Benchmark file generated by bmgpxbmgpx by Ron Parkerbmgpx@parkrrrr.comLV01181http://www.geocaching.com/mark/details.asp?PID=LV01181GeocacheGeocache1DODUSE Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>1</h1> <b> PID </b> LV0118 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 44 54. (N) 124 12 03. (W) SCALED <br> <b> NAVD 88 </b> 3.662 (meters) 12.01 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.63 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.661 (meters) 12.01 (feet) COMP <br> <b> MODELED GRAV</b> 980,290.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. WARNING-Repeat measurements at this control monument indicate possible vertical movement. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,470. </td><td> 1,816,960. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (12/02/92) 2.642 (m) 8.67 (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Superseded values are not recommended for survey control.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 See file dsdata.txt to determine how the superseded data were derived.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: 10TDM001225(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC. <br>SP_SET: CURB <br>STAMPING: 1 <br>MARK LOGO: USE <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - June 29, 1994 <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>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19940629</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 AT CRESCENT CITY. AT CRESCENT CITY, IN THE TOP OF THE SOUTHEAST CONCRETE CURB OF FRONT STREET, IN LINE WITH THE EXTENDED CENTER LINE OF D STREET, 48 FEET SOUTHEAST OF THE CENTER LINE OF FRONT STREET, 47 FEET NORTHEAST OF THE EAST CORNER OF AN OFFICE BUILDING, 25 FEET SOUTHWEST OF BENCH MARK TIDAL 6, AND ABOUT LEVEL WITH THE STREET. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1994) </h2> <p>RECOVERY NOTE BY CALTRANS 1994 (GAA) RECOVERED AS DESCRIBED. MX08051 USFShttp://www.geocaching.com/mark/details.asp?PID=MX08051 USFSGeocacheGeocache1 USFSUSFSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>1 USFS</h1> <b> PID </b> MX0805 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> HURDYGURDY BUTTE (1982) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 52 21. (N) 123 47 33. (W) SCALED <br> <b> NAVD 88 </b> 443.270 (meters) 1454.30 (feet) POSTED <br> <hr> <b> GEOID HEIGHT</b> -26.07 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 443.070 (meters) 1453.64 (feet) COMP <br> <b> MODELED GRAV</b> 980,166.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * POSTED, Code NC , 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 1992. No vertical observational check was made to the station. * This is a POSTED BENCH MARK height. Code NC indicates the bench mark was located on a no-check spur therefore a value was not computed. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 783,480. </td><td> 1,851,200. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 442.255 (m) 1450.96 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM342359(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: TREE <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>USFS</td></tr><tr><td>1942 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 12 MI NE FROM GASQUET. 2.0 MILES SOUTH ALONG THE SISKIYOU FORK TRAIL FROM THE JUNCTION OF U.S. HIGHWAY 199 ABOUT 10 MILES NORTHEAST OF GASQUET, DEL NORTE COUNTY, AT A 12-INCH ALDER TREE USED AS FOREST SERVICE MILE-MARKER 2, AND IN A BLAZE AT THE BASE OF THE TREE. A UNITED STATES FOREST SERVICE STANDARD LAG SCREW AND WASHER. NOTE-- PREVIOUS DESIGNATION WAS B.M. (USFS) LV01142 Ahttp://www.geocaching.com/mark/details.asp?PID=LV01142 AGeocacheGeocache2 ADODUSE Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>2 A</h1> <b> PID </b> LV0114 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> CRESCENT CITY (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 45 09. (N) 124 11 34. (W) SCALED <br> <b> NAVD 88 </b> 3.785 (meters) 12.42 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.59 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.784 (meters) 12.41 (feet) COMP <br> <b> MODELED GRAV</b> 980,288.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. WARNING-Repeat measurements at this control monument indicate possible vertical movement. <p>This Tidal Bench Mark is designated as VM 1022 by the Center for Operational Oceanographic Products and Services. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,910. </td><td> 1,817,640. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (12/02/92) 2.755 (m) 9.04 (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: 10TDM008229(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT <br>SP_SET: CONCRETE POST <br>STAMPING: 2 A 1958 <br>MARK LOGO: USE <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>1958 </td><td>MONUMENTED </td><td>DOD</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 AT CRESCENT CITY. AT CRESCENT CITY, AT THE SOUTH CORNER OF THE INTERSECTION OF FRONT STREET AND L STREET (U.S. HIGHWAY 101 SOUTH BOUND), 72 FEET SOUTHEAST OF THE CENTER LINE OF FRONT STREET, 27 FEET SOUTHWEST OF THE CENTER LINE OF L STREET, 12 FEET NORTHWEST OF THE NORTHEAST END OF AN OLD SEA WALL, 0.5 FOOT SOUTHWEST OF THE SOUTHWEST CURB OF L STREET, AND SET IN THE TOP OF A CONCRETE POST FLUSH WITH THE GROUND. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. NOTE--THE MARK WILL BE DESTROYED IN THE NEAR FUTURE BY ROAD CONSTRUCTION. MX08082 USFShttp://www.geocaching.com/mark/details.asp?PID=MX08082 USFSGeocacheGeocache2 USFSUSFSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>2 USFS</h1> <b> PID </b> MX0808 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> HURDYGURDY BUTTE (1982) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 51 52. (N) 123 47 42. (W) SCALED <br> <b> NAVD 88 </b> 647.086 (meters) 2122.98 (feet) POSTED <br> <hr> <b> GEOID HEIGHT</b> -26.09 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 646.800 (meters) 2122.04 (feet) COMP <br> <b> MODELED GRAV</b> 980,152.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * POSTED, Code NC , 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 1992. No vertical observational check was made to the station. * This is a POSTED BENCH MARK height. Code NC indicates the bench mark was located on a no-check spur therefore a value was not computed. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 782,590. </td><td> 1,850,970. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 646.074 (m) 2119.66 (f) ADJUSTED 2 0 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM340350(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: TREE <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>UNK </td><td>MONUMENTED </td><td>USFS</td></tr><tr><td>1942 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1942 13 MI NE FROM GASQUET. 3.0 MILES SOUTH ALONG THE SISKIYOU FORK TRAIL FROM THE JUNCTION OF U.S. HIGHWAY 199 ABOUT 10 MILES NORTHEAST OF GASQUET, DEL NORTE COUNTY, 33 FEET SOUTH OF A 5-FOOT FIR TREE USED AS FOREST SERVICE MILE-MARKER 3, AT A 3-FOOT FIR TREE, ON THE WEST SIDE OF THE TREE, AND IN A BLAZE AT THE BASE OF THE TREE. A UNITED STATES FOREST SERVICE STANDARD LAG SCREW AND WASHER. PREVIOUS DESIGNATION WAS B.M. (USFS) MX0846378 USGShttp://www.geocaching.com/mark/details.asp?PID=MX0846378 USGSGeocacheGeocache378 USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>378 USGS</h1> <b> PID </b> MX0846 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> GASQUET (1981) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 50 45. (N) 123 57 49. (W) SCALED <br> <b> NAVD 88 </b> 116.448 (meters) 382.05 (feet) POSTED <br> <hr> <b> GEOID HEIGHT</b> -27.06 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 116.400 (meters) 381.89 (feet) COMP <br> <b> MODELED GRAV</b> 980,215.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * POSTED, 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 1992. * This is a POSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 780,830. </td><td> 1,836,930. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 115.419 (m) 378.67 (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: 10TDM200331(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: TREE <br>STAMPING: USGS BM CAL <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 GASQUET. AT GASQUET, DEL NORTE COUNTY, ON U.S. HIGHWAY 199, 60 FEET SOUTH OF A BRIDGE OVER MIDDLE FORK SMITH RIVER, IN A 32-INCH OAK TREE, AND BELOW A WEATHER-BEATEN BOARD ON WHICH IS PAINTED US 378. A UNITED STATES GEOLOGICAL SURVEY STANDARD COPPER NAIL AND WASHER, STAMPED USGS BM CAL. MX0847390 USGShttp://www.geocaching.com/mark/details.asp?PID=MX0847390 USGSGeocacheGeocache390 USGSUSGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>390 USGS</h1> <b> PID </b> MX0847 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> GASQUET (1981) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 50 44. (N) 123 57 49. (W) SCALED <br> <b> NAVD 88 </b> 119.879 (meters) 393.30 (feet) POSTED <br> <hr> <b> GEOID HEIGHT</b> -27.07 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 119.830 (meters) 393.14 (feet) COMP <br> <b> MODELED GRAV</b> 980,215.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * POSTED, Code NC , 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 1992. No vertical observational check was made to the station. * This is a POSTED BENCH MARK height. Code NC indicates the bench mark was located on a no-check spur therefore a value was not computed. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 780,800. </td><td> 1,836,930. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 118.850 (m) 389.93 (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: 10TDM200330(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 80 = SET IN A BOULDER <br>SP_SET: BOULDER <br>STAMPING: 389.110 14 1915 <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>1915 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1943 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1943 AT GASQUET. AT GASQUET, DEL NORTE COUNTY, 0.3 MILE WEST OF U.S. HIGHWAY 199, ABOUT 1/4 MILE NORTH OF THE CORNER COMMON TO SECTIONS 20, 21, 28 AND 29, T 17 N, R 2 E, ABOUT 300 FEET SOUTH OF THE BUILDING FORMERLY USED AS A RANGER HEADQUARTERS, ABOUT 250 FEET SOUTH OF A PICNIC AREA SIGN, 80 FEET NORTHEAST OF A ONE-SIXTEENTH SECTION CORNER , AND IN THE TOP OF A BOULDER IN A ROCK WALL. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED 389.110 14 1915. NOTE-- THE RANGER HEADQUARTERS HAVE BEEN MOVED OUT TO THE MAIN ROAD. IT WAS REPORTED IN JUNE 1943 THAT THE OLD HEADQUARTERS BUILDING IS GONE. TO REACH THIS MARK, TURN NORTH ON A SIDE ROAD ABOUT 300 FEET EAST OF THE GASQUET SERVICE STATION, FOLLOW THE ROAD ACROSS A BRIDGE, AND THENCE EAST ALONG THE ROAD TO THE FORMER RANGER HEADQUARTERS. THE TOTAL DISTANCE BY ROAD IS 0.4 MILE. LV001942 Lhttp://www.geocaching.com/mark/details.asp?PID=LV001942 LGeocacheGeocache42 LBLMUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>42 L</h1> <b> PID </b> LV0019 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SMITH RIVER (1996) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 59 54. (N) 124 12 30. (W) SCALED <br> <b> NAVD 88 </b> 13.494 (meters) 44.27 (feet) POSTED <br> <hr> <b> GEOID HEIGHT</b> -27.96 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 13.490 (meters) 44.26 (feet) COMP <br> <b> MODELED GRAV</b> 980,308.1 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> * POSTED, 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 1992. * This is a POSTED BENCH MARK height. Code B indicates a distribution rate of 1.1 thru 2.0 mm/km. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 798,240. </td><td> 1,817,030. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 12.434 (m) 40.79 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TCM999502(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: ORE-CAL 42 L 1915 <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>1915 </td><td>MONUMENTED </td><td>BLM</td></tr><tr><td>1940 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1953 </td><td>POOR </td><td>USGS</td></tr><tr><td>1988 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1940 6.4 MI S FROM BROOKINGS. IN DEL NORTE COUNTY, CALIFORNIA, 6.4 MILES SOUTH ALONG THE OREGON COAST HIGHWAY (U.S. 101) FROM BROOKLINGS, CURRY COUNTY, OREGON, AT THE CALIFORNIA-OREGON STATE LINE, 215 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, EAST OF AN ABANDONED ROAD, AND AT A WHITE WOODEN WITNESS POST. A UNITED STATES GENERAL LAND OFFICE STANDARD SECTION-CORNER CAP, STAMPED ORE-CAL 42 L 1915 AND RIVETED ON THE TOP OF AN IRON PIPE ENCASED IN CONCRETE. <p> <h2>STATION RECOVERY (1953) </h2> <p>RECOVERY NOTE BY US GEOLOGICAL SURVEY 1953 MARK RECOVERED IN POOR CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 THERE HAS BEEN GRADEING AT THIS LOCATION. MX12455303http://www.geocaching.com/mark/details.asp?PID=MX12455303GeocacheGeocache5303CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>5303</h1> <b> PID </b> MX1245 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> DEVILS PUNCHBOWL (1981) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 48 32.83952(N) 123 44 28.35369(W) ADJUSTED <br> <b> NAVD 88 </b> 1617. (meters) 5305. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 14.70 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -25.76 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was scaled from a topographic map. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 776,358.362 1</td><td>855,312.994</td><td> MT </td><td>1.00003930</td><td> -1 ' 08 18.8"</td></tr><tr><td>SPC CA 1 </td><td>2,547,102.39 6</td><td>086,972.71 </td><td> sFT </td><td>1.00003930</td><td> -1 ' 08 18.8"</td></tr><tr><td>UTM 10 </td><td>4,628,849.119 </td><td>438,431.501</td><td> MT </td><td>0.99964665</td><td> -0 ' 29 38.9"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99975047 x 1.00003930 = 0.99978976 <br> <b>UTM 10 </b> 0.99975047 x 0.99964665 = 0.99939721 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 48 32.83238(N) 123 44 28.35387(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 48 32.82853(N) 123 44 28.35378(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 48 33.41820(N) 123 44 24.09940(W) AD( ) 2 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM3843228849(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1952 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1952 (WRH) THE STATION IS LOCATED ABOUT 15 MILES AIRLINE SOUTH OF O BRIEN, 11 MILES EAST SOUTHEAST OF GASQUET, ON THE HIGHEST POINT OF WHAT IS LOCALLY KNOWN AS BEAR BASIN BUTTE. <p>THE MARK IS A STANDARD U.S. GEOLOGICAL SURVEY BENCH MARK STAMPED 5303 SET IN A DRILL HOLE IN OUTCROPPING BEDROCK ABOUT 22 FEET SOUTH OF THE SOUTHEAST CORNER OF THE LOOKOUT HOUSE. IT IS 44.003 FEET, 13.412 METERS SOUTH OF STATION BEAR BASIN. THE CENTER OF THE MARK WAS INTERSECTED. LV012458http://www.geocaching.com/mark/details.asp?PID=LV012458GeocacheGeocache58USGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>58</h1> <b> PID </b> LV0124 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 44 38. (N) 124 12 10. (W) SCALED <br> <b> NAVD 88 </b> 18.783 (meters) 61.62 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.64 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 18.777 (meters) 61.60 (feet) COMP <br> <b> MODELED GRAV</b> 980,290.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 769,980. </td><td> 1,816,780. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 17.751 (m) 58.24 (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: 10TCM999220(NAD 83) <br>MARKER: DD = SURVEY DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE FOUNDATION <br>STAMPING: 58 1915 <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>1915 </td><td>MONUMENTED </td><td>USGS</td></tr><tr><td>1967 </td><td>SEE DESCRIPTION </td><td>NGS</td></tr><tr><td>1988 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 AT CRESCENT CITY. AT CRESCENT CITY, AT THE CRESCENT CITY LIGHTHOUSE MUSEUM, ABOUT 0.2 MILE SOUTHWEST OF THE JUNCTION OF BATTERY AND A STREETS, IN THE TOP OF THE CONCRETE FOUNDATION FOR A FLAG POLE, ABOUT 0.15 MILE WEST OF THE NORTH END OF A CONCRETE BREAKWATER, 60 FEET NORTHEAST OF THE NORTHEAST CORNER OF THE LIGHTHOUSE BUILDING, 2.0 FEET SOUTHEAST OF THE FLAG POLE. NOTE-- THE MARK AND LIGHTHOUSE IS ON A SMALL ISLAND AND CAN ONLY BE REACHED AT LOW TIDE. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 THE FLAGPOLE BASE LOOKS LIKE IT HAS BEEN RECENTLY COVERED WITH 3-INCHES OF NEW CEMENT. MX12515844http://www.geocaching.com/mark/details.asp?PID=MX12515844GeocacheGeocache5844CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>5844</h1> <b> PID </b> MX1251 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> BROKEN RIB MOUNTIAN (1996) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 55 13.22941(N) 123 39 21.27205(W) ADJUSTED <br> <b> NAVD 88 </b> 1783. (meters) 5850. (feet) SCALED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 15.03 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -25.14 (meters) GEOID03 <br> <p> <b> HORZ ORDER </b> SECOND <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in March 1994. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was scaled from a topographic map. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The geoid height was determined by GEOID03. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 788,572.666 1</td><td>862,633.679</td><td> MT </td><td>1.00007434</td><td> -1 ' 04 58.0"</td></tr><tr><td>SPC CA 1 </td><td>2,587,175.49 6</td><td>110,990.66 </td><td> sFT </td><td>1.00007434</td><td> -1 ' 04 58.0"</td></tr><tr><td>SPC OR S </td><td> 33,113.299 1</td><td>238,232.760</td><td> MT </td><td>1.00012949</td><td> -2 ' 09 32.8"</td></tr><tr><td>SPC OR S </td><td> 108,639.43 4</td><td>062,443.44 </td><td> iFT </td><td>1.00012949</td><td> -2 ' 09 32.8"</td></tr><tr><td>UTM 10 </td><td>4,641,139.888 </td><td>445,611.359</td><td> MT </td><td>0.99963640</td><td> -0 ' 26 17.6"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 0.99972435 x 1.00007434 = 0.99979867 <br> <b>SPC OR S </b> 0.99972435 x 1.00012949 = 0.99985381 <br> <b>UTM 10 </b> 0.99972435 x 0.99963640 = 0.99936085 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1991)</b> 41 55 13.22669(N) 123 39 21.27155(W) AD(1984.00) 2 <br> <b> NAD 83(1986)</b> 41 55 13.22198(N) 123 39 21.27253(W) AD(1984.00) 2 <br> <b> NAD 27 </b> 41 55 13.81150(N) 123 39 17.02780(W) AD( ) 2 <br> <p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM4561141140(NAD 83) <br>MARKER: Z = SEE DESCRIPTION <br>SETTING: 0 = UNSPECIFIED SETTING <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1952 </td><td>MONUMENTED </td><td>CGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1952 (WRH) THE STATION IS LOCATED ABOUT 16-1/2 MILES AIRLINE SOUTH OF CAVE JUNCTION, 10-1/2 MILES SOUTH OF O BRIEN, AND 5 MILES SOUTH OF THE OREGON-CALIFORNIA STATE LINE, ON THE HIGHEST PART OF SANGER PEAK. <p>THE MARK IS A STANDARD U.S. GEOLOGICAL SURVEY DISK STAMPED 5844 VA CEMENTED IN A DRILL HOLE IN A LARGE BOULDER PROJECTING ABOUT 3 FEET. IT IS 58.770 FEET, 17.913 METERS NORTH-NORTHWEST OF STATION SANGER PK. THE CENTER OF THE MARK WAS INTERSECTED. LV0562941 9750 S TIDALhttp://www.geocaching.com/mark/details.asp?PID=LV0562941 9750 S TIDALGeocacheGeocache941 9750 S TIDALNOSNOS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 S TIDAL</h1> <b> PID </b> LV0562 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> CRESCENT CITY (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 45 00. (N) 124 10 54. (W) SCALED <br> <b> NAVD 88 </b> 4.325 (meters) 14.19 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.323 (meters) 14.18 (feet) COMP <br> <b> MODELED GRAV</b> 980,285.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>This Tidal Bench Mark is designated as VM 1030 by the Center for Operational Oceanographic Products and Services. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,610. </td><td> 1,818,560. </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: 10TDM017226(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: COPPER-CLAD STEEL ROD <br>STAMPING: 9750 S 1977 <br>MARK LOGO: NOS <br>PROJECTION: RECESSED 20 CENTIMETERS <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>ROD/PIPE-DEPTH: 9.8 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 IN CRESCENT CITY. IN CRESCENT CITY, AT 655 HIGHWAY 101 SOUTH, 40.0 M (131.2 FT) SOUTHEAST OF THE SOUTHEAST CORNER OF OF THE BEST WESTERN NORTHWOODS INN AT 655 HIGHWAY 101 SOUTH, 16.1 M (52.8 FT) NORTHEAST OF THE CENTERLINE OF U.S. HIGHWAY 101, 13.3 M (43.6 FT) WEST OF THE NORTHWEST CORNER OF C.C. HAGARS RESTAURANT, AND 0.3 M (1.0 FT) SOUTHWEST OF UTILITY POLE NUMBER C 7446. NOTE--THE DISK IS ENCASED IN A 4-INCH PVC PIPE. THE MARK IS 0.3 METERS E FROM A WITNESS POST THE MARK IS ABOVE LEVEL WITH THE HIGHWAY. LV0564941 9750 T TIDALhttp://www.geocaching.com/mark/details.asp?PID=LV0564941 9750 T TIDALGeocacheGeocache941 9750 T TIDALNOSNOS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 T TIDAL</h1> <b> PID </b> LV0564 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 44 54.09685(N) 124 10 53.48330(W) ADJUSTED <br> <b> NAVD 88 </b> 4.499 (meters) 14.76 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> X </b> -2,677,414.383 (meters) COMP <br> <b> Y </b> -3,942,429.798 (meters) COMP <br> <b> Z </b> 4,224,776.061 (meters) COMP <br> <b> LAPLACE CORR</b> 9.74 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> -24.02 (meters) (05/15/92) GPS OBS <br> <b> GEOID HEIGHT</b> -28.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.497 (meters) 14.75 (feet) COMP <br> <b> MODELED GRAV</b> 980,285.4 (mgal) NAVD 88 <br> <p> <b> HORZ ORDER </b> B <br> <b> VERT ORDER </b> FIRST CLASS II <br> <b> ELLP ORDER </b> FOURTH CLASS II <br> <p>ITRF positions are available for this station. The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in May 1992. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>This Tidal Bench Mark is designated as VM 1031 by the Center for Operational Oceanographic Products and Services. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 770,430.464 1</td><td>818,563.601</td><td> MT </td><td>1.00002178</td><td> -1 ' 25 35.3"</td></tr><tr><td>SPC CA 1 </td><td>2,527,653.95 5</td><td>966,404.08 </td><td> sFT </td><td>1.00002178</td><td> -1 ' 25 35.3"</td></tr><tr><td>UTM 10 </td><td>4,622,512.057 </td><td>401,763.693</td><td> MT </td><td>0.99971875</td><td> -0 ' 47 12.5"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 1.00000377 x 1.00002178 = 1.00002555 <br> <b>UTM 10 </b> 1.00000377 x 0.99971875 = 0.99972252 <br> <p> <h2>Superseded Survey Control</h2>
<p> <b> NAD 83(1986)</b> 41 44 54.08886(N) 124 10 53.49361(W) AD(1984.00) 1 <br> NAVD 88 (05/15/92) 4.50 (m) 14.8 (f) LEVELING 3 <br>
NGVD 29 (05/31/94) 3.40 (m) 11.2 (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: 10TDM0176422512(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 46 = COPPER-CLAD STEEL ROD W/O SLEEVE (10 FT.+) <br>SP_SET: CONCRETE POST <br>STAMPING: 9750 T 1977 <br>MARK LOGO: NOS <br>PROJECTION: RECESSED 10 CENTIMETERS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - June 29, 1994 <br>ROD/PIPE-DEPTH: 9.1 meters <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1977 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19910626</td><td>GOOD </td><td>NGS</td></tr><tr><td>19920418</td><td>GOOD </td><td>NOS</td></tr><tr><td>19940629</td><td>POOR </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 IN CRESCENT CITY. THE MARK IS 0.3 M ABOVE THE ROAD. IN CRESCENT CITY, AT THE INTERSECTION OF U.S. HIGHWAY 101 AND CITIZENS DOCK ROAD, 108.2 M (355.0 FT) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, AND 12.3 M (40.4 FT) NORTHWEST OF THE CENTERLINE OF THE ROAD. NOTE--THE DISK IS ENCASED IN A 4-INCH PVC PIPE. THE MARK IS 0.3 METERS NW FROM A WITNESS POST <p> <h2>STATION RECOVERY (1991) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1991 THE STATION IS LOCATED IN CRESCENT CITY, AT THE JUNCTION OF U.S. HIGHWAY 101 AND CITIZENS DOCK ROAD. THE STATION IS A BENCH MARK DISK ATTACHED TO A COPPER CLAD STEEL ROD ENCASED IN A 4 INCH PVC PIPE. LOCATED 108.2 M (355.0 FT) SOUTHWEST OF THE CENTERLINE OF HIGHWAY 101, 12.3 M (40.4 FT) NORTHWEST OF THE CENTERLINE OF THE ROAD AND 0.3 M (1.0 FT) NORTHWEST OF A WITNESS POST. <p> <h2>STATION RECOVERY (1992) </h2> <p>RECOVERY NOTE BY NATIONAL OCEAN SERVICE 1992 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1994) </h2> <p>RECOVERY NOTE BY CALTRANS 1994 (GAA) APPARENTLY THE STATION WAS DISTURBED DURING UTILITY TRENCHING OPERATIONS. THE UTILITY CREW FOREMAN ADMITTED THE STATION WAS DISTURBED BUT AN ATTEMPT WAS MADE TO RESET THE MARK NEAR ITS ORIGINAL LOCATION. THE STATION DISK IS BENT ON TWO SIDES, PROJECTS 0.1 FT (0.0 M) ABOVE AND IS OFF CENTER OF THE PVC PIPE. THE PVC PIPE IS NOW SET IN CONCRETE AND THE WITNESS POST HAS BEEN REMOVED. THE PUBLISHED COORDINATES OF THE STATION SHOULD NOT BE USED UNTIL THERE IS VERIFICATION THAT THESE COORDINATES ARE CORRECT. LV0103941 9750 TIDAL 16 RESEThttp://www.geocaching.com/mark/details.asp?PID=LV0103941 9750 TIDAL 16 RESETGeocacheGeocache941 9750 TIDAL 16 RESETCGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>941 9750 TIDAL 16 RESET</h1> <b> PID </b> LV0103 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 44 51. (N) 124 10 54. (W) SCALED <br> <b> NAVD 88 </b> 4.228 (meters) 13.87 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.226 (meters) 13.86 (feet) COMP <br> <b> MODELED GRAV</b> 980,285.7 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,340. </td><td> 1,818,550. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 3.19 (m) 10.5 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM017224(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE BLOCK <br>STAMPING: TIDAL 16 1956 RESET 1967 <br>STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1967 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1974 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY COAST AND GEODETIC SURVEY 1967 0.8 MI SE FROM CRESCENT CITY. 0.75 MILE SOUTHEAST ALONG U.S. HIGHWAY 101 FROM THE INTERSECTION OF FRONT STREET AT CRESCENT CITY, THENCE 0.1 MILE SOUTHWEST ALONG CITIZEN DOCK ROAD, IN THE TOP OF THE WEST CORNER OF A 6- BY 6-FOOT CONCRETE BLOCK WHICH PROJECTS ABOUT 1 1/2 FEET ABOVE THE GROUND, 36 FEET SOUTHEAST OF THE CENTER LINE OF THE ROAD, ABOUT 0.2 MILE NORTHEAST OF CITIZEN DOCK, 120 FEET EAST AND ACROSS THE ROAD FROM BENCH MARK T 1089 AND TIDAL 22, 39 FEET NORTH OF A PUMP HOUSE, AND ABOUT LEVEL WITH THE ROAD. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 THERE IS A NEW PIPE CULVERT AT THIS LOCATION. LV0113941 9750 TIDAL 18http://www.geocaching.com/mark/details.asp?PID=LV0113941 9750 TIDAL 18GeocacheGeocache941 9750 TIDAL 18CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 TIDAL 18</h1> <b> PID </b> LV0113 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> CRESCENT CITY (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 45 11. (N) 124 11 27. (W) SCALED <br> <b> NAVD 88 </b> 3.701 (meters) 12.14 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.58 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.700 (meters) 12.14 (feet) COMP <br> <b> MODELED GRAV</b> 980,287.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>This Tidal Bench Mark is designated as VM 1023 by the Center for Operational Oceanographic Products and Services. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,970. </td><td> 1,817,800. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 2.671 (m) 8.76 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM009230(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CONCRETE HEAD WALL <br>STAMPING: TIDAL 18 1959 <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>1959 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 AT CRESCENT CITY. AT CRESCENT CITY, ALONG U.S. HIGHWAY 101 SOUTH BOUND, IN THE TOP OF THE EAST END OF THE SOUTHWEST CONCRETE HEAD WALL OF BRIDGE NO. 1-21 OVER ELK CREEK, 40 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 69 FEET SOUTHEAST AND ACROSS THE HIGHWAY FROM THE SOUTHEAST EDGE OF A GRASSY PARK, 165 FEET NORTHEAST OF THE EXTENDED CENTER LINE OF M STREET, AND ABOUT LEVEL WITH THE HIGHWAY. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 THERE IS A NEW BRIDGE AT THIS LOCATION. LV0112941 9750 TIDAL 19http://www.geocaching.com/mark/details.asp?PID=LV0112941 9750 TIDAL 19GeocacheGeocache941 9750 TIDAL 19CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 TIDAL 19</h1> <b> PID </b> LV0112 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> CRESCENT CITY (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 45 07. (N) 124 11 09. (W) SCALED <br> <b> NAVD 88 </b> 3.692 (meters) 12.11 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.56 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.691 (meters) 12.11 (feet) COMP <br> <b> MODELED GRAV</b> 980,286.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>This Tidal Bench Mark is designated as VM 1024 by the Center for Operational Oceanographic Products and Services. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,840. </td><td> 1,818,220. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (12/02/92) 2.660 (m) 8.73 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM014229(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: HEADWALL <br>STAMPING: TIDAL 19 1959 <br>MARK LOGO: CGS <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1959 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 AT CRESCENT CITY. AT CRESCENT CITY, 0.35 MILE SOUTHEAST ALONG U.S. HIGHWAY 101 FROM THE INTERSECTION OF FRONT STREET, 0.05 MILE NORTHWEST OF THE JUNCTION OF ELK VALLEY ROAD, IN THE TOP OF THE SOUTHWEST END OF THE CONCRETE HEAD WALL OF A CULVERT UNDER A DRIVEWAY SOUTHEAST TO A SERVICE STATION, 40 FEET NORTHEAST OF THE CENTER LINE OF THE HIGHWAY, 71 FEET SOUTH OF THE SOUTH CORNER OF THE STATION BUILDING, 27 FEET NORTHWEST OF THE CENTER LINE OF THE DRIVEWAY, AND ABOUT 1/2 FOOT HIGHER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. LV0110941 9750 TIDAL 20 RESEThttp://www.geocaching.com/mark/details.asp?PID=LV0110941 9750 TIDAL 20 RESETGeocacheGeocache941 9750 TIDAL 20 RESETCGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> FBN </b> This is a Federal Base Network Control Station. <br> <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 TIDAL 20 RESET</h1> <b> PID </b> LV0110 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1998)</b> 41 44 45.43480(N) 124 11 01.78006(W) ADJUSTED <br> <b> NAVD 88 </b> 3.986 (meters) 13.08 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1998.50 <br> <b> X </b> -2,677,672.669 (meters) COMP <br> <b> Y </b> -3,942,468.905 (meters) COMP <br> <b> Z </b> 4,224,576.247 (meters) COMP <br> <b> LAPLACE CORR</b> 9.57 (seconds) DEFLEC99 <br> <b> ELLIP HEIGHT</b> -24.66 (meters) (04/06/00) GPS OBS <br> <b> GEOID HEIGHT</b> -28.56 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.985 (meters) 13.07 (feet) COMP <br> <b> MODELED GRAV</b> 980,286.2 (mgal) NAVD 88 <br> <p> <b> HORZ ORDER </b> A <br> <b> VERT ORDER </b> FIRST CLASS II <br> <b> ELLP ORDER </b> THIRD CLASS I <br> <p>The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in April 2000. This is a SPECIAL STATUS position. See SPECIAL STATUS under the DATUM ITEM on the data sheet items page. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>This Tidal Bench Mark is designated as VM 1016 by the Center for Operational Oceanographic Products and Services. <p>The X, Y, and Z were computed from the position and the ellipsoidal ht. <p>The Laplace correction was computed from DEFLEC99 derived deflections. <p>The ellipsoidal height was determined by GPS observations and is referenced to NAD 83. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td>Units</td><td>Scale Fact</td><td>r Converg.</td></tr><tr><td>SPC CA 1 </td><td> 770,168.071 1</td><td>818,365.304</td><td> MT </td><td>1.00002110</td><td> -1 ' 25 40.7"</td></tr><tr><td>SPC CA 1 </td><td>2,526,793.08 5</td><td>965,753.50 </td><td> sFT </td><td>1.00002110</td><td> -1 ' 25 40.7"</td></tr><tr><td>UTM 10 </td><td>4,622,247.548 </td><td>401,568.396</td><td> MT </td><td>0.99971923</td><td> -0 ' 47 17.8"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 1.00000387 x 1.00002110 = 1.00002497 <br> <b>UTM 10 </b> 1.00000387 x 0.99971923 = 0.99972310 <br> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (12/02/92) 2.953 (m) 9.69 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM0156822248(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: RETAINING WALL/CONCRETE SEAWALL <br>STAMPING: TIDAL 20 1959 RESET 1960 <br>MARK LOGO: CGS <br>PROJECTION: FLUSH <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 - October 20, 2004 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1960 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19940629</td><td>GOOD </td><td>CADT</td></tr><tr><td>19980520</td><td>GOOD </td><td>NGS</td></tr><tr><td>20041020</td><td>GOOD </td><td>ORBITE</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 1 MI SE FROM CRESCENT CITY. 0.75 MILE SOUTHEAST ALONG U.S. HIGHWAY 101 FROM THE INTERSECTION OF FRONT STREET AT CRESCENT CITY, THENCE 0.3 MILE SOUTHWEST ALONG CITIZENS DOCK ROAD, AT THE NORTHEAST END OF CITIZENS DOCK, AT THE NORTHWEST CORNER OF A PARKING LOT, IN THE TOP OF AN 18-INCH-SQUARE CONCRETE POST ALONG THE NORTHEAST SIDE OF DOCK, 17 FEET SOUTHEAST OF THE CENTER LINE OF THE ROAD, AND ABOUT 0.8 FOOT HIGHER THAN THE DOCK. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1994) </h2> <p>RECOVERY NOTE BY CALTRANS 1994 (GAA) RECOVERED AS DESCRIBED. <p> <h2>STATION RECOVERY (1998) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (CSM) RECOVERED AS DESCRIBED. NOTE--CONTACT HARBORMASTER LINDSAY A. MARKS, 101 CITIZENS DOCK ROAD, CRESCENT CITY CA. 95531, PHONE 707-464-6174 OR FAX 707-465-3535. <p> <h2>STATION RECOVERY (2004) </h2> <p>RECOVERY NOTE BY ORBITECH INC 2004 (SHG) RECOVERED IN GOOD CONDITION. LV0099941 9750 TIDAL 21http://www.geocaching.com/mark/details.asp?PID=LV0099941 9750 TIDAL 21GeocacheGeocache941 9750 TIDAL 21CGSUnknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>941 9750 TIDAL 21</h1> <b> PID </b> LV0099 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 44 54. (N) 124 10 49. (W) SCALED <br> <b> NAVD 88 </b> 4.047 (meters) 13.28 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.54 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.046 (meters) 13.27 (feet) COMP <br> <b> MODELED GRAV</b> 980,285.3 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,430. </td><td> 1,818,670. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 3.015 (m) 9.89 (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: 10TDM018225(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 30 = SET IN A LIGHT STRUCTURE <br>SP_SET: CULVERT <br>STAMPING: TIDAL 21 1960 <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>1960 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1974 </td><td>MARK NOT FOUND </td><td>NGS</td></tr><tr><td>1988 </td><td>MARK NOT FOUND </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 0.8 MI SE FROM CRESCENT CITY. 0.75 MILE SOUTHEAST ALONG U.S. HIGHWAY 101 FROM THE INTERSECTION OF FRONT STREET AT CRESCENT CITY, AT THE JUNCTION OF CITIZENS DOCK ROAD SOUTHWEST, IN THE TOP OF THE CENTER OF THE CONCRETE HEAD WALL OF A CULVERT UNDER THE ROAD, 150 FEET WEST AND ACROSS THE JUNCTION OF THE WEST CORNER OF CURLY REDWOOD LODGE (WESTERN), 41 FEET SOUTHWEST OF THE CENTER LINE OF THE HIGHWAY, 56 FEET NORTHWEST OF THE CENTER LINE OF THE ROAD, AND ABOUT 1 FOOT LOWER THAN THE HIGHWAY. <p> <h2>STATION RECOVERY (1974) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1974 MARK NOT FOUND. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 THERE IS A NEW CULVERT AT THIS LOCATION. LV0105941 9750 TIDAL 22 RESEThttp://www.geocaching.com/mark/details.asp?PID=LV0105941 9750 TIDAL 22 RESETGeocacheGeocache941 9750 TIDAL 22 RESETNGSNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <h1>941 9750 TIDAL 22 RESET</h1> <b> PID </b> LV0105 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 44 49. (N) 124 10 57. (W) SCALED <br> <b> NAVD 88 </b> 3.429 (meters) 11.25 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.56 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.428 (meters) 11.25 (feet) COMP <br> <b> MODELED GRAV</b> 980,286.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,280. </td><td> 1,818,480. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (??/??/??) 7.88 (m) 25.9 (f) RESET 3 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM016223(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC. <br>SP_SET: DOOR SLIDE BASE <br>STAMPING: TIDAL 22 RESET 1974 <br>MARK LOGO: NGS <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>1974 </td><td>MONUMENTED </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1974 0.9 MI SE FROM CRESCENT CITY. 0.75 MILE SOUTHEAST ALONG U.S. HIGHWAY 101 FROM THE INTERSECTION OF FRONT STREET AT CRESCENT CITY, THENCE 0.15 MILE SOUTHWEST ALONG CITIZENS DOCK ROAD, 80 YARDS SOUTH OF THE JUNCTION OF STARFISH WAY, AT THE CRESCENT CITY HARBOR DISTRICT SHOP, INSIDE THE LARGE NORTH SLIDING DOOR, SET IN THE TOP OF THE CONCRETE FLOOR ABOVE THE FOOTING OF THE CONCRETE BLOCK BUILDING, 14.7 FEET SOUTHEAST OF THE NORTH CORNER OF THE BUILDING, AND 0.6 FOOT NORTHWEST OF THE SOUTHEAST END OF THE DOOR. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. LV0561941 9750 TIDAL 23http://www.geocaching.com/mark/details.asp?PID=LV0561941 9750 TIDAL 23GeocacheGeocache941 9750 TIDAL 23NGSNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 TIDAL 23</h1> <b> PID </b> LV0561 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> CRESCENT CITY (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 45 04. (N) 124 11 01. (W) SCALED <br> <b> NAVD 88 </b> 4.775 (meters) 15.67 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.773 (meters) 15.66 (feet) COMP <br> <b> MODELED GRAV</b> 980,286.0 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>This Tidal Bench Mark is designated as VM 1027 by the Center for Operational Oceanographic Products and Services. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,740. </td><td> 1,818,400. </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: 10TDM015228(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 31 = SET IN A PAVEMENT SUCH AS STREET, SIDEWALK, CURB, ETC. <br>SP_SET: SIDEWALK <br>STAMPING: NO 23 1972 <br>MARK LOGO: NGS <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 18, 2003 <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>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr><tr><td>20031018</td><td>GOOD </td><td>USPSQD</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 IN CRESCENT CITY. IN CRESCENT CITY, AT 444 HIGHWAY 101 SOUTH, IN THE NORTHEAST CORNER OF THE SIDEWALK OF THE TOWN HOUSE MOTEL AT 444 HIGHWAY 101 SOUTH, 15.2 M (49.9 FT) SOUTHWEST OF THE CENTERLINE OF THE HIGHWAY, AND 0.6 M (2.0 FT) NORTHWEST OF THE NORTHWEST FACE OF THE MOTEL OFFICE. THE MARK IS 0.3 M ABOVE THE HIGHWAY. <p> <h2>STATION RECOVERY (2003) </h2> <p>RECOVERY NOTE BY US POWER SQUADRON 2003 (AES) RECOVERED IN GOOD CONDITION. LV0565941 9750 TIDAL 25http://www.geocaching.com/mark/details.asp?PID=LV0565941 9750 TIDAL 25GeocacheGeocache941 9750 TIDAL 25NOSNGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 TIDAL 25</h1> <b> PID </b> LV0565 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 44 46. (N) 124 10 54. (W) SCALED <br> <b> NAVD 88 </b> 3.351 (meters) 10.99 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.55 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 3.350 (meters) 10.99 (feet) COMP <br> <b> MODELED GRAV</b> 980,285.8 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>This Tidal Bench Mark is designated as VM 1029 by the Center for Operational Oceanographic Products and Services. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,180. </td><td> 1,818,550. </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: 10TDM017222(NAD 83) <br>MARKER: DB = BENCH MARK DISK <br>SETTING: 35 = SET IN A MAT FOUNDATION OR CONCRETE SLAB OTHER THAN <br>WITH SETTING: PAVEMENT <br>SP_SET: CONCRETE SLAB <br>STAMPING: NO 25 1972 <br>MARK LOGO: NGS <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>1972 </td><td>MONUMENTED </td><td>NOS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1988 IN CRESCENT CITY. IN CRESCENT CITY, AT THE INTERSECTION OF CITIZENS DOCK ROAD AND MARINE WAY, IN THE SOUTHWEST CORNER OF A 48-INCH SQUARE CONCRETE SLAB USED AS THE BASE OF A TELEPHONE BOOTH, 33.5 M (109.9 FT) NORTHEAST OF THE CENTER OF THE WAY, 7.6 M (24.9 FT) SOUTHEAST OF THE CENTERLINE OF THE ROAD, AND 5.4 M (17.7 FT) WEST OF THE SOUTHWEST CORNER OF THE GROTTO RESTAURANT. THE MARK IS ABOVE LEVEL WITH THE ROAD. LV0117941 9750 TIDAL 6http://www.geocaching.com/mark/details.asp?PID=LV0117941 9750 TIDAL 6GeocacheGeocache941 9750 TIDAL 6CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 TIDAL 6</h1> <b> PID </b> LV0117 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 44 54. (N) 124 12 03. (W) SCALED <br> <b> NAVD 88 </b> 4.122 (meters) 13.52 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.63 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.121 (meters) 13.52 (feet) COMP <br> <b> MODELED GRAV</b> 980,290.4 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. WARNING-Repeat measurements at this control monument indicate possible vertical movement. <p>This Tidal Bench Mark is designated as VM 1017 by the Center for Operational Oceanographic Products and Services. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,470. </td><td> 1,816,960. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (12/02/92) 3.097 (m) 10.16 (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: 10TDM001225(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: RETAINING WALL <br>STAMPING: 6 1933 <br>MARK LOGO: CGS <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 - June 29, 1994 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1933 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19940629</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 AT CRESCENT CITY. AT CRESCENT CITY, AT THE JUNCTION OF FRONT AND D STREET, IN THE TOP OF A SEAWALL, 9.0 FEET SOUTHEAST OF THE SOUTHEAST CURB OF FRONT STREET, 25 FEET NORTHEAST OF THE EXTENDED CENTER LINE OF D STREET, 72 FEET NORTHEAST OF THE EAST CORNER OF A SMALL OFFICE BUILDING, 25 FEET NORTHEAST OF TIDAL 14, 78 FEET SOUTHWEST OF A LIGHT POLE, AND ABOUT LEVEL WITH THE STREET. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1994) </h2> <p>RECOVERY NOTE BY CALTRANS 1994 (GAA) RECOVERED IN GOOD CONDITION. NOTE--THE SEAWALL IS NOW A LOW RETAINING WALL ALONG THE NORTHWEST EDGE OF A PARK ON THE SOUTHEAST SIDE OF FRONT STREET. PARK TREES EXTEND OVER TOP OF MARK. LV0115941 9750 TIDAL 7http://www.geocaching.com/mark/details.asp?PID=LV0115941 9750 TIDAL 7GeocacheGeocache941 9750 TIDAL 7CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 TIDAL 7</h1> <b> PID </b> LV0115 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> CRESCENT CITY (1978) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1986)</b> 41 45 00. (N) 124 11 51. (W) SCALED <br> <b> NAVD 88 </b> 4.122 (meters) 13.52 (feet) ADJUSTED <br> <hr> <b> GEOID HEIGHT</b> -28.61 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 4.121 (meters) 13.52 (feet) COMP <br> <b> MODELED GRAV</b> 980,289.5 (mgal) NAVD 88 <br> <p> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. WARNING-Repeat measurements at this control monument indicate possible vertical movement. <p>This Tidal Bench Mark is designated as VM 1019 by the Center for Operational Oceanographic Products and Services. <p>The geoid height was determined by GEOID03. <p>The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (g = 980.6199 gals.). <p>The modeled gravity was interpolated from observed gravity values. <p> <table border=1><tr><td> </td><td> North </td><td> East </td><td> Units</td><td> Estimated Accuracy</td></tr><tr><td>SPC CA 1 </td><td> 770,650. </td><td> 1,817,240. </td><td> MT</td><td> (+/- 180 meters Scaled)</td></tr> </table> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (12/02/92) 3.088 (m) 10.13 (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: 10TDM004227(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 32 = SET IN A RETAINING WALL OR CONCRETE LEDGE <br>SP_SET: RETAINING WALL <br>STAMPING: 7 1945 <br>MARK LOGO: CGS <br>MAGNETIC: O = OTHER; SEE DESCRIPTION <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - June 29, 1994 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1945 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19940629</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATION DESCRIPTION </h2> <p>DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 AT CRESCENT CITY. AT CRESCENT CITY, AT THE SOUTH CORNER OF FRONT AND H STREETS, IN THE TOP OF A CONCRETE SEAWALL, 96 FEET SOUTHEAST AND ACROSS FRONT STREET FROM THE EAST CORNER OF SURF HOTEL, 9 FEET SOUTHEAST OF THE SOUTHEAST CURB OF FRONT STREET, 27 FEET SOUTHWEST OF THE CENTER LINE OF H STREET, 7 FEET NORTHWEST OF A POWER POLE, AND ABOUT LEVEL WITH FRONT STREET. <p> <h2>STATION RECOVERY (1988) </h2> <p>RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 RECOVERED IN GOOD CONDITION. <p> <h2>STATION RECOVERY (1994) </h2> <p>RECOVERY NOTE BY CALTRANS 1994 (GAA) RECOVERED IN GOOD CONDITION. NOTE--THE WALL IS NOW A LOW RETAINING WALL, ABOUT 2 FT (0.6 M) HIGH, SERVING AS THE NORTHWEST EDGE OF A CITY PARK ALONG THE SOUTHEAST SIDE OF FRONT STREET, 15 FT (4.6 M) EAST OF A LIGHT POLE AND 1.2 FT (0.4 M) SOUTHWEST OF THE NORTHEAST CORNER OF THE WALL. LV0122941 9750 TIDAL 8http://www.geocaching.com/mark/details.asp?PID=LV0122941 9750 TIDAL 8GeocacheGeocache941 9750 TIDAL 8CGSCGS Unknown CacheRegular11United StatesCaliforniaNGS Datasheet <b> TIDAL BM </b> This is a Tidal Bench Mark. <br> <h1>941 9750 TIDAL 8</h1> <b> PID </b> LV0122 <br> <b> STATE/COUNTY</b> CA/DEL NORTE <br> <b> USGS QUAD </b> SISTER ROCKS (1966) <br> <p> <h2>Current Survey Control</h2> <hr> <b> NAD 83(1992)</b> 41 44 46.01819(N) 124 12 04.12861(W) ADJUSTED <br> <b> NAVD 88 </b> 8.973 (meters) 29.44 (feet) ADJUSTED <br> <hr> <b> EPOCH DATE </b> 1991.35 <br> <b> LAPLACE CORR</b> 8.88 (seconds) DEFLEC99 <br> <b> GEOID HEIGHT</b> -28.63 (meters) GEOID03 <br> <b> DYNAMIC HT </b> 8.970 (meters) 29.43 (feet) COMP <br> <b> MODELED GRAV</b> 980,290.1 (mgal) NAVD 88 <br> <p> <b> HORZ ORDER </b> THIRD <br> <b> VERT ORDER </b> FIRST CLASS II <br> <p>The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in December 1997. The horizontal coordinates are valid at the epoch date displayed above. The epoch date for horizontal control is a decimal equivalence of Year/Month/Day. <p>The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991. <p>This Tidal Bench Mark is designated as VM 1020 by the Center for Operational Oceanographic Products and Services. <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 1 </td><td> 770,222.108 1</td><td>816,925.588</td><td> MT </td><td>1.00002115</td><td> -1 ' 26 21.5"</td></tr><tr><td>SPC CA 1 </td><td>2,526,970.37 5</td><td>961,030.03 </td><td> sFT </td><td>1.00002115</td><td> -1 ' 26 21.5"</td></tr><tr><td>UTM 10 </td><td>4,622,285.498 </td><td>400,128.598</td><td> MT </td><td>0.99972274</td><td> -0 ' 47 59.4"</td></tr> </table> <p> <b> </b> Elev Factor x Scale Factor = Combined Factor <br> <b>SPC CA 1 </b> 1.00000308 x 1.00002115 = 1.00002423 <br> <b>UTM 10 </b> 1.00000308 x 0.99972274 = 0.99972582 <br> <p> <h2>Superseded Survey Control</h2>
<p> NGVD 29 (12/02/92) 7.942 (m) 26.06 (f) ADJUSTED 1 2 <br>
<p>Superseded values are not recommended for survey control. NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. See file dsdata.txt to determine how the superseded data were derived. <p> <h2>Marker Information</h2>U.S. NATIONAL GRID SPATIAL ADDRESS: 10TDM0012922285(NAD 83) <br>MARKER: DJ = TIDAL STATION DISK <br>SETTING: 35 = SET IN A MAT FOUNDATION OR CONCRETE SLAB OTHER THAN <br>WITH SETTING: PAVEMENT <br>SP_SET: ANCHOR BLOCK <br>STAMPING: 8 1945 <br>MARK LOGO: CGS <br>MAGNETIC: N = NO MAGNETIC MATERIAL <br>STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO <br>STABILITY: SURFACE MOTION <br>SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR <br>SATELLITE: SATELLITE OBSERVATIONS - June 29, 1994 <br> </table> <p> <h2>History</h2><table border=1><tr><td>Date </td><td>Condition </td><td>Report By</td></tr><tr><td>1945 </td><td>MONUMENTED </td><td>CGS</td></tr><tr><td>1967 </td><td>GOOD </td><td>NGS</td></tr><tr><td>1988 </td><td>GOOD </td><td>NGS</td></tr><tr><td>19940629</td><td>GOOD </td><td>CADT</td></tr> </table> <p> <h2>STATIO