Benchmark file generated by bmgpx bmgpx by Ron Parker bmgpx@parkrrrr.com DB1027 1 A 3 DSI http://www.geocaching.com/mark/details.asp?PID=DB1027 1 A 3 DSI Geocache Geocache 1 A 3 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1 A 3 DSI</h1> <b> PID </b> DB1027 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 32. (N) 115 31 32. (W) SCALED <br> <b> NAVD 88 </b> 0.518 (meters) 1.70 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.53 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 0.520 (meters) 1.71 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 560,370. </td><td> 2,067,920. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NAVD 88 (02/01/93) 0.518 (m) 1.70 (f) UNKNOWN 1 1 <br> NGVD 29 (??/??/92) -0.227 (m) -0.74 (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Superseded values are not recommended for survey control.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 See file dsdata.txt to determine how the superseded data were derived.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: 11SPS381199(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE HEADWALL <br>STAMPING: RCE 8013 1972 1-A-3 <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>1972 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.6 MI SOUTH FROM HEBER. 0.05 MILE EAST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 0.5 MILE SOUTH ALONG HEFFERNAN AVENUE, THENCE 0.1 MILE EAST ALONG FAWCETT ROAD, THENCE 1.0 MILE SOUTH ALONG WARE ROAD, 23 FT WEST OF THE CENTERLINE OF WARE ROAD, 39 FT SOUTH OF THE CENTERLINE OF JASPER ROAD, SET IN TOP AND 22 INCHES SOUTH OF THE NORTHEAST CORNER OF THE WEST HEADWALL OF A SIPHON UNDER WARE ROAD IN DOGWOOD CANAL. DB1040 1 A 6 DSI http://www.geocaching.com/mark/details.asp?PID=DB1040 1 A 6 DSI Geocache Geocache 1 A 6 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1 A 6 DSI</h1> <b> PID </b> DB1040 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 58. (N) 115 32 33. (W) SCALED <br> <b> NAVD 88 </b> -1.069 (meters) -3.51 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.52 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.070 (meters) -3.51 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,160. </td><td> 2,066,330. </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: 11SPS365207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE WINGWALL <br>STAMPING: RCE 8013 1972 1-A-6 <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>1972 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.8 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 1.0 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2 TO DELIVERY GATE 7, 19 FT EAST OF THE CENTERLINE OF THE DIRT ROAD CROSSING DELIVERY 7, 88 FT NORTH OF THE CENTERLINE OF THE SOUTHERN MOST DIRT ROAD LEADING WEST, 22.3 FT NORTH OF THE CENTER OF DELIVERY GATE 7, SET IN TOP AND 26 INCHES NORTHEAST OF THE SOUTHWEST CORNER OF THE SOUTHWEST WINGWALL OF A CHECK IN DOGWOOD LATERAL 2 FOR DELIVERY GATE 7. DB1043 1 A 9 DSI http://www.geocaching.com/mark/details.asp?PID=DB1043 1 A 9 DSI Geocache Geocache 1 A 9 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1 A 9 DSI</h1> <b> PID </b> DB1043 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 58. (N) 115 33 05. (W) SCALED <br> <b> NAVD 88 </b> -1.686 (meters) -5.53 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.51 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.680 (meters) -5.51 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,160. </td><td> 2,065,500. </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: 11SPS357207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE HEADWALL <br>STAMPING: RCE 8013 1972 1-A-9 <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>1972 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 2.3 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 1.0 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2 TO DELIVERY GATE 7, THENCE 0.5 MILE WEST ALONG A DIRT ROAD TO DELIVERY GATES 5 AND 6, 16 FT NORTH OF THE CENTERLINE OF THE ROAD LEADING WEST 29 FT WEST OF THE EXTENDED CENTERLINE OF A DIRT ROAD LEADING SOUTH, 22 FT SOUTHWEST OF THE CENTER OF DELIVERY GATE 6, SET IN TOP AND CENTER OF THE EAST HEADWALL OF A SIPHON UNDER A FIELD ROAD OVER DELIVERY 5 IN DOGWOOD LATERAL 3. DB1024 1 DOR USGS http://www.geocaching.com/mark/details.asp?PID=DB1024 1 DOR USGS Geocache Geocache 1 DOR USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1 DOR USGS</h1> <b> PID </b> DB1024 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> PLASTER CITY (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 45 02. (N) 115 45 06. (W) SCALED <br> <b> NAVD 88 </b> -7.929 (meters) -26.01 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.22 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -7.920 (meters) -25.98 (feet) COMP <br> <b> MODELED GRAV</b> 979,511.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 564,870. </td><td> 2,046,700. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NAVD 88 (02/01/93) -7.923 (m) -25.99 (f) UNKNOWN 1 1 <br> NGVD 29 (??/??/92) -8.653 (m) -28.39 (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: 11SPS169243(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>STAMPING: 1 DOR 1978 <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>1978 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1981 </td><td>GOOD </td><td>IID</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY IMPERIAL IRRIGATION DISTRICT 1981 6.4 MI SW FROM SEELEY. ABOUT 2.5 MILES WEST ALONG EVAN HEWES HIGHWAY TO WESTSIDE ROAD FROM DREW ROAD IN SEELEY, THENCE ABOUT 2.25 MILES SOUTH ALONG WESTSIDE ROAD TO VAUGHN ROAD, THENCE ABOUT 0.9 MILE WEST ALONG VAUGHN ROAD TO HYDE ROAD, THENCE ABOUT 0.5 MILE SOUTH ALONG HYDE ROAD TO FOXGLOVE LATERAL 1, THENCE ABOUT 0.25 MILE WEST ALONG FOXGLOVE LATERAL 1 TO THE FOXGLOVE CANAL, NEAR THE SOUTHWEST CORNER OF LOT 2 - SECTION 29, AND SET IN THE WEST UPSTREAM WINGWALL OF CHECK IN FOXGLOVE CANAL AT LATERAL 1 HEADGATE. THE MARK IS ABOVE LEVEL WITH BANK. DB1053 10 000 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1053 10 000 DTENAL Geocache Geocache 10 000 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 000 DTENAL</h1> <b> PID </b> DB1053 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 39 51. (N) 115 30 21. (W) SCALED <br> <b> NAVD 88 </b> 0.159 (meters) 0.52 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.53 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 0.160 (meters) 0.52 (feet) COMP <br> <b> MODELED GRAV</b> 979,496.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,420. </td><td> 2,069,810. </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: 11SPS401150(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1054 10 001 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1054 10 001 DTENAL Geocache Geocache 10 001 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 001 DTENAL</h1> <b> PID </b> DB1054 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 39 17. (N) 115 30 23. (W) SCALED <br> <b> NAVD 88 </b> 2.148 (meters) 7.05 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.52 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 2.150 (meters) 7.05 (feet) COMP <br> <b> MODELED GRAV</b> 979,495.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 554,380. </td><td> 2,069,760. </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: 11SPS400139(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1069 10 106 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1069 10 106 DTENAL Geocache Geocache 10 106 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 106 DTENAL</h1> <b> PID </b> DB1069 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 39 11. (N) 115 22 40. (W) SCALED <br> <b> NAVD 88 </b> 9.585 (meters) 31.45 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 9.570 (meters) 31.40 (feet) COMP <br> <b> MODELED GRAV</b> 979,492.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 554,290. </td><td> 2,081,830. </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: 11SPS521139(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 7.2 KM EAST FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1068 10 107 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1068 10 107 DTENAL Geocache Geocache 10 107 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 107 DTENAL</h1> <b> PID </b> DB1068 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 39 39. (N) 115 22 35. (W) SCALED <br> <b> NAVD 88 </b> 11.406 (meters) 37.42 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 11.390 (meters) 37.37 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,150. </td><td> 2,081,950. </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: 11SPS522148(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 5.9 KM EAST FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1067 10 108 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1067 10 108 DTENAL Geocache Geocache 10 108 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 108 DTENAL</h1> <b> PID </b> DB1067 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 05. (N) 115 22 37. (W) SCALED <br> <b> NAVD 88 </b> 11.602 (meters) 38.06 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 11.590 (meters) 38.02 (feet) COMP <br> <b> MODELED GRAV</b> 979,494.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,950. </td><td> 2,081,900. </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: 11SPS521156(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 4.7 KM EAST FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1066 10 109 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1066 10 109 DTENAL Geocache Geocache 10 109 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 109 DTENAL</h1> <b> PID </b> DB1066 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 23. (N) 115 22 36. (W) SCALED <br> <b> NAVD 88 </b> 11.897 (meters) 39.03 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 11.880 (meters) 38.98 (feet) COMP <br> <b> MODELED GRAV</b> 979,494.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 556,500. </td><td> 2,081,920. </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: 11SPS522162(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 3.6 KM EAST FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1065 10 110 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1065 10 110 DTENAL Geocache Geocache 10 110 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 110 DTENAL</h1> <b> PID </b> DB1065 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 21. (N) 115 23 10. (W) SCALED <br> <b> NAVD 88 </b> 13.154 (meters) 43.16 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.61 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 13.140 (meters) 43.11 (feet) COMP <br> <b> MODELED GRAV</b> 979,494.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 556,430. </td><td> 2,081,030. </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: 11SPS513161(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 2.7 KM EAST FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1064 10 111 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1064 10 111 DTENAL Geocache Geocache 10 111 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 111 DTENAL</h1> <b> PID </b> DB1064 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 18. (N) 115 23 32. (W) SCALED <br> <b> NAVD 88 </b> 13.822 (meters) 45.35 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.61 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 13.810 (meters) 45.31 (feet) COMP <br> <b> MODELED GRAV</b> 979,494.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 556,340. </td><td> 2,080,460. </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: 11SPS507160(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 2.1 KM EAST FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1063 10 112 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1063 10 112 DTENAL Geocache Geocache 10 112 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 112 DTENAL</h1> <b> PID </b> DB1063 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 17. (N) 115 24 17. (W) SCALED <br> <b> NAVD 88 </b> 7.337 (meters) 24.07 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.61 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 7.330 (meters) 24.05 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 556,300. </td><td> 2,079,290. </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: 11SPS495159(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 0.92 KM SE FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1062 10 113 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1062 10 113 DTENAL Geocache Geocache 10 113 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 113 DTENAL</h1> <b> PID </b> DB1062 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 05. (N) 115 24 41. (W) SCALED <br> <b> NAVD 88 </b> 6.563 (meters) 21.53 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.60 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 6.560 (meters) 21.52 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,920. </td><td> 2,078,660. </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: 11SPS489156(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1061 10 114 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1061 10 114 DTENAL Geocache Geocache 10 114 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 114 DTENAL</h1> <b> PID </b> DB1061 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 05. (N) 115 25 21. (W) SCALED <br> <b> NAVD 88 </b> 5.920 (meters) 19.42 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.60 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 5.910 (meters) 19.39 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,910. </td><td> 2,077,620. </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: 11SPS479155(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1060 10 115 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1060 10 115 DTENAL Geocache Geocache 10 115 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 115 DTENAL</h1> <b> PID </b> DB1060 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 02. (N) 115 25 56. (W) SCALED <br> <b> NAVD 88 </b> 5.567 (meters) 18.26 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.59 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 5.560 (meters) 18.24 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,810. </td><td> 2,076,710. </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: 11SPS470154(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1059 10 116 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1059 10 116 DTENAL Geocache Geocache 10 116 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 116 DTENAL</h1> <b> PID </b> DB1059 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 01. (N) 115 26 39. (W) SCALED <br> <b> NAVD 88 </b> 4.404 (meters) 14.45 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.58 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.400 (meters) 14.44 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,780. </td><td> 2,075,590. </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: 11SPS458154(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1058 10 117 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1058 10 117 DTENAL Geocache Geocache 10 117 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 117 DTENAL</h1> <b> PID </b> DB1058 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 00. (N) 115 27 11. (W) SCALED <br> <b> NAVD 88 </b> 3.654 (meters) 11.99 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.58 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.650 (meters) 11.97 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,740. </td><td> 2,074,760. </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: 11SPS450153(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1057 10 118 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1057 10 118 DTENAL Geocache Geocache 10 118 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 118 DTENAL</h1> <b> PID </b> DB1057 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 02. (N) 115 27 48. (W) SCALED <br> <b> NAVD 88 </b> 3.204 (meters) 10.51 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.57 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.200 (meters) 10.50 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,790. </td><td> 2,073,790. </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: 11SPS440154(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1056 10 119 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1056 10 119 DTENAL Geocache Geocache 10 119 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 119 DTENAL</h1> <b> PID </b> DB1056 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 39 58. (N) 115 28 27. (W) SCALED <br> <b> NAVD 88 </b> 2.315 (meters) 7.60 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.56 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 2.310 (meters) 7.58 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,660. </td><td> 2,072,780. </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: 11SPS430153(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1055 10 120 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1055 10 120 DTENAL Geocache Geocache 10 120 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 120 DTENAL</h1> <b> PID </b> DB1055 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 39 56. (N) 115 28 58. (W) SCALED <br> <b> NAVD 88 </b> 1.937 (meters) 6.36 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1.930 (meters) 6.33 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,590. </td><td> 2,071,970. </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: 11SPS422152(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1051 10 121 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1051 10 121 DTENAL Geocache Geocache 10 121 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 121 DTENAL</h1> <b> PID </b> DB1051 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 39 53. (N) 115 29 36. (W) SCALED <br> <b> NAVD 88 </b> 1.584 (meters) 5.20 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.54 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1.580 (meters) 5.18 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,490. </td><td> 2,070,980. </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: 11SPS412151(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1052 10 122 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1052 10 122 DTENAL Geocache Geocache 10 122 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 122 DTENAL</h1> <b> PID </b> DB1052 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 39 49. (N) 115 29 47. (W) SCALED <br> <b> NAVD 88 </b> 1.706 (meters) 5.60 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.54 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1.700 (meters) 5.58 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 555,370. </td><td> 2,070,690. </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: 11SPS409149(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 IN MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1071 10 134 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1071 10 134 DTENAL Geocache Geocache 10 134 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 134 DTENAL</h1> <b> PID </b> DB1071 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 27. (N) 115 22 07. (W) SCALED <br> <b> NAVD 88 </b> 10.685 (meters) 35.06 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 10.670 (meters) 35.01 (feet) COMP <br> <b> MODELED GRAV</b> 979,494.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 556,630. </td><td> 2,082,670. </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: 11SPS529163(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 4.8 MI EAST FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1072 10 135 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1072 10 135 DTENAL Geocache Geocache 10 135 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 135 DTENAL</h1> <b> PID </b> DB1072 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 30. (N) 115 21 30. (W) SCALED <br> <b> NAVD 88 </b> 11.260 (meters) 36.94 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 11.250 (meters) 36.91 (feet) COMP <br> <b> MODELED GRAV</b> 979,495.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 556,730. </td><td> 2,083,630. </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: 11SPS539164(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 5.8 KM EAST FROM MEXICALI. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. DB1073 10 136 http://www.geocaching.com/mark/details.asp?PID=DB1073 10 136 Geocache Geocache 10 136 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 136</h1> <b> PID </b> DB1073 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 32. (N) 115 20 43. (W) SCALED <br> <b> NAVD 88 </b> 14.510 (meters) 47.60 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.63 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 14.493 (meters) 47.55 (feet) COMP <br> <b> MODELED GRAV</b> 979,495.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in March 1994. <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 6 </td><td> 556,810. </td><td> 2,084,860. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 13.802 (m) 45.28 (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: 11SPS551165(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: 10 136 DTENAL 1977 <br>MARK LOGO: DTENAL <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - October 25, 1991 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr><tr><td>1981 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1985 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>19881011</td><td>GOOD </td><td>CA-025</td></tr><tr><td>19911025</td><td>GOOD </td><td>CA-025</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1981 RECOVERED AS PREVIOUSLY DESCRIBED, NOTE-ADD-18.6 M (61 FT) SOUTHWEST OF BENCH MARK C0 M 7. CONTACT DETENAL DE MEXICO FOR FULL DESCRIPTION. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1985 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1988 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1991) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1991 ABOUT 8.8 MI (14.2 KM) EAST ALONG STATE HIGHWAY 98 FROM STATE HIGHWAY 111 IN CALEXICO, THEN 0.4 MI (0.6 KM) SOUTH ON A DIRT COUNTY (VENCILL) ROAD, THEN 1.0 MI (1.6 KM) SOUTHEAST ON THE EAST BANK OF HEMLOCK CANAL, 18.6 M (61.0 FT) SOUTHWEST OF BENCH MARK--BUR OF RECL--WHICH IS IN THE CENTERLINE OF EAST WHEEL GUARD OF CONCRETE ALLISON CHECK IN ALL AMERICAN CANAL. SECTION 17, T17S, R16S. DB1074 10 137 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1074 10 137 DTENAL Geocache Geocache 10 137 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 137 DTENAL</h1> <b> PID </b> DB1074 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 56. (N) 115 20 32. (W) SCALED <br> <b> NAVD 88 </b> 12.324 (meters) 40.43 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.63 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 12.310 (meters) 40.39 (feet) COMP <br> <b> MODELED GRAV</b> 979,496.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 557,550. </td><td> 2,085,140. </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: 11SPS554172(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: HEAD GATE <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 16.8 KM SOUTH FROM HOLTVILLE. 15.42 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, THENCE 1.36 KM SOUTH ALONG WHITCOMB CANAL ROAD, 63.20 METERS EAST OF THE CENTER LINE OF THE ROAD, SET IN THE SOUTHEAST CORNER OF A CONCRETE HEAD GATE FOR A CANAL AND 1.0 METER HIGHER THAN THE ROAD. MARK PAINTED ON CONCRETE. DB1075 10 138 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1075 10 138 DTENAL Geocache Geocache 10 138 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 138 DTENAL</h1> <b> PID </b> DB1075 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 41 25. (N) 115 20 31. (W) SCALED <br> <b> NAVD 88 </b> 10.840 (meters) 35.56 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 10.830 (meters) 35.53 (feet) COMP <br> <b> MODELED GRAV</b> 979,496.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 558,440. </td><td> 2,085,160. </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: 11SPS554181(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: HEADWALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 15.9 KM SOUTH FROM HOLTVILLE. 15.42 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE THENCE 0.44 KM SOUTH ALONG WHITCOMB CANAL ROAD, 4.7 METERS EAST OF THE CENTER LINE OF THE ROAD, 23.4 METERS SOUTHEAST OF THE SOUTHEAST CORNER OF A HOUSE, 3.2 METERS NORTHEAST OF POWER POLE 535750, SET 0.5 METER NORTH OF THE SOUTH END OF A CANAL, AND 0.5 METER HIGHER THAN THE ROAD. MARK PAINTED ON CONCRETE. DB1076 10 139 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1076 10 139 DTENAL Geocache Geocache 10 139 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 139 DTENAL</h1> <b> PID </b> DB1076 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 41 35. (N) 115 20 31. (W) SCALED <br> <b> NAVD 88 </b> 9.763 (meters) 32.03 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 9.750 (meters) 31.99 (feet) COMP <br> <b> MODELED GRAV</b> 979,497.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 558,750. </td><td> 2,085,150. </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: 11SPS554184(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE BASE <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 15.4 KM SOUTH FROM HOLTVILLE. 15.42 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, AT THE JUNCTION OF STATE HIGHWAY 98, AT BONDS CORNER, A SCREW IN THE SOUTHEAST CORNER OF THE CONCRETE BASE SUPPORTING A SIGN GASOLINUA RIO GRANDE, THE STATION IS NOW ABONDONED, AND ABOUT LEVEL WITH THE HIGHWAYS. DB1077 10 140 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1077 10 140 DTENAL Geocache Geocache 10 140 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 140 DTENAL</h1> <b> PID </b> DB1077 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 05. (N) 115 20 29. (W) SCALED <br> <b> NAVD 88 </b> 8.221 (meters) 26.97 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 8.210 (meters) 26.94 (feet) COMP <br> <b> MODELED GRAV</b> 979,497.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 559,670. </td><td> 2,085,200. </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: 11SPS554194(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: RETAINING WALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 14.6 KM SOUTH FROM HOLTVILLE. 14.60 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, SET 0.25 METER NORTHEAST OF THE SOUTHWEST END OF THE NORTHWEST RETAINING WALL OF A DRAINAGE CANAL, 13.10 METERS NORTHEAST OF THE CENTERLINE OF THE HIGHWAY AND 1.05 METERS LOWER THEN THE LEVEL OF THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1078 10 141 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1078 10 141 DTENAL Geocache Geocache 10 141 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 141 DTENAL</h1> <b> PID </b> DB1078 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 32. (N) 115 20 30. (W) SCALED <br> <b> NAVD 88 </b> 8.195 (meters) 26.89 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 8.190 (meters) 26.87 (feet) COMP <br> <b> MODELED GRAV</b> 979,498.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 560,510. </td><td> 2,085,160. </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: 11SPS554202(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: RETAINING WALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 13.8 KM SOUTH FROM HOLTVILLE. 13.81 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, SET 0.17 METER SOUTHEAST OF THE NORTHWEST END OF THE SOUTH RETAINING WALL OF A DRAINAGE CANAL 17.5 METERS EAST OF THE CENTERLINE OF THE HIGHWAY AND 0.75 METER BELOW THE LEVEL OF THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1079 10 142 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1079 10 142 DTENAL Geocache Geocache 10 142 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 142 DTENAL</h1> <b> PID </b> DB1079 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 00. (N) 115 20 30. (W) SCALED <br> <b> NAVD 88 </b> 8.620 (meters) 28.28 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 8.610 (meters) 28.25 (feet) COMP <br> <b> MODELED GRAV</b> 979,499.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,370. </td><td> 2,085,160. </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: 11SPS554210(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 13.0 KM SOUTH FROM HOLTVILLE. 13.00 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, 10.30 METERS EAST OF THE CENTER LINE OF THE HIGHWAY, 8.10 METERS NORTHWEST OF A TREE, 1.55 METERS NORTH OF POWER LINE POLE 384631 H, 0.05 METERS BELOW THE LEVEL OF THE HIGHWAY AND SET IN THE TOP OF A 0.5 METER CONCRETE POST PROJECTING 0.25 METER ABOVE THE GROUND. MARK PAINTED ON CONCRETE. DB1080 10 143 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1080 10 143 DTENAL Geocache Geocache 10 143 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 143 DTENAL</h1> <b> PID </b> DB1080 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 32. (N) 115 20 35. (W) SCALED <br> <b> NAVD 88 </b> 7.972 (meters) 26.15 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.62 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 7.960 (meters) 26.12 (feet) COMP <br> <b> MODELED GRAV</b> 979,499.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 562,350. </td><td> 2,085,020. </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: 11SPS552220(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE BASE <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 12.2 KM SOUTH FROM HOLTVILLE. 12.15 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, AT LTHE SOUTHEAST CORNER OF A ELECTRIC SUBSTATION, 42.70 METERS WEST OF THE CENTERLINE OF THE HIGHWAY, SET IN THE SOUTH CORNER OF THE CONCRETE BASE SUPPORTING A METAL POST FOR A WIRE WOOVEN FENCE AROUND THE SUBSTATION, AND ABOUT LEVEL WITH THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1081 10 144 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1081 10 144 DTENAL Geocache Geocache 10 144 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 144 DTENAL</h1> <b> PID </b> DB1081 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 44 02. (N) 115 20 13. (W) SCALED <br> <b> NAVD 88 </b> 7.871 (meters) 25.82 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.61 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 7.860 (meters) 25.79 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 563,280. </td><td> 2,085,580. </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: 11SPS558230(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: HEADWALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 11.3 KM SOUTH FROM HOLTVILLE. 11.32 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, 7.8 METERS EAST OF THE CENTERLINE OF THE HIGHWAY, SET IN THE SOUTHEAST CORNER OF THE EAST HEADWALL FOR A DRAINAGE CANAL AND 0.10 METER BELOW THE LEVEL OF THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1082 10 145 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1082 10 145 DTENAL Geocache Geocache 10 145 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 145 DTENAL</h1> <b> PID </b> DB1082 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 44 28. (N) 115 20 13. (W) SCALED <br> <b> NAVD 88 </b> 7.138 (meters) 23.42 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.61 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 7.130 (meters) 23.39 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 564,080. </td><td> 2,085,580. </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: 11SPS558238(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE PIPE <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 10.5 KM SOUTH FROM HOLTVILLE. 10.52 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, AT THE SOUTHEAST CORNER OF THE INTERSECTION OF CONNELLY ROAD, 14.00 METERS EAST OF THE CENTER LINE OF THE HIGHWAY, 14.00 METERS SOUTH OF THE CENTER LINE OF THE ROAD, 10 METERS NORTHEAST OF POWERLINE POLE R 45 ID, SET 0.70 METER EAST OF THE WEST EDGE OF A COVERED 1.5 METER CONCRETE STAND PIPE AND 0.2 METER BELOW THE LEVEL OF THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1083 10 146 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1083 10 146 DTENAL Geocache Geocache 10 146 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 146 DTENAL</h1> <b> PID </b> DB1083 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 44 21. (N) 115 19 58. (W) SCALED <br> <b> NAVD 88 </b> 7.493 (meters) 24.58 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.61 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 7.480 (meters) 24.54 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 563,870. </td><td> 2,085,970. </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: 11SPS562236(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: RETAINING WALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 9.7 KM SOUTH FROM HOLTVILLE. 9.69 KM SOUTH ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, SET IN THE SOUTHWEST CONCRETE CANAL RETAINING WALL, 9.0 METERS EAST OF THE CENTERLINE OF THE HIGHWAY, 0.47 METER EAST OF THE WEST END OF THE WALL AND 0.25 METER ABOVE THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1084 10 147 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1084 10 147 DTENAL Geocache Geocache 10 147 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 147 DTENAL</h1> <b> PID </b> DB1084 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 44 42. (N) 115 20 13. (W) SCALED <br> <b> NAVD 88 </b> 6.387 (meters) 20.95 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.60 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 6.380 (meters) 20.93 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 564,510. </td><td> 2,085,570. </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: 11SPS558242(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: HEADWALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 8.9 KM SE FROM HOLTVILLE. 8.87 KM SOUTHEAST ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, 8.1 METERS WEST OF THE CENTERLINE OF THE HIGHWAY, 8.80 METERS NORTHEAST OF A PALM TREE, 7.70 METERS SOUTHEAST OF TELEPHONE POLE T 1075 ID, SET 0.57 METER SOUTH OF THE NORTH END OF A 1.35 METERS LONG BY 0.24 METER WIDE HEADWALL AND 0.60 METER ABOVE THE LEVEL OF THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1085 10 148 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1085 10 148 DTENAL Geocache Geocache 10 148 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 148 DTENAL</h1> <b> PID </b> DB1085 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HOLTVILLE EAST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 45 23. (N) 115 20 13. (W) SCALED <br> <b> NAVD 88 </b> 4.028 (meters) 13.22 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.60 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.020 (meters) 13.19 (feet) COMP <br> <b> MODELED GRAV</b> 979,503.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 565,780. </td><td> 2,085,560. </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: 11SPS557255(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: HEADWALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 7.7 KM SE FROM HOLTVILLE. 7.66 KM SOUTHEAST ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, 6.7 METERS WEST OF THE CENTERLINE OF THE HIGHWAY SET 0.5 METER NORTH OF THE SOUTH END OF A 0.25 METER WIDE BY 1.35 METER LONG CONCRETE WALL AND IN 0.45 METER ABOVE THE LEVEL OF THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1086 10 149 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1086 10 149 DTENAL Geocache Geocache 10 149 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 149 DTENAL</h1> <b> PID </b> DB1086 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HOLTVILLE EAST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 46 11. (N) 115 20 03. (W) SCALED <br> <b> NAVD 88 </b> 9.914 (meters) 32.53 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.59 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 9.900 (meters) 32.48 (feet) COMP <br> <b> MODELED GRAV</b> 979,504.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 567,260. </td><td> 2,085,810. </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: 11SPS560269(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: WING WALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 6.4 KM SE FROM HOLTVILLE. 6.42 KM SOUTHEAST ALONG STATE HIGHWAY 115 FROM THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, AT THE SAN DIEGO-YUMA FREEWAY OVERPASS, SET IN THE NORTH END OF THE NORTHEAST WINGWALL, 7.00 METERS EAST OF THE CENTERLINE OF THE HIGHWAY AND 0.5 METER ABOVE THE HIGHWAY. MARK PAINTED ON CONCRETE. DB1087 10 150 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1087 10 150 DTENAL Geocache Geocache 10 150 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 150 DTENAL</h1> <b> PID </b> DB1087 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HOLTVILLE EAST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 46 50. (N) 115 20 03. (W) SCALED <br> <b> NAVD 88 </b> 3.199 (meters) 10.50 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.58 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.190 (meters) 10.47 (feet) COMP <br> <b> MODELED GRAV</b> 979,506.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 568,460. </td><td> 2,085,800. </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: 11SPS560281(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE WALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 5.5 KM SE FROM HOLTVILLE. 5.5 KM SOUTHEAST ALONG STATE HIGHWAY 115 THE JUNCTION OF U.S. HIGHWAY 80 AT HOLTVILLE, 1.03 KM SOUTH OF BENCH MARK 10 151 DETENAL, AT THE JUNCTION OF SNYDER ROAD LEADING NORTHWEST, SET 0.2 METER SOUTH OF THE NORTH END OF A CONCRETE WALL SUPPORTING A WOODEN BRIDGE OVER A CANAL, 5.8 METERS NORTHEAST OF THE CENTERLINE OF SNYDER ROAD, AND 0.05 METER ABOVE SNYDER ROAD. MARK PAINTED ON CONCRETE. DB1088 10 151 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1088 10 151 DTENAL Geocache Geocache 10 151 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 151 DTENAL</h1> <b> PID </b> DB1088 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HOLTVILLE EAST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 47 07. (N) 115 20 18. (W) SCALED <br> <b> NAVD 88 </b> 1.414 (meters) 4.64 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.57 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1.410 (meters) 4.63 (feet) COMP <br> <b> MODELED GRAV</b> 979,507.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 568,980. </td><td> 2,085,400. </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: 11SPS556287(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CANAL WALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 6.84 KM SE FROM HOLTVILLE. 4.02 KM EAST ALONG U.S. HIGHWAY 80 FROM THE WESTERN UNION CO. BUILDING AT HOLTVILLE, THENCE 2.82 KM SOUTH ALONG SNYDER ROAD, SET IN THE MIDDLE OF THE NORTH END OF A DRAINAGE END WALL, 12.10 METERS EAST OF THE CENTER LINE OF THE ROAD, AND 0.6 METER ABOVE THE LEVEL OF THE ROAD. MARK PAINTED ON CONCRETE. DB1089 10 152 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1089 10 152 DTENAL Geocache Geocache 10 152 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 152 DTENAL</h1> <b> PID </b> DB1089 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HOLTVILLE EAST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 47 40. (N) 115 20 18. (W) SCALED <br> <b> NAVD 88 </b> 1.053 (meters) 3.45 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.56 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 1.050 (meters) 3.44 (feet) COMP <br> <b> MODELED GRAV</b> 979,508.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 570,000. </td><td> 2,085,390. </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: 11SPS555297(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: HEADWALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 5.74 KM EAST FROM HOLTVILLE. 4.02 KM EAST ALONG U.S. HIGHWAY 80 FROM THE WESTERN UNION CO. BUILDING AT HOLTVILLE, THENCE 1.89 KM SOUTH ALONG SNYDER ROAD, AT THE JCT. OF AN UNPAVED ROAD LEADING WEST, IN THE TOP OF THE HEADWALL OF A DRAINAGE CANAL, 57.65 METERS WEST OF CENTERLINE OF SNYDER ROAD, 13.1 METERS SOUTH OF THE CENTERLINE OF THE UNPAVED ROAD, 2.5 METERS NORTH OF THE SOUTH EDGE OF THE HEADWALL, 1.25 METERS WEST OF THE EAST EDGE OF THE HEADWALL, AND 0.8 METER ABOVE THE LEVEL OF THE ROAD. MARK PAINTED ON CONCRETE. DB1090 10 153 DTENAL http://www.geocaching.com/mark/details.asp?PID=DB1090 10 153 DTENAL Geocache Geocache 10 153 DTENAL DTENAL Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>10 153 DTENAL</h1> <b> PID </b> DB1090 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HOLTVILLE EAST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 48 08. (N) 115 20 13. (W) SCALED <br> <b> NAVD 88 </b> -0.257 (meters) -0.84 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -0.260 (meters) -0.85 (feet) COMP <br> <b> MODELED GRAV</b> 979,510.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 570,860. </td><td> 2,085,520. </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: 11SPS557305(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: GATE WALL <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>1977 </td><td>MONUMENTED </td><td>DTENAL</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY DETENAL DE MEXICO 1977 4.88 KM EAST FROM HOLTVILLE. 4.02 KM. EAST ALONG U.S. HIGHWAY 80 FROM THE WESTERN UNION CO. BUILDING AT HOLTVILLE, THENCE 0.86 KM SOUTH ALONG SNYDER ROAD, NEAR THE JCT OF NELSON PIT ROAD, 50 METERS WEST OF THE CENTERLINE OF SNYDER ROAD, SET IN THE NORTH END OF A CONCRETE GATE WALL FOR CANAL LEADING WEST, 16.4 METERS NORTHWEST OF POLE 53379D, 0.45 METER SOUTH OF NORTH END OF WALL, 0.09 METER WEST OF EAST SIDE OF WALL, AND 1.7 METERS ABOVE LEVEL OF ROAD. MARK PAINTED ON CONCRETE. DB0405 100.25 http://www.geocaching.com/mark/details.asp?PID=DB0405 100.25 Geocache Geocache 100.25 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>100.25</h1> <b> PID </b> DB0405 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> MIDWAY WELL NW (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 18. (N) 115 13 09. (W) SCALED <br> <b> NAVD 88 </b> 31.326 (meters) 102.78 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.64 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 31.290 (meters) 102.66 (feet) COMP <br> <b> MODELED GRAV</b> 979,494.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS I <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 March 1994. <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 6 </td><td> 560,180. </td><td> 2,096,650. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 30.623 (m) 100.47 (f) ADJUSTED 2 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: 11SPS669199(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC. <br>SP_SET: WHEEL GUARD OF BRIDGE <br>STAMPING: 100.25 <br>MARK LOGO: BOR <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - October 23, 1991 <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>BOR</td></tr><tr><td>1972 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr><tr><td>1986 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>19881010</td><td>GOOD </td><td>CA-025</td></tr><tr><td>19911023</td><td>GOOD </td><td>CA-025</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 8.2 MI SE FROM HOLTVILLE. FROM THE INTERSECTION OF STATE HWY 115 AND U.S. 80 IN HOLTVILLE, PROCEED S. ON 115 ABOUT 7 MILES TO THE INTERSECTION OF STATE HIGHWAYS 115 AND 98, KNOWN LOCALLY AS BONDS CORNER, THEN PROCEED E. APPROXIMATELY 7.4 MILES ON HIGHWAY 98, THEN TURN OFF HIGHWAY AND GO S. ABOUT 2,200 FT. TO POWER DROP 4 ON THE ALL AMERICAN CANAL. THE MARK IS LOCATED ON THE N. END OF THE E. WHEEL GUARD AT THE POWER DROP. SECTION 3, T17S., R17E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1986) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1986 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1988 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1991) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1991 FROM THE INTERSECTION OF STATE HWY 115 AND U.S. 80 IN HOLTVILLE, PROCEED SOUTH ON 115 ABOUT 7 MI (11.3 KM) TO THE INTERSECTION OF STATE HIGHWAYS 115 AND 98, KNOWN LOCALLY AS BONDS CORNER, THEN PROCEED EAST APPROXIMATELY 7.4 MI (11.9 KM) ON HIGHWAY 98, THEN TURN OFF HIGHWAY AND GO SOUTH ABOUT 2,200 FT TO POWER DROP 4 ON THE ALL AMERICAN CANAL. THE MARK IS LOCATED ON THE NORTH END OF THE EAST WHEEL GUARD AT THE POWER DROP. SECTION 3, T17S, R17E. DB0831 1092+60 IID http://www.geocaching.com/mark/details.asp?PID=DB0831 1092+60 IID Geocache Geocache 1092+60 IID IID Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>1092+60 IID</h1> <b> PID </b> DB0831 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS NW (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 55 39. (N) 115 09 47. (W) SCALED <br> <b> NAVD 88 </b> 34.654 (meters) 113.69 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.17 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 34.610 (meters) 113.55 (feet) COMP <br> <b> MODELED GRAV</b> 979,519.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 584,910. </td><td> 2,101,660. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 33.929 (m) 111.32 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS717447(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: BM STA 1092+60 ELEV 1111.30 <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>IID</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 24.5 MI SE FROM BRAWLEY. FROM THE INTERSECTION OF STATE HIGHWAY 78 (MAIN ST.) AND FIRST ST. IN BRAWLEY, PROCEED E. ON STATE HIGHWAY 78 APPROXIMATELY 21.5 MILES TO WHERE THE HIGHWAY CROSSES THE COCHELLA CANAL, FOLLOW THE W. CANAL BANK S. APPROXIMATELY 3.3 MILES. THE BENCH MARK IS AT THE TOE OF THE W. SPOILS BANK OF THE CANAL, AND IS SET ON TOP OF A 5 IN DIAMETER CONCRETE CYLINDER, AND IS 0.3 FT. BELOW THE SURFACE OF THE GROUND. THE BENCH MARK IS STAMPED BM STA. 1092+60 ELEV. 111.30. SECTION 13, T 14 S., R 17 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. DB1179 11 A http://www.geocaching.com/mark/details.asp?PID=DB1179 11 A Geocache Geocache 11 A CADT CADT Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>11 A</h1> <b> PID </b> DB1179 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 40 48. (N) 115 34 39. (W) SCALED <br> <b> NAVD 88 </b> -0.405 (meters) -1.33 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.45 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -0.405 (meters) -1.33 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS I <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 March 1994. <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 6 </td><td> 557,130. </td><td> 2,063,070. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -1.113 (m) -3.65 (f) ADJUSTED 2 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: 11SPS333167(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: 11 A 1979 <br>MARK LOGO: CADT <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - October 28, 1991 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1979 </td><td>MONUMENTED </td><td>CADT</td></tr><tr><td>1981 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>1984 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>19881012</td><td>GOOD </td><td>CA-025</td></tr><tr><td>19911028</td><td>GOOD </td><td>CA-025</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY IMPERIAL COUNTY CALIFORNIA 1981 4.5 MI WEST FROM CALEXICO. ABOUT 4.5 MILES WEST ALONG STATE HIGHWAY 98 FROM THE INTERSECTION OF STATE HIGHWAY 111 IN CALEXICO, 48 FEET NORTH OF THE CENTER LINE OF STATE HIGHWAY 48, 24 FEET WEST OF THE CENTER LINE OF DELIVERY 38, AND SET IN THE TOP OF AND 2.5 FEET WEST OF THE GATE GUIDE OF CONCRETE CHECK IN WESTERN LATERAL 2. <p> <h2>STATION RECOVERY (1984) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1984 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1988 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1991) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1991 ABOUT 4.5 MI (7.2 KM) WEST ALONG STATE HIGHWAY 98 FROM THE INTERSECTION OF STATE HIGHWAY 111 IN CALEXICO, 48 FT (14.6 M) NORTH OF THE CENTERLINE OF STATE HIGHWAY 48, 24 FT (7.3 M) WEST OF THE CENTERLINE OF DELIVERY 38, AND SET IN THE TOP OF AND 2.5 FT (0.8 M) WEST OF THE GATE GUIDE OF CONCRETE CHECK IN WESTERN LATERAL 2. DB0776 11 A USN http://www.geocaching.com/mark/details.asp?PID=DB0776 11 A USN Geocache Geocache 11 A USN DOD Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>11 A USN</h1> <b> PID </b> DB0776 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> SEELEY (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 49 40. (N) 115 40 20. (W) SCALED <br> <b> NAVD 88 </b> -13.77 (+/-2cm) -45.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.45 (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 6 </td><td> 573,470. </td><td> 2,054,100. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -14.494 (m) -47.55 (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: 11SPS242329(NAD 83) <br>MARKER: N = NAIL <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: PAVEMENT <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>1945 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1945 AT EL CENTRO. ON THE CENTERLINE OF THE SOUTH ONE OF TWO PARALLEL EAST-WEST RUNWAYS, 20 FEET EAST OF THE WEST END OF THE PAVEMENT, FLUSH WITH THE PAVEMENT. A NAIL AND WASHER, SET IN THE RUNWAY PAVEMENT. PAVEMENT PAINTED 11 A 952.475. DB0830 113.010 BOR http://www.geocaching.com/mark/details.asp?PID=DB0830 113.010 BOR Geocache Geocache 113.010 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>113.010 BOR</h1> <b> PID </b> DB0830 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS NW (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 56 13. (N) 115 09 57. (W) SCALED <br> <b> NAVD 88 </b> 35.203 (meters) 115.50 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.15 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 35.160 (meters) 115.35 (feet) COMP <br> <b> MODELED GRAV</b> 979,520.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 585,950. </td><td> 2,101,390. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 34.471 (m) 113.09 (f) ADJUSTED 2 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: 11SPS714457(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 113.010 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 24 MI SE FROM BRAWLEY. FROM THE INTERSECTION OF STATE HIGHWAY 78 (MAIN ST.) AND FIRST ST. IN BRAWLEY, PROCEED E. ON STATE HIGHWAY 78 APPROXIMATELY 21.5 MILES TO WHERE THE HIGHWAY, CROSSES THE COCHELLA CANAL, FOLLOW THE W. CANAL BANK S. APPROXIMATELY 2.8 MILES. THE BENCH MARK IS LOCATED ABOUT 75 FT. FROM THE TOE OF THE W. SPOILS BANK, AND IS ON TOP OF A 5 IN DIAMETER CONCRETE CYLINDER, AND IS 0.2 FT. ABOVE THE GROUND. SECTION 13, T 14 S., R 17 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. DB0832 113.510 BOR http://www.geocaching.com/mark/details.asp?PID=DB0832 113.510 BOR Geocache Geocache 113.510 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>113.510 BOR</h1> <b> PID </b> DB0832 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS NW (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 55 12. (N) 115 09 33. (W) SCALED <br> <b> NAVD 88 </b> 35.324 (meters) 115.89 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.18 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 35.280 (meters) 115.75 (feet) COMP <br> <b> MODELED GRAV</b> 979,519.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 584,080. </td><td> 2,102,030. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 34.594 (m) 113.50 (f) ADJUSTED 2 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: 11SPS721439(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 113.510 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 25 MI SE FROM BRAWLEY. FROM THE INTERSECTION OF STATE HIGHWAY 78 (MAIN ST.) AND FIRST ST. IN BRAWLEY, PROCEED E. ON STATE HIGHWAY 78 APPROXIMATELY 21.5 MILES TO WHERE THE HIGHWAY CROSSES THE COCHELLA CANAL, FOLLOW THE W. CANAL BANK S. APPROXIMATELY 3.8 MILES. THE BENCH MARK IS LOCATED ABOUT 40 FT. FROM THE TOE OF THE W. SPOILS BANK, AND IS SET ON TOP OF 5 IN DIAMETER CONCRETE CYLINDER, AND IS 0.7 FT. ABOVE THE GROUND. SECTION 19, T 14 S., R 18 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. DB0834 113.670 STA 950+00 BOR http://www.geocaching.com/mark/details.asp?PID=DB0834 113.670 STA 950+00 BOR Geocache Geocache 113.670 STA 950+00 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>113.670 STA 950+00 BOR</h1> <b> PID </b> DB0834 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS NW (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 53 30. (N) 115 08 33. (W) SCALED <br> <b> NAVD 88 </b> 35.390 (meters) 116.11 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.23 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 35.350 (meters) 115.98 (feet) COMP <br> <b> MODELED GRAV</b> 979,516.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 580,960. </td><td> 2,103,620. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 34.663 (m) 113.72 (f) ADJUSTED 2 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: 11SPS737408(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 113.670 STA 950+00 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 29 MI SE FROM BRAWLEY. FROM THE INTERSECTION OF STATE HIGHWAY 78 (MAIN ST. ) AND FIRST ST. IN BRAWLEY, PROCEED E. ON STATE HIGHWAY 78 APPROXIMATELY 21.5 MILES TO WHERE THE HIGHWAY CROSSES THE COCHELLA CANAL, FOLLOW THE W. CANAL BANK S. 6 MILES. THE MARK IS LOCATED ABOUT 60 FT. FROM THE TOE OF THE W. SPOILS BANK, AND IS SET ON THE TOP OF A 5 INCH DIAMETER CONCRETE CYLINDER, AND IS 0.6 FT. ABOVE THE GROUND. SECTION 32, T 14 S., R 18 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. DB0522 116.420 BOR http://www.geocaching.com/mark/details.asp?PID=DB0522 116.420 BOR Geocache Geocache 116.420 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>116.420 BOR</h1> <b> PID </b> DB0522 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS SE (1954) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 51 30. (N) 115 06 57. (W) SCALED <br> <b> NAVD 88 </b> 36.239 (meters) 118.89 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.27 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 36.200 (meters) 118.77 (feet) COMP <br> <b> MODELED GRAV</b> 979,512.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 577,290. </td><td> 2,106,160. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 35.516 (m) 116.52 (f) ADJUSTED 2 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: 11SPS763371(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: 116.420 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 17 MI NE FROM HOLTVILLE. FROM THE INTERSECTION OF U.S. 80 AND HOLT RD. IN HOLTVILLE, PROCEED E. ON U.S. 80 APPROXIMATELY 27 MILES TO WHERE THE HIGHWAY CROSSES THE ALL AMERICAN CANAL, FOLLOW THE N. CANAL BANK N.E. ABOUT 1/2 MILE TO THE BEGINNING OF THE COCHELLA CANAL, FOLLOW THE W. BANK OF THE COCHELLA CANAL N. APPROXIMATELY 14.9 MILES. THE BENCH MARK IS LOCATED ABOUT 50 FT. FROM THE TOE OF THE W. SPOILS BANK, AND IS SET ON TOP OF A CONCRETE CYLINDER, AND PROJECTS 0.5 FT. ABOVE GROUND. SECTION 9, T 15 S., R 18 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. DB0833 116.595 BOR http://www.geocaching.com/mark/details.asp?PID=DB0833 116.595 BOR Geocache Geocache 116.595 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>116.595 BOR</h1> <b> PID </b> DB0833 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS NW (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 54 14. (N) 115 08 59. (W) SCALED <br> <b> NAVD 88 </b> 36.266 (meters) 118.98 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.21 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 36.230 (meters) 118.86 (feet) COMP <br> <b> MODELED GRAV</b> 979,517.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 582,300. </td><td> 2,102,930. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 35.537 (m) 116.59 (f) ADJUSTED 2 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: 11SPS730421(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: 116.595 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 27 MI SE FROM BRAWLEY. FROM THE INTERSECTION OF STATE HIGHWAY 78 (MAIN ST.) AND FIRST ST. IN BRAWLEY, PROCEED E. ON STATE HIGHWAY 78 APPROXIMATELY 21.5 MILES TO WHERE THE HIGHWAY CROSSES THE COCHELLA CANAL, FOLLOW THE W. CANAL BANK S. APPROXIMATELY 5 MILES. THE BENCH MARK IS LOCATED ABOUT 40 FT. FROM THE TOE OF THE W. SPOILS BANK, AND IS SET ON TOP OF A 5 IN DIAMETER CONCRETE CYLINDER, AND IS 0.4 FT. ABOVE THE GROUND. SECTION 30, T 14 S., R 18 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. DB0524 117.675 BOR http://www.geocaching.com/mark/details.asp?PID=DB0524 117.675 BOR Geocache Geocache 117.675 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>117.675 BOR</h1> <b> PID </b> DB0524 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS SE (1954) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 52 07. (N) 115 07 29. (W) SCALED <br> <b> NAVD 88 </b> 36.569 (meters) 119.98 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.26 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 36.530 (meters) 119.85 (feet) COMP <br> <b> MODELED GRAV</b> 979,513.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 578,420. </td><td> 2,105,310. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 35.844 (m) 117.60 (f) ADJUSTED 2 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: 11SPS754382(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 117.675 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 16 MI NE FROM HOLTVILLE. FROM THE INTERSECTION OF U.S. 80 AND HOLT RD. IN HOLTVILLE PROCEED E. ON U.S. 80 APPROXIMATELY 27 MILES TO WHERE THE HIGHWAY CROSSES THE ALL AMERICAN CANAL, FOLLOW THE N. CANAL BANK N.E. ABOUT 1/2 MILE TO THE BEGINNING OF THE COCHELLA CANAL, FOLLOW THE W. CANAL BANK OF THE COCHELLA CANAL N. APPROXIMATELY 15.9 MILES. AN ALTERNATE ROUTE, FROM THE INTERSECTION OF STATE HIGHWAY 78 (MAIN ST.,) AND FIRST ST. IN BRAWLEY, PROCEED E. ON STATE HIGHWAY 78, APPROXIMATELY 21.5 MILES TO WHERE THE HIGHWAY CROSSES THE COCHELLA CANAL, FOLLOW THE W. CANAL BANK S. APPROXIMATELY 8 MILES. SECTION 9, T 15 S., R 18 E. NOTE-- THE MARK IS ABOUT 40 FT. FROM THE TOE OF THE W. SPOILS BANK OF THE CANAL, AND IS SET ON TOP OF A CONCRETE CYLINDER AND IT 0.7 FT. ABOVE THE GROUND. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. DB0827 119.793 BOR http://www.geocaching.com/mark/details.asp?PID=DB0827 119.793 BOR Geocache Geocache 119.793 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>119.793 BOR</h1> <b> PID </b> DB0827 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS NW (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 58 18. (N) 115 11 09. (W) SCALED <br> <b> NAVD 88 </b> 37.223 (meters) 122.12 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.10 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 37.180 (meters) 121.98 (feet) COMP <br> <b> MODELED GRAV</b> 979,522.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code F , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code F indicates a distribution rate greater than 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 589,780. </td><td> 2,099,480. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 36.482 (m) 119.69 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS695496(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 0 = UNSPECIFIED SETTING <br>STAMPING: 119.793 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 21.5 MI E FROM BRAWLEY. FROM THE INTERSECTION OF STATE HIGHWAY 78 (MAIN ST.) AND FIRST ST. IN BRAWLEY, PROCEED APPROXIMATELY 21.5 MILES E. ON STATE HIGHWAY 78 TO THE BRIDGE WHERE THE HIGHWAY CROSSES THE COCHELLA CANAL. THE BENCH MARK IS SET 10 FT. FROM THE E. END OF THE SOUTHERN WHEELGUARD OF THE NORTHERN MOST PART OF THE BRIDGE. SECTION 35, T 13 S., R 17 E. NOTE-- THIS POINT IS A COMMON MONUMENT WITH THE LEVEL LINE RUN BY THE IMPERIAL COUNTY SURVEYS AND IS THE END OF THE USBR BRL LINE. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. DB0519 121.035 BOR http://www.geocaching.com/mark/details.asp?PID=DB0519 121.035 BOR Geocache Geocache 121.035 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>121.035 BOR</h1> <b> PID </b> DB0519 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS SE (1954) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 50 06. (N) 115 05 41. (W) SCALED <br> <b> NAVD 88 </b> 37.611 (meters) 123.40 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.30 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 37.570 (meters) 123.26 (feet) COMP <br> <b> MODELED GRAV</b> 979,509.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 574,720. </td><td> 2,108,160. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 36.888 (m) 121.02 (f) ADJUSTED 2 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: 11SPS783346(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: 121.035 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 16 MI NE FROM HOLTVILLE. FROM THE INTERSECTION OF U.S. 80 AND HOLT RD. IN HOLTVILLE, PROCEED E. ON U.S. 80 APPROXIMATELY 27 MILES TO WHERE THE HIGHWAY CROSSES THE ALL AMERICAN CANAL, FOLLOW THE N. CANAL BANK N.E. ABOUT 1/2 MILE TO THE BEGINNING OF THE COCHELLA CANAL, FOLLOW THE W. BANK OF THE COCHELLA CANAL N. APPROXIMATELY 12.9 MILES. THE BENCH MARK IS ABOUT 30 FT. FROM THE TOE OF THE W. SPOILS BANK OF THE CANAL AND IS SET ON A CONCRETE CYLINDER, AND IS 0.5 FT. ABOVE THE GROUND SURFACE. SECTION 22, T 15 S., R 18 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. DB0517 125.995 BOR http://www.geocaching.com/mark/details.asp?PID=DB0517 125.995 BOR Geocache Geocache 125.995 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>125.995 BOR</h1> <b> PID </b> DB0517 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS SE (1954) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 49 08. (N) 115 04 44. (W) SCALED <br> <b> NAVD 88 </b> 39.087 (meters) 128.24 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.32 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 39.040 (meters) 128.08 (feet) COMP <br> <b> MODELED GRAV</b> 979,507.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 572,950. </td><td> 2,109,660. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 38.368 (m) 125.88 (f) ADJUSTED 2 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: 11SPS798328(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: 125.995 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD</td><td>NGS</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 16 MI E FROM HOLTVILLE. FROM THE INTERSECTION OF U.S. 80 AND HOLT RD. IN HOLTVILLE, PROCEED ON U.S. 80 E. APPROXIMATELY 27 MILES TO WHERE IT CRSSES THE ALL AMERICAN CANAL, FOLLOW THE N. CANAL BANK N.E. 1/2 MILE TO THE BEGINNING OF THE COCHELLA CANAL, FOLLOW THE W. CANAL BANK OF THE COCHELLA CANAL N. APPROXIMATELY 11.4 MILES. THE BENCH MARK IS AT THE TOE OF THE W. SPOILS BANK OF THE CANAL, AND IS SET ON TOP OF CONCRETE CYLINDER WHICH PROJECTS APPROXIMATELY 0.3 FT. ABOVE THE GROUND. SECTION 26, T 15 S., R 18 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERED 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 RECOVERED IN GOOD CONDITION. DW1196 13 JD USGS http://www.geocaching.com/mark/details.asp?PID=DW1196 13 JD USGS Geocache Geocache 13 JD USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>13 JD USGS</h1> <b> PID </b> DW1196 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> NILAND (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 08 51. (N) 115 35 50. (W) SCALED <br> <b> NAVD 88 </b> -62.737 (meters) -205.83 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.03 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -62.670 (meters) -205.61 (feet) COMP <br> <b> MODELED GRAV</b> 979,563.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code D , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code D indicates a distribution rate of 3.1 thru 4.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 608,970. </td><td> 2,060,900. </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: 11SPS308685(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE HEADWALL <br>STAMPING: 1955 -207 13 JD <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>1955 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 10.6 MI NW FROM CALIPATRIA. 3.5 MILES NORTH ALONG THE SOUTHERN PACIFIC COMPANY RAILROAD FROM THE CROSSING OF MAIN STREET IN CALIPATRIA, THENCE 5.15 MILES WEST ALONG SINCLAIR ROAD, THENCE 2.0 MILES SOUTH ALONG GARST ROAD, 19.5 FT NORTH OF THE CENTERLINE OF LINDSEY ROAD, 48 FT WEST OF THE CENTERLINE OF GARST ROAD, SET IN TOP AND 29 INCHES WEST OF THE SOUTHEAST CORNER OF THE NORTH HEADWALL OF A SIPHON UNDER LINDSEY ROAD IN VAIL LATERAL 3. DB1364 155 Y http://www.geocaching.com/mark/details.asp?PID=DB1364 155 Y Geocache Geocache 155 Y USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>155 Y</h1> <b> PID </b> DB1364 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> YUMA WEST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 32 43 04.63404(N) 114 43 53.22313(W) ADJUSTED <br> <b> NAVD 88 </b> 48.22 (+/-2cm) 158.2 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 1.72 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -33.91 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <b> VERT ORDER </b> THIRD ? (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1996. 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 6 </td><td> 562,176.238 2</td><td>142,359.710</td><td> MT </td><td>1.00001152</td><td> +0 ' 50 04.1"</td></tr><tr><td>SPC CA 6 </td><td>1,844,406.54 7</td><td>028,725.15 </td><td> sFT </td><td>1.00001152</td><td> +0 ' 50 04.1"</td></tr><tr><td>SPC AZ W </td><td> 190,907.506 </td><td>121,353.798</td><td> MT </td><td>1.00003768</td><td> -0 ' 31 49.9"</td></tr><tr><td>UTM 11 </td><td>3,622,295.737 </td><td>712,613.371</td><td> MT </td><td>1.00015743</td><td> +1 ' 13 35.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 6 </b> 0.99999775 x 1.00001152 = 1.00000927 <br> <b>SPC AZ W </b> 0.99999775 x 1.00003768 = 1.00003543 <br> <b>UTM 11 </b> 0.99999775 x 1.00015743 = 1.00015518 <br> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1992)</b> 32 43 04.63373(N) 114 43 53.22238(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 32 43 04.64676(N) 114 43 53.23134(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 32 43 04.47900(N) 114 43 50.38300(W) AD( ) 2 <br> NGVD 29 (07/19/86) 47.56 (m) 156.0 (f) LEVELING 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SQS1261322296(NAD 83) <br>MARKER: DB = BENCH MARK DISK <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>1934 </td><td>MONUMENTED </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1934 THE STATION WAS REACHED FROM GRAYS WELL BY GOING EASTERLY ON U.S. HIGHWAY 80 FOR 13.5 MILES TO A UNION SERVICE STATION ON THE RIGHT AND A SIGN ALGODONES 2-1/2 MILES. TURN RIGHT, SOUTH, THENCE WESTERLY FOR 2.3 MILES TO THE RAILROAD STATION AT CANTU. TURN RIGHT, NORTH, AND CROSS THE RAILROAD TRACKS IN FRONT OF THE RAILROAD STATION. THE AZIMUTH MARK IS ON THE LONE, HIGH KNOLL ON THE LEFT, WEST SIDE OF THE ROAD, IMMEDIATELY AFTER CROSSING THE RAILROAD TRACKS. PASS ON THE NORTH SIDE OF THE KNOLL AND GO WESTERLY THROUGH THE CUT ON THE TRACK ROAD FOR 0.2 MILE TO THE MONUMENT AND STATION. A 4-WHEEL DRIVE VEHICLE IS REQUIRED TO DRIVE ALL THE WAY TO THE STATION. THE U.S.G.S. BENCH MARK, STAMPED 155 Y, IS JUST NORTH OF THE MONUMENT. THE MARK IS SET IN TOP OF A 4-INCH CAST IRON PIPE WHICH PROJECTS ABOUT 8 INCHES. <p>THIS POINT ADJUSTED TO SURVEY OF 1941 MADE AFTER EL CENTRO DB1759 155 Y http://www.geocaching.com/mark/details.asp?PID=DB1759 155 Y Geocache Geocache 155 Y USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>155 Y</h1> <b> PID </b> DB1759 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> YUMA WEST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 05. (N) 114 43 53. (W) SCALED <br> <b> NAVD 88 </b> 48.22 (+/-2cm) 158.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.91 (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 6 </td><td> 562,190. </td><td> 2,142,370. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (07/19/86) 47.56 (m) 156.0 (f) LEVELING 3 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SQS126223(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>1934 </td><td>MONUMENTED </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1934 PRE-EARTHQUAKE POSITION. DB0292 156 http://www.geocaching.com/mark/details.asp?PID=DB0292 156 Geocache Geocache 156 USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>156</h1> <b> PID </b> DB0292 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> ARAZ (1973) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 45 10. (N) 114 41 41. (W) SCALED <br> <b> NAVD 88 </b> 48.57 (+/-2cm) 159.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.80 (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 6 </td><td> 566,090. </td><td> 2,145,750. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 47.926 (m) 157.24 (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: 11SQS159262(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND <br>SP_SET: METAL PIPE DRIVEN INTO GROUND <br>STAMPING: 156 SB <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>1941 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1965 </td><td>MARK NOT FOUND</td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1941 5.7 MI W FROM YUMA. TO REACH FROM THE SOUTHERN PACIFIC RAILROAD STATION AT YUMA-- GO 5.7 MILES WEST ALONG THE SOUTHERN PACIFIC RAILROAD TO THE SITE OF BENCH MARK. BENCH MARK IS ACROSS THE TRACKS FROM MILE POLE NO. 727, ABOUT 0.9 MILE EAST OF ARAZ JUNCTION. IT IS 33.0 FEET SOUTH OF AND ABOUT 4.0 FEET BELOW THE CENTERLINE OF THE TRACKS AND 3.0 FEET EAST OF A 4 X 4-INCH WOODEN MARKER POST. A STD. U.S.G.S. BRASS CAP RIVETED ON THE TOP OF A 3 1/2-INCH IRON PIPE PROJECTING 0.8 FOOT. <p> <h2>STATION RECOVERY (1965) </h2> <p>RECOVERED 1965 MARK NOT FOUND. DB0298 162.19 http://www.geocaching.com/mark/details.asp?PID=DB0298 162.19 Geocache Geocache 162.19 BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>162.19</h1> <b> PID </b> DB0298 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CACTUS (1963) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 46 48. (N) 114 59 21. (W) SCALED <br> <b> NAVD 88 </b> 50.115 (meters) 164.42 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.28 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 50.060 (meters) 164.24 (feet) COMP <br> <b> MODELED GRAV</b> 979,502.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 568,740. </td><td> 2,118,120. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 49.404 (m) 162.09 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS883286(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: 162.19 <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>BOR</td></tr><tr><td>1971 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD </td><td>CADWR</td></tr><tr><td>1977 </td><td>GOOD</td><td>CADWR</td></tr><tr><td>1980 </td><td>GOOD </td><td>BOR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 23 MI SE FROM HOLTVILLE. FROM THE INTERSECTION OF U.S. 80 AND HOLT RD. IN HOLTVILLE, PROCEED E. ON U.S. 80 APPROXIMATELY 27 MILES TO WHERE THE HIGHWAY CROSSES THE ALL AMERICAN CANAL, FOLLOW THE N. CANAL BANK N.E. 1/2 MILE TO THE BEGINNING OF THE COCHELLA CANAL, FOLLOW THE N. CANAL BANK OF THAT CANAL N. APPROXIMATELY 5.4 MILES. THE BENCH MARK IS LOCATED ON THE CENTER PIER OF A CONCRETE BRIDGE AT DROP 1 ON THE COCHELLA CANAL, APPROXIMATELY 2 FT. N. OF THE TRAVELED AREA OF THE BRIDGE, AND IT IS SET IN CONCRETE. SECTION 10, T 16 S., R 19 E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY CA DEPT OF WATER RES 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERED 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1980) </h2> <p>RECOVERY NOTE BY US BUREAU OF RECLAMATION 1980 DESTROYED. DW0349 186 USGS http://www.geocaching.com/mark/details.asp?PID=DW0349 186 USGS Geocache Geocache 186 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>186 USGS</h1> <b> PID </b> DW0349 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> TORTUGA (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 10 02. (N) 115 20 35. (W) SCALED <br> <b> NAVD 88 </b> 57.71 (+/-2cm) 189.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.85 (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 6 </td><td> 611,330. </td><td> 2,084,590. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 56.972 (m) 186.92 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS545710(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: 186 SB <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>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 AT TORTUGA. AT TORTUGA, IMPERIAL COUNTY, ON THE SOUTHERN PACIFIC CO. RAILROAD, 12 RAILS NORTHWEST OF THE STATION SIGN, 0.5 MILE EAST OF MILEPOST 678, 28 RAILS NORTHEAST OF SEMAPHORE 678.34 AND 678.4, 27-1/2 RAILS NORTHWEST OF BRIDGE 678.69, 72 FEET NORTHWEST OF A TELEPHONE POLE, AND 50 FEET SOUTHWEST OF THE CENTERLINE OF THE TRACK. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 186 SB AND RIVETED ON THE TOP OF AN IRON PIPE PROJECTING 1-1/2 FEET ABOVE GROUND. DB1029 2 A 1 DSI http://www.geocaching.com/mark/details.asp?PID=DB1029 2 A 1 DSI Geocache Geocache 2 A 1 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 1 DSI</h1> <b> PID </b> DB1029 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 23. (N) 115 30 30. (W) SCALED <br> <b> NAVD 88 </b> -2.309 (meters) -7.58 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -2.310 (meters) -7.58 (feet) COMP <br> <b> MODELED GRAV</b> 979,503.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,950. </td><td> 2,069,530. </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: 11SPS397215(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE HEADWALL <br>STAMPING: RCE-8013 1973 2-A-1 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.6 MI SE FROM HEBER. 0.65 MILE EAST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 0.5 MILE SOUTH ALONG PITZER ROAD, THENCE 0.5 MILE EAST ALONG FAWCETT ROAD, 204 FT NORTHWEST OF SAIKHOW 1 STEAM WELL HERAD, 57 FT SOUTH OF THE CENTERLINE OF FAWCETT ROAD, SET IN TOP AND 6 INCHES SOUTHWEST OF THE NORTHEAST CORNER OF THE SOUTH HEADWALL OF A SIPHON UNDER FAWCETT ROAD IN STROUT DRAIN. DB1045 2 A 10 DSI http://www.geocaching.com/mark/details.asp?PID=DB1045 2 A 10 DSI Geocache Geocache 2 A 10 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 10 DSI</h1> <b> PID </b> DB1045 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 58. (N) 115 33 33. (W) SCALED <br> <b> NAVD 88 </b> -1.899 (meters) -6.23 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.51 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.900 (meters) -6.23 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,150. </td><td> 2,064,770. </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: 11SPS350207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: REC 8013 1973 2-A-10 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 2.8 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 1.0 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2 TO DELIVERY 7-A, THENCE 0.95 MILE WEST ALONG A DIRT ROAD, 53 FT NORTH OF THE NORTHWEST CORNER OF A CHAIN LINK FENCE SURROUNDING HOLTZ 2 STEAM WELL, 68 FT NORTHWEST OF THE CENTER OF THE ENTRANCE GATE TO THE WELL, 10 FT NORTH OF THE CENTERLINE OF THE DIRT ROAD, 19 INCHES SOUTH OF THE SOUTH EDGE OF A CONCRETE LINED CANAL. DB1030 2 A 2 DSI http://www.geocaching.com/mark/details.asp?PID=DB1030 2 A 2 DSI Geocache Geocache 2 A 2 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 2 DSI</h1> <b> PID </b> DB1030 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 24. (N) 115 31 01. (W) SCALED <br> <b> NAVD 88 </b> 0.148 (meters) 0.49 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 0.150 (meters) 0.49 (feet) COMP <br> <b> MODELED GRAV</b> 979,502.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,980. </td><td> 2,068,720. </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: 11SPS389215(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE HEADWALL <br>STAMPING: RCE-8013 1973 2-A-2 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.1 MI SE FROM HEBER. 0.65 MILE EAST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER THENCE 0.5 MILE SOUTH ALONG PITZER ROAD TO THE JUNCTION OF FAWCETT ROAD, 37 FT EAST OF THE CENTERLINE OF PITZER ROAD, 35 FT NORTH OF THE CENTERLINE OF FAWCETT ROAD, SET IN TOP AND CENTER OF THE NORTH CONCRETE HEADWALL OF A SIPHON UNDER FAWCETT ROAD IN DAFFODIL CANAL. DB1031 2 A 3 DSI http://www.geocaching.com/mark/details.asp?PID=DB1031 2 A 3 DSI Geocache Geocache 2 A 3 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 3 DSI</h1> <b> PID </b> DB1031 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 24. (N) 115 31 30. (W) SCALED <br> <b> NAVD 88 </b> -1.211 (meters) -3.97 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.54 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.210 (meters) -3.97 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,970. </td><td> 2,067,960. </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: 11SPS382215(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE FOUNDATION <br>STAMPING: RCE-8013 1973 2-A-3 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 0.7 MI SOUTH FROM HEBER. 0.05 MILE EAST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER THENCE 0.5 MILE SOUTH ALONG HEFFERNAN AVENUE, THENCE 0.15 MILE EAST ALONG FAWCETT ROAD TO EL TORO LAND AND CATTLE COMPANY, 111 FT WEST SOUTHWEST OF THE SOUTHWEST CORNER OF THE OFFICE OF THE EL TORO LAND AND CATTLE COMPANY, 57 FT NORTH OF THE CENTERLINE OF FAWCETT ROAD, 134 FT EAST OF THE EXTENDED CENTERLINE OF WARE ROAD , SET IN TOP AND 21.3 FT WEST NORTHWEST OF THE SOUTHEAST CORNER OF A CONCRETE FOUNDATION OF A GRAIN DUMP AND ELEVATOR. DB1032 2 A 4 DSI http://www.geocaching.com/mark/details.asp?PID=DB1032 2 A 4 DSI Geocache Geocache 2 A 4 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 4 DSI</h1> <b> PID </b> DB1032 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 57. (N) 115 31 31. (W) SCALED <br> <b> NAVD 88 </b> 0.055 (meters) 0.18 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.54 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 0.060 (meters) 0.20 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,140. </td><td> 2,067,940. </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: 11SPS382207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE HEADWALL <br>STAMPING: RCE 8013 1973 2-A-4 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.1 MI SOUTH FROM HEBER. 0.05 MILE EAST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER THENCE 0.5 MILE SOUTH ALONG HEFFERNAN AVENUE, THENCE 0.1 MILE EAST ALONG FAWCETT ROAD, THENCE 0.5 MILE SOUTH ALONG WARE ROAD, 80.3 FT NORTH OF A POWERLINE POLE WITH 2 GUYWIRES AND 1 TRANSFORMER, 24.5 FT EAST OF THE CENTERLINE OF WARE ROAD, SET IN TOP AND 2 FT SOUTH OF THE NORTH END OF THE HEADWALL OF A SIPHON UNDER WARE ROAD. DB1033 2 A 5 DSI http://www.geocaching.com/mark/details.asp?PID=DB1033 2 A 5 DSI Geocache Geocache 2 A 5 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 5 DSI</h1> <b> PID </b> DB1033 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 57. (N) 115 31 35. (W) SCALED <br> <b> NAVD 88 </b> -0.491 (meters) -1.61 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.54 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -0.490 (meters) -1.61 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,140. </td><td> 2,067,840. </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: 11SPS381207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: RCE 8013 1973 2-A-5 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.2 MI SOUTH FROM HEBER. 0.05 MILE EAST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 0.5 MILE SOUTH ALONG HEFFERNAN AVENUE, THENCE 0.1 MILE EAST ALONG FAWCETT ROAD, THENCE 0.5 MILE SOUTH ALONG WARE ROAD, THENCE 0.05 MILE WEST ALONG A DIRT ROAD LEADING TO NOWLIN 1 STEAM WELL , 276 FT EAST OF THE CENTER OF THE ENTRANCE GATE TO NOWLIN 1 STEAM WELL, 11 FT SOUTH OF THE CENTERLINE OF THE DIRT ROAD, 3 FT WEST OF POWERLINE POLE 26807D. DB1034 2 A 6 DSI http://www.geocaching.com/mark/details.asp?PID=DB1034 2 A 6 DSI Geocache Geocache 2 A 6 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 6 DSI</h1> <b> PID </b> DB1034 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 57. (N) 115 31 38. (W) SCALED <br> <b> NAVD 88 </b> -0.858 (meters) -2.81 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.54 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -0.860 (meters) -2.82 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,140. </td><td> 2,067,760. </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: 11SPS380207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: RCE 8013 1973 2-A-6 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.3 MI SOUTH FROM HEBER. 0.05 MILE EAST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 0.5 MILE SOUTH ALONG HEFFERNAN AVENUE, THENCE 0.1 MILE EAST ALONG FAWCETT ROAD, THENCE 0.5 MILE SOUTH ALONG WARE ROAD, THENCE 0.1 MILE WEST ALONG A DIRT ROAD LEADING TO NOWLIN 1 STEAM WELL, 65.3 FT WEST NORTHWEST FROM THE CENTER OF THE ENTRANCE GATE TO NOWLIN 1 STEAM WELL, 11 FT SOUTH OF THE CENTERLINE OF THE DIRT ROAD, 2 FT WEST OF A POWERLINE POLE 26806D. DB1041 2 A 7 DSI http://www.geocaching.com/mark/details.asp?PID=DB1041 2 A 7 DSI Geocache Geocache 2 A 7 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 7 DSI</h1> <b> PID </b> DB1041 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 58. (N) 115 32 35. (W) SCALED <br> <b> NAVD 88 </b> -2.372 (meters) -7.78 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.52 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -2.370 (meters) -7.78 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,160. </td><td> 2,066,280. </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: 11SPS365207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: RCE 8013 1973 2-A-7 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.8 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 1.0 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2 TO DELIVERY GATE 7, 141 FT SOUTHWEST OF THE CENTER OF DELIVERY GATE 7, 63 FT SOUTH OF THE CENTERLINE OF THE SOUTHERN MOST DIRT ROAD LEADING WEST, 56 INCHES SOUTHWEST OF THE NORTHEAST CORNER OF A CHAIN LINK FENCE SURROUNDING HOLTZ 1 STEAM WELL. DB1042 2 A 8 DSI http://www.geocaching.com/mark/details.asp?PID=DB1042 2 A 8 DSI Geocache Geocache 2 A 8 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 8 DSI</h1> <b> PID </b> DB1042 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 58. (N) 115 32 37. (W) SCALED <br> <b> NAVD 88 </b> -2.335 (meters) -7.66 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.52 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -2.330 (meters) -7.64 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,160. </td><td> 2,066,230. </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: 11SPS364207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: RCE 8013 1973 2-A-8 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.9 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 1.0 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2 TO DELIVERY GATE 7, THENCE 0.05 MILE WEST ALONG THE SOUTHERN MOST OF 2 DIRT ROADS LEADING WEST, 65 FT SOUTH OF THE CENTERLINE OF THE SOUTHERN MOST DIRT ROAD, 55.5 FT SOUTH OF POWERLINE POLE 266430 WITH 3 TRANSFORMERS AND 1 GUY WIRE, 59 INCHES SOUTHEAST OF THE NORTHWEST CORNER OF A CHAIN LINK FENCE SURROUNDING HOLTZ 1 STEAM WELL. DB1044 2 A 9 DSI http://www.geocaching.com/mark/details.asp?PID=DB1044 2 A 9 DSI Geocache Geocache 2 A 9 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 A 9 DSI</h1> <b> PID </b> DB1044 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 42 58. (N) 115 33 31. (W) SCALED <br> <b> NAVD 88 </b> -1.960 (meters) -6.43 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.51 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.960 (meters) -6.43 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,150. </td><td> 2,064,820. </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: 11SPS350207(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: RCE 8013 1973 2-A-9 <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>1973 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 2.8 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 1.0 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2 TO DELIVERY 7-A, THENCE 0.95 MILE WEST ALONG A DIRT ROAD, 53 FT NORTH OF THE NORTHEAST CORNER OF A CHAIN LINK FENCE SURROUNDING HOLTZ 2 STEAM WELL, 95 FT NORTHEAST OF THE CENTER OF THE ENTRANCE GATE TO THE WELL, 10 FT NORTH OF THE CENTERLINE OF THE DIRT ROAD, 19 INCHES SOUTH OF THE SOUTH EDGE OF A CONCRETE LINED CANAL. DB1020 2 DOR USGS http://www.geocaching.com/mark/details.asp?PID=DB1020 2 DOR USGS Geocache Geocache 2 DOR USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>2 DOR USGS</h1> <b> PID </b> DB1020 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> MOUNT SIGNAL (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 44 32. (N) 115 44 21. (W) SCALED <br> <b> NAVD 88 </b> -7.287 (meters) -23.91 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.23 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -7.280 (meters) -23.88 (feet) COMP <br> <b> MODELED GRAV</b> 979,510.9 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 563,950. </td><td> 2,047,880. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NAVD 88 (02/01/93) -7.281 (m) -23.89 (f) UNKNOWN 1 1 <br> NGVD 29 (??/??/92) -8.011 (m) -26.28 (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: 11SPS181234(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>STAMPING: 2 DOR 1978 <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>1978 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1981 </td><td>GOOD </td><td>IID</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY IMPERIAL IRRIGATION DISTRICT 1981 7.1 MI SW FROM SEELEY. ABOUT 2.5 MILES WEST ALONG EVAN HEWES HIGHWAY TO WESTSIDE ROAD FROM DREW ROAD IN SEELEY, THENCE ABOUT 2.25 MILES SOUTH ALONG WESTSIDE ROAD TO VAUGHN ROAD, THENCE ABOUT 0.9 MILE WEST ALONG VAUGHN ROAD TO HYDE ROAD, THENCE ABOUT 0.9 MILE SOUTH ALONG HYDE ROAD TO THE WESTSIDE MAIN CANAL, THENCE ABOUT 0.55 MILE EAST ALONG THE NORTH BANK OF THE CANAL TO DELIVERY 13, IN THE SE 1/4 OF THE SW 1/4 OF SECTION 28, AND SET IN THE EAST UPSTREAM WINGWALL OF THE WESTSIDE MAIN DELIVERY 13. THE MARK IS ABOVE LEVEL WITH BANK. DW1441 20 PLUS 00 PIN CENTER LINE http://www.geocaching.com/mark/details.asp?PID=DW1441 20 PLUS 00 PIN CENTER LINE Geocache Geocache 20 PLUS 00 PIN CENTER LINE CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>20 PLUS 00 PIN CENTER LINE</h1> <b> PID </b> DW1441 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> KANE SPRING NE (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 33 10 43.70210(N) 115 49 58.39478(W) ADJUSTED <br> <b> NAVD 88 </b> -71. (meters) -233. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -1.18 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -34.02 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1996. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was scaled from a topographic map. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 6 </td><td> 612,326.437 2</td><td>038,899.947</td><td> MT </td><td>0.99995779</td><td> +0 ' 13 45.2"</td></tr><tr><td>SPC CA 6 </td><td>2,008,940.99 6</td><td>689,290.91 </td><td> sFT </td><td>0.99995779</td><td> +0 ' 13 45.2"</td></tr><tr><td>UTM 11 </td><td>3,671,716.223 </td><td>608,809.388</td><td> MT </td><td>0.99974597</td><td> +0 ' 38 19.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 6 </b> 1.00001654 x 0.99995779 = 0.99997433 <br> <b>UTM 11 </b> 1.00001654 x 0.99974597 = 0.99976251 <br> <p> <table border=1><tr><td>PID </td><td>Reference Object </td><td> Distance </td><td>Geod. Az </td></tr><tr><td>DW0251</td><td>SANDY </td><td> 64.265 METERS</td><td>058&deg; 31' </td></tr><tr><td>DW1433</td><td>SANDY 1942 RM 1 </td><td> 95.725 METERS</td><td>121&deg; 15' </td></tr><tr><td>DW1445</td><td>REFERENCE HUB 1 1942 </td><td> 58.073 METERS</td><td>202&deg; 22' </td></tr><tr><td>DW1446</td><td>REFERENCE HUB 2 1942 </td><td> 42.370 METERS</td><td>289&deg; 08' </td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1986)</b> 33 10 43.71299(N) 115 49 58.39728(W) AD(1984.00) 3 <br> <b> NAD 27 </b> 33 10 43.56000(N) 115 49 55.40000(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: 11SPS0880971716(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> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1942 (MGR) STATION IS THE 20 00 PIN OF THE RUNWAY AT SANDY BEACH ON THE W SHORE OF SALTON SEA. THIS STATION WAS NOT MARKED AS THE RUNWAY WAS TO BE PAVED AT AN EARLY DATE. HUBS WERE SET ALONG THE RUNWAY EDGE FOR MARKING OF STATION BY NAVY ENGINEERS UPON COMPLETION OF PAVING. DB1172 220 A http://www.geocaching.com/mark/details.asp?PID=DB1172 220 A Geocache Geocache 220 A NGS IBC Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>220 A</h1> <b> PID </b> DB1172 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CALEXICO (1957) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 32 39 53.62576(N) 115 29 46.76225(W) ADJUSTED <br> <b> NAVD 88 </b> 2.115 (meters) 6.94 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -1.10 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -34.54 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 2.112 (meters) 6.93 (feet) COMP <br> <b> MODELED GRAV</b> 979,493.9 (mgal) NAVD 88 <br> <p> <b> HORZ ORDER </b> SECOND <br> <b> VERT ORDER </b> FIRST CLASS I <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1996. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in March 1994. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 6 </td><td> 555,510.904 2</td><td>070,699.529</td><td> MT </td><td>1.00002182</td><td> +0 ' 24 51.0"</td></tr><tr><td>SPC CA 6 </td><td>1,822,538.69 6</td><td>793,620.04 </td><td> sFT </td><td>1.00002182</td><td> +0 ' 24 51.0"</td></tr><tr><td>UTM 11 </td><td>3,615,137.047 </td><td>641,002.657</td><td> MT </td><td>0.99984516</td><td> +0 ' 48 42.1"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 6 </b> 1.00000509 x 1.00002182 = 1.00002691 <br> <b>UTM 11 </b> 1.00000509 x 0.99984516 = 0.99985025 <br> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1992)</b> 32 39 53.62463(N) 115 29 46.76406(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 32 39 53.62830(N) 115 29 46.76670(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 32 39 53.41140(N) 115 29 43.78702(W) AD( ) 2 <br> NAVD 88 (06/15/91) 2.160 (m) 7.09 (f) UNKNOWN 1 1 <br> NGVD 29 (??/??/??) 1.441 (m) 4.73 (f) ADJUSTED 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: 11SPS4100315137(NAD 83) <br>MARKER: B = BOLT <br>SETTING: 34 = SET IN THE FOOTINGS OF SMALL/MEDIUM STRUCTURES <br>SP_SET: FOOT OF BOUNDARY MARKER <br>MARK LOGO: IBC <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 NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - October 29, 1991 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1975 </td><td>MONUMENTED </td><td>NGS</td></tr><tr><td>1981 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1982 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>1986 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>19880310</td><td>GOOD </td><td>CA-025</td></tr><tr><td>19911029</td><td>GOOD </td><td>CA-025</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1975 TO REACH STATION OFFSET 220 A FROM IMPERIAL AVENUE AND SECOND ST. IN CALEXICO, GO SOUTH ON IMPERIAL AVENUE FOR 0.2 MILE TO A PAVED ROAD LEFT, JUST BEFORE REACHING THE BORDER. TURN LEFT AND GO EAST ON PAVED ROAD FOR ABOUT 100 FEET TO STATION OFFSET 220 A ON THE RIGHT. <p>BOUNDARY MONUMENT 220 A (IBC) 1934 IS A UNITED STATES-MEXICO INTERNATIONAL BOUNDARY MONUMENT, THAT IS A 6 FEET HIGH OBLISK, BOLTED TO A 3X3 FEET CONCRETE BASE THAT IS ABOUT 12-INCHES ABOVE THE GROUND. IT IS 20.5 FEET EAST OF A LARGE POWER POLE, 10.5 FEET NORTH OF THE RAILROAD TRACK AND 1.5 FEET SOUTH OF A CURB. <p> <h2>STATION RECOVERY (1981) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981 IN CALEXICO. THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. IN CALEXICO, AT THE MAIN U.S.-MEXICO BORDER CROSSING, THE MARK IS THE EAST ONE OF FOUR BOLTS IN THE CONCRETE FOUNDATION OF THE INTERNATIONAL BOUNDARY MONUMENT NUMBER 220 A, 10.4 M (34.0 FT) SOUTHEAST OF THE SOUTHEAST CORNER OF THE SOUTH CUSTOMS INSPECTION STATION, 35.1 M (115 FT) EAST OF TRIANGULATION STATION OFFSET 220 A, 6.9 M (22.5 FT) SOUTHEAST OF A POWER POLE WITH METAL STEPS, 3.5 M (11.5 FT) NORTHEAST OF THE NORTHEAST RAIL OF THE SOUTHERN PACIFIC RAILROAD, 0.3 M (1.2 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE CONCRETE CURB OF THE HIGHWAY LEADING NORTHWEST TO THE U.S., 0.15 M (0.5 FT) EAST OF THE EAST FACE OF THE MONUMENT, NOTE-THE HIGH POINT IS THE LIP ON THE NORTH EDGE OF THE BOLT. <p> <h2>STATION RECOVERY (1982) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1982 RECOVERED IN GOOD CONDITION BUT NOT LEVELED TO DURING THIS SURVEY. <p> <h2>STATION RECOVERY (1986) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1986 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1988 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1991) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1991 IN CALEXICO, AT THE MAIN U.S.-MEXICO BORDER CROSSING, THE MARK IS THE EAST ONE OF FOUR BOLTS IN THE CONCRETE FOUNDATION OF THE INTERNATIONAL BOUNDARY MONUMENT NUMBER 220 A, 10.4 M (34.1 FT) SOUTHEAST OF THE SOUTHEAST CORNER OF THE SOUTH CUSTOMS INSPECTION STATION, 35.1 M (115.2 FT) EAST OF TRIANGULATION STATION OFFSET 220 A, 6.9 M (22.6 FT) SOUTHEAST OF A POWER POLE WITH METAL STEPS, 3.5 M (11.5 FT) NORTHEAST OF THE NORTHEAST RAIL OF THE SOUTHERN PACIFIC RAILROAD, 0.3 M (1.0 FT) SOUTHWEST OF THE SOUTHWEST EDGE OF THE CONCRETE CURB OF THE HIGHWAY LEADING NORTHWEST TO THE U.S., 0.15 M (0.49 FT) EAST OF THE EAST FACE OF THE MONUMENT. NOTE-THE HIGH POINT IS THE LIP ON THE NORTH EDGE OF THE BOLT. DW0347 220 USGS http://www.geocaching.com/mark/details.asp?PID=DW0347 220 USGS Geocache Geocache 220 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>220 USGS</h1> <b> PID </b> DW0347 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> TORTUGA (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 08 37. (N) 115 17 45. (W) SCALED <br> <b> NAVD 88 </b> 68.01 (+/-2cm) 223.1 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.82 (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 6 </td><td> 608,750. </td><td> 2,089,020. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 67.260 (m) 220.67 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS589685(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: 220 SB <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>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 2.9 MI NW FROM AMOS. 2.9 MILES NORTHWEST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE STATION AT AMOS, IMPERIAL COUNTY, 0.3 MILE WEST OF MILEPOST 682, 7-1/2 RAILS WEST OF BRIDGE 681.78, 46 FEET EAST OF THE CENTER OF A PUBLIC-ROAD CROSSING, 41 FEET NORTHEAST OF THE CENTERLINE OF THE TRACK, AND 25 FEET SOUTHEAST OF A TELEPHONE POLE. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 220 SB AND RIVETED ON THE TOP OF AN IRON PIPE PROJECTING 8 INCHES ABOVE GROUND. DW0252 -227.10 http://www.geocaching.com/mark/details.asp?PID=DW0252 -227.10 Geocache Geocache -227.10 USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>-227.10</h1> <b> PID </b> DW0252 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> KANE SPRING NE (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 11 35. (N) 115 49 57. (W) SCALED <br> <b> NAVD 88 </b> -68.59 (+/-2cm) -225.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.99 (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 6 </td><td> 613,910. </td><td> 2,038,930. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -69.237 (m) -227.16 (f) ADJUSTED 1 2 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS088732(NAD 83) <br>MARKER: N = NAIL <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: PILING <br>STAMPING: -227.10 5-23-55 <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1956 </td><td>GOOD </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1956 AT SALTON SEA BASE. AT THE SALTON SEA BASE, AT THE NEW PIER, IN THE TOP OF THE FIRST PILING EAST OF THE THIRD FINGER PIER. NOTE-- AUTOMATIC GAUGE ON THE SOUTH END OF THE THIRD FINGER PIER. STAFF ON THE WEST SIDE OF THE FIRST PILING EAST OF THE FOURTH FINGER PIER, 1 INCH NORTH OF A METAL TAG STAMPED -227.10 5-23-55. WASHER IS STAMPED USGS B.M. DW9019 229 Y http://www.geocaching.com/mark/details.asp?PID=DW9019 229 Y Geocache Geocache 229 Y USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>229 Y</h1> <b> PID </b> DW9019 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> PICACHO NW (1965) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 33 14 40.68269(N) 114 41 26.48116(W) ADJUSTED <br> <b> NAVD 88 </b> 70.91 (+/-2cm) 232.6 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 1.39 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -33.27 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> THIRD ? (See Below) <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1996. 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 6 </td><td> 620,635.738 2</td><td>145,307.225</td><td> MT </td><td>0.99995535</td><td> +0 ' 51 24.7"</td></tr><tr><td>SPC CA 6 </td><td>2,036,202.42 7</td><td>038,395.45 </td><td> sFT </td><td>0.99995535</td><td> +0 ' 51 24.7"</td></tr><tr><td>SPC AZ W </td><td> 249,283.202 </td><td>125,697.235</td><td> MT </td><td>1.00002805</td><td> -0 ' 30 56.6"</td></tr><tr><td>UTM 11 </td><td>3,680,785.400 </td><td>715,152.313</td><td> MT </td><td>1.00017076</td><td> +1 ' 15 59.3"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 6 </b> 0.99999409 x 0.99995535 = 0.99994944 <br> <b>SPC AZ W </b> 0.99999409 x 1.00002805 = 1.00002214 <br> <b>UTM 11 </b> 0.99999409 x 1.00017076 = 1.00016485 <br> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1992)</b> 33 14 40.68298(N) 114 41 26.48112(W) AD(1984.00) 3 <br> <b> NAD 83(1986)</b> 33 14 40.69060(N) 114 41 26.48765(W) AD(1984.00) 3 <br> NGVD 29 (04/26/91) 70.21 (m) 230.3 (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: 11SQS1515280785(NAD 83) <br>MARKER: DD = SURVEY DISK <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>1954 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>20000830</td><td>MARK NOT FOUND </td><td>LOCSUR</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY US GEOLOGICAL SURVEY 1954 LOCATED AT WALTERS CAMP, ON WEST BANK OF COLORADO RIVER. <p>TO REACH NOT GIVEN. <p>STATION MARK--BM TABLET STAMPED---229 Y---, ON IRON POST IN GROUND, 40 FT E. OF WHERE RD. CURVES TO S. <p>RMS--NONE SET. <p> <h2>STATION RECOVERY (2000) </h2> <p>RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 2000 (HPB) DID GPS SEARCH FOR MONUMENT. POSITION LIES BETWEEN TWO TRAILERS IN TRAILER PARK AT WALTERS CAMP ON WEST BANK OF COLORADO RIVER. AI4525 23 JRH http://www.geocaching.com/mark/details.asp?PID=AI4525 23 JRH Geocache Geocache 23 JRH USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>23 JRH</h1> <b> PID </b> AI4525 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CARRIZO MTN (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 47 21. (N) 116 06 12. (W) SCALED <br> <b> NAVD 88 </b> 279.345 (meters) 916.48 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -33.38 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 279.008 (meters) 915.38 (feet) COMP <br> <b> MODELED GRAV</b> 979,425.6 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> THIRD <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in May 2000. <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 6 </td><td> 569,050. </td><td> 2,013,740. </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: 11SNS839282(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 23 JRH 914 1957 <br>MARK LOGO: USGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - March 28, 1995 <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>USGS</td></tr><tr><td>19950328</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1995 (ATD) THE STATION IS LOCATED 6.9 MI (11.1 KM) NORTHWEST OF OCOTILLO ON THE SOUTHWEST SIDE OF IMPERIAL COUNTY ROUTE S-2, KNOWN LOCALLY AS THE IMPERIAL HIGHWAY, AT POST MILE 56.5. TO REACH FROM THE INTERSECTION OF INTERSTATE 8 AND IMPERIAL COUNTY S-2 IN OCOTILLO, TRAVEL NORTH THEN WEST ON S-2 FOR 1.35 MI (2.17 KM) TO THE INTERSECTION OF SHELL CANYON ROAD. CONTINUE STRAIGHT AHEAD, WEST THEN NORTHWEST 7.1 MI (11.4 KM) TO A SIGN AND MONUMENT MARKING THE SAN DIEGO-IMPERIAL COUNTY LINE AND THE STATION MARK ON THE LEFT, SOUTHWEST. STATION MARK IS 77 FT (23.5 M) SOUTHWEST OF CENTERLINE OF S-2, 38 FT (11.6 M) NORTHWEST OF THE CENTER OF A DIRT ROAD RUNNING NORTH AND SOUTH, 57.5 FT (17.5 M) SOUTHWEST OF A SIGN READING IMPERIAL COUNTY, 1.0 FT (0.3 M) NORTHEAST OF A METAL WITNESS POST, AND 1.0 FT (0.3 M) HIGHER THAN S-2. THE STATION WAS LEVELED TO BY CADT AS A PART OF THE 1995 PERIPHERAL RUN IN SAN DIEGO COUNTY TO ESTABLISH NAVD 1988. AF9875 24 JRH http://www.geocaching.com/mark/details.asp?PID=AF9875 24 JRH Geocache Geocache 24 JRH USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>24 JRH</h1> <b> PID </b> AF9875 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CARRIZO MTN (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 32 46 09.46425(N) 116 04 39.07119(W) ADJUSTED <br> <b> NAVD 88 </b> 243.869 (meters) 800.09 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,359,940.795 (meters) COMP <br> <b> Y </b> -4,822,026.374 (meters) COMP <br> <b> Z </b> 3,432,586.603 (meters) COMP <br> <b> LAPLACE CORR</b> -5.72 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> 210.45 (meters) (07/28/98) GPS OBS <br> <b> GEOID HEIGHT</b> -33.43 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 243.575 (meters) 799.13 (feet) COMP <br> <b> MODELED GRAV</b> 979,427.2 (mgal) NAVD 88 <br> <p> <b> HORZ ORDER </b> FIRST <br> <b> VERT ORDER </b> THIRD <br> <b> ELLP ORDER </b> FOURTH CLASS II <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in July 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 differential leveling and adjusted by the National Geodetic Survey in May 2000. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 6 </td><td> 566,846.738 2</td><td>016,160.681</td><td> MT </td><td>1.00000237</td><td> +0 ' 05 41.2"</td></tr><tr><td>SPC CA 6 </td><td>1,859,729.67 6</td><td>614,687.17 </td><td> sFT </td><td>1.00000237</td><td> +0 ' 05 41.2"</td></tr><tr><td>UTM 11 </td><td>3,626,087.988 </td><td>586,399.389</td><td> MT </td><td>0.99969204</td><td> +0 ' 29 57.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 6 </b> 0.99996696 x 1.00000237 = 0.99996933 <br> <b>UTM 11 </b> 0.99996696 x 0.99969204 = 0.99965901 <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: 11SNS8639926088(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 24 JRH 798 1957 <br>MARK LOGO: USGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - March 29, 1995 <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>USGS</td></tr><tr><td>19950329</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1995 (ATD) THE STATION IS LOCATED 4.9 MI (7.9 KM) NORTHWEST OF OCOTILLO ON THE WEST SIDE OF IMPERIAL COUNTY ROAD S-2, KNOWN LOCALLY AS THE IMPERIAL HWY, AT POST MILE 58.5. TO REACH FROM THE INTERSECTION OF INTERSTATE 8 AND IMPERIAL COUNTY S-2 IN OCOTILLO DRIVE NORTH THEN WEST ON S-2 FOR 1.35 MI (2.17 KM) TO THE INTERSECTION OF SHELL CANYON ROAD. CONTINUE STRAIGHT AHEAD, WEST THEN NORTHWEST 3.8 MI (6.1 KM) TO THE END OF A CURVE TO THE RIGHT. CONTINUE STRAIGHT AHEAD NORTHWEST 1.1 MI (1.8 KM) TO THE STATION MARK ON THE LEFT. THE STATION MARK IS ABOUT 670 FT (204.2 M) SOUTHEAST OF A DIP IN THE ROAD AT A DRY WASH, 550 FT (167.6 M) NORTHWEST OF A PROMINENT DIP IN THE ROAD AT A DRY CREEK, 46.7 FT (14.2 M) SOUTHWEST OF THE CENTERLINE OF S-2, AND 1.0 FT (0.3 M) HIGHER THAN THE CENTERLINE OF S-2. THE STATION WAS LEVELED TO BY CADT AS AS PART OF THE 1995 PERIPHERAL RUN IN SAN DIEGO COUNTY TO ESTABLISH NAVD 1988. OCCUPIED BY GPS RECEIVER AS PART OF SAN DIEGO VERTICAL GPS SURVEY. AI4524 25 JRH http://www.geocaching.com/mark/details.asp?PID=AI4524 25 JRH Geocache Geocache 25 JRH USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>25 JRH</h1> <b> PID </b> AI4524 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CARRIZO MTN (1975) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 45 19. (N) 116 02 53. (W) SCALED <br> <b> NAVD 88 </b> 205.772 (meters) 675.10 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -33.51 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 205.523 (meters) 674.29 (feet) COMP <br> <b> MODELED GRAV</b> 979,427.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> THIRD <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in May 2000. <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 6 </td><td> 565,300. </td><td> 2,018,920. </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: 11SNS891245(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>STAMPING: 25 JRH 673 1957 <br>MARK LOGO: USGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - March 29, 1995 <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>USGS</td></tr><tr><td>19950329</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY CALTRANS 1995 (ATD) THE STATION IS LOCATED 3.1 MI (5.0 KM) NORTHWEST OF OCOTILLO ON THE SOUTH SIDE OF IMPERIAL COUNTY ROUTE S-2, KNOW LOCALLY AS IMPERIAL HIGHWAY, AT POST MILE 60.5. TO REACH FROM THE INTERSECTION OF INTERSTATE 8 AND RTE S-2 IN OCOTILLO, TRAVEL NORTH THEN WEST ON RTE S-2 FOR 1.35 MI (2.17 KM) TO THE INTERSECTION OF SHELL CANYON ROAD. CONTINUE STRAIGHT AHEAD 2.5 MI (4.0 KM) TO A PAVED ROAD RIGHT, NORTH, CONTINUE 0.3 MI (0.5 KM) TO A DIRT ROAD AND THE STATION MARK ON THE LEFT, SOUTH. THE STATION MARK IS 61.5 FT (18.7 M) SOUTH OF THE CENTERLINE OF S-2, 67 FT (20.4 M) WEST OF THE CENTER OF THE DIRT ROAD, AND 1.0 FT (0.3 M) HIGHER THAN THE CENTERLINE OF S-2. THE STATION WAS LEVELED TO BY CADT AS A PART OF THE 1995 PERIPHERAL RUN IN SAN DIEGO COUNTY TO ESATABLISH NAVD 1988. DW0005 271 USGS http://www.geocaching.com/mark/details.asp?PID=DW0005 271 USGS Geocache Geocache 271 USGS CGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>271 USGS</h1> <b> PID </b> DW0005 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> ACOLITA (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 33 03 58.13929(N) 115 10 34.29630(W) ADJUSTED <br> <b> NAVD 88 </b> 83.47 (+/-2cm) 273.9 (feet) VERTCON <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 2.38 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -33.86 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <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 June 1996. 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 6 </td><td> 600,271.113 2</td><td>100,270.444</td><td> MT </td><td>0.99996500</td><td> +0 ' 35 24.3"</td></tr><tr><td>SPC CA 6 </td><td>1,969,389.48 6</td><td>890,637.28 </td><td> sFT </td><td>0.99996500</td><td> +0 ' 35 24.3"</td></tr><tr><td>UTM 11 </td><td>3,660,099.123 </td><td>670,256.889</td><td> MT </td><td>0.99995742</td><td> +0 ' 59 43.2"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 6 </b> 0.99999221 x 0.99996500 = 0.99995721 <br> <b>UTM 11 </b> 0.99999221 x 0.99995742 = 0.99994963 <br> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1992)</b> 33 03 58.14088(N) 115 10 34.29610(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 33 03 58.15137(N) 115 10 34.30742(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 33 03 58.00900(N) 115 10 31.39600(W) AD( ) 2 <br> NGVD 29 (??/??/??) 82.721 (m) 271.39 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS7025760099(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: 271 SB <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1949 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1949 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1949 SEE STATION ACOLITA <p> <h2>STATION RECOVERY (1949) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1949 0.4 MI SE FROM ACOLITA. 0.4 MILE SOUTHEAST ALONG THE SOUTHERN PACIFIC CO. RAILROAD FROM THE STATION AT ACOLITA, IMPERIAL COUNTY, 0.5 MILE SOUTHEAST OF THE SWITCH STAND AT THE SOUTHEAST END OF A SIDING, 3-1/2 RAILS SOUTH OF SEMAPHORE 690.6 AND 690.5, 56 FEET SOUTHEAST OF A POLE, 48 FEET SOUTHWEST OF THE CENTERLINE OF THE TRACK, AND 3 FEET SOUTH OF THE ROW OF POLES. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 271 SB AND RIVETED ON THE TOP OF AN IRON PIPE PROJECTING 1-1/2 FEET ABOVE GROUND. DW0002 295 USGS http://www.geocaching.com/mark/details.asp?PID=DW0002 295 USGS Geocache Geocache 295 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>295 USGS</h1> <b> PID </b> DW0002 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> EAST OF ACOLITA (1988) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 01 19. (N) 115 06 28. (W) SCALED <br> <b> NAVD 88 </b> 90.74 (+/-2cm) 297.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.85 (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 6 </td><td> 595,440. </td><td> 2,106,710. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 89.994 (m) 295.26 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS767553(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: 295 SB <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>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 AT MESQUITE. AT MESQUITE, IMPERIAL COUNTY, ON THE SOUTHERN PACIFIC CO. RAILROAD, 40 YARDS WEST OF THE STATION SIGN, 0.5 MILE EAST OF MILEPOST 695, 50 FEET SOUTHWEST OF THE CENTERLINE OF THE TRACK, 43 FEET SOUTHEAST OF A TELEPHONE POLE, AND 5 FEET SOUTHWEST OF THE ROW OF POLES. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 295 SB AND RIVETED ON THE TOP OF AN IRON PIPE PROJECTING 1-1/2 FEET ABOVE GROUND. DB1039 3 A 1 DSI http://www.geocaching.com/mark/details.asp?PID=DB1039 3 A 1 DSI Geocache Geocache 3 A 1 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 A 1 DSI</h1> <b> PID </b> DB1039 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 11. (N) 115 32 40. (W) SCALED <br> <b> NAVD 88 </b> -1.824 (meters) -5.98 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.52 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.820 (meters) -5.97 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,560. </td><td> 2,066,140. </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: 11SPS364211(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: 3-A-1 1975 RCE-11736 <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>1975 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.7 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER THENCE 0.75 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2, TO DELIVERY GATE 7-A, 629 FT WEST OF THE CENTERLINE OF THE DIRT ROAD LEADING SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2, 22 FT NORTH OF THE CENTERLINE OF THE DIRT ROAD LEADING WEST, 1.5 FT NORTH OF THE NORTH EDGE OF A CONCRETE LINED CANAL. DB1038 3 A 2 DSI http://www.geocaching.com/mark/details.asp?PID=DB1038 3 A 2 DSI Geocache Geocache 3 A 2 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 A 2 DSI</h1> <b> PID </b> DB1038 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 11. (N) 115 32 37. (W) SCALED <br> <b> NAVD 88 </b> -1.831 (meters) -6.01 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.52 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.830 (meters) -6.00 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,560. </td><td> 2,066,220. </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: 11SPS364211(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: 3-A-2 1975 RCE-11736 <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>1975 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.6 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 0.75 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2 TO DELIVERY GATE 7-A, THENCE 0.05 MILE WEST ALONG A DIRT ROAD, 317 FT WEST OF THE CENTERLINE OF THE DIRT ROAD LEADING SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2, 22 FT NORTH OF THE CENTERLINE OF THE DIRT ROAD LEADING WEST, 2.5 FT NORTH OF THE NORTH EDGE OF A CONCRETE LINED CANAL. DB1037 3 A 3 DSI http://www.geocaching.com/mark/details.asp?PID=DB1037 3 A 3 DSI Geocache Geocache 3 A 3 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 A 3 DSI</h1> <b> PID </b> DB1037 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 11. (N) 115 32 33. (W) SCALED <br> <b> NAVD 88 </b> -1.337 (meters) -4.39 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.52 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.340 (meters) -4.40 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,560. </td><td> 2,066,330. </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: 11SPS365211(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE WINGWALL <br>STAMPING: 3-A-3 1975 RCE-11736 <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>1975 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.6 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 0.75 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2 ,17 FT EAST OF THE CENTERLINE OF THE DIRT ROAD, 64 FT NORTH OF THE CENTER OF DELIVERY GATE 7-A, SET IN TOP AND 11.6 FT SOUTHEAST OF THE NORTHWEST CORNER OF THE NORTHWEST WINGWALL OF A CHECK IN DOGWOOD LATERAL 2 FOR DELIVERY GATE 7-A. DB1036 3 A 4 DSI http://www.geocaching.com/mark/details.asp?PID=DB1036 3 A 4 DSI Geocache Geocache 3 A 4 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 A 4 DSI</h1> <b> PID </b> DB1036 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 24. (N) 115 32 33. (W) SCALED <br> <b> NAVD 88 </b> -1.770 (meters) -5.81 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.53 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.770 (meters) -5.81 (feet) COMP <br> <b> MODELED GRAV</b> 979,500.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,960. </td><td> 2,066,320. </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: 11SPS365215(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE WINGWALL <br>STAMPING: 3-A-4 1975 RCE-11736 <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>1975 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 1.3 MI SW FROM HEBER. 0.85 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER, THENCE 0.5 MILE SOUTH ALONG THE WEST SIDE OF DOGWOOD LATERAL 2, 27 FT EAST OF CENTERLINE OF THE DIRT ROAD, 55 FT NORTH OF DELIVERY GATE 8, SET IN TOP AND 8.5 FT SOUTHWEST OF THE NORTHEAST CORNER OF THE NORTHEAST WINGWALL OF A CHECK IN DOGWOOD LATERAL 2 FOR DELIVERY GATE 8. DB1035 3 A 9 DSI http://www.geocaching.com/mark/details.asp?PID=DB1035 3 A 9 DSI Geocache Geocache 3 A 9 DSI DSI Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 A 9 DSI</h1> <b> PID </b> DB1035 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HEBER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 24. (N) 115 32 02. (W) SCALED <br> <b> NAVD 88 </b> -1.538 (meters) -5.05 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.53 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -1.540 (meters) -5.05 (feet) COMP <br> <b> MODELED GRAV</b> 979,501.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code E , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code E indicates a distribution rate of 4.1 thru 8.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 561,970. </td><td> 2,067,130. </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: 11SPS373215(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE WINGWALL <br>STAMPING: 3-A-9 1975 RCE-11736 <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>1975 </td><td>MONUMENTED </td><td>DSI</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 0.8 MI SW FROM HEBER. 0.35 MILE WEST ALONG STATE HIGHWAY 86 FROM THE POST OFFICE IN HEBER THENCE 0.5 MILE SOUTH ALONG DOGWOOD ROAD TO THE JUNCTION OF FAWCETT ROAD, 54.5 FT EAST OF THE CENTERLINE OF DOGWOOD ROAD, 111 FT NORTH OF THE CENTERLINE OF FAWCETT ROAD, SET IN TOP AND 10.6 FT SOUTH OF THE NORTHWEST WINGWALL OF A CHECK IN DOGWOOD CANAL FOR DELIVERY GATES 36 AND 37. DB1021 3 DOR USGS http://www.geocaching.com/mark/details.asp?PID=DB1021 3 DOR USGS Geocache Geocache 3 DOR USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 DOR USGS</h1> <b> PID </b> DB1021 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> MOUNT SIGNAL (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 56. (N) 115 43 22. (W) SCALED <br> <b> NAVD 88 </b> -6.975 (meters) -22.88 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.25 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -6.970 (meters) -22.87 (feet) COMP <br> <b> MODELED GRAV</b> 979,511.0 (mgal) NAVD 88 <br> <b> OBS GRAVITY </b> 979,507.2 (mgal) GRAV_OBS <br> <p> <b> VERT ORDER </b> * READJUSTED, Code C , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code C indicates a distribution rate of 2.1 thru 3.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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. The observed gravity was obtained from relative gravimeter ties to the IGSN71 gravity network. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 6 </td><td> 562,850. </td><td> 2,049,420. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NAVD 88 (02/01/93) -6.968 (m) -22.86 (f) UNKNOWN 1 1 <br> NGVD 29 (??/??/92) -7.699 (m) -25.26 (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: 11SPS196223(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>STAMPING: 3 DOR 1978 <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>1978 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1981 </td><td>GOOD </td><td>IID</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY IMPERIAL IRRIGATION DISTRICT 1981 6.0 MI SW FROM SEELEY. ABOUT 3.5 MILES SOUTH ALONG DREW ROAD TO WIXOM ROAD FROM EVAN HEWES HIGHWAY IN SEELEY, THENCE ABOUT 1.4 MILES WEST ALONG WIXOM ROAD TO LIEBERT ROAD, THENCE ABOUT 0.6 MILE SOUTH ALONG LIEBERT ROAD TO WEST- SIDE MAIN CANAL, THENCE ABOUT 0.5 MILE WEST ALONG THE NORTH BANK OF WESTSIDE CANAL AND SOUTH SIDE OF FERN SIDE MAIN CANAL TO DELIVERY 12A IN THE FERN SIDE MAIN CANAL, NEAR THE CENTER OF THE NORTH LINE OF THE SW 1/4 OF SECTION 34, AND SET IN THE EAST UPSTREAM WINGWALL OF FERN SIDE MAIN DELIVERY 12A. THE MARK IS ABOVE LEVEL WITH BANK. DB0553 3 USN http://www.geocaching.com/mark/details.asp?PID=DB0553 3 USN Geocache Geocache 3 USN DOD Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 USN</h1> <b> PID </b> DB0553 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> HOLTVILLE EAST (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 50 29. (N) 115 16 35. (W) SCALED <br> <b> NAVD 88 </b> 17.19 (+/-2cm) 56.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.46 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> FIRST CLASS II (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 6 </td><td> 575,250. </td><td> 2,091,150. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 16.487 (m) 54.09 (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: 11SPS613350(NAD 83) <br>MARKER: N = NAIL <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: SIDEWALK <br>STAMPING: BM NO 3 EL 54.10 <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>1945 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1965 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1945 AT HOLTVILLE. AT AIR STATION SET IN THE CONCRETE SIDEWALK, 6-INCHES NORTHWEST OF THE NORTHWEST FACE OF BUILDING NUMBER 26, 6 INCHES NORTHEAST OF THE SOUTHWEST EDGE OF THE WALK. AN ALUMINUM TAG NAILED TO THE WALL ABOVE THE MARK IS STAMPED BM. NO. 3 EL. 54.10. A COPPER NAIL, SET IN A LEAD PLUG. NOTE-- THE HOLTVILLE NAVAL AUXILIARY AIR STATION IS NOW THE IMPERIAL VALLEY TUBERCULOSIS SANITARIUM. <p> <h2>STATION RECOVERY (1965) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1965 MARK NOT FOUND. DW0256 3 USN http://www.geocaching.com/mark/details.asp?PID=DW0256 3 USN Geocache Geocache 3 USN DOD Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3 USN</h1> <b> PID </b> DW0256 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> KANE SPRING NE (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 11 34. (N) 115 50 11. (W) SCALED <br> <b> NAVD 88 </b> -68.03 (+/-2cm) -223.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.99 (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 6 </td><td> 613,880. </td><td> 2,038,570. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -68.671 (m) -225.30 (f) ADJUSTED 1 2 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS084732(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: STEP <br>STAMPING: BM NO 3 EL 225.35 <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>1952 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1956 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1952 AT SALTON SEA TEST BASE. AT SALTON SEA TEST BASE (AEC), IMPERIAL COUNTY, AT THE EAST END OF BUILDING 6, IN THE CONCRETE STEP AT THE SOUTH ENTRANCE, AND BELOW A METAL PLATE STAMPED BM NO. 3 EL. 225.35. A BRASS SCREW IN A LEAD-FILLED HOLE. NOTE-- BUILDING NO. 6 HAS BEEN DESTROYED. <p> <h2>STATION RECOVERY (1956) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1956 RECOVERED IN GOOD CONDITION. DW0101 3315 3 A IID http://www.geocaching.com/mark/details.asp?PID=DW0101 3315 3 A IID Geocache Geocache 3315 3 A IID IID Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3315 3 A IID</h1> <b> PID </b> DW0101 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> WESTMORLAND EAST (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 01 02. (N) 115 37 18. (W) SCALED <br> <b> NAVD 88 </b> -43.60 (+/-2cm) -143.0 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.32 (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 6 </td><td> 594,510. </td><td> 2,058,710. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -44.277 (m) -145.27 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS287540(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: HEADWALL <br>STAMPING: 3315-3A <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>IID</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 1.4 MI S FROM WESTMORELAND. 1.4 MILES SOUTH ALONG SOUTH CENTER STREET AND FORRESTER ROAD FROM THE POST OFFICE IN WESTMORELAND TO THE MARK ON THE RIGHT IN THE NORTHWEST CORNER OF THE INTERSECTION OF FORRESTER ROAD AND ANDRE ROAD. IT IS SET IN A DRILL HOLE IN THE CURVED HEADWALL OF THE CONCRETE IRRIGATION CANAL, 57 1/2 FEET NORTH OF ANDRE ROAD, 37 1/2 FEET WEST OF FORRESTER ROAD AND 3 FEET SOUTH OF GATE MARKED TRIF. S 5. DW0102 3322 3 IID http://www.geocaching.com/mark/details.asp?PID=DW0102 3322 3 IID Geocache Geocache 3322 3 IID IID Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3322 3 IID</h1> <b> PID </b> DW0102 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> WESTMORLAND EAST (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 00 24. (N) 115 37 19. (W) SCALED <br> <b> NAVD 88 </b> -41.03 (+/-2cm) -134.6 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.34 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 6 </td><td> 593,340. </td><td> 2,058,690. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -41.700 (m) -136.81 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS287528(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: HEADWALL <br>STAMPING: 3322-3 <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>IID</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 2 MI S FROM WESTMORELAND. 2.05 MILES SOUTH ALONG SOUTH CENTER STREET AND FORRESTER ROAD FROM THE POST OFFICE IN WESTMORELAND TO THE MARK ON THE RIGHT. IT IS SET IN A DRILL HOLE IN THE CURVE OF THE EAST HEAD WALL OF THE IRRIGATION CANAL, 56 1/2 FEET WEST OF FORRESTER ROAD AND 3 FEET SOUTH OF THE MAIN GATE NEAR LATERAL 26. DB0883 3327 3 B IID http://www.geocaching.com/mark/details.asp?PID=DB0883 3327 3 B IID Geocache Geocache 3327 3 B IID IID Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3327 3 B IID</h1> <b> PID </b> DB0883 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BRAWLEY (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 59 05. (N) 115 37 27. (W) SCALED <br> <b> NAVD 88 </b> -33.69 (+/-2cm) -110.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.37 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 6 </td><td> 590,900. </td><td> 2,058,490. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -34.359 (m) -112.73 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS285504(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: CANAL <br>STAMPING: 3327-3B <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>IID</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 3.6 MI S FROM WESTMORELAND. 3.6 MILES SOUTH ALONG SOUTH CENTER STREET AND FORRESTER ROAD FROM THE POST OFFICE IN WESTMORELAND TO THE MARK ON THE RIGHT. IT IS SET IN THE CURVED EAST HEADWALL OF THE CONCRETE IRRIGATION CANAL. 47 1/2 FEET WEST OF THE CENTER LINE OF FORRESTER ROAD AND 3 FEET SOUTH OF THE MAIN GATE AT LATERALS 15 AND 16. DB0882 3327 3 C IID http://www.geocaching.com/mark/details.asp?PID=DB0882 3327 3 C IID Geocache Geocache 3327 3 C IID IID Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3327 3 C IID</h1> <b> PID </b> DB0882 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BRAWLEY (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 59 21. (N) 115 37 27. (W) SCALED <br> <b> NAVD 88 </b> -35.19 (+/-2cm) -115.5 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.37 (meters) GEOID03 <br> <p> <b> VERT ORDER </b> SECOND CLASS 0 (See Below) <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the NGVD 29 superseded value. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 6 </td><td> 591,390. </td><td> 2,058,490. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -35.865 (m) -117.67 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS285509(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: CANAL <br>STAMPING: 3327-3C <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>IID</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 3.4 MI S FROM WESTMORELAND. 3.35 MILES SOUTH ALONG SOUTH CENTER STREET AND FORRESTER ROAD FROM THE POST OFFICE IN WESTMORELAND TO THE MARK ON THE RIGHT ACROSS THE ROAD FROM 2 LARGE COTTONWOOD TREES. IT IS SET IN A DRILL HOLE IN THE CURVE OF THE EAST CONCRETE HEAD WALL OF THE IRRIGATION CANAL, 48 FEET WEST OF THE CENTER LINE OF FORRESTER ROAD AND 3 FEET SOUTH OF THE MAIN GATE AT LATERAL 17. DB0884 3334 2 A IID http://www.geocaching.com/mark/details.asp?PID=DB0884 3334 2 A IID Geocache Geocache 3334 2 A IID IID Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3334 2 A IID</h1> <b> PID </b> DB0884 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BRAWLEY (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 58 42. (N) 115 37 28. (W) SCALED <br> <b> NAVD 88 </b> -32.10 (+/-2cm) -105.3 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.38 (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 6 </td><td> 590,190. </td><td> 2,058,470. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -32.773 (m) -107.52 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS285497(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: CANAL <br>STAMPING: 3334-2A <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>IID</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 4.2 MI S FROM WESTMORELAND. 4.15 MILES SOUTH ALONG SOUTH CENTER STREET AND FORRESTER ROAD TO A ROAD INTERSECTION AND THE MARK ON THE RIGHT. IT IS SET IN A DRILL HOLE IN THE CURVE OF THE EAST CONCRETE HEAD WALL OF THE CONCRETE IRRIGATION CANAL, 56 1/2 FEET WEST OF THE CENTER LINE OF FORRESTER ROAD, 36 1/2 FEET NORTH OF THE CENTER OF CADY ROAD AND 3 FEET SOUTH OF THE MAIN GATE AT LATERALS 11 AND 12. DB0885 3334 3 A IID http://www.geocaching.com/mark/details.asp?PID=DB0885 3334 3 A IID Geocache Geocache 3334 3 A IID IID Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3334 3 A IID</h1> <b> PID </b> DB0885 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BRAWLEY (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 58 28. (N) 115 37 26. (W) SCALED <br> <b> NAVD 88 </b> -31.00 (+/-2cm) -101.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.39 (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 6 </td><td> 589,760. </td><td> 2,058,530. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -31.667 (m) -103.89 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS285492(NAD 83) <br>MARKER: C = CAP OF CAP-AND-BOLT PAIR <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: DITCH <br>STAMPING: 3334-3A <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>IID</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 4.4 MI S FROM WESTMORELAND. 4.35 MILES SOUTH ALONG SOUTH CENTER STREET AND FORRESTER ROAD FROM THE POST OFFICE IN WESTMORELAND TO THE MARK ON THE RIGHT. IT IS SET IN A DRILL HOLE IN THE CURVE OF THE EAST CONCRETE HEAD WALL OF THE CONCRETE IRRIGATION DITCH, 54 FEET WEST OF THE CENTER LINE OF FORRESTER ROAD AND 3 FEET SOUTH OF THE MAIN GATE AT LATERAL 10. DB0943 3431 2 IID http://www.geocaching.com/mark/details.asp?PID=DB0943 3431 2 IID Geocache Geocache 3431 2 IID IID Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>3431 2 IID</h1> <b> PID </b> DB0943 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BRAWLEY (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 58 45. (N) 115 34 10. (W) SCALED <br> <b> NAVD 88 </b> -31.33 (+/-2cm) -102.8 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -34.38 (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 6 </td><td> 590,320. </td><td> 2,063,610. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -31.963 (m) -104.87 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS336498(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 36 = SET IN A MASSIVE STRUCTURE <br>SP_SET: CANAL <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>IID</td></tr><tr><td>1969 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1969 2 MI W FROM BRAWLEY. ABOUT 2.0 MILES WEST ALONG MAIN STREET AND HIGHWAY 86 FROM THE POST OFFICE IN THE PLAZA, BRAWLEY, TO THE SANDAL CANAL CROSSING UNDER HIGHWAY 86, NEAR THE NE CORNER OF TRACT 39, SECTION 31, SECTION 31, T 13 E, R 14 E. A 1/2 IN BRASS PLUG SET ON THE CENTER OF THE SOUTH HEADWALL OF SANDAL CANAL SIPHON UNDER HIGHWAY 86. NOTE-- THIS BENCH MARK HAS BEEN COVERED OVER WHEN HEADWALL WAS RAISED TO INSTALL CONCRETE LINING. DB0057 356 http://www.geocaching.com/mark/details.asp?PID=DB0057 356 Geocache Geocache 356 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>356</h1> <b> PID </b> DB0057 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> OGILBY (1988) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 49 04. (N) 114 50 25. (W) SCALED <br> <b> NAVD 88 </b> 109.305 (meters) 358.61 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -33.89 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 109.180 (meters) 358.20 (feet) COMP <br> <b> MODELED GRAV</b> 979,502.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 573,100. </td><td> 2,132,010. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 108.606 (m) 356.32 (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: 11SQS021331(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: 356.305 SB <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>1972 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1977 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1984 </td><td>GOOD </td><td>CA-025</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 AT OGILBY. AT OGILBY, ALONG THE SOUTHERN PACIFIC RAILROAD, 0.15 MILE NORTHWEST OF THE CROSSING OF OGILBY ROAD, 50.1 FEET SOUTHWEST OF THE SOUTHWEST RAIL, 30 FEET NORTHWEST OF THE 6TH POLE NORTHWEST OF THE ROAD CROSSING, 3.0 FEET NORTHWEST OF A WITNESS POST, 1 1/2 FEET LOWER THAN THE TRACK, A CAP ON AN IRON PIPE WHICH IS ENCASED IN CONCRETE. THE POST PROJECTS ABOUT 1.3 FEET ABOVE THE GROUND. SEC 35, T15S, R20E. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1977) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1977 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1984) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1984 RECOVERED IN GOOD CONDITION. NOT LEVELED TO DURING 1985 SURVEY. DB0086 367 http://www.geocaching.com/mark/details.asp?PID=DB0086 367 Geocache Geocache 367 USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>367</h1> <b> PID </b> DB0086 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> OGILBY (1988) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 50 09. (N) 114 51 51. (W) SCALED <br> <b> NAVD 88 </b> 112.89 (+/-2cm) 370.4 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.90 (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 6 </td><td> 575,080. </td><td> 2,129,750. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 112.174 (m) 368.02 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS999351(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: 367-SB <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 1.8 MI W FROM OGILBY. 1.8 MI. WEST ALONG SOUTHERN PACIFIC RAILROAD RIGHT OF WAY, 40 1/2 RAIL LENGTHS APPROXIMATELY 526 YARDS WEST OF MILE POST 615, 23 RAIL LENGTHS WEST OF SEMIPHORE 715.0, 2 1/2 RAIL LENGTHS EAST OF BRIDGE 714-F, 50 FEET SOUTH WEST OF TRACK, 32 FEET NORTH WEST OF TELEGRAPH POLE. ON TOP IRON POST 20 INCHES ABOVE GROUND. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 367 SB. DB0821 379 USGS http://www.geocaching.com/mark/details.asp?PID=DB0821 379 USGS Geocache Geocache 379 USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>379 USGS</h1> <b> PID </b> DB0821 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> GLAMIS (1979) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 56 49. (N) 115 00 13. (W) SCALED <br> <b> NAVD 88 </b> 116.33 (+/-2cm) 381.7 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.89 (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 6 </td><td> 587,230. </td><td> 2,116,540. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 115.594 (m) 379.24 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS866471(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: 379-SB <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 0.5 MI E FROM RUTHVEN. ALONG SOUTHERN PACIFIC RAILROAD RIGHT OF WAY, 0.5 MILE EAST OF MILE POST 703, 24 1/2 RAIL LENGTHS APPROXIMATELY 318 YARDS EAST OF SWITCH STAND AT EAST END OF SIDING, 16 RAIL LENGTHS EAST OF PUBLIC ROAD CROSSING, 13 1/2 RAIL LENGHTS EAST OF BRIDGE 703-B, 49 FEET SOUTH WEST OF TRACK, 20 FEET SOUTH EAST OF TELEPHONE POLE. ON TOP OF IRON POST 18 INCHES HIGH. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 379 S B. DW0233 -39 T http://www.geocaching.com/mark/details.asp?PID=DW0233 -39 T Geocache Geocache -39 T USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>-39 T</h1> <b> PID </b> DW0233 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> TRUCKHAVEN (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 18 39. (N) 115 59 20. (W) SCALED <br> <b> NAVD 88 </b> -10.961 (meters) -35.96 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -33.67 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -10.950 (meters) -35.93 (feet) COMP <br> <b> MODELED GRAV</b> 979,551.2 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code A , SEE BELOW <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 February 1993. * This is a READJUSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 626,920. </td><td> 2,024,320. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/92) -11.638 (m) -38.18 (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: 11SNS941862(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: -39 T4S -38 13 <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1956 </td><td>GOOD </td><td>CGS</td></tr><tr><td>1970 </td><td>GOOD </td><td>CA-073</td></tr><tr><td>1978 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1956 1.2 MI NW FROM TRUCK HAVEN. 1.2 MILES NORTHWEST ALONG U.S. HIGHWAY 99 FROM THE TRUCK HAVEN SERVICE STATION AT TRUCK HAVEN, ON A LOW RIDGE, 484 1/2 FEET SOUTHWEST OF THE CENTER LINE OF THE HIGHWAY, 382 FEET SOUTHWEST OF POWER LINE POLE 73300 D, ABOUT 11 FEET HIGHER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.6 FOOT ABOVE THE GROUND. NOTE-- U.S. 99 IS STATE HIGHWAY 86. <p> <h2>STATION RECOVERY (1970) </h2> <p>RECOVERY NOTE BY SAN DIEGO COUNTY CALIFORNIA 1970 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1978) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 RECOVERED IN GOOD CONDITION. DB0082 397 http://www.geocaching.com/mark/details.asp?PID=DB0082 397 Geocache Geocache 397 USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>397</h1> <b> PID </b> DB0082 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> CLYDE (1988) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 53 15. (N) 114 55 48. (W) SCALED <br> <b> NAVD 88 </b> 121.99 (+/-2cm) 400.2 (feet) VERTCON <br> <hr> <b> GEOID HEIGHT</b> -33.91 (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 6 </td><td> 580,720. </td><td> 2,123,510. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) 121.270 (m) 397.87 (f) ADJUSTED 2 0 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 11SPS936407(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: 397-SB <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1935 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1985 </td><td>MARK NOT FOUND </td><td>USGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1935 AT DRYLYN. AT DRYLYN. ALONG SOUTHERN PACIFIC RAILROAD RIGHT OF WAY, 69 1/2 RAIL LENGTHS APPROXIMATELY 903 YARDS WEST OF MILE POST 710, 5 1/2 RAIL LENGTHS EAST OF TELEPHONE STATION, 1 RAIL EAST OF BRIDGE 709-C, 50 FEET WEST OF TRACK, 7 FEET SOUTH OF TELEPHONE POLE ON TOP OF IRON POST 24 INCHES HIGH. A UNITED STATES GEOLOGICAL SURVEY STANDARD CAP, STAMPED 397 SB. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1985 MARK NOT FOUND. DB1016 4 DOR USGS http://www.geocaching.com/mark/details.asp?PID=DB1016 4 DOR USGS Geocache Geocache 4 DOR USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>4 DOR USGS</h1> <b> PID </b> DB1016 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> MOUNT SIGNAL (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 32 43 37. (N) 115 42 08. (W) SCALED <br> <b> NAVD 88 </b> -5.225 (meters) -17.14 (feet) READJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.29 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -5.220 (meters) -17.13 (feet) COMP <br> <b> MODELED GRAV</b> 979,510.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * READJUSTED, Code B , SEE BELOW <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 January 1995. * This is a READJUSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. The height was derived from older observations constrained to new heights in a crustal motion area. The height is approximate in relation to other heights in its vicinity. <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 6 </td><td> 562,270. </td><td> 2,051,350. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NAVD 88 (02/01/93) -5.217 (m) -17.12 (f) UNKNOWN 1 1 <br> NGVD 29 (??/??/92) -5.950 (m) -19.52 (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: 11SPS216217(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>STAMPING: 4 DOR 1978 <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>1978 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1981 </td><td>GOOD </td><td>IID</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY IMPERIAL IRRIGATION DISTRICT 1981 6.3 MI SOUTH FROM SEELEY. ABOUT 3.5 MILES SOUTH ALONG DREW ROAD TO WIXOM ROAD FROM EVAN HEWES HIGHWAY IN SEELEY, THENCE ABOUT 1.4 MILES WEST ALONG WIXOM ROAD TO LIEBERT ROAD, THENCE ABOUT 0.6 MILE SOUTH ALONG LIEBERT ROAD TO THE WESTSIDE MAIN CANAL, THENCE ABOUT 0.8 MILE EASTERLY ALONG THE NORTH BANK OF THE CANAL TO DELIVERY 8, NEAR THE SOUTHEAST CORNER OF SW 1/4 OF SECTION 35, AND SET IN THE EAST UPSTREAM WINGWALL OF WESTSIDE MAIN DELIVERY 8. THE MARK IS ABOVE LEVEL WITH BANK. DW0515 4 JD http://www.geocaching.com/mark/details.asp?PID=DW0515 4 JD Geocache Geocache 4 JD USGS USGS Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>4 JD</h1> <b> PID </b> DW0515 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> WESTMORLAND WEST (1992) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 33 07 06. (N) 115 38 57. (W) SCALED <br> <b> NAVD 88 </b> -65.486 (meters) -214.85 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -34.13 (meters) GEOID03 <br> <b> DYNAMIC HT </b> -65.415 (meters) -214.62 (feet) COMP <br> <b> MODELED GRAV</b> 979,555.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> SECOND CLASS I <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 March 1994. <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 6 </td><td> 605,700. </td><td> 2,056,070. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2> <p> NGVD 29 (??/??/??) -66.047 (m) -216.69 (f) ADJUSTED 2 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: 11SPS260652(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: 4 J D 1955 -216 FEET <br>MARK LOGO: USGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - September 24, 1992 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1955 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1972 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1976 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>1981 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>1985 </td><td>GOOD </td><td>CA-025</td></tr><tr><td>19891113</td><td>GOOD </td><td>CA-025</td></tr><tr><td>19920924</td><td>GOOD </td><td>CA-025</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 7 MI NW FROM WESTMORLAND. ABOUT 1.5 MILES WEST ALONG STATE HIGHWAY 86 FROM FORRESTER ROAD IN WESTMORLAND, THEN 5.5 MILES NORTH ON A PAVED COUNTY (LACK) ROAD, 44 FEET WEST OF THE CENTERLINE OF LACK ROAD, 16 FEET NORTH OF THE CENTERLINE OF A PAVED COUNTY (BOWLES) ROAD, SET ON TOP AND AT THE CENTERLINE OF THE EAST WINGWALL OF THE NORTH CONCRETE HEADWALL OF A SIPHON IN VAIL LATERAL 6 UNDER BOWLES ROAD. SEC 18, T 12 S, R 13 E. <p> <h2>STATION RECOVERY (1976) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1976 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1981) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1981 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1985) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1985 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1989) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1989 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY IMPERIAL COUNTY CALIFORNIA 1992 RECOVERED IN GOOD CONDITION. DB0417 40.913 http://www.geocaching.com/mark/details.asp?PID=DB0417 40.913 Geocache Geocache 40.913 BOR BOR Unknown Cache Regular 1 1 United States California NGS Datasheet <h1>40.913</h1> <b> PID </b> DB0417 <br> <b> STATE/COUNTY</b> CA/IMPERIAL <br> <b> USGS QUAD </b> BONDS CORNER (1976) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 32 41 39.55062(N) 115 17 23.18254(W) ADJUSTED <br> <b> NAVD 88 </b> 13.266 (meters) 43.52 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> -0.13 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -34.64 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 13.251 (meters) 43.47 (feet) COMP <br> <b> MODELED GRAV</b> 979,497.1 (mgal) NAVD 88 <br> <p> <b> HORZ ORDER </b> SECOND <br> <b> VERT ORDER </b> SECOND CLASS I <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in June 1996. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in March 1994. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 6 </td><td> 558,933.112 2</td><td>090,044.635</td><td> MT </td><td>1.00001601</td><td> +0 ' 31 39.6"</td></tr><tr><td>SPC CA 6 </td><td>1,833,766.38 6</td><td>857,088.11 </td><td> sFT </td><td>1.00001601</td><td> +0 ' 31 39.6"</td></tr><tr><td>UTM 11 </td><td>3,618,692.694 </td><td>660,320.914</td><td> MT </td><td>0.99991694</td><td> +0 ' 55 26.4"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 6 </b> 1.00000336 x 1.00001601 = 1.00001937 <br> <b>UTM 11 </b> 1.00000336 x 0.99991694 = 0.99992030 <br> <p> <h2>Superseded Survey Control</h2> <p> <b> NAD 83(1992