.7 KM (6.00 MI) EAST-NORTHEAST OF PETALUMA AND 9.7 KM (6.00 MI) SOUTHWEST OF SONOMA. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAY 116 AND OLD ADOBE ROAD NORTHEAST OF LAKEVILLE), GO WESTERLY ON OLD ADOBE ROAD FOR 4.7 KM (2.90 MI) TO A GRAVEL DRIVEWAY ON RIGHTAND A SIGN (CALIFORNIA COOPERATIVE CREAMERY, FRANK AND MICHELLE REIBLI), TURN RIGHT AND AND PROCEED ON THE GRAVEL DRIVWAY FOR 0.3 KM (0.20 MI) PASSING THROUGH A BARNYARD TO A GATE (JUST PASSED THE BARN), TURN RIGHT AND PASS THROUGH GATE ONTO A DIRT FARM LANE, AND GO NORTHERLY FOR 33 M (108.3 FT) TO ANOTHER GATE, PASS THROUGH GATE AND GO 0.2 KM (0.10 MI) TO A GATE AND END OF TRUCK TRAVEL. CROSS GATE AND PACK NORTHEASTERLY FOR 76.2 M (250.0 FT) TO THE TOP OF A SMALL GRASSY KNOLL AND THE STATION. THE STATION IS 12.0 M (39.4 FT) SOUTH-SOUTHWEST OF REFERENCE MARK 1. CLOSE ALL GATES UPON ENTERING AND LEAVING THE PROPERTY. THE PROPERTY IS LEASED AND ACCESS TO THE STATION MUST BE OBTAINED FROM FRANK AND MICHELLE RIEBLI, 3655 OLD ADOBE ROAD, PETALUMA, SONOMA, CA PHONE (707) 763-2089. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY NATIONAL OCEAN SERVICE 1992 THE STATION IS LOCATED ABOUT 14.5 KM (9.00 MI) WEST-NORTHWEST OF LAKEVILLE, 9.7 KM (6.00 MI) EAST-NORTHEAST OF PETALUMA AND 9.7 KM (6.00 MI) SOUTHWEST OF SONOMA. TO REACH THE STATION FROM THE JUNCTION OF STATE HIGHWAY 116 AND OLD ADOBE ROAD NORTHEAST OF LAKEVILLE), GO WESTERLY ON OLD ADOBE ROAD FOR 4.7 KM (2.90 MI) TO A GRAVEL DRIVEWAY ON RIGHTAND A SIGN (CALIFORNIA COOPERATIVE CREAMERY, FRANK AND MICHELLE REIBLI), TURN RIGHT AND AND PROCEED ON THE GRAVEL DRIVWAY FOR 0.3 KM (0.20 MI) PASSING THROUGH A BARNYARD TO A GATE (JUST PASSED THE BARN), TURN RIGHT AND PASS THROUGH GATE ONTO A DIRT FARM LANE, AND GO NORTHERLY FOR 33 M (108.3 FT) TO ANOTHER GATE, PASS THROUGH GATE AND GO 0.2 KM (0.10 MI) TO A GATE AND END OF TRUCK TRAVEL. CROSS GATE AND PACK NORTHEASTERLY FOR 76.2 M (250.0 FT) TO THE TOP OF A SMALL GRASSY KNOLL AND THE STATION. THE STATION IS 12.0 M (39.4 FT) SOUTH-SOUTHWEST OF REFERENCE MARK 1. CLOSE ALL GATES UPON ENTERING AND LEAVING THE PROPERTY. THE PROPERTY IS LEASED AND ACCESS TO THE STATION MUST BE OBTAINED FROM FRANK AND MICHELLE RIEBLI, 3655 OLD ADOBE ROAD, PETALUMA, SONOMA, CA PHONE (707) 763-2089. JT2744 ALICE http://www.geocaching.com/mark/details.asp?PID=JT2744 ALICE Geocache Geocache ALICE CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ALICE</h1> <b> PID </b> JT2744 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> WARM SPRINGS DAM (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 44 53.69423(N) 123 03 12.12022(W) ADJUSTED <br> <b> NAVD 88 </b> 578.0 (meters) 1896. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.53 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.70 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 620,592.147 1</td><td>908,436.449</td><td> MT </td><td>0.99993181</td><td> -0 ' 39 50.8"</td></tr><tr><td>SPC CA 2 </td><td>2,036,059.40 6</td><td>261,261.92 </td><td> sFT </td><td>0.99993181</td><td> -0 ' 39 50.8"</td></tr><tr><td>UTM 10 </td><td>4,288,841.393 </td><td>495,362.550</td><td> MT </td><td>0.99960026</td><td> -0 ' 02 00.2"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99991414 x 0.99993181 = 0.99984595 <br> <b>UTM 10 </b> 0.99991414 x 0.99960026 = 0.99951443 <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> ALICE AZ MK 2 </td><td>071&deg; 22' 08.0"</td></tr><tr><td>UTM 10 </td><td> ALICE AZ MK 2 </td><td>070&deg; 44' 17.4"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB4036</td><td>ALICE RM 3 </td><td> 22.003 METERS</td><td>033&deg; 25' </td></tr><tr><td>DB4034</td><td>ALICE RM 1 </td><td> 22.169 METERS</td><td>040&deg; 38' </td></tr><tr><td>DB4033</td><td>ALICE AZ MK 2 </td><td> </td><td>070&deg; 42' 17.2"</td></tr><tr><td>DB4035</td><td>ALICE RM 2 </td><td> 4.014 METERS</td><td>171&deg; 52' </td></tr><tr><td>DB4032</td><td>ALICE AZ MK </td><td> </td><td>172&deg; 14' 20.7"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 44 53.68929(N) 123 03 12.11119(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 44 54.01100(N) 123 03 08.10400(W) AD( ) 2 <br> NGVD 29 (07/19/86) 577.1 (m) 1893. (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: 10SDH9536388841(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>1949 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1960 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1970 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (WRH) THE STATION IS LOCATED ON THE HIGHEST POINT OF A BARE TOPPED HILL THAT BREAKS OFF SHARP TO THE SOUTHEAST, ABOUT 16-1/2 MILES EAST OF ANNAPOLIS, ABOUT 8 MILES NORTHWEST OF GEYSERVILLE, ABOUT 4-1/2 MILES SOUTHWEST OF CLOVERDALE AND ABOUT 1-1/2 MILES NORTH NORTHWEST OF THE OLD HIGGS RANCH BUILDINGS. <p>TO REACH, FROM THE BANK OF AMERICA IN HEALDSBURG, GO NORTH, ON U.S. HIGHWAY 101, FOR 1.0 MILE TO SIDE ROAD LEFT. TURN LEFT, AS PER SIGN SKAGGS SPRING 13-STEWART POINT 45, AND GO WEST 8.4 MILES TO FORKS. TAKE LEFT FORK, AS PER SIGN STEWART POINT 36, AND GO WEST 1.3 MILES TO FORKS AND STEEL BRIDGE. TAKE RIGHT FORK, AND GO WEST 2.6 MILE TO STEEL BRIDGE. CROSS STEEL BRIDGE, AND GO SOUTHWESTERLY 0.2 MILE TO WOODEN GATE. PASS THROUGH WOODEN GATE, AND GO WEST 0.5 MILE TO THE AZIMUTH MARK AND END OF TRUCK TRAVEL. THENCE PACK, NORTHERLY ALONG THE EAST SIDE OF THE OLD DESERTED RANCH BUILDINGS TO DRY CREEK. THENCE ALONG THE NORTH SIDE OF DRY CREEK FOR 300 YARDS TO SMALL OPENING. THENCE UP STEEP RIDGE, AND GO NORTHERLY TO THE HIGHEST POINT OF HILL AND THE STATION. PACKING TIME 3 HOURS. <p>THE STATION MARK IS A U.S. GEOLOGICAL BENCH MARK, STAMPED ALICE 1932, SET INTO A DRILL HOLE IN A BOULDER 8 INCHES IN DIAMETER ABOUT FLUSH WITH THE GROUND. <p>REFERENCE MARK NUMBER 1 IS A STANDARD DISK, STAMPED ALICE USGS NO 1 1949, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK WHICH PROJECTS ABOUT 12 INCHES AND IS ABOUT 6 FEET LOWER THAN THE STATION. <p>REFERENCE MARK NUMBER 2 IS A STANDARD DISK, STAMPED ALICE USGS NO 2 1949, SET INTO A DRILL HOLE IN OUTCROPPING BEDROCK ABOUT FLUSH WITH THE GROUND AND IS ABOUT 12 INCHES LOWER THAN THE STATION. <p>THE AZIMUTH MARK IS A STANDARD DISK, STAMPED ALICE USGS 1949, SET INTO A DRILL HOLE IN A BOULDER 2-1/2 FEET IN DIAMETER WHICH PROJECTS ABOUT 18 INCHES. IT IS LOCATED ALONG THE DRY CREEK ROAD, ABOUT 60 FEET SOUTH OF THE OLD DESERTED RANCH HOUSE, ABOUT 20 FEET NORTH OF A LARGE OAK TREE AND 20 FEET EAST OF THE CENTERLINE OF THE GRAVELED ROAD. <p>HEIGHT OF LIGHT ABOVE STATION MARK 1.44 METERS. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (IRR) THE STATION MARK, AZIMUTH MARK, AND REFERENCE MARKS WERE RECOVERED IN GOOD CONDITION AND THE 1949 DESCRIPTION IS ADEQUATE WITH THE FOLLOWING ADDITIONS-- <p>1. TO REACH THE STATION FROM THE CITY HALL IN CLOVERDALE GO SOUTH ON U.S. HIGHWAY 101 FOR 2.7 MILES TO A SIDE ROAD ON THE RIGHT. TURN RIGHT ONTO HIATT ROAD AND GO WEST 1.3 MILES TO A FORK. TAKE THE LEFT FORK AS PER SIGN PHILLIP A. KENNEDY AND GO WEST 0.4 MILE TO SOME RANCH BUILDINGS. (PERMISSION TO ENTER MUST BE OBTAINED HERE.) TURN RIGHT AND GO NORTH BETWEEN A BARN AND GARAGE AND OVER A SMALL BRIDGE, THENCE TURN LEFT AND GO WEST 0.3 MILE TO A GATE. PASS THROUGH THE GATE AND GO WEST 0.05 MILE TO A FORK. TAKE THE LEFT FORK AND GO WEST 0.8 MILE TO A FORK JUST WEST OF A CABIN CALLED BUCK INN. USING A TRUCK WITH 4-WHEEL DRIVE, TAKE THE RIGHT FORK AND GO NORTHWEST, UP HILL, 0.5 MILE TO A T-ROAD ON THE TOP OF A RIDGE. TURN LEFT AND GO SOUTHWEST AND WEST ALONG A FIRE BREAK ROAD ON THE TOP OF THE RIDGE ABOUT 1-1/2 MILES TO THE HIGHEST POINT AND THE STATION. <p>2. IN WET WEATHER THE STATION CAN BEST BE REACHED BY PACKING IN FROM KELLEY ROAD TO THE NORTH AS FOLLOWS--TO REACH THE STATION FROM THE CITY HALL IN CLOVERDALE GO SOUTH ON U.S. HIGHWAY 101 FOR 2.0 MILES TO A SIDE ROAD ON THE RIGHT. TURN RIGHT ONTO KELLEY ROAD AND GO WEST 3.7 MILES TO THE TOP OF THE GRADE. PACK SOUTH UP A RIDGE AND ALONG A FIRE BREAK ROAD ABOUT 1-1/2 HOURS TO THE HIGHEST POINT AND THE STATION. <p> <h2>STATION RECOVERY (1970) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 (LS) THE STATION MARK WAS FOUND SLIGHTLY LOOSE IN THE GROUND SO IT WAS REINFORCED WITH CONCRETE ON THIS DATE. REFERENCE MARK 2 WAS RECOVERED IN GOOD CONDITION. REFERENCE MARK 1 WAS FOUND TO HAVE BEEN BROKEN OUT OF THE ROCK IT WAS IN AND THE DISK WAS MISSING SO REFERENCE MARK 3 WAS SET ON THIS DATE. THE AZIMUTH MARK WAS FOUND OBSTRUCTED BY TREE LIMBS NEAR THE MARKS LOCATION AND IT WAS IN THE WAY OF DAM CONSTRUCTION AND WOULD BE COVERED WITH ABOUT 60 FEET OF WATER SO A NEW AZIMUTH MARK WAS SET ON THIS DATE. THE PREVIOUS DESCRIPTIONS ARE ADEQUATE WITH THE FOLLOWING ADDITIONS-- <p>THE STATION MARK IS 2.7 FEET NORTHEAST OF A WOODEN WITNESS POST. <p>REFERENCE MARK 3 IS A C AND GS REFERENCE MARK DISK STAMPED ALICE USGS 1949 NO 3 1970 SET IN A DRILL HOLE IN OUTCROPPING BEDROCK PROJECTING ABOUT 1 FOOT ABOVE THE GROUND AND IS ABOUT 10 FEET LOWER THAN THE STATION MARK. <p>THE AZIMUTH MARK SET ON THIS DATE IS LOCATED ON AN OUTCROPPING OF DARK CONGLOMERATE BEDROCK WHICH PROJECTS FROM THE SOUTH SLOPE OF THE SECOND HILL NORTHEAST ALONG THE RIDGE FROM THE STATION SITE AND IS A C AND GS AZIMUTH MARK DISK STAMPED ALICE USGS 1949 1970 SET IN CONCRETE IN A DEPRESSION IN THE BEDROCK AND IS ABOUT 100 FEET SOUTH OF AND ABOUT 50 FEET LOWER THAN THE HIGHEST POINT OF THE HILL AND PROJECTS ABOUT 1 FOOT ABOVE THE GROUND. <p>TO REACH THE AZIMUTH MARK FROM THE STATION GO NORTHEAST ALONG THE RIDGE 0.2 MILE TO THE TOP OF THE SECOND HILL NORTHEAST OF THE STATION AND THE MARK DOWN THE SLOPE TO THE SOUTH. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--4-1/2 MILES SOUTHWEST OF CLOVERDALE. JT1418 AMOS http://www.geocaching.com/mark/details.asp?PID=JT1418 AMOS Geocache Geocache AMOS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>AMOS</h1> <b> PID </b> JT1418 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 21 52.68968(N) 123 04 15.51745(W) ADJUSTED <br> <b> NAVD 88 </b> 19.85 (+/-2cm) 65.1 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 8.16 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -31.99 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 578,031.081 1</td><td>906,403.940</td><td> MT </td><td>0.99999305</td><td> -0 ' 40 30.8"</td></tr><tr><td>SPC CA 2 </td><td>1,896,423.64 6</td><td>254,593.59 </td><td> sFT </td><td>0.99999305</td><td> -0 ' 40 30.8"</td></tr><tr><td>SPC CA 3 </td><td> 710,031.833 1</td><td>775,338.762</td><td> MT </td><td>0.99998644</td><td> -1 ' 34 26.5"</td></tr><tr><td>SPC CA 3 </td><td>2,329,496.11 5</td><td>824,590.59 </td><td> sFT </td><td>0.99998644</td><td> -1 ' 34 26.5"</td></tr><tr><td>UTM 10 </td><td>4,246,275.787 </td><td>493,799.384</td><td> MT </td><td>0.99960047</td><td> -0 ' 02 38.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000190 x 0.99999305 = 0.99999495 <br> <b>SPC CA 3 </b> 1.00000190 x 0.99998644 = 0.99998834 <br> <b>UTM 10 </b> 1.00000190 x 0.99960047 = 0.99960237 <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> ROCKY POINT 2 </td><td>328&deg; 35' 44.8"</td></tr><tr><td>SPC CA 3 </td><td> ROCKY POINT 2 </td><td>329&deg; 29' 40.5"</td></tr><tr><td>UTM 10 </td><td> ROCKY POINT 2 </td><td>327&deg; 57' 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>DB4042</td><td>AMOS RM 3 </td><td> 6.232 METERS</td><td>120&deg; 22' </td></tr><tr><td>JT2805</td><td>SALMON CREEK BLACK TANK </td><td>APPROX. 1.8 KM</td><td>158&deg; 05' 50.8"</td></tr><tr><td>JT2795</td><td>ROCKY POINT 2 </td><td>APPROX. 3.9 KM</td><td>327&deg; 55' 14.0"</td></tr><tr><td>DB4040</td><td>AMOS RM 1 </td><td> </td><td>344&deg; 02' </td></tr><tr><td>DB4041</td><td>AMOS RM 2 </td><td> 9.560 METERS</td><td>357&deg; 51' </td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 21 52.68054(N) 123 04 15.52152(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 38 21 52.99000(N) 123 04 11.50100(W) AD( ) 3 <br> NGVD 29 (??/??/92) 18.994 (m) 62.32 (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: 10SDH9379946276(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: AMOS 1930 <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>1930 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1937 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1956 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1959 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1971 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1930 (LCJ) STATION IS APPROXIMATELY ONE MILE N OF SALMON CREEK ON A LOW POINT. AT THIS POINT A WAGON ROAD LEADS OFF TO E OF MAIN ROAD TOWARDS BODEGA HILL. THE STATION MARK IS ABOUT 3 METERS E OF SW CORNER OF POINT. THE REFERENCE MARK N BY E FROM STATION IS 2 METERS S AND 3 METERS E OF BLUFF LINE. <p>STATION AND REFERENCE MARKS ARE STANDARD BRONZE DISKS SET IN CONCRETE IN OUTCROPPING BEDROCK, AS DESCRIBED IN NOTE 3. STATION MARK STAMPED AMOS 1930. REFERENCE MARK NOT STAMPED. <p> <h2>STATION RECOVERY (1937) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1937 (FHH) STATION IS ONE MILE N OF MOUTH OF SALMON CREEK ON A LOW GRASS-COVERED ROCKY POINT. AT THIS POINT A PRIVATE COMMUNITY ROAD LEADS OFF TO THE E OF MAIN ROAD. THE MARK IS 3 METERS E OF SW CORNER OF POINT. THE REFERENCE MARK IS 2 METES S AND 3 METERS E OF BLUFF LINE. REFERENCE MARK NOT STAMPED. BOTH MARKS ARE IN ROCK EXTENDING ABOVE SURFACE OF GROUND. <p> <h2>STATION RECOVERY (1956) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1956 (FN) STATION IS ABOUT 1 MI. N OF SALMON CREEK, AND ABOUT 200 FT. W OF STATE HIGHWAY 1 (COLEMAN VALLEY ROAD JUNCTION). IT IS A STANDARD DISK, STAMPED AMOS 1930 CEMENTED IN A DRILL HOLE IN ROCK OUTCROP 2 M. N OF EDGE OF BLUFF. <p>REFERENCE MARK WAS DESTROYED. DRILL HOLE WAS FOUND IN ROCK 9.66 M. FROM STATION. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (JCM) THE STATION MARK WAS RECOVERED IN GOOD CONDITION BUT THE ROCK IN WHICH THE REFERENCE MARK HAD BEEN SET WAS FOUND BROKEN AND THE DISK GONE. TWO NEW REFERENCE MARKS WERE SET ON THIS DATE. A COMPLETE DESCRIPTION FOLLOWS-- <p>THE STATION IS LOCATED AIRLINE ABOUT 2-1/2 MILES NORTH-NORTHWEST OF THE TOWN OF BODEGA BAY, 1 MILE NORTH-NORTHWEST OF THE VILLAGE OF SALMON CREEK, AND ON A LOW POINT OF LAND OVERLOOKING THE PACIFIC OCEAN, ON THE NORTH SIDE OF THE MOUTH OF A SMALL CREEK, AND ON THE SOUTHWEST SIDE OF THE INTERSECTION OF THE COLEMAN VALLEY ROAD WITH STATE HIGHWAY 1. <p>TO REACH THE STATION FROM THE POST OFFICE AT BODEGA BAY GO NORTHWEST ON STATE HIGHWAY 1 FOR 3.0 MILES TO THE COLEMAN VALLEY ROAD ON THE RIGHT AND THE STATION ON THE LEFT. <p>THE STATION MARK IS A STANDARD DISK STAMPED AMOS 1930 CEMENTED IN A DRILL HOLE IN THE TOP OF A BOULDER THAT PROJECTS 16 INCHES ABOVE THE GROUND. IT IS 60 YARDS SOUTHWEST OF THE STATE HIGHWAY 1-COLEMAN VALLEY ROAD INTERSECTION, 55 YARDS WEST OF THE CENTERLINE OF THE HIGHWAY, 30 FEET SOUTH-SOUTHEAST OF AND ABOUT 1-1/2 FEET LOWER THAN THE HIGHEST PART OF THE POINT, 14.0 FEET WEST OF A WOODEN WITNESS POST, AND 10 FEET EAST OF THE WEST EDGE OF THE BLUFF. <p>REFERENCE MARK NUMBER 2 IS A STANDARD DISK STAMPED AMOS NO 2 1930 CEMENTED IN A DRILL HOLE IN THE TOP OF A BOULDER THAT PROJECTS 6 INCHES ABOVE THE GROUND AND IS 18 INCHES LOWER THAN THE STATION. <p>REFERENCE MARK NUMBER 3 IS A STANDARD DISK STAMPED AMOS NO 3 1930 CEMENTED IN A DRILL HOLE IN THE TOP OF A BOULDER THAT PROJECTS 8 INCHES ABOVE THE GROUND AND IS ABOUT 4 FEET LOWER THAN THE STATION. <p>HEIGHT OF TRIPOD--1 METER. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1959 3 MI NW FROM BODEGA BAY. 3.0 MILES NORTHWEST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT BODEGA BAY, ON A POINT OF LAND ON THE NORTH SIDE OF A SMALL CREEK, ON THE SHORE LINE OF THE PACIFIC OCEAN, 60 YARDS SW OF THE INTERSECTION OF THE COLEMAN VALLEY RD. WITH STATE HWY. 1, 55 YARDS W OF THE CENTERLINE OF THE HWY, 30 FEET SSE OF AND ABOUT 1 1/2 FEET LOWER THAN THE HIGHEST PART OF THE POINT, 14.0 FEET W OF A WOODEN WITNESS POST, 10 FT. E. OF THE W. EDGE OF THE BLUFF, A STANDARD TRIANGULATION STATION DISK CEMENTED IN A DRILL HOLE IN THE TOP OF A BOULDER THAT PROJECTS 1.4 FT. ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1971) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 (DRT) THE STATION MARK, REFERENCE MARK NO. 2, AND REFERENCE MARK NO. 3, WERE RECOVERED AS DESCRIBED IN GOOD CONDITION. THE STATION IS NOT SUITABLE FOR A HI-FIX SITE. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--3.0 MILES N.W. OF BODEGA BAY. JT1416 ANDY http://www.geocaching.com/mark/details.asp?PID=JT1416 ANDY Geocache Geocache ANDY CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ANDY</h1> <b> PID </b> JT1416 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> DUNCANS MILLS (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 22 40.69890(N) 123 04 52.52106(W) ADJUSTED <br> <b> NAVD 88 </b> 15.99 (+/-2cm) 52.5 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 8.02 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -31.98 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 579,521.932 1</td><td>905,523.300</td><td> MT </td><td>0.99999018</td><td> -0 ' 40 54.1"</td></tr><tr><td>SPC CA 2 </td><td>1,901,314.87 6</td><td>251,704.36 </td><td> sFT </td><td>0.99999018</td><td> -0 ' 40 54.1"</td></tr><tr><td>SPC CA 3 </td><td> 711,536.307 1</td><td>774,481.617</td><td> MT </td><td>0.99998896</td><td> -1 ' 34 49.2"</td></tr><tr><td>SPC CA 3 </td><td>2,334,432.03 5</td><td>821,778.44 </td><td> sFT </td><td>0.99998896</td><td> -1 ' 34 49.2"</td></tr><tr><td>UTM 10 </td><td>4,247,756.267 </td><td>492,902.724</td><td> MT </td><td>0.99960062</td><td> -0 ' 03 01.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000251 x 0.99999018 = 0.99999269 <br> <b>SPC CA 3 </b> 1.00000251 x 0.99998896 = 0.99999147 <br> <b>UTM 10 </b> 1.00000251 x 0.99960062 = 0.99960313 <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> ROCKY POINT 2 </td><td>327&deg; 55' 39.2"</td></tr><tr><td>SPC CA 3 </td><td> ROCKY POINT 2 </td><td>328&deg; 49' 34.3"</td></tr><tr><td>UTM 10 </td><td> ROCKY POINT 2 </td><td>327&deg; 17' 46.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JT2798</td><td>WHITE BARN GABLE </td><td>APPROX. 0.7 KM</td><td>030&deg; 38' 26.1"</td></tr><tr><td>JT1415</td><td>ANDY RM 1 </td><td> </td><td>081&deg; 18' </td></tr><tr><td>DB4043</td><td>ANDY RM 2 </td><td> 6.000 METERS</td><td>094&deg; 56' </td></tr><tr><td>JT2805</td><td>SALMON CREEK BLACK TANK </td><td>APPROX. 3.5 KM</td><td>153&deg; 31' 09.5"</td></tr><tr><td>DB4044</td><td>ANDY RM 3 </td><td> 26.228 METERS</td><td>209&deg; 29' </td></tr><tr><td>JT2795</td><td>ROCKY POINT 2 </td><td>APPROX. 2.2 KM</td><td>327&deg; 14' 45.1"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 22 40.68960(N) 123 04 52.52502(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 38 22 40.99700(N) 123 04 48.50400(W) AD( ) 3 <br> NGVD 29 (??/??/92) 15.129 (m) 49.64 (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: 10SDH9290347756(NAD 83) <br>MARKER: DS = TRIANGULATION STATION DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: ANDY 1930 <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>1930 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1937 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1956 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1959 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1971 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr><tr><td>1972 </td><td>SEE DESCRIPTION </td><td>USGS</td></tr><tr><td>1973 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr><tr><td>20020403</td><td>MARK NOT FOUND </td><td>CADPR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1930 (LCJ) STATION IS APPROXIMATELY 1 MILE S OF DUNCAN LANDING ON THE FIRST PROMINENT POINT AT S END OF SAND BEACH. THE STATION MARK IS IN THE MIDDLE OF THE POINT 7 METERS E OF THE BLUFF LINE. THE BOULDER IN WHICH THE MARKER IS CEMENTED PROJECTS 1-1/2 INCHES. <p>STATION AND REFERENCE MARKS ARE STANDARD BRONZE DISKS SET IN CONCRETE IN DEPRESSIONS IN BOLDERS. <p> <h2>STATION RECOVERY (1937) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1937 (FHH) STATION IS APPROXIMATELY 1 MILE S OF DUNCANS LANDING (THERE IS A NEW SHELL GASOLINE STATION ON HIGHWAY NOW) ON THE FIRST PROMINENT POINT, AT THE S END OF A SAND BEACH. THE STATION MARK IS IN THE MIDDLE OF THE POINT, 7 METERS E OF THE BLUFF LINE. THE BOULDER IN WHICH THE MARK IS CEMENTED PROJECTS 2 INCHES ABOVE SURFACE OF GROUND. <p> <h2>STATION RECOVERY (1956) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1956 (FN) STATION IS ABOUT 1.4 MI. S OF ROCKY POINT (DUNCANS LANDING), IN ABOUT THE CENTER OF THE FIRST PROMINENT POINT, AT THE S END OF A SAND BEACH, ABOUT 500 FT. W OF STATE HIGHWAY 1. IT IS A STANDARD DISK (UNSTAMPED), CEMENTED IN A DRILL HOLE IN A BOULDER THAT LIES 7 M. E OF THE BLUFF LINE AND PROJECTS ABOUT 2 IN. <p>THE REFERENCE MARK WAS DESTROYED. A DRILL HOLE WAS FOUND IN A BROKEN BOULDER AT THE APPROXIMATE LOCATION OF THE MARK. THE DISK HAD BEEN REMOVED. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (JCM) THE STATION MARK WAS RECOVERED IN GOOD CONDITION BUT THE ROCK IN WHICH THE REFERENCE MARK HAD BEEN SET WAS FOUND LOOSE AND BROKEN AND THE DISK GONE. TWO NEW REFERENCE MARK WERE SET ON THIS DATE. A COMPLETE DESCRIPTION FOLLOWS-- <p>THE STATION IS LOCATED AIRLINE ABOUT 3-3/4 MILES NORTH-NORTHWEST OF THE TOWN OF BODEGA BAY, 2 MILES NORTH-NORTHWEST OF THE VILLAGE OF SALMON CREEK, AND ON A POINT OF LAND OVERLOOKING THE PACIFIC OCEAN, BETWEEN PORTUGUESE BEACH ON THE NORTH AND SCHOOLHOUSE BEACH ON THE SOUTH. <p>TO REACH THE STATION FROM THE POST OFFICE AT BODEGA BAY GO NORTHWEST ON STATE HIGHWAY 1 FOR 4.2 MILES TO THE STATION, A LARGE PAVED PARKING AREA, AND A SIGN, PORTUGUESE BEACH ON THE LEFT. <p>THE STATION MARK IS A STANDARD DISK CEMENTED IN A DRILL HOLE IN THE TOP OF A BOULDER THAT PROJECTS 2 INCHES ABOVE THE GROUND. IT IS 135 YARDS WEST OF THE CENTERLINE OF THE HIGHWAY, 65 YARDS WEST OF THE WEST EDGE OF A LARGE, PAVED PARKING AREA, 23 FEET NORTH OF A PATH ALONG THE SOUTH SIDE OF THE POINT, AND 22 FEET EAST OF THE WEST EDGE OF THE BLUFF. THE MARK WAS STAMPED ANDY 1930 ON THIS DATE. <p>REFERENCE MARK NUMBER 2 IS A STANDARD DISK STAMPED ANDY NO 2 1930 SET IN THE TOP OF A 10-INCH CONCRETE CYLINDER THAT PROJECTS 2 INCHES ABOVE THE GROUND AND IS ABOUT 6 INCHES HIGHER THAN THE STATION. <p>REFERENCE MARK NUMBER 3 IS A STANDARD DISK STAMPED ANDY NO 3 1930 CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS ABOUT 30 FEET ABOVE THE OCEAN ON THE WEST SIDE AND IS ABOUT 20 FEET LOWER THAN THE STATION. <p>HEIGHT OF TRIPOD--1 METER. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1959 4.2 MI NW FROM BODEGA BAY. 4.2 MILES NORTHWEST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT BODEGA BAY, SONOMA COUNTY, ON A POINT OF LAND THAT LIES BETWEEN PORTUGUESE BEACH AND THE NORTH AND SCHOOLHOUSE BEACH ON THE SOUTH, 135 YARDS WEST OF THE CENTERLINE OF THE HIGHWAY, 65 YARDS WEST OF THE WEST EDGE OF A LARGE, PAVED PARKING AREA, 23 FEET NORTH OF A PATH ALONG THE SOUTH SIDE OF THE POINT, 22 FEET EAST OF THE WEST EDGE OF THE BLUFF, A STANDARD TRIANGULATION STATION DISK CEMENTED IN A DRILL HOLE IN THE TOP OF A BOULDER THAT PROJECTS 2 INCHES ABOVE THE GROUND. NOTE-- THE MARK WAS STAMPED ANDY 1930 ON THIS DATE. <p> <h2>STATION RECOVERY (1971) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1971 (DRT) THE STATION MARK, REFERENCE MARK NO. 2, AND REFERENCE MARK NO. 3 WERE RECOVERED AS DESCRIBED IN GOOD CONDITION. REFERENCE MARK NO. 3 SEEMS TO HAVE BEEN TAMPERED WITH BUT IS STILL SECURE IN BEDROCK. THE STATION IS SUITABLE FOR A HI-FIX SITE. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--3.5 MILES N.W. OF BODEGA BAY. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1972 (WBC) A DILIGENT SEARCH FAILED TO REVEAL ANY EVIDENCE OF THIS MARK. IT WAS REPORTED DESTROYED IN THE 1956 TRIANGULATION NOTES AND REPLACED BY R.M.S 2 AND 3 IN 1959. NO BM ELEVATIONS HAVE BEEN ESTABLISHED ON THESE NEW MARKS BUT THE BM ELEVATION ON THE STATION MARK APPEARS TO BE INTACT. <p> <h2>STATION RECOVERY (1973) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (CLN) THE STATION MARK AND REFERENCE MARKS 2 AND 3 WERE RECOVERED IN GOOD CONDITION AND THE 1959 DESCRIPTION IS ADEQUATE. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--3-3/4 MILES NNW OF BODEGA BAY. <p> <h2>STATION RECOVERY (2002) </h2> <p>RECOVERY NOTE BY CA DEPT PARKS REC 2002 (DBK) UNABLE TO FIND STATION MARK. FOUND ANDY RM2 ONLY. ANDY RM3 APPEARS TO BE WASHED AWAY BY THE OCEAN. RM2 IS ON MOST WESTERLY POINT OF LAND. FROM NORTHWESTERLY CORNER OF PARKING LOT WALK WEST ACROSS AN ERODED SADDLE TO THE STATION IN A PROMINENT GRASSY AREA. JT2426 ANGLE http://www.geocaching.com/mark/details.asp?PID=JT2426 ANGLE Geocache Geocache ANGLE CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ANGLE</h1> <b> PID </b> JT2426 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> KENWOOD (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 28 09.71641(N) 122 37 30.47019(W) ADJUSTED <br> <b> NAVD 88 </b> 181.0 (meters) 594. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 5.21 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.92 (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> 589,292.444 1</td><td>945,447.000</td><td> MT </td><td>0.99997194</td><td> -0 ' 23 38.9"</td></tr><tr><td>SPC CA 2 </td><td>1,933,370.29 6</td><td>382,687.37 </td><td> sFT </td><td>0.99997194</td><td> -0 ' 23 38.9"</td></tr><tr><td>UTM 10 </td><td>4,257,960.754 </td><td>532,701.707</td><td> MT </td><td>0.99961317</td><td> +0 ' 13 59.5"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99997646 x 0.99997194 = 0.99994840 <br> <b>UTM 10 </b> 0.99997646 x 0.99961317 = 0.99958964 <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> BENNETT </td><td>180&deg; 16' 05.2"</td></tr><tr><td>UTM 10 </td><td> BENNETT </td><td>179&deg; 38' 26.8"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB4045</td><td>ANGLE RM 1 </td><td> 8.541 METERS</td><td>125&deg; 08' </td></tr><tr><td>JT2427</td><td>BENNETT </td><td>APPROX. 6.2 KM</td><td>179&deg; 52' 26.3"</td></tr><tr><td>DB4046</td><td>ANGLE RM 2 </td><td> 10.970 METERS</td><td>276&deg; 29' </td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 28 09.71015(N) 122 37 30.46446(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 38 28 10.03300(N) 122 37 26.52200(W) AD( ) 3 <br> NGVD 29 (07/19/86) 180.1 (m) 591. (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: 10SEH3270257961(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1957 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1969 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1957 (RLE) THE STATION IS LOCATED ABOUT 5.0 MILES EAST-NORTHEAST OF SANTA ROSA ON A LOW GRASS COVERED HILL, 105 FEET NORTH OF THE CENTER OF A TRACK ROAD AND 1 FOOT NORTH OF A WIRE FENCE. THE MARK IS SET FLUSH WITH THE SURFACE OF THE GROUND AND IS STAMPED ANGLE C OF SR 1956 1957. <p>REFERENCE MARK NO. 1 IS 2 FEET NORTH OF A FENCE. THE MARK IS SET FLUSH WITH THE SURFACE OF THE GROUND AND IS STAMPED ANGLE C OF SR NO 1 1957. <p>REFERENCE MARK NO. 2 IS 1 FOOT SOUTH OF A FENCE. THE MARK IS SET FLUSH WITH THE SURFACE OF THE GROUND AND IS STAMPED ANGLE C OF SR NO 2 1957. <p>NO AZIMUTH MARK WAS ESTABLISHED. <p>TO REACH THE STATION FROM THE SOUTHEAST SIDE OF THE COURT HOUSE IN SANTA ROSA, GO EAST ON 4TH STREET FOR 0.6 MILE TO THE JUNCTION OF STATE HIGHWAY NO. 12, CONTINUE STRAIGHT AHEAD ON STATE HIGHWAY NO. 12 AND GO EAST FOR 4.4 MILES TO LOS ALAMOS ROAD ON THE LEFT AS PER SIGN SANTA ROSA GOLF AND COUNTRY CLUB, TURN LEFT AND GO NORTH FOR 0.6 MILE TO A FORK, TAKE THE LEFT FORK AND GO NORTH FOR 0.3 MILE TO A CATTLE GUARD, CONTINUE AHEAD FOR 0.05 MILE TO A BLADED ROAD ON THE LEFT, TURN LEFT AND GO ABOUT 50 FEET TO A DIM TRACK ROAD ON THE LEFT, TURN LEFT AND GO ACROSS PASTURE FOR ABOUT 100 YARDS TO A CURVE IN THE FENCE AND THE STATION AS DESCRIBED. <p>HEIGHT OF LIGHT ABOVE STATION MARK 1.0 METERS. <p> <h2>STATION RECOVERY (1969) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1969 (LS) THE STATION MARK AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION. A COMPLETE DESCRIPTION FOLLOWS-- <p>THE STATION IS LOCATED ON A GRASSY SLOPE AT AN ANGLE IN A WIRE FENCE SEPARATING TWO PASTURES, AIRLINE ABOUT 5 MILES EAST-NORTHEAST OF THE CENTER OF THE BUSINESS DISTRICT OF SANTA ROSA AND 1/3 MILE NORTHEAST OF THE SANTA ROSA GOLF AND COUNTRY CLUB. <p>THE STATION MARK IS A COAST AND GEODETIC SURVEY TRIANGULATION STATION DISK STAMPED ANGLE C OF SR 1956 1957 SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND AND IS 39.5 FEET NORTHWEST OF THE NORTHWEST FENCE CORNER OF A WOODEN FENCE AROUND THE PROPERTY AT 927 LOS ALAMOS ROAD AND 1.0 FOOT WEST OF A FENCE POST AT THE ANGLE POINT IN THE FENCE. <p>REFERENCE MARK 1 IS A COAST AND GEODETIC SURVEY REFERENCE MARK DISK STAMPED ANGLE C OF SR NO 1 1957 SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND AND IS 2 FEET NORTH OF THE FENCE LINE. <p>REFERENCE MARK 2 IS A COAST AND GEODETIC SURVEY REFERENCE MARK DISK STAMPED ANGLE C OF SR NO 2 1957 SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND AND IS 1 FOOT SOUTH OF THE FENCE LINE. <p>TO REACH THE STATION FROM OLD COURTHOUSE SQUARE AT SANTA ROSA GO NORTHEAST ON FOURTH STREET AND SONOMA HIGHWAY 5.1 MILES TO A SIDE ROAD ON THE LEFT. TURN LEFT ONTO LOS ALAMOS ROAD AND GO NORTHEAST 0.95 MILE TO A SIDE ROAD ON THE LEFT. TURN LEFT, PASS THROUGH TWO GATES, AND GO WEST ACROSS A PASTURE 0.1 MILE TO THE STATION. JT2808 ASTER http://www.geocaching.com/mark/details.asp?PID=JT2808 ASTER Geocache Geocache ASTER CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ASTER</h1> <b> PID </b> JT2808 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 18 54.10471(N) 123 01 34.43063(W) ADJUSTED <br> <b> NAVD 88 </b> 39.1 (meters) 128. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 6.41 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -32.01 (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> 572,479.804 1</td><td>910,252.114</td><td> MT </td><td>1.00000420</td><td> -0 ' 38 49.2"</td></tr><tr><td>SPC CA 2 </td><td>1,878,210.82 6</td><td>267,218.81 </td><td> sFT </td><td>1.00000420</td><td> -0 ' 38 49.2"</td></tr><tr><td>SPC CA 3 </td><td> 704,420.940 1</td><td>779,099.278</td><td> MT </td><td>0.99997754</td><td> -1 ' 32 47.9"</td></tr><tr><td>SPC CA 3 </td><td>2,311,087.70 5</td><td>836,928.21 </td><td> sFT </td><td>0.99997754</td><td> -1 ' 32 47.9"</td></tr><tr><td>UTM 10 </td><td>4,240,769.417 </td><td>497,706.899</td><td> MT </td><td>0.99960006</td><td> -0 ' 00 58.5"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99999888 x 1.00000420 = 1.00000308 <br> <b>SPC CA 3 </b> 0.99999888 x 0.99997754 = 0.99997642 <br> <b>UTM 10 </b> 0.99999888 x 0.99960006 = 0.99959894 <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> DORAN </td><td>266&deg; 01' 19.3"</td></tr><tr><td>SPC CA 3 </td><td> DORAN </td><td>266&deg; 55' 18.0"</td></tr><tr><td>UTM 10 </td><td> DORAN </td><td>265&deg; 23' 28.6"</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>DB4064</td><td>ASTER RM 1 </td><td> 23.655 METERS</td><td>040&deg; 48' </td></tr><tr><td>DB4065</td><td>ASTER RM 2 </td><td> 20.542 METERS</td><td>127&deg; 41' </td></tr><tr><td>JT2824</td><td>BODEGA HEAD LIGHT </td><td>APPROX. 2.9 KM</td><td>235&deg; 45' 16.2"</td></tr><tr><td>JT2814</td><td>BODEGA HARBOR ENTRANCE LIGHT 1 </td><td>APPROX. 2.3 KM</td><td>240&deg; 53' 45.1"</td></tr><tr><td>JT2802</td><td>DORAN </td><td>APPROX. 1.7 KM</td><td>265&deg; 22' 30.1"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 18 54.09738(N) 123 01 34.42739(W) AD(1984.00) 1 <br> <b> NAD 27 </b> 38 18 54.40163(N) 123 01 30.42044(W) AD( ) 1 <br> NGVD 29 (07/19/86) 38.3 (m) 126. (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: 10SDH9770740769(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>1969 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1969 (GRS) THE STATION IS LOCATED ON A LOW HILL IN A PASTURE ABOUT 18 AIRLINE MILES WEST-SOUTHWEST OF SANTA ROSA AND ABOUT 1-1/2 AIRLINE MILES SOUTHEAST OF THE VILLAGE OF BODEGA BAY. <p>TO REACH THE STATION FROM THE POST OFFICE IN BODEGA BAY, GO SOUTHERLY ON STATE HIGHWAY 1 FOR 1.1 MILES TO A SIDE ROAD RIGHT. TURN RIGHT AND GO WESTERLY AND SOUTH ON A PAVED ROAD FOR 0.25 MILE TO A REVERSE Y-FORK. KEEP LEFT AND GO SOUTHEAST ON A PAVED ROAD FOR 0.05 MILE TO A SIDE ROAD RIGHT. TURN RIGHT CROSSING A CATTLE GUARD THEN KEEP LEFT WITH THE MAIN TRAVELED TRACK ROAD AND GO SOUTHERLY FOR 0.3 MILE TO THE STATION ON THE RIGHT. <p>THE STATION MARK IS A STANDARD DEPARTMENT OF WATER RESOURCES DISK STAMPED ASTER 1967, SET IN THE TOP OF A 10-INCH SQUARE CONCRETE MONUMENT WHICH PROJECTS 1 INCH. IT IS 125 FEET WEST-NORTHWEST OF A FENCE CORNER, 87 FEET SOUTHWEST OF THE CENTER OF THE TRACK ROAD AND 79.1 FEET WEST-SOUTHWEST OF A WITNESS POST. <p>REFERENCE MARK NO 1 IS A CALIFORNIA DEPARTMENT OF WATER RESOURCES DISK STAMPED ASTER R.M. 1 1967, SET IN THE TOP OF A 10-INCH SQUARE CONCRETE MONUMENT WHICH PROJECTS 1-INCH. IT IS 10 FEET WEST OF THE CENTER OF THE TRACK ROAD AND 4.4 FEET SOUTHWEST OF THE WITNESS POST. <p>REFERENCE MARK NO 2 IS A CALIFORNIA DEPARTMENT OF WATER RESOURCES DISK STAMPED ASTER R.M. 2 1967, SET IN THE TOP OF A 10-INCH SQUARE CONCRETE MONUMENT WHICH PROJECTS 1-INCH. IT IS 104.5 FEET SOUTH OF THE WITNESS POST AND 88 FEET WEST OF THE CENTER OF THE TRACK ROAD. <p>TRIANGULATION STATION DORAN 1957 MAY BE USED AS AN AZIMUTH MARK FOR THIS STATION. SEE DESCRIPTION THEREOF. JT2728 ASTI http://www.geocaching.com/mark/details.asp?PID=JT2728 ASTI Geocache Geocache ASTI CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ASTI</h1> <b> PID </b> JT2728 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ASTI (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 45 48.42531(N) 122 58 24.51566(W) ADJUSTED <br> <b> NAVD 88 </b> 82.30 (+/-2cm) 270.0 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.35 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.57 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> THIRD ? (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 622,202.200 1</td><td>915,398.675</td><td> MT </td><td>0.99993030</td><td> -0 ' 36 49.5"</td></tr><tr><td>SPC CA 2 </td><td>2,041,341.72 6</td><td>284,103.82 </td><td> sFT </td><td>0.99993030</td><td> -0 ' 36 49.5"</td></tr><tr><td>UTM 10 </td><td>4,290,527.406 </td><td>502,304.338</td><td> MT </td><td>0.99960007</td><td> +0 ' 00 59.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99999188 x 0.99993030 = 0.99992218 <br> <b>UTM 10 </b> 0.99999188 x 0.99960007 = 0.99959196 <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> ALICE </td><td>256&deg; 58' 43.5"</td></tr><tr><td>UTM 10 </td><td> ALICE </td><td>256&deg; 20' 54.2"</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>DB4067</td><td>ASTI RM 1 </td><td> 5.659 METERS</td><td>220&deg; 11' </td></tr><tr><td>JT2744</td><td>ALICE </td><td>APPROX. 7.1 KM</td><td>256&deg; 21' 54.0"</td></tr><tr><td>DB4066</td><td>ASTI AZ MK </td><td> </td><td>294&deg; 27' 56.3"</td></tr><tr><td>DB4068</td><td>ASTI RM 2 </td><td> 12.040 METERS</td><td>320&deg; 31' </td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 45 48.42469(N) 122 58 24.50154(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 38 45 48.74900(N) 122 58 20.50300(W) AD( ) 3 <br> NGVD 29 (07/19/86) 81.42 (m) 267.1 (f) LEVELING 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH0230490527(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1949 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1960 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1965 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1974 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (WRH) THE STATION IS LOCATED AT THE ASTI RAILROAD DEPOT, ON THE PROPERTY OF ITALIAN SWISS COLONY, ABOUT 4 MILES, BY ROAD, NORTHWEST OF GEYSERVILLE AND 3 MILES, BY ROAD, SOUTHEAST OF CLOVERDALE. <p>STATION MARK, STAMPED ASTI 1949, IS A STANDARD DISK SET AS DESCRIBED IN NOTES 1A AND 7A, AND PROJECTS 4 INCHES ABOVE THE GROUND. IT IS 35.1 FEET EAST OF THE SOUTHEAST CORNER OF THE DEPOT, 45 FEET SOUTH OF THE CENTER OF THE RAILROAD TRACKS, 8.7 FEET WEST OF WITNESS POST AND ABOUT 300 FEET NORTH OF THE ASTI POST OFFICE. <p>REFERENCE MARK NUMBER 1, STAMPED ASTI NO 1 1949, IS A STANDARD DISK SET AS DESCRIBED IN NOTE 11A, FLUSH WITH THE GROUND AND IS THE SAME ELEVATION AS THE STATION. IT IS 36.0 FEET EAST SOUTHEAST OF THE SOUTHEAST CORNER OF THE DEPOT AND AT THE NORTH EDGE OF THE PARKING LOT. <p>REFERENCE MARK NUMBER 2, STAMPED ASTI NO 2 1949, IS A STANDARD DISK SET IN THE CONCRETE PLATFORM OF THE DEPOT. IT IS IN THE NORTHEAST CORNER OF THE PLATFORM, PROJECTING 3 FEET ABOVE THE GROUND AND 2 FEET HIGHER THAN THE STATION. <p>AZIMUTH MARK, STAMPED ASTI 1949, IS A STANDARD DISK SET A CONCRETE BRIDGE SUPPORT OF THE RAILROAD TRACKS. TO REACH FROM THE STATION, GO WEST NORTHWEST ALONG RAILROAD TRACKS FOR 0.45 MILE TO A ROAD CROSSING AND BRIDGE. THE AZIMUTH MARK IS 37 FEET EAST OF THE INTERSECTION OF RAILROAD AND FARM ROAD, 3 FEET NORTH OF THE NORTH RAIL AND ABOUT FLUSH WITH THE GROUND. <p>TO REACH THE STATION FROM THE U.S. POST OFFICE IN ASTI, GO 300 FEET NORTH TO THE ASTI RAILROAD DEPOT AND THE STATION. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (IRR) THE STATION MARK, AZIMUTH MARK, AND REFERENCE MARKS WERE RECOVERED IN GOOD CONDITION AND THE 1949 DESCRIPTION IS ADEQUATE. <p> <h2>STATION RECOVERY (1965) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1965 (EHS) THE STATION MARK, AZIMUTH MARK, AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION AND THE 1949 DESCRIPTION IS ADEQUATE WITH THE FOLLOWING ADDITIONS-- <p>THE AREA AROUND THE STATION MARK AND REFERENCE MARK 1 HAS BEEN RECENTLY PAVED WITH ASPHALT AND THE STATION MARK IS FLUSH WITH THE PAVEMENT AND REFERENCE MARK 1 IS 0.7 FOOT BELOW THE SURFACE. <p>THE STATION MARK IS 44.3 FEET NORTH OF THE NORTHWEST CORNER OF A CONCRETE-BLOCK WALL. <p>REFERENCE MARK 1 IS 30.7 FEET NORTH OF THE NORTHWEST CORNER OF THE CONCRETE-BLOCK WALL. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 (RDM) THE STATION MARK AND REFERENCE MARK 2 WERE FOUND IN GOOD CONDITION AND THE PREVIOUS DESCRIPTION OF 1960 IS ADEQUATE WITH THE FOLLOWING CHANGES-- <p>THE STATION MARK IS NOW 0.1 OF A FOOT BELOW THE SURFACE OF AN ASPHALT DRIVEWAY AND IS COVERED WITH A 4-1/2 INCH DIAMETER METAL CASTING. <p>REFERENCE MARK 1 WAS NOT RECOVERED AT THIS TIME. IT STILL MAY BE IN PLACE UNDER THE ASPHALT, BUT NO HOLE WAS DUG THROUGH THE DRIVEWAY AT THIS TIME. <p>THE AZIMUTH MARK WAS NOT FOUND AND IS BELIEVED DESTROYED. THE OLD CONCRETE BRIDGE SUPPORT IS BROKEN AND A NEW CONCRETE SUPPORT IS IN ITS PLACE. <p>THE STATION WAS NOT OCCUPIED. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--4 MILES SOUTHEAST OF CLOVERDALE JT2730 ASTI I S COLONY WINE CO S STK http://www.geocaching.com/mark/details.asp?PID=JT2730 ASTI I S COLONY WINE CO S STK Geocache Geocache ASTI I S COLONY WINE CO S STK Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ASTI I S COLONY WINE CO S STK</h1> <b> PID </b> JT2730 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ASTI (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 45 45.49756(N) 122 58 21.71089(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.34 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.57 (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> 622,111.205 1</td><td>915,465.415</td><td> MT </td><td>0.99993038</td><td> -0 ' 36 47.7"</td></tr><tr><td>SPC CA 2 </td><td>2,041,043.18 6</td><td>284,322.78 </td><td> sFT </td><td>0.99993038</td><td> -0 ' 36 47.7"</td></tr><tr><td>UTM 10 </td><td>4,290,437.181 </td><td>502,372.053</td><td> MT </td><td>0.99960007</td><td> +0 ' 01 01.5"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 45 45.49628(N) 122 58 21.69661(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 45 45.81000(N) 122 58 17.83000(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: 10SEH0237290437(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>UNK </td><td>MONUMENTED</td><td>Report By</td></tr><tr><td>1960 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1960 (IRR) THE STATION WAS RECOVERED IN GOOD CONDITION AND IS THE SOUTH ONE OF FOUR STACKS AT THE ITALIAN SWISS COLONY WINE COMPANY WINERY AT ASTI. THE STACKS ARE PAINTED SILVER WITH BLACK BANDS AT THE TOPS, ARE ABOUT 60 FEET HIGH, PROJECT ABOUT 30 FEET ABOVE THE ROOF OF THE BOILER ROOM BUILDING, AND ARE ABOUT 125 YARDS EAST OF THE POST OFFICE. JT2731 ASTI I S COLONY WINE CO N STK http://www.geocaching.com/mark/details.asp?PID=JT2731 ASTI I S COLONY WINE CO N STK Geocache Geocache ASTI I S COLONY WINE CO N STK Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ASTI I S COLONY WINE CO N STK</h1> <b> PID </b> JT2731 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ASTI (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 45 45.82581(N) 122 58 21.58949(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.35 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.57 (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> 622,121.295 1</td><td>915,468.454</td><td> MT </td><td>0.99993037</td><td> -0 ' 36 47.6"</td></tr><tr><td>SPC CA 2 </td><td>2,041,076.28 6</td><td>284,332.75 </td><td> sFT </td><td>0.99993037</td><td> -0 ' 36 47.6"</td></tr><tr><td>UTM 10 </td><td>4,290,447.300 </td><td>502,374.979</td><td> MT </td><td>0.99960007</td><td> +0 ' 01 01.6"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 45 45.82453(N) 122 58 21.57521(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 45 46.15000(N) 122 58 17.58000(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: 10SEH0237590447(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>UNK </td><td>MONUMENTED</td><td>Report By</td></tr><tr><td>1960 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1960 (IRR) THE STATION WAS RECOVERED IN GOOD CONDITION AND IS THE NORTH ONE OF FOUR STACKS AT THE ITALIAN SWISS COLONY WINE COMPANY WINERY AT ASTI. THE STACKS ARE PAINTED SILVER WITH BLACK BANDS AT THE TOPS, ARE ABOUT 60 FEET HIGH, PROJECT ABOUT 30 FEET ABOVE THE ROOF OF THE BOILER ROOM BUILDING, AND ARE ABOUT 125 YARDS EAST OF THE POST OFFICE. JT2732 ASTI I S COLONY WINE CO E STK http://www.geocaching.com/mark/details.asp?PID=JT2732 ASTI I S COLONY WINE CO E STK Geocache Geocache ASTI I S COLONY WINE CO E STK CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>ASTI I S COLONY WINE CO E STK</h1> <b> PID </b> JT2732 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ASTI (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 45 45.77479(N) 122 58 21.46472(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.35 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.57 (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> 622,119.689 1</td><td>915,471.449</td><td> MT </td><td>0.99993037</td><td> -0 ' 36 47.6"</td></tr><tr><td>SPC CA 2 </td><td>2,041,071.01 6</td><td>284,342.58 </td><td> sFT </td><td>0.99993037</td><td> -0 ' 36 47.6"</td></tr><tr><td>UTM 10 </td><td>4,290,445.728 </td><td>502,377.991</td><td> MT </td><td>0.99960007</td><td> +0 ' 01 01.7"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 45 45.77405(N) 122 58 21.45090(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 45 46.10000(N) 122 58 17.45000(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: 10SEH0237890446(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>1949 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1960 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (WRH) STATION IS THE CENTER OF THE TOP OF THE EAST STACK OF 4 STACKS THAT ARE ABOUT 30 FEET IN ELEVATION. THE STACKS ARE ON TOP OF THE ITALIAN SWISS COLONY WINE CO. BUILDING THAT IS LOCATED AT THE ASTI U.S. POST OFFICE. THE BUILDING IS ABOUT 30 FEET IN ELEVATION, AND THE STACKS ARE PAINTED SILVER WITH A BLACK STRIP AROUND THE TOP. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (IRR) THE STATION WAS RECOVERED IN GOOD CONDITION AND THE 1949 DESCRIPTION IS ADEQUATE EXCEPT THE STACK IS NOT IN THE TOP OF THE POST OFFICE BUILDING BUT IN THE TOP OF THE BOILER ROOM BUILDING ABOUT 125 YARDS EAST OF THE POST OFFICE. JT1069 B 106 http://www.geocaching.com/mark/details.asp?PID=JT1069 B 106 Geocache Geocache B 106 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 106</h1> <b> PID </b> JT1069 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GEYSERVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 42 23. (N) 122 54 04. (W) SCALED <br> <b> NAVD 88 </b> 64.50 (+/-2cm) 211.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -30.65 (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> 615,800. </td><td> 1,921,630. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 63.622 (m) 208.73 (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: 10SEH085842(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: BUILDING <br>STAMPING: 208.641 B 106 1932 <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1932 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1954 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 AT GEYSERVILLE. AT GEYSERVILLE, SONOMA COUNTY, ABOUT 600 FEET SOUTH OF THE NORTHWESTERN PACIFIC RAILROAD STATION, AT THE CALIFORNIA PRUNE AND APRICOT GROWERS INC. WAREHOUSE, IN THE NORTH FACE OF THE NORTHWEST CORNER, 6 INCHES EAST OF THE WEST WALL, AND ABOUT 4 FEET ABOVE THE GROUND. A STANDARD DISK, STAMPED 208.641 B 106 1932 AND SET VERTICALLY. NOTE-- A CONCRETE EXTENSION HAS BEEN BUILT AT THE NORTH END OF THE ORIGINAL BUILDING, THE EXTENSION IS FLUSH WITH THE WEST WALL OF THE ORIGINAL BUILDING AND THE BENCH MARK WOULD BE IN THE CONCRETE WALL. <p> <h2>STATION RECOVERY (1954) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1954 MARK NOT FOUND. JT0740 B 107 http://www.geocaching.com/mark/details.asp?PID=JT0740 B 107 Geocache Geocache B 107 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 107</h1> <b> PID </b> JT0740 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> COTATI (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 30. (N) 122 41 50. (W) SCALED <br> <b> NAVD 88 </b> 33.12 (+/-2cm) 108.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.45 (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> 575,160. </td><td> 1,939,050. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 32.284 (m) 105.92 (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: 10SEH264437(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: 105.866 B 107 1932 <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>1932 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1934 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1959 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1934 6.9 MI S FROM SANTA ROSA. 6.9 MILES SOUTH ALONG THE NORTHWESTERN PACIFIC RAILROAD FROM THE STATION AT SANTA ROSA, SONOMA COUNTY, 0.8 MILE NORTH OF THE STATION AT COTATI, AT CULVERT NO. 46-C, AND IN THE NORTH END OF THE EAST HEADWALL. A STANDARD DISK, STAMPED 105.866 B 107 1932. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1959 RECOVERED IN GOOD CONDITION. JT1174 B 1244 http://www.geocaching.com/mark/details.asp?PID=JT1174 B 1244 Geocache Geocache B 1244 NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1244</h1> <b> PID </b> JT1174 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> THE GEYSERS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 47 34. (N) 122 45 48. (W) SCALED <br> <b> NAVD 88 </b> 947.42 (+/-2cm) 3108.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.88 (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> 625,280. </td><td> 1,933,690. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 946.460 (m) 3105.18 (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: 10SEH205938(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: B 1244 1973 <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>1973 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 14 MI NW FROM MIDDLETOWN. 4.5 MILES NORTHWEST ALONG STATE HIGHWAY 175 FROM THE POST OFFICE AT MIDDLETOWN, THENCE 5.5 MILES WEST ALONG SOCRATES MINE ROAD, THENCE 0.15 MILE NORTH ALONG A DIRT ROAD, THENCE 3.8 MILES NORTHWEST ALONG A GRADED ROAD (BURNED MOUNTAIN ROAD), IN THE TOP OF A ROCK OUTCROP ON THE SOUTH SIDE OF A CREEK BED, 54.5 FEET EAST OF THE CENTER LINE OF THE ROAD, 29.1 FEET EAST OF THE EAST END OF AN 18-INCH METAL PIPE UNDER THE ROAD, 1.2 FEET NORTH OF A WITNESS POST, ABOUT LEVEL WITH THE GROUND, AND ABOUT 7 FEET HIGHER THAN THE ROAD. JT1198 B 1245 http://www.geocaching.com/mark/details.asp?PID=JT1198 B 1245 Geocache Geocache B 1245 NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1245</h1> <b> PID </b> JT1198 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> THE GEYSERS (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 47 19. (N) 122 47 21. (W) SCALED <br> <b> NAVD 88 </b> 589.66 (+/-2cm) 1934.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -29.95 (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> 624,840. </td><td> 1,931,440. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 588.721 (m) 1931.50 (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: 10SEH183933(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 66 = SET IN ROCK OUTCROP <br>SP_SET: ROCK OUTCROP <br>STAMPING: B 1245 1973 <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>1973 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 14.4 MI NW FROM MIDDLETOWN. 4.5 MILES NORTHWEST ALONG STATE HIGHWAY 175 FROM THE POST OFFICE AT MIDDLETOWN, THENCE 5.5 MILES WEST ALONG SOCRATES MINE ROAD, THENCE 0.15 MILE NORTH ALONG A DIRT ROAD, THENCE 0.3 MILE WEST ALONG A GRADED ROAD, THENCE 3.9 MILES NORTHWEST ALONG A DIRT ROAD (BIG SULPHUR CREEK ROAD), IN THE TOP AND AT THE NORTHWEST END OF A LEDGE OF ROCK OUTCROP THAT PROJECTS 0.2 FOOT ABOVE THE GROUND, 29 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 2.4 FEET NORTHEAST OF A WITNESS POST DRILLED IN THE OUTCROP, AND ABOUT 6 1/2 FEET HIGHER THAN THE ROAD. JT9450 B 1397 http://www.geocaching.com/mark/details.asp?PID=JT9450 B 1397 Geocache Geocache B 1397 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1397</h1> <b> PID </b> JT9450 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SANTA ROSA (1994) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 26 45. (N) 122 43 26. (W) SCALED <br> <b> NAVD 88 </b> 47.270 (meters) 155.09 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -31.22 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 47.241 (meters) 154.99 (feet) COMP <br> <b> MODELED GRAV</b> 980,011.6 (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> 586,740. </td><td> 1,936,810. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 46.412 (m) 152.27 (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: 10SEH240553(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: B 1397 1987 <br>MARK LOGO: NGS <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>1987 </td><td>MONUMENTED </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1987 IN SANTA ROSA. IN SANTA ROSA, AT THE INTERSECTION OF U.S. HIGHWAY 101 AND STATE HIGHWAY 12, SET VERTICALLY IN THE SOUTH FACE OF THE NORTH CONCRETE ABUTMENT OF THE SOUTHBOUND U.S. HIGHWAY OVERPASS OF THE STATE HIGHWAY, 6.7 M (22.0 FT) WEST OF THE CENTER OF THE SOUTHBOUND LANES OF THE U.S. HIGHWAY, 5.6 M (18.4 FT) NORTH OF THE CENTERLINE OF THE WESTBOUND LANES OF THE STATE HIGHWAY, AND 0.3 M (1.0 FT) EAST OF THE WEST END OF THE ABUTMENT. THE MARK IS 1.4 M ABOVE A SIDEWALK. JT9426 B 1398 http://www.geocaching.com/mark/details.asp?PID=JT9426 B 1398 Geocache Geocache B 1398 NGS NGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 1398</h1> <b> PID </b> JT9426 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ASTI (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 46 03. (N) 122 59 40. (W) SCALED <br> <b> NAVD 88 </b> 95.208 (meters) 312.36 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.59 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 95.150 (meters) 312.17 (feet) COMP <br> <b> MODELED GRAV</b> 980,016.7 (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> 622,670. </td><td> 1,913,580. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 94.328 (m) 309.47 (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: 10SEH004909(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 38 = SET IN THE ABUTMENT OR PIER OF A LARGE BRIDGE <br>SP_SET: COLUMN <br>STAMPING: B 1398 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 6.6 KM (4.10 MI) SOUTH FROM CLOVERDALE. 6.6 KM (4.10 MI) SOUTHERLY ALONG U.S. HIGHWAY 101 FROM THE JUNCTION OF STATE HIGHWAY 128 AT THE NORTH EDGE OF CLOVERDALE, SET VERTICALLY IN THE SOUTHEAST FACE OF THE MOST NORTHEASTERLY 1 OF 2 COLUMNS OF THE FIRST PIER SOUTHEAST OF THE NORTHWEST ABUTMENT OF THE NORTHBOUND HIGHWAY OVERPASS OF DUTCHER CREEK ROAD, AND 3.6 M (11.8 FT) NORTHEAST OF THE CENTER OF THE NORTHBOUND LANES OF THE HIGHWAY. THE MARK IS 1.3 M ABOVE THE GROUND. JT1210 B 208 http://www.geocaching.com/mark/details.asp?PID=JT1210 B 208 Geocache Geocache B 208 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 208</h1> <b> PID </b> JT1210 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> STEWARTS POINT (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 42 56. (N) 123 27 15. (W) SCALED <br> <b> NAVD 88 </b> 37.14 (+/-2cm) 121.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.88 (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> 617,440. </td><td> 1,873,540. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 36.282 (m) 119.04 (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: 10SDH605853(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 208 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>1975 </td><td>GOOD </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 1975 5.9 MI SE FROM STEWARTS POINT. IN SONOMA CO, 5.9 MI SE ALONG STATE HWY 1 FROM THE GUALALA HOTEL AT GUALALA, MENDOCINO CO., NEAR A DRIVEWAY LEADING TO THE SEA RANCH HEADQUARTERS, 25 FT NE OF THE CENTERLINE OF THE HWY, 15 FT SE OF A STOP SIGN. A STANDARD DISK, STAMPED B 208 1935 AND SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND. <p> <h2>STATION RECOVERY (1989) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1989 (TM) RECOVERED IN GOOD CONDITION. JT0639 B 209 http://www.geocaching.com/mark/details.asp?PID=JT0639 B 209 Geocache Geocache B 209 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 209</h1> <b> PID </b> JT0639 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> VALLEY FORD (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 38. (N) 122 54 56. (W) SCALED <br> <b> NAVD 88 </b> 19.38 (+/-2cm) 63.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.67 (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> 575,580. </td><td> 1,919,960. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 18.53 (m) 60.8 (f) RESET 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEH073439(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>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>CGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 2 MI N FROM VALLEY FORD. ON RIGHT OF WAY OF COUNTY ROAD FROM SEBASTOPOL TO VALLEY FORD. 22 FT. EAST OF CENTER LINE OF ROAD. 18 FT. NORTH OF FRAME GARAGE. JT0640 B 209 RESET http://www.geocaching.com/mark/details.asp?PID=JT0640 B 209 RESET Geocache Geocache B 209 RESET CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 209 RESET</h1> <b> PID </b> JT0640 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> VALLEY FORD (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 20 38. (N) 122 54 57. (W) SCALED <br> <b> NAVD 88 </b> 19.37 (+/-2cm) 63.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.67 (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> 575,580. </td><td> 1,919,940. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 18.53 (m) 60.8 (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: 10SEH073439(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 209 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>1959 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1985 </td><td>GOOD </td><td>USPSQD</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1959 2.1 MI N FROM VALLEY FORD. 0.5 MILE NORTHWEST ALONG STATE HIGHWAY 1 FROM THE POST OFFICE AT VALLEY FORD, THENCE 1.6 MILES NORTH ALONG THE OCCIDENTAL ROAD, 53 YARDS NORTH OF A FARM DRIVEWAY AT A SMALL WOODEN BRIDGE, 22.6 FEET EAST OF THE CENTERLINE OF THE ROAD, 17.3 FEET NORTH-NORTHWEST OF THE NORTHWEST CORNER OF A GARAGE, 1.4 FEET WEST OF A FENCE LINE, 1.1 FEET EAST OF A WHITE WOODEN WITNESS POST, AND ABOUT 1 FOOT LOWER THAN THE ROAD. THE CONCRETE POST PROJECTS 0.6 FOOT ABOVE GROUND. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1985 NOTES:-SMALL WOODEN BRIDGE HAS BEEN REPLACED WITH CORRIGATED IRON CULVERT. GARAGE HAS BEEN REMOVED, LOCATED 4 FEET EAST OF FENCE, NO WITNESS POST, CONCRETE POST HAS BEEN DAMAGE ABOUT THE MARK. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 MARK NOT FOUND. JT1140 B 238 http://www.geocaching.com/mark/details.asp?PID=JT1140 B 238 Geocache Geocache B 238 CGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 238</h1> <b> PID </b> JT1140 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> GUERNEVILLE (1997) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 35 41. (N) 122 52 57. (W) SCALED <br> <b> NAVD 88 </b> 32.084 (meters) 105.26 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -30.96 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 32.065 (meters) 105.20 (feet) COMP <br> <b> MODELED GRAV</b> 980,031.2 (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> 603,390. </td><td> 1,923,120. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (12/02/92) 31.211 (m) 102.40 (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: 10SEH102718(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 238 1935 <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>1935 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1960 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1975 </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 1960 1.7 MI SW FROM HEALDSBURG. 1.7 MILES SOUTHWEST ALONG THE FORESTVILLE ROAD FROM THE NORTHWESTERN PACIFIC RAILROAD STATION AT HEALDSBURG, SONOMA COUNTY, AT THE JUNCTION OF A ROAD LEADING WEST TO VENADO, 63 FEET SOUTH OF THE CENTERLINE OF THE VENADO ROAD, 40 FEET WEST OF THE CENTERLINE OF THE FORESTVILLE ROAD, 1.5 FEET EAST OF A WOODEN WITNESS POST, A STANDARD DISK STAMPED B 238 1935 SET IN THE TOP OF A CONCRETE POST THAT PROJECTS 0.4 FOOT ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1975) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1975 1.55 MILES SOUTHWEST ALONG MILL STREET AND WESTSIDE ROAD FROM THE JUNCTION OF HEALDSBURG AVENUE AT HEALDSBURG, AT THE JUNCTION OF MILL CREEK ROAD LEADING NORTH, 48.5 FEET SOUTHWEST OF THE CENTER OF WEST SIDE ROAD AND THE SOUTHERN MOST ENTRANCE OF MILL CREEK ROAD, 37 FEET WEST-NORTHWEST OF THE CENTERLINE OF WESTSIDE ROAD, 49 FEET SOUTH-SOUTHWEST OF THE CENTERLINE OF THE SOUTHERN MOST ENTRANCE TO MILL CREEK ROAD, 2 FEET NORTH OF A WIRE FENCE, 1.5 EAST OF A WOODEN WITNESS POST, A DISK IN THE TOP OF A CONCRETE POST PROJECTING 0.4 OF A FOOT, AND ABOUT LEVEL WITH WESTSIDE ROAD. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. A NEW DESCRIPTION FOLLOWS. 24.8 KM (15.40 MI) NORTHERLY ALONG U.S. HIGHWAY 101 FROM THE JUNCTION OF STATE HIGHWAY 12 IN SANTA ROSA, THENCE 2.1 KM (1.30 MI) SOUTHWESTERLY ALONG WESTSIDE ROAD, 15.7 M (51.5 FT) SOUTH OF THE CENTERLINE OF MILL CREEK ROAD, 11.0 M (36.1 FT) WEST OF THE CENTERLINE OF THE ROAD, AND 7.8 M (25.6 FT) EAST OF THE CENTER OF A PRIVATE DRIVEWAY. THE MARK IS 0.5 METERS E FROM A WITNESS POST THE MARK IS 0.4 M ABOVE THE ROAD. JT0888 B 239 http://www.geocaching.com/mark/details.asp?PID=JT0888 B 239 Geocache Geocache B 239 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 239</h1> <b> PID </b> JT0888 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> CAMP MEEKER (1971) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 29 48. (N) 122 52 40. (W) SCALED <br> <b> NAVD 88 </b> 20.51 (+/-2cm) 67.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.25 (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> 592,510. </td><td> 1,923,430. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 19.64 (m) 64.4 (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: 10SEH106609(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 239 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>1960 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1935 2.4 MI NE FROM FORESTVILLE. 2.4 MILES NORTHEAST ALONG THE HEALDSBURG ROAD FROM FORESTVILLE, SONOMA COUNTY, 0.9 MILE SOUTH OF A STEEL BRIDGE OVER RUSSIAN RIVER, 80 YARDS SOUTHWEST OF A LARGE WHITEWASHED HOPS KILN, AT THE NORTHEAST CORNER OF A LARGE HOPS FIELD, AND 20 FEET SOUTHWEST OF THE CENTERLINE OF THE ROAD. A STANDARD DISK, STAMPED B 239 1935 AND SET IN THE TOP OF A CONCRETE POST. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1960 MARK NOT FOUND. JT0278 B 30 RESET http://www.geocaching.com/mark/details.asp?PID=JT0278 B 30 RESET Geocache Geocache B 30 RESET USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 30 RESET</h1> <b> PID </b> JT0278 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 09 06. (N) 122 26 51. (W) SCALED <br> <b> NAVD 88 </b> 4.50 (+/-2cm) 14.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.94 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS I (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> 553,940. </td><td> 1,960,770. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 3.71 (m) 12.2 (f) COMPUTED 1 1 <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: 10SEH484227(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 30 1930 RESET 1950 <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>1950 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1950 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>USGS</td></tr><tr><td>1970 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1987 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1950 AT SEARS POINT. AT SEARS POINT, 0.1 MILE EAST OF THE JUNCTION OF STATE HIGHWAY 37 AND STATE HIGHWAY 48, AT A POINT WHERE THE NORTHWESTERN PACIFIC RAILROAD CROSSES STATE HIGHWAY 48, 72.3 FEET WEST OF THE NORTHWEST CORNER OF BRIDGE 20-90 OVER TOLAY CREEK, 64.0 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY, 47.0 FEET EAST OF THE EAST RAIL, 1.9 FEET NORTHWEST OF A WITNESS POST, ABOUT 1.0 FOOT HIGHER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.8 FOOT ABOVE THE GROUND. NOTE-- THIS MARK WAS RESET BY THE U.S. COAST AND GEODETIC SURVEY IN NOVEMBER 1950. <p> <h2>STATION RECOVERY (1967) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1967 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1970) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1987) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987 THERE HAS BEEN CONSTRUCTION AT THE DESCRIBED LOCATION, AND THERE IS A LARGE DITCH AT THIS LOCATION. JT1395 B 631 http://www.geocaching.com/mark/details.asp?PID=JT1395 B 631 Geocache Geocache B 631 CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>B 631</h1> <b> PID </b> JT1395 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> ARCHED ROCK (1977) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 29 28. (N) 123 11 39. (W) SCALED <br> <b> NAVD 88 </b> 97.37 (+/-2cm) 319.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.87 (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> 592,200. </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) 96.504 (m) 316.61 (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: 10SDH830603(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: B 631 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>1972 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 4.1 MI SE FROM FORT ROSS. 4.1 MILES SOUTHEAST ALONG STATE HIGHWAY 1 FROM FORT ROSS, SONOMA COUNTY, ON THE ONLY PLOT OF GROUND PROTRUDING FROM THE HIGHWAY NEAR THIS SPOT, IN THE TOP OF A BOULDER, AND NEAR A WHITE WOODEN WITNESS POST. A STANDARD DISK, STAMPED B 631 1942. NOTE-- THE HIGHWAY HAS BEEN WIDENED FOR A PARKING AREA, IT IS FELT THAT THE MARK IS EITHER BURIED OR DESTROYED. <p> <h2>STATION RECOVERY (1972) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1972 MARK NOT FOUND. JT2378 BARN 1 SOUTH GABLE http://www.geocaching.com/mark/details.asp?PID=JT2378 BARN 1 SOUTH GABLE Geocache Geocache BARN 1 SOUTH GABLE Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BARN 1 SOUTH GABLE</h1> <b> PID </b> JT2378 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 10 31.54994(N) 122 24 53.94071(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -2.42 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -31.94 (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> 556,560.162 1</td><td>963,636.664</td><td> MT </td><td>1.00003954</td><td> -0 ' 15 41.9"</td></tr><tr><td>SPC CA 2 </td><td>1,825,981.13 6</td><td>442,364.62 </td><td> sFT </td><td>1.00003954</td><td> -0 ' 15 41.9"</td></tr><tr><td>SPC CA 3 </td><td> 687,660.820 1</td><td>832,222.756</td><td> MT </td><td>0.99995654</td><td> -1 ' 10 20.7"</td></tr><tr><td>SPC CA 3 </td><td>2,256,100.54 6</td><td>011,217.49 </td><td> sFT </td><td>0.99995654</td><td> -1 ' 10 20.7"</td></tr><tr><td>UTM 10 </td><td>4,225,441.381 </td><td>551,240.497</td><td> MT </td><td>0.99963234</td><td> +0 ' 21 41.7"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 10 31.54961(N) 122 24 53.94454(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 10 31.82000(N) 122 24 50.03000(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: 10SEH5124025441(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>UNK </td><td>MONUMENTED</td><td>Report By</td></tr><tr><td>1950 </td><td>SEE DESCRIPTION </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1950 THIS BARN HAS BEEN TORN DOWN. JT2385 BARN GAL IRON ROOF WEST GABLE http://www.geocaching.com/mark/details.asp?PID=JT2385 BARN GAL IRON ROOF WEST GABLE Geocache Geocache BARN GAL IRON ROOF WEST GABLE CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BARN GAL IRON ROOF WEST GABLE</h1> <b> PID </b> JT2385 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> SEARS POINT (1968) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 13 52.43320(N) 122 27 18.97865(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -1.79 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -31.71 (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> 562,771.105 1</td><td>960,137.420</td><td> MT </td><td>1.00002472</td><td> -0 ' 17 13.3"</td></tr><tr><td>SPC CA 2 </td><td>1,846,358.20 6</td><td>430,884.19 </td><td> sFT </td><td>1.00002472</td><td> -0 ' 17 13.3"</td></tr><tr><td>SPC CA 3 </td><td> 693,926.129 1</td><td>828,822.883</td><td> MT </td><td>0.99996422</td><td> -1 ' 11 49.5"</td></tr><tr><td>SPC CA 3 </td><td>2,276,655.97 6</td><td>000,063.08 </td><td> sFT </td><td>0.99996422</td><td> -1 ' 11 49.5"</td></tr><tr><td>UTM 10 </td><td>4,231,611.386 </td><td>547,675.286</td><td> MT </td><td>0.99962799</td><td> +0 ' 20 13.6"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 13 52.42595(N) 122 27 18.97659(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 13 52.72724(N) 122 27 15.04959(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: 10SEH4767531611(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>1960 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 (EHP) A NO-CHECK INTERSECTION STATION CUT IN USING FOUR POSITIONS OF A 7-INCH THEODOLITE, TO BE USED FOR AIR-PHOTO HORIZONTAL CONTROL. <p>STATION IS THE W GABLE OF A LARGE GALVANIZED-IRON BARN ON E SIDE OF STATE HIGHWAY 37 AND ABOUT 650 METERS S OF A FOUR-WAY INTERSECTION. THIS STATION WAS NOT MARKED. <p> <h2>STATION RECOVERY (1960) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (IRR) THE STATION WAS RECOVERED IN GOOD CONDITION AND THE 1942 DESCRIPTION IS ADEQUATE WITH THE FOLLOWING ADDITIONS-- <p>THE STATION IS LOCATED IN THE SONOMA VALLEY NEAR THE SOUTH END OF MAFFEI ROAD, 0.45 MILE SOUTH-SOUTHEAST OF ITS INTERSECTION WITH STATE HIGHWAY 37 AND 1/2 MILE SOUTHEAST OF THE 4-WAY INTERSECTION AT THE VILLAGE OF BIG BEND. <p>THE STATION IS ALSO LISTED AS--BARN, G. I. ROOF, GABLE, WEST JT2815 BAY WHITE TOWER http://www.geocaching.com/mark/details.asp?PID=JT2815 BAY WHITE TOWER Geocache Geocache BAY WHITE TOWER Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BAY WHITE TOWER</h1> <b> PID </b> JT2815 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 19 52.19131(N) 123 02 49.34599(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 7.02 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -32.03 (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> 574,291.494 1</td><td>908,452.928</td><td> MT </td><td>1.00000049</td><td> -0 ' 39 36.5"</td></tr><tr><td>SPC CA 2 </td><td>1,884,154.68 6</td><td>261,315.98 </td><td> sFT </td><td>1.00000049</td><td> -0 ' 39 36.5"</td></tr><tr><td>SPC CA 3 </td><td> 706,260.607 1</td><td>777,328.795</td><td> MT </td><td>0.99998035</td><td> -1 ' 33 33.8"</td></tr><tr><td>SPC CA 3 </td><td>2,317,123.34 5</td><td>831,119.55 </td><td> sFT </td><td>0.99998035</td><td> -1 ' 33 33.8"</td></tr><tr><td>UTM 10 </td><td>4,242,560.467 </td><td>495,888.607</td><td> MT </td><td>0.99960021</td><td> -0 ' 01 45.0"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 19 52.18324(N) 123 02 49.35087(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 19 52.48800(N) 123 02 45.33900(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: 10SDH9588942560(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>UNK </td><td>MONUMENTED</td><td>Report By</td></tr><tr><td>1956 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1959 </td><td>SEE DESCRIPTION </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 1956 (FN) STATION IS THE APEX OF A PYRAMIDAL ROOF OF A WHITE WOODEN TANK HOUSE IN BODEGA BAY ON THE WEST SIDE OF STATE HIGHWAY 1 ABOUT 800 FEET SOUTH OF THE BODEGA BAY POST OFFICE. <p> <h2>STATION RECOVERY (1959) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 (JCM) THE STATION WAS RECOVERED IN GOOD CONDITION AND THE 1956 DESCRIPTION IS ADEQUATE. THE STATION IS ALSO LISTED AS--BAY, WHITE TOWER. <p> <h2>STATION RECOVERY (1964) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1964 (FN) RECOVERED IN GOOD CONDITION AS DESCRIBED BY F.N. IN 1956. ALSO LISTED AS BODEGA BAY, WHITE TOWER. AE9160 BB 1 http://www.geocaching.com/mark/details.asp?PID=AE9160 BB 1 Geocache Geocache BB 1 LOCSUR LOCSUR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BB 1</h1> <b> PID </b> AE9160 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 18 21.49443(N) 123 03 27.92286(W) ADJUSTED <br> <b> NAVD 88 </b> 5.8 (meters) 19. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,733,654.613 (meters) COMP <br> <b> Y </b> -4,200,183.624 (meters) COMP <br> <b> Z </b> 3,932,134.609 (meters) COMP <br> <b> LAPLACE CORR</b> 6.84 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> -26.23 (meters) (04/22/98) GPS OBS <br> <b> GEOID HEIGHT</b> -32.14 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <b> ELLP ORDER </b> FOURTH CLASS I <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 1998. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 571,505.973 1</td><td>907,483.495</td><td> MT </td><td>1.00000632</td><td> -0 ' 40 00.8"</td></tr><tr><td>SPC CA 2 </td><td>1,875,015.85 6</td><td>258,135.43 </td><td> sFT </td><td>1.00000632</td><td> -0 ' 40 00.8"</td></tr><tr><td>UTM 10 </td><td>4,239,765.566 </td><td>494,950.288</td><td> MT </td><td>0.99960031</td><td> -0 ' 02 08.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000412 x 1.00000632 = 1.00001044 <br> <b>UTM 10 </b> 1.00000412 x 0.99960031 = 0.99960442 <br> <p> <h2>Superseded Survey Control</h2> <p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SDH9495039766(NAD 83) <br>MARKER: A = ALUMINUM MARKER <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: BB 1 <br>MARK LOGO: LOCSUR <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 SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1992 </td><td>MONUMENTED </td><td>LOCSUR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1992 (CG) TO REACH THE STATION FROM THE INTERSECTION OF BAY FLAT ROAD AND EASTSHORE ROAD TRAVEL SOUTHWEST ON WESTSHORE ROAD 3.2 MI (5.1 KM) TO A GATE AT A DIRT PARKING LOT AS WESTSHORE ROAD STARTS TO HAIRPIN TURN UP A HILL. THE STATION, AN ALUMINUM DISK, IS 25 FT (7.6 M) EAST OF THE GATE. AE9161 BB 2 http://www.geocaching.com/mark/details.asp?PID=AE9161 BB 2 Geocache Geocache BB 2 LOCSUR LOCSUR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BB 2</h1> <b> PID </b> AE9161 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 18 47.25725(N) 123 03 39.64151(W) ADJUSTED <br> <b> NAVD 88 </b> 3.8 (meters) 12. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,733,623.728 (meters) COMP <br> <b> Y </b> -4,199,614.268 (meters) COMP <br> <b> Z </b> 3,932,756.669 (meters) COMP <br> <b> LAPLACE CORR</b> 6.93 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> -28.26 (meters) (04/22/98) GPS OBS <br> <b> GEOID HEIGHT</b> -32.13 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <b> ELLP ORDER </b> FOURTH CLASS I <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 1998. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 572,303.613 1</td><td>907,208.068</td><td> MT </td><td>1.00000464</td><td> -0 ' 40 08.2"</td></tr><tr><td>SPC CA 2 </td><td>1,877,632.77 6</td><td>257,231.80 </td><td> sFT </td><td>1.00000464</td><td> -0 ' 40 08.2"</td></tr><tr><td>UTM 10 </td><td>4,240,559.802 </td><td>494,666.207</td><td> MT </td><td>0.99960035</td><td> -0 ' 02 16.2"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000443 x 1.00000464 = 1.00000907 <br> <b>UTM 10 </b> 1.00000443 x 0.99960035 = 0.99960478 <br> <p> <h2>Superseded Survey Control</h2> <p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SDH9466640560(NAD 83) <br>MARKER: A = ALUMINUM MARKER <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: BB 2 <br>MARK LOGO: LOCSUR <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 SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1992 </td><td>MONUMENTED </td><td>LOCSUR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1992 (JEL) TO REACH THE STATION FROM THE INTERSECTION OF BAY FLAT ROAD AND EASTSHORE ROAD TRAVEL SOUTHWEST ON WESTSHORE ROAD FOR 2.55 MI (4.10 KM) TO THE STATION, AN ALUMINUM DISK, 7 FT (2.1 M) FROM THE EAST SIDE OF THE EDGE OF PAVEMENT. AE9162 BB 3 http://www.geocaching.com/mark/details.asp?PID=AE9162 BB 3 Geocache Geocache BB 3 LOCSUR LOCSUR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BB 3</h1> <b> PID </b> AE9162 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 19 08.88086(N) 123 03 18.59965(W) ADJUSTED <br> <b> NAVD 88 </b> 3.1 (meters) 10. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,732,969.546 (meters) COMP <br> <b> Y </b> -4,199,546.221 (meters) COMP <br> <b> Z </b> 3,933,279.397 (meters) COMP <br> <b> LAPLACE CORR</b> 6.79 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> -28.90 (meters) (04/22/98) GPS OBS <br> <b> GEOID HEIGHT</b> -32.09 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <b> ELLP ORDER </b> FOURTH CLASS I <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 1998. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 572,964.362 1</td><td>907,726.964</td><td> MT </td><td>1.00000325</td><td> -0 ' 39 54.9"</td></tr><tr><td>SPC CA 2 </td><td>1,879,800.58 6</td><td>258,934.21 </td><td> sFT </td><td>1.00000325</td><td> -0 ' 39 54.9"</td></tr><tr><td>UTM 10 </td><td>4,241,225.957 </td><td>495,177.587</td><td> MT </td><td>0.99960029</td><td> -0 ' 02 03.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000453 x 1.00000325 = 1.00000778 <br> <b>UTM 10 </b> 1.00000453 x 0.99960029 = 0.99960482 <br> <p> <h2>Superseded Survey Control</h2> <p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SDH9517841226(NAD 83) <br>MARKER: A = ALUMINUM MARKER <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: BB 3 <br>MARK LOGO: LOCSUR <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 SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1992 </td><td>MONUMENTED </td><td>LOCSUR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1992 (JEL) TO REACH THE STATION FROM THE INTERSECTION OF BAY FLAT ROAD AND EASTSHORE ROAD TRAVEL SOUTHWEST ON WESTSHORE ROAD 2.0 MI (3.2 KM) TO BB 3. THE STATION IS AN ALUMINUM DISK STAMPED BB 3 . AE9163 BB 4 http://www.geocaching.com/mark/details.asp?PID=AE9163 BB 4 Geocache Geocache BB 4 LOCSUR LOCSUR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BB 4</h1> <b> PID </b> AE9163 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> BODEGA HEAD (1972) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 19 59.14271(N) 123 03 04.83017(W) ADJUSTED <br> <b> NAVD 88 </b> 2.7 (meters) 9. (feet) GPS OBS <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,732,164.877 (meters) COMP <br> <b> Y </b> -4,198,922.860 (meters) COMP <br> <b> Z </b> 3,934,494.953 (meters) COMP <br> <b> LAPLACE CORR</b> 7.10 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> -29.27 (meters) (04/22/98) GPS OBS <br> <b> GEOID HEIGHT</b> -32.03 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <b> ELLP ORDER </b> FOURTH CLASS I <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 1998. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by GPS observations and a high-resolution geoid model. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 574,510.161 1</td><td>908,079.356</td><td> MT </td><td>1.00000005</td><td> -0 ' 39 46.2"</td></tr><tr><td>SPC CA 2 </td><td>1,884,872.09 6</td><td>260,090.35 </td><td> sFT </td><td>1.00000005</td><td> -0 ' 39 46.2"</td></tr><tr><td>UTM 10 </td><td>4,242,774.922 </td><td>495,512.800</td><td> MT </td><td>0.99960025</td><td> -0 ' 01 54.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000459 x 1.00000005 = 1.00000464 <br> <b>UTM 10 </b> 1.00000459 x 0.99960025 = 0.99960484 <br> <p> <h2>Superseded Survey Control</h2> <p>No superseded survey control is available for this station. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10SDH9551342775(NAD 83) <br>MARKER: A = ALUMINUM MARKER <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: BB 4 <br>MARK LOGO: LOCSUR <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 SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1992 </td><td>MONUMENTED </td><td>LOCSUR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1992 (JEL) TO REACH THE STATION FROM THE INTERSECTION OF BAY FLAT ROAD AND EASTSHORE ROAD, TRAVEL SOUTHERLY ON BAY FLAT ROAD FOR 0.2 MI, (0.3 KM) THE STATION, AN ALUMINUM DISK, IS AT THE END OF THE ROAD. JT2427 BENNETT http://www.geocaching.com/mark/details.asp?PID=JT2427 BENNETT Geocache Geocache BENNETT CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BENNETT</h1> <b> PID </b> JT2427 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> KENWOOD (1980) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 24 47.61529(N) 122 37 29.90513(W) ADJUSTED <br> <b> NAVD 88 </b> 581.9 (meters) 1909. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 4.16 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -31.08 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 583,060.915 1</td><td>945,417.843</td><td> MT </td><td>0.99998284</td><td> -0 ' 23 38.5"</td></tr><tr><td>SPC CA 2 </td><td>1,912,925.69 6</td><td>382,591.71 </td><td> sFT </td><td>0.99998284</td><td> -0 ' 23 38.5"</td></tr><tr><td>UTM 10 </td><td>4,251,731.549 </td><td>532,740.749</td><td> MT </td><td>0.99961320</td><td> +0 ' 13 58.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99991358 x 0.99998284 = 0.99989643 <br> <b>UTM 10 </b> 0.99991358 x 0.99961320 = 0.99952682 <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> TAYLOR RESET </td><td>252&deg; 37' 43.8"</td></tr><tr><td>UTM 10 </td><td> TAYLOR RESET </td><td>252&deg; 00' 06.4"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DB4140</td><td>BENNETT RM 1 </td><td> 4.490 METERS</td><td>152&deg; 00' </td></tr><tr><td>JT2475</td><td>TAYLOR RESET </td><td>APPROX. 4.6 KM</td><td>252&deg; 14' 05.3"</td></tr><tr><td>DB4141</td><td>BENNETT RM 2 </td><td> 8.112 METERS</td><td>326&deg; 10' </td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 24 47.60866(N) 122 37 29.90051(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 24 47.92500(N) 122 37 25.95700(W) AD( ) 2 <br> NGVD 29 (07/19/86) 581.0 (m) 1906. (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: 10SEH3274151732(NAD 83) <br>MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1956 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1957 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1969 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1985 </td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1956 (NES) THE STATION IS LOCATED ABOUT 5.0 MILES SOUTHEAST OF SANTA ROSA, ON THE HIGHEST POINT OF A BRUSH AND TIMBER COVERED HILL KNOWN AS BENNETT MTN. THE PROPERTY IS OWNED BY MR. W.R. CARITHERS OF SANTA ROSA. <p>TO REACH FROM THE COURTHOUSE SQUARE IN SANTA ROSA, GO SOUTH ON 101 BUSINESS ROUTE (SANTA ROSA AVE.) FOR 0.6 MILE TO BENNETT AVE, TURN LEFT AND GO EAST ON BENNETT AVE AND BENNETT VALLEY ROAD FOR 6.05 MILE TO A T ROAD, TURN LEFT AND CONTINUE ON THE BENNETT VALLEY ROAD FOR 2.2 MILE TO A MAIL BOX (T.G. PLANT BOX NO. 7300) AND A GATE ON THE LEFT, TURN LEFT THRU GATE AND GO 0.4 MILE TO THE T.G. PLANT FARM HOME AND A WOODEN GATE IN THE NORTHWEST CORNER OF FARM YARD, GO THRU GATE AND FOLLOW MAIN TRAVELED DIRT ROAD FOR 0.1 MILE TO A WIRE GATE, CONTINUE 0.15 MILE TO WIRE GATE, CONTINUE 0.4 MILE TO WIRE GATE, CONTINUE 0.4 MILE TO ANOTHER WIRE GATE, CONTINUE 0.4 MILE TO A ROCK WALL ON THE RIGHT AND A HOGWIRE FENCE GATE, CONTINUE ALONG SOUTH SIDE OF ROCK WALL FENCE FOR 0.15 MILE TO THE END OF ROCK WALL AND GROVE OF TREES, TURN SHARP RIGHT THRU WIRE GATE THEN SHARP LEFT ALONG NORTH SIDE OF WIRE FENCE FOR 1.65 MILE TO A WIRE GATE, GO THRU GATE AND TURN SHARP RIGHT UP BLADED TRUCK TRAIL AND GO 0.4 MILE TO THE SECOND HIGHEST POINT (WERE TRUCK TRAIL DROPS OFF SHARP TO THE WEST). THE STATION IS ABOUT 125 FEET SOUTH OF ROAD. <p>THE STATION MARK IS SET IN THE WESTERLY OF THE TWO POINTS ON THE TOP OF THE MTN. IT IS A STANDARD DISK SET FLUSH WITH THE GROUND SURFACE AND IT IS STAMPED BENNETT 1956. <p>REFERENCE MARK NO. 1 IS A STANDARD DISK SET IN A DRILL HOLE IN A BOULDER WHICH PROJECTS ABOUT 8 INCHES. IT IS STAMPED BENNETT NO 1 1956. <p>REFERENCE MARK NO. 2 IS A STANDARD DISK SET IN A DRILL HOLE IN A BOULDER WHICH PROJECTS ABOUT 20 INCHES. IT IS STAMPED BENNETT NO 2 1956. <p>AZIMUTH MARK STATION TAYLOR (USGS) 1949 WAS USED AS THE AZIMUTH AND IT IS THE ONLY OBJECT VISIBLE FROM THE GROUND, TO REACH SEE STATION DESCRIPTION. <p>NOTE--A FOUR WHEEL DRIVE IS NEEDED FOR THE LAST 0.4 MILE TO STATION BENNETT. <p> <h2>STATION RECOVERY (1957) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1957 (RLE) THE STATION AND ALL MARKS WERE RECOVERED AS DESCRIBED AND FOUND TO BE IN GOOD CONDITION. THE ORIGINAL DESCRIPTION IS ADEQUATE. <p> <h2>STATION RECOVERY (1969) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1969 (LS) THE STATION MARK AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION AND THE 1956 DESCRIPTION IS ADEQUATE. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 1985 (TMC) BENNETT 1956 RECOVERED IN GOOD CONDITION - AREA NOW HEAVILY WOODED. <p>BENNETT NO 1 1956 SITE VISITED. DISC MISSING, STEM REMAINS IN THE DRILLHOLE. <p>BENNETT NO 2 1956 SITE VISITED - DISC MISSING. STEM REMAINS IN DRILL HOLE. EVIDENCE WOULD INDICATE THAT THE DISC WAS PRIED OFF. JT2754 BIG MOUNTAIN http://www.geocaching.com/mark/details.asp?PID=JT2754 BIG MOUNTAIN Geocache Geocache BIG MOUNTAIN CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BIG MOUNTAIN</h1> <b> PID </b> JT2754 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> TOMBS CREEK (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 42 37.19820(N) 123 08 41.83570(W) ADJUSTED <br> <b> NAVD 88 </b> 816.3 (meters) 2678. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.90 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -30.85 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 616,480.031 1</td><td>900,422.605</td><td> MT </td><td>0.99993589</td><td> -0 ' 43 18.7"</td></tr><tr><td>SPC CA 2 </td><td>2,022,568.24 6</td><td>234,969.83 </td><td> sFT </td><td>0.99993589</td><td> -0 ' 43 18.7"</td></tr><tr><td>UTM 10 </td><td>4,284,642.676 </td><td>487,397.127</td><td> MT </td><td>0.99960196</td><td> -0 ' 05 26.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 0.99987677 x 0.99993589 = 0.99981267 <br> <b>UTM 10 </b> 0.99987677 x 0.99960196 = 0.99947878 <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> LEDFORD </td><td>059&deg; 37' 14.1"</td></tr><tr><td>UTM 10 </td><td> LEDFORD </td><td>058&deg; 59' 21.7"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JT2743</td><td>LEDFORD </td><td>APPROX. 5.3 KM</td><td>058&deg; 53' 55.4"</td></tr><tr><td>DB4150</td><td>BIG MOUNTAIN RM 1 </td><td> 10.875 METERS</td><td>091&deg; 53' </td></tr><tr><td>DB4151</td><td>BIG MOUNTAIN RM 2 </td><td> 19.558 METERS</td><td>161&deg; 23' </td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 42 37.19425(N) 123 08 41.83298(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 42 37.50700(N) 123 08 37.80700(W) AD( ) 2 <br> NGVD 29 (07/19/86) 815.4 (m) 2675. (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: 10SDH8739784643(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>1949 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1961 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1949 (WRH) THE STATION IS LOCATED ON A ROUND TOPPED HILL THAT HAS TREES AROUND THE SIDE AND THE TOP IS BARE, 15 MILES EAST NORTHEAST OF BLACK POINT, 10 MILES EAST OF ANNAPOLIS AND 7 MILES WEST OF SKAGGS SPRINGS. IT IS ON THE HIGHEST POINT. <p>STATION MARK, STAMPED BIG MTN 1938, IS A STANDARD USFS BRONZE DISK SET IN AN IRREGULAR MASS OF CONCRETE THAT IS FLUSH WITH THE GROUND. <p>REFERENCE MARK NUMBER 1, STAMPED NO 1 1941, IS A STANDARD USGS REFERENCE MARK DISK SET IN THE TOP OF A PRECAST CONCRETE POST THAT PROJECTS 10 INCHES ABOVE THE GROUND AND IS 18 INCHES LOWER THAN THE STATION. <p>REFERENCE MARK NUMBER 2, STAMPED NO 2 1941, IS A STANDARD USGS REFERENCE MARK DISK SET IN THE TOP OF A PRECAST CONCRETE POST THAT PROJECTS 4 INCHES ABOVE THE GROUND AND IS 4 FEET LOWER THAN THE STATION. <p>STATION LEDFORD CAN BE USED FOR AN AZIMUTH MARK. TO REACH SEE THE DESCRIPTION FOR LEDFORD. <p>THE STATION IS REACHED AS FOLLOWS--FROM THE SWIMMING POOL IN SKAGGS SPRINGS, GO WEST ON PAVED ROAD TOWARDS STEWART POINT FOR 4.1 MILES TO A CEMENT BRIDGE OVER WARM SPRINGS. AFTER CROSSING BRIDGE TURN SHARP RIGHT ON DIRT ROAD AND GO 1.0 MILE. TURN LEFT AND GO 100 FEET TO LOCKED GATE (KEY CAN BE OBTAINED FROM MR. BAXTER AT THE WHITE RANCH WHICH IS ABOUT 1.0 MILE BEFORE REACHING THE WARM SPRING BRIDGE). FROM GATE CONTINUE UP GRADE ON DIRT ROAD FOR 5.0 MILES TO A LARGE PINE TREE WITH TWO BLAZED TRIANGLES ON THE EAST AND NORTH SIDES. TURN LEFT, SOUTH, ON DIM TRACK ROAD AND GO 1.5 MILES TO THE HIGHEST POINT OF HILL AND STATION. <p> <h2>STATION RECOVERY (1961) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 (IRR) THE STATION MARK AND REFERENCE MARKS WERE RECOVERED IN GOOD CONDITION AND THE 1949 DESCRIPTION IS ADEQUATE EXCEPT THE STATION MARK WAS FOUND STAMPED F.S.M. BIG MTN. ELEVATION FEET 1938, REFERENCE MARK NUMBER 1 WAS FOUND STAMPED NO 1 1942, AND REFERENCE MARK NUMBER 2 WAS FOUND STAMPED NO 2 1942. JT2787 BIHLER RESET http://www.geocaching.com/mark/details.asp?PID=JT2787 BIHLER RESET Geocache Geocache BIHLER RESET USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BIHLER RESET</h1> <b> PID </b> JT2787 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> STEWARTS POINT (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 40 44.36384(N) 123 25 55.65054(W) ADJUSTED <br> <b> NAVD 88 </b> 18.1 (meters) 59. (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 9.73 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -31.95 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 2 </td><td> 613,355.435 1</td><td>875,394.218</td><td> MT </td><td>0.99993959</td><td> -0 ' 54 10.5"</td></tr><tr><td>SPC CA 2 </td><td>2,012,316.96 6</td><td>152,855.86 </td><td> sFT </td><td>0.99993959</td><td> -0 ' 54 10.5"</td></tr><tr><td>UTM 10 </td><td>4,281,243.318 </td><td>462,412.959</td><td> MT </td><td>0.99961740</td><td> -0 ' 16 12.2"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 2 </b> 1.00000218 x 0.99993959 = 0.99994177 <br> <b>UTM 10 </b> 1.00000218 x 0.99961740 = 0.99961958 <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> DEL MARR </td><td>078&deg; 00' 45.4"</td></tr><tr><td>UTM 10 </td><td> DEL MARR </td><td>077&deg; 22' 47.1"</td></tr> </table> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>JT2783</td><td>DEL MARR </td><td>APPROX. 0.7 KM</td><td>077&deg; 06' 34.9"</td></tr><tr><td>DB4152</td><td>BIHLER RM 1 </td><td> 13.733 METERS</td><td>100&deg; 39' </td></tr><tr><td>JT2782</td><td>OFFLYING ROCK NW STEWARTS PT </td><td>APPROX. 3.1 KM</td><td>148&deg; 01' 18.1"</td></tr><tr><td>DB4153</td><td>BIHLER RM 2 </td><td> 2.871 METERS</td><td>187&deg; 52' </td></tr><tr><td>JT2889</td><td>SANDSTONE </td><td>APPROX. 9.9 KM</td><td>314&deg; 41' 35.9"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 40 44.37476(N) 123 25 55.64207(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 38 40 44.69055(N) 123 25 51.61256(W) AD( ) 2 <br> NGVD 29 (07/19/86) 17.2 (m) 56. (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: 10SDH6241381243(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>1876 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1929 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1930 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1942 </td><td>SEE DESCRIPTION </td><td>USGS</td></tr><tr><td>1961 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr><tr><td>1973 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr><tr><td>1977 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1876 (LAS) STATION IS ON THE EXTREME WESTERN POINT OF BIHLER OR BLACK POINT LANDING. <p>THE STATION WAS MARKED BY A STONE WITH A DRILL HOLE 1/2 TO 1-1/2 INCHES DEEP, BURIED 3 FEET BELOW THE SURFACE OF THE GROUND, AND THE THREE THEODOLITE STUBS WERE LEFT. IN MANY CASES A MOUND OF EARTH WAS MADE OVER THE STATION MAKING THE UNDERGROUND MARK ABOUT 6 FEET BELOW THE TOP OF THE MOUND. <p> <h2>STATION RECOVERY (1929) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1929 (FGE) STATION WAS RECOVERED AS DESCRIBED. IT IS LOCATED ON THE S POINT AND ON THE TOP OF THE KNOLL JUST W OF THE HIGHEST KNOLL ON THIS POINT. THE OLD STATION MARK WAS LEFT AS AN UNDERGROUND MARK. <p>SURFACE WAS MARKED BY A STANDARD DISK SET IN CONCRETE IN TOP OF TILE, AS DESCRIBED IN NOTE 6A, WITH ROCKS PILED ABOUT IT. <p> <h2>STATION RECOVERY (1930) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1930 (JHB) STATION RECOVERED AS DESCRIBED IN 1929. <p> <h2>STATION RECOVERY (1942) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1942 STATION FOUND AS DESCRIBED. <p>SIGNAL--BLACK AND WHITE CROSS-TARGETS ON 3 IN X 3 IN X 14-FT. POLE CENTERED OVER STATION MARK, A 4-FT. CAIRN BUILT AROUND BASE OF SIGNAL POLE. <p> <h2>STATION RECOVERY (1961) </h2> <p>RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1961 (IRR) REFERENCE MARK NUMBER 1 WAS RECOVERED IN GOOD CONDITION. THE SURFACE-STATION MARK WAS FOUND TILTED AND LOOSE IN THE GROUND SO IT WAS REMOVED AND THE UNDERGROUND-STATION MARK (A 3/8-INCH HOLE 3/4-INCH DEEP IN THE CENTER AND TOP OF A FLAT ROCK 2 FEET BELOW THE SURFACE OF THE GROUND) WAS RECOVERED IN GOOD CONDITION. A NEW SURFACE-STATION MARK AND REFERENCE MARK NUMBER 2 WERE SET ON THIS DATE. <p>THE STATION IS LOCATED ON A ROCKY POINT OF LAND KNOWN AS BIHLER OR BLACK POINT WHICH PROJECTS INTO THE OCEAN ABOUT 2-1/2 MILES AIRLINE NORTHWEST OF THE VILLAGE OF STEWARTS POINT AND 1/4 MILE SOUTHWEST OF STATE HIGHWAY 1. <p>TO REACH THE STATION FROM THE POST OFFICE AT STEWARTS POINT GO NORTHWEST ON STATE HIGHWAY 1 FOR 2.8 MILES TO A GATE ON THE LEFT. TURN LEFT, PASS THROUGH THE GATE, AND GO SOUTHWEST 0.15 MILE TO SOME FARM BUILDINGS. PACK SOUTHWEST ABOUT 300 YARDS TO THE END OF THE POINT AND THE STATION. <p>THE STATION MARK IS A C AND GS TRIANGULATION-STATION DISK STAMPED BIHLER POINT 1876 1961 SET IN THE TOP OF AN IRREGULAR MASS OF CONCRETE THAT IS FLUSH WITH THE SURROUNDING ROCKS. IT IS 26 FEET SOUTHWEST OF AND ABOUT 2 FEET LOWER THAN THE HIGHEST POINT. <p>REFERENCE MARK NUMBER 1 IS A C AND GS REFERENCE-MARK DISK CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 4 INCHES ABOVE THE SURROUNDING ROCKS AND IS ABOUT 4 FEET LOWER THAN THE STATION MARK. IT WAS FOUND STAMPED BIHLER 1876 AND WAS RESTAMPED BIHLER POINT NO 1 1876 1929 ON THIS DATE. <p>REFERENCE MARK NUMBER 2 IS A C AND GS REFERENCE-MARK DISK STAMPED BIHLER POINT NO 2 1876 1961 CEMENTED IN A DRILL HOLE IN OUTCROPPING BEDROCK THAT PROJECTS 2 FEET ABOVE THE SURROUNDING ROCKS AND IS ABOUT 1 FOOT LOWER THAN THE STATION MARK. <p>HEIGHT OF TRIPOD--1 METER. <p>NOTE--THE STATION IS ALSO LISTED AS--BIHLER 1876. <p> <h2>STATION RECOVERY (1973) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (RDM) THE STATION MARK AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION AS DESCRIBED WITH THE FOLLOWING ADDITIONS-- <p>THE STATION IS ON A LOW ROCKY POINT DIRECTLY BEHIND THE GROUP OF BUILDINGS THAT FORM SEA RANCH LODGE. <p>TO REACH THE STATION FROM THE GENERAL STORE IN STEWARTS POINT GO NORTHWEST ON STATE HIGHWAY 1 FOR 3.0 MILES TO A PAVED SIDE ROAD ON THE LEFT NAMED MOONRAKER ROAD AT MILE POST 51.03. TURN LEFT ON MOONRAKER AND GO 0.1 MILES TO A PAVED CROSS STREET NAMED BLACK POINT REACH. TURN LEFT ON BLACK POINT REACH AND IMMEDIATELY TURN LEFT AGAIN ONTO A GRAVELED ROAD WITH A WOODEN GATE. PASS THROUGH THE GATE AND FOLLOW THE GRAVELED ROAD FOR 0.27 MILES TO A FENCE WHERE THE ROAD TURNS RIGHT TO A PARKING AREA AND A LESSER ROAD GOES LEFT ALONG THE FENCE. TURN LEFT AND FOLLOW THE DIRT ROAD FOR 0.15 MILES TO A DIRT TRACK ON THE RIGHT DIRECTLY BEHIND SEA RANCH LODGE. TURN RIGHT AND FOLLOW THE TRACK THROUGH A NARROW OPENING IN A FENCE FOR 0.2 MILES TO A ROCKY POINT AND THE STATION. <p>THE STATION MARK ITSELF WAS IN GOOD CONDITION, BUT THE ROCK AND CONCRETE AROUND IT WAS BREAKING UP, SO A CIRCULAR MASS OF CONCRETE ABOUT 20 INCHES IN DIAMETER WAS PLACED AROUND THE DISK AT THIS TIME. <p>FOR PERMISSION TO ENTER AND DRIVE ON LESSER ROADS OF SEA RANCH PROPERTIES GO TO THE OFFICE AT 1000 ANNAPOLIS ROAD. TO REACH THE OFFICE FROM STATE HIGHWAY 1 (MILE POST 51.94 SON) AND ANNAPOLIS ROAD, GO NORTH EASTERLY ON ANNAPOLIS FOR 0.4 MILES TO A DRIVEWAY AND THE OFFICE ON THE RIGHT. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--2.5 MILES NW OF THE VILLAGE OF STEWARTS POINT. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1977 (CLN) THE STATION MARK AND REFERENCE MARKS 1 AND 2 WERE RECOVERED IN GOOD CONDITION AND THE 1961 AND 1973 DESCRIPTIONS ARE ADEQUATE. <p>AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN 2-1/2 MILES NW OF STEWARTS POINT. JT2786 BLACK PT CHIM OF RANCH HOUSE http://www.geocaching.com/mark/details.asp?PID=JT2786 BLACK PT CHIM OF RANCH HOUSE Geocache Geocache BLACK PT CHIM OF RANCH HOUSE Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BLACK PT CHIM OF RANCH HOUSE</h1> <b> PID </b> JT2786 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> STEWARTS POINT (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 38 40 50.65616(N) 123 25 49.59898(W) ADJUSTED <br> <b> NAVD 88 </b> <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 9.70 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -31.93 (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> 613,547.126 1</td><td>875,543.519</td><td> MT </td><td>0.99993938</td><td> -0 ' 54 06.7"</td></tr><tr><td>SPC CA 2 </td><td>2,012,945.86 6</td><td>153,345.70 </td><td> sFT </td><td>0.99993938</td><td> -0 ' 54 06.7"</td></tr><tr><td>UTM 10 </td><td>4,281,436.584 </td><td>462,560.086</td><td> MT </td><td>0.99961726</td><td> -0 ' 16 08.5"</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 38 40 50.66677(N) 123 25 49.59037(W) AD(1984.00) 4 <br> <b> NAD 27 </b> 38 40 50.94400(N) 123 25 45.56300(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: 10SDH6256081437(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>UNK </td><td>MONUMENTED</td><td>Report By</td></tr><tr><td>1961 </td><td>SEE DESCRIPTION </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1961 (IRR) THE RANCH HOUSE AND CHIMNEY HAVE BEEN TORN DOWN. STATION LOST. JT1115 BM 1=TBM http://www.geocaching.com/mark/details.asp?PID=JT1115 BM 1=TBM Geocache Geocache BM 1=TBM DOD Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BM 1=TBM</h1> <b> PID </b> JT1115 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> HEALDSBURG (1993) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 30 26. (N) 122 47 29. (W) SCALED <br> <b> NAVD 88 </b> 38.19 (+/-2cm) 125.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.16 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> ? (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 2 </td><td> 593,610. </td><td> 1,930,980. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 37.328 (m) 122.47 (f) ADJ UNCH ? <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: 10SEH181621(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: FIRE HYDRANT <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>DOD</td></tr><tr><td>1960 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1960 1 MI E FROM SONOMA COUNTY AIRPORT. 0.5 MILE EAST ALONG THE LONE REDWOOD ROAD FROM THE CONTROL TOWER AT THE SONOMA COUNTY AIRPORT, THENCE 0.25 MILE SOUTH ALONG FIRST STREET, THENCE 0.2 MILE EAST ALONG B STREET, AT ITS JUNCTION WITH SECOND STREET, 41.5 FEET EAST OF THE CENTERLINE OF SECOND STREET, 17 FEET SOUTH OF THE CENTERLINE OF B STREET, 31.3 FEET NORTHWEST OF THE NORTHWEST CORNER OF A BUILDING, AND ABOUT 3 FEET ABOVE THE LEVEL OF THE GROUND. THE TOP OF A FIRE HYDRANT, STAMPED BM 1. JT0764 BM CAP http://www.geocaching.com/mark/details.asp?PID=JT0764 BM CAP Geocache Geocache BM CAP DOD USE Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>BM CAP</h1> <b> PID </b> JT0764 <br> <b> STATE/COUNTY</b> CA/SONOMA <br> <b> USGS QUAD </b> PETALUMA (1981) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 38 14 07. (N) 122 38 06. (W) SCALED <br> <b> NAVD 88 </b> 3.93 (+/-2cm) 12.9 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -31.60 (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> 563,320. </td><td> 1,944,400. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) 3.104 (m) 10.18 (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: 10SEH319319(NAD 83) <br>MARKER: P = PIPE CAP <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>MARK LOGO: USE <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br&