Benchmark file generated by bmgpxbmgpx by Ron Parkerbmgpx@parkrrrr.comJT1138122http://www.geocaching.com/mark/details.asp?PID=JT1138122GeocacheGeocache122CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS 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Superseded Survey Control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Superseded values are not recommended for survey control.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 See file dsdata.txt to determine how the superseded data were derived.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. JT1272135 Mhttp://www.geocaching.com/mark/details.asp?PID=JT1272135 MGeocacheGeocache135 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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---. JT1276136 Mhttp://www.geocaching.com/mark/details.asp?PID=JT1276136 MGeocacheGeocache136 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT1277137 Mhttp://www.geocaching.com/mark/details.asp?PID=JT1277137 MGeocacheGeocache137 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT1216138 Mhttp://www.geocaching.com/mark/details.asp?PID=JT1216138 MGeocacheGeocache138 MCGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT1219139 Mhttp://www.geocaching.com/mark/details.asp?PID=JT1219139 MGeocacheGeocache139 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT1223140 Mhttp://www.geocaching.com/mark/details.asp?PID=JT1223140 MGeocacheGeocache140 MCGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT1225141 Mhttp://www.geocaching.com/mark/details.asp?PID=JT1225141 MGeocacheGeocache141 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT0631145http://www.geocaching.com/mark/details.asp?PID=JT0631145GeocacheGeocache145USGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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) JT115030 M RESEThttp://www.geocaching.com/mark/details.asp?PID=JT115030 M RESETGeocacheGeocache30 M RESETUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT114731 Mhttp://www.geocaching.com/mark/details.asp?PID=JT114731 MGeocacheGeocache31 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT129032 Mhttp://www.geocaching.com/mark/details.asp?PID=JT129032 MGeocacheGeocache32 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT128933 Mhttp://www.geocaching.com/mark/details.asp?PID=JT128933 MGeocacheGeocache33 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT084335 Mhttp://www.geocaching.com/mark/details.asp?PID=JT084335 MGeocacheGeocache35 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT083936 Mhttp://www.geocaching.com/mark/details.asp?PID=JT083936 MGeocacheGeocache36 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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---. JT084036 M RESEThttp://www.geocaching.com/mark/details.asp?PID=JT084036 M RESETGeocacheGeocache36 M RESETUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT083637 Mhttp://www.geocaching.com/mark/details.asp?PID=JT083637 MGeocacheGeocache37 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT083338 Mhttp://www.geocaching.com/mark/details.asp?PID=JT083338 MGeocacheGeocache38 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT075239http://www.geocaching.com/mark/details.asp?PID=JT075239GeocacheGeocache39USGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT083239 Mhttp://www.geocaching.com/mark/details.asp?PID=JT083239 MGeocacheGeocache39 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT064641.2http://www.geocaching.com/mark/details.asp?PID=JT064641.2GeocacheGeocache41.2USGSUnknown CacheRegular11United StatesCaliforniaNGS 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. JT064248 Mhttp://www.geocaching.com/mark/details.asp?PID=JT064248 MGeocacheGeocache48 MUSGSUnknown CacheRegular11United StatesCaliforniaNGS 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. JT07725http://www.geocaching.com/mark/details.asp?PID=JT07725GeocacheGeocache5USGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT089058http://www.geocaching.com/mark/details.asp?PID=JT089058GeocacheGeocache58USGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT062859 Mhttp://www.geocaching.com/mark/details.asp?PID=JT062859 MGeocacheGeocache59 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT142161 Mhttp://www.geocaching.com/mark/details.asp?PID=JT142161 MGeocacheGeocache61 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT140962 Mhttp://www.geocaching.com/mark/details.asp?PID=JT140962 MGeocacheGeocache62 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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. JT140564 Mhttp://www.geocaching.com/mark/details.asp?PID=JT140564 MGeocacheGeocache64 MUSGSUSGS Unknown CacheRegular11United StatesCaliforniaNGS 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)