1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT0451 *********************************************************************** HT0451 DESIGNATION - AA 110 HT0451 PID - HT0451 HT0451 STATE/COUNTY- CA/SAN MATEO HT0451 USGS QUAD - SAN MATEO (1997) HT0451 HT0451 *CURRENT SURVEY CONTROL HT0451 ___________________________________________________________________ HT0451* NAD 83(1986)- 37 33 40. (N) 122 19 20. (W) SCALED HT0451* NAVD 88 - 11.64 (+/-2cm) 38.2 (feet) VERTCON HT0451 ___________________________________________________________________ HT0451 GEOID HEIGHT- -32.52 (meters) GEOID99 HT0451 HT0451 VERT ORDER - FIRST CLASS II (See Below) HT0451 HT0451.The horizontal coordinates were scaled from a topographic map and have HT0451.an estimated accuracy of +/- 6 seconds. HT0451 HT0451.The NAVD 88 height was computed by applying the VERTCON shift value to HT0451.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT0451.The vertical order pertains to the superseded datum. HT0451 HT0451.The geoid height was determined by GEOID99. HT0451 HT0451; North East Units Estimated Accuracy HT0451;SPC CA 3 - 619,330. 1,839,020. MT (+/- 180 meters Scaled) HT0451 HT0451 SUPERSEDED SURVEY CONTROL HT0451 HT0451 NGVD 29 - 10.808 (m) 35.46 (f) ADJ UNCH 1 2 HT0451 HT0451.Superseded values are not recommended for survey control. HT0451.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT0451.See file dsdata.txt to determine how the superseded data were derived. HT0451 HT0451_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG598573(NAD 83) HT0451_MARKER: DB = BENCH MARK DISK HT0451_SETTING: 30 = FLAGPOLE BASE HT0451_STAMPING: AA 110 1932 HT0451_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HT0451_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HT0451+SATELLITE: SATELLITE OBSERVATIONS - August 10, 2003 HT0451 HT0451 HISTORY - Date Condition Report By HT0451 HISTORY - 1932 MONUMENTED CGS HT0451 HISTORY - 1956 GOOD NGS HT0451 HISTORY - 1972 GOOD NGS HT0451 HISTORY - 1976 GOOD NGS HT0451 HISTORY - 20030810 GOOD GEOCAC HT0451 HT0451 STATION DESCRIPTION HT0451 HT0451'DESCRIBED BY NATIONAL GEODETIC SURVEY 1956 HT0451'AT SAN MATEO. HT0451'AT SAN MATEO, AT CENTRAL SAN MATEO CITY PARK, ABOUT 160 YARDS HT0451'SOUTHWEST OF THE T JUNCTION OF LAUREL AVENUE AND 7TH STREET, 400 HT0451'FEET NORTHEAST OF EL CAMINO REAL (U.S. HIGHWAY 101), IN THE TOP HT0451'OF THE SOUTHEAST SIDE OF THE CONCRETE BASE OF A FLAGPOLE, 0.8 HT0451'FOOT SOUTHEAST OF THE SOUTHEAST SIDE OF THE IRON BASE OF THE HT0451'FLAGPOLE, AND 0.5 FOOT HIGHER THAN THE GROUND. NOTE-- DISK HT0451'SLANTING, ROD WAS HELD OVER THE WORD OR BETWEEN THE WORDS FINE AND HT0451'IMPRISONMENT DURING THE 1956 RELEVELING. HT0451 HT0451 STATION RECOVERY (1972) HT0451 HT0451'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 HT0451'RECOVERED IN GOOD CONDITION. HT0451 HT0451 STATION RECOVERY (1976) HT0451 HT0451'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 HT0451'AT SAN MATEO, AT CENTRAL SAN MATEO CITY PARK, ABOUT 160 YARDS HT0451'SOUTHWEST OF THE T JUNCTION OF LAUREL AVENUE AND 7 TH STREET, 400 FT HT0451'NORTHEAST OF EL CAMINO REAL (US HIGHWAY 101), IN THE TOP OF THE HT0451'SOUTHEAST SIDE OF THE CONCRETE BASE OF A FLAG POLE, 0.8 FT SOUTHEAST HT0451'OF THE SOUTHEAST SIDE OF THE IRON BASE OF THE FLAG POLE, NOTE DISK HT0451'SLANTING, ROD WAS HELD OVER THE WORD -OR- BETWEEN THE WORDS -FINE AND HT0451'IMPRISONMENT-. HT0451 HT0451 STATION RECOVERY (2003) HT0451 HT0451'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT0451'CONDITION AS DESCRIBED IN 1976. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT0464 *********************************************************************** HT0464 DESIGNATION - B 1241 HT0464 PID - HT0464 HT0464 STATE/COUNTY- CA/SAN MATEO HT0464 USGS QUAD - MONTARA MOUNTAIN (1997) HT0464 HT0464 *CURRENT SURVEY CONTROL HT0464 ___________________________________________________________________ HT0464* NAD 83(1986)- 37 37 13. (N) 122 29 05. (W) SCALED HT0464* NAVD 88 - 19.788 (meters) 64.92 (feet) ADJUSTED HT0464 ___________________________________________________________________ HT0464 GEOID HEIGHT- -32.71 (meters) GEOID99 HT0464 DYNAMIC HT - 19.775 (meters) 64.88 (feet) COMP HT0464 MODELED GRAV- 979,972.6 (mgal) NAVD 88 HT0464 HT0464 VERT ORDER - FIRST CLASS I HT0464 HT0464.The horizontal coordinates were scaled from a topographic map and have HT0464.an estimated accuracy of +/- 6 seconds. HT0464 HT0464.The orthometric height was determined by differential leveling HT0464.and adjusted by the National Geodetic Survey in June 1991. HT0464 HT0464.The geoid height was determined by GEOID99. HT0464 HT0464.The dynamic height is computed by dividing the NAVD 88 HT0464.geopotential number by the normal gravity value computed on the HT0464.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HT0464.degrees latitude (g = 980.6199 gals.). HT0464 HT0464.The modeled gravity was interpolated from observed gravity values. HT0464 HT0464; North East Units Estimated Accuracy HT0464;SPC CA 3 - 626,190. 1,824,810. MT (+/- 180 meters Scaled) HT0464 HT0464 SUPERSEDED SURVEY CONTROL HT0464 HT0464 NGVD 29 - 18.950 (m) 62.17 (f) ADJ UNCH 1 1 HT0464 HT0464.Superseded values are not recommended for survey control. HT0464.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT0464.See file dsdata.txt to determine how the superseded data were derived. HT0464 HT0464_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG454638(NAD 83) HT0464_MARKER: DB = BENCH MARK DISK HT0464_SETTING: 30 = CATCH BASIN HT0464_STAMPING: B 1241 1972 HT0464_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HT0464 HT0464 HISTORY - Date Condition Report By HT0464 HISTORY - 1972 MONUMENTED NGS HT0464 HISTORY - 1978 GOOD NGS HT0464 HISTORY - 20001022 GOOD INDIV HT0464 HISTORY - 20030722 POOR GEOCAC HT0464 HT0464 STATION DESCRIPTION HT0464 HT0464'DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 HT0464'AT PACIFICA. HT0464'AT THE SOUTHEAST CORNER OF THE JUNCTION OF STATE HIGHWAY 1 AND HT0464'WESTPORT DRIVE AT PACIFICA, ALSO 0.8 MILE NORTH ALONG STATE HIGHWAY HT0464'1 FROM BENCH MARK A 1241, 49 FEET EAST OF THE CENTER LINE OF THE HT0464'NORTH BOUND HIGHWAY LANES, IN THE TOP AND AT THE NORTHEAST CORNER HT0464'OF A 4- BY 8-FOOT CONCRETE CATCH BASIN 43/01 COVERED WITH HT0464'DIAMOND PLATE STEEL, 70 FEET SOUTH OF THE CENTER LINE OF THE HT0464'DRIVE, 0.5 FOOT SOUTHWEST OF THE NORTHEAST CORNER OF A STRUCTURE, HT0464'AND ABOUT 2 FEET LOWER THAN THE HIGHWAY. HT0464 HT0464 STATION RECOVERY (1978) HT0464 HT0464'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978 HT0464'RECOVERED IN GOOD CONDITION. HT0464 HT0464 STATION RECOVERY (2000) HT0464 HT0464'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2000 (WKW) HT0464'IMAGES AT WWW.CROCUTA.COM/NGS/HT0464.HTML HT0464 HT0464 STATION RECOVERY (2003) HT0464 HT0464'RECOVERY NOTE BY GEOCACHING 2003 (BGT) HT0464'DISK HAS SUSTAINED SOME SLIGHT DAMAGE AND IS SOMEWHAT LOOSE IN THE HT0464'GROUND. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT1581 *********************************************************************** HT1581 DESIGNATION - B 387 HT1581 PID - HT1581 HT1581 STATE/COUNTY- CA/SAN MATEO HT1581 USGS QUAD - WOODSIDE (1997) HT1581 HT1581 *CURRENT SURVEY CONTROL HT1581 ___________________________________________________________________ HT1581* NAD 83(1986)- 37 26 56. (N) 122 20 13. (W) SCALED HT1581* NAVD 88 - 625.25 (+/-2cm) 2051.3 (feet) VERTCON HT1581 ___________________________________________________________________ HT1581 GEOID HEIGHT- -32.50 (meters) GEOID99 HT1581 HT1581 VERT ORDER - FIRST CLASS II (See Below) HT1581 HT1581.The horizontal coordinates were scaled from a topographic map and have HT1581.an estimated accuracy of +/- 6 seconds. HT1581 HT1581.The NAVD 88 height was computed by applying the VERTCON shift value to HT1581.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT1581.The vertical order pertains to the superseded datum. HT1581 HT1581.The geoid height was determined by GEOID99. HT1581 HT1581; North East Units Estimated Accuracy HT1581;SPC CA 3 - 606,900. 1,837,480. MT (+/- 180 meters Scaled) HT1581 HT1581 SUPERSEDED SURVEY CONTROL HT1581 HT1581 NGVD 29 - 624.357 (m) 2048.41 (f) ADJ UNCH 1 2 HT1581 HT1581.Superseded values are not recommended for survey control. HT1581.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT1581.See file dsdata.txt to determine how the superseded data were derived. HT1581 HT1581_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG586448(NAD 83) HT1581_MARKER: DB = BENCH MARK DISK HT1581_SETTING: 80 = SET IN A BOULDER HT1581_STAMPING: B 387 1936 HT1581_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HT1581+STABILITY: SURFACE MOTION HT1581_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HT1581+SATELLITE: SATELLITE OBSERVATIONS - July 06, 2003 HT1581 HT1581 HISTORY - Date Condition Report By HT1581 HISTORY - 1936 MONUMENTED CGS HT1581 HISTORY - 1960 GOOD NGS HT1581 HISTORY - 1969 GOOD NGS HT1581 HISTORY - 20030706 GOOD GEOCAC HT1581 HT1581 STATION DESCRIPTION HT1581 HT1581'DESCRIBED BY NATIONAL GEODETIC SURVEY 1960 HT1581'12.2 MI S FROM SAN MATEO. HT1581'ABOUT 0.7 MILE SOUTHWEST ALONG THIRD AVENUE FROM THE SOUTHERN HT1581'PACIFIC STATION AT SAN MATEO, THENCE 3.2 MILES SOUTHWEST ALONG HT1581'CRYSTAL SPRINGS ROAD, THENCE 8.3 MILES SOUTH ALONG SKYLINE HT1581'BOULEVARD, IN THE TOP OF THE WEST SIDE OF A 4 X 5-FOOT BOULDER HT1581'THAT PROJECTS 2 1/2 FEET, 40 1/2 FEET NORTH OF THE CENTER LINE HT1581'OF THE HIGHWAY, 98 FEET NORTHEAST OF THE CENTER OF THE JUNCTION HT1581'9.9 FEET SOUTH OF A FENCE, 2.0 FEET EAST OF A WITNESS POST, HT1581'AND ABOUT 3 FEET HIGHER THAN THE HIGHWAY. HT1581 HT1581 STATION RECOVERY (1969) HT1581 HT1581'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1969 HT1581'RECOVERED IN GOOD CONDITION. HT1581 HT1581 STATION RECOVERY (2003) HT1581 HT1581'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT1581'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT1586 *********************************************************************** HT1586 DESIGNATION - B 388 HT1586 PID - HT1586 HT1586 STATE/COUNTY- CA/SAN MATEO HT1586 USGS QUAD - WOODSIDE (1997) HT1586 HT1586 *CURRENT SURVEY CONTROL HT1586 ___________________________________________________________________ HT1586* NAD 83(1986)- 37 24 39. (N) 122 18 21. (W) SCALED HT1586* NAVD 88 - 706.63 (+/-2cm) 2318.3 (feet) VERTCON HT1586 ___________________________________________________________________ HT1586 GEOID HEIGHT- -32.47 (meters) GEOID99 HT1586 HT1586 VERT ORDER - FIRST CLASS II (See Below) HT1586 HT1586.The horizontal coordinates were scaled from a topographic map and have HT1586.an estimated accuracy of +/- 6 seconds. HT1586 HT1586.The NAVD 88 height was computed by applying the VERTCON shift value to HT1586.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT1586.The vertical order pertains to the superseded datum. HT1586 HT1586.The geoid height was determined by GEOID99. HT1586 HT1586; North East Units Estimated Accuracy HT1586;SPC CA 3 - 602,630. 1,840,150. MT (+/- 180 meters Scaled) HT1586 HT1586 SUPERSEDED SURVEY CONTROL HT1586 HT1586 NGVD 29 - 705.738 (m) 2315.41 (f) ADJ UNCH 1 2 HT1586 HT1586.Superseded values are not recommended for survey control. HT1586.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT1586.See file dsdata.txt to determine how the superseded data were derived. HT1586 HT1586_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG614406(NAD 83) HT1586_MARKER: DB = BENCH MARK DISK HT1586_SETTING: 36 = MONUMENT HT1586_STAMPING: B 388 1937 HT1586_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HT1586 HT1586 HISTORY - Date Condition Report By HT1586 HISTORY - 1937 MONUMENTED CGS HT1586 HISTORY - 1969 GOOD NGS HT1586 HISTORY - 20030706 GOOD GEOCAC HT1586 HT1586 STATION DESCRIPTION HT1586 HT1586'DESCRIBED BY NATIONAL GEODETIC SURVEY 1969 HT1586'3 MI SW FROM WOODSIDE. HT1586'FROM THE JUNCTION OF U.S. HIGHWAY 101 AND STATE HIGHWAY 92 IN HT1586'SAN MATEO, FOLLOW STATE HIGHWAY 92 WESTERLY FOR 7.6 MILES, THENCE HT1586'LEFT, SOUTH, ALONG STATE HIGHWAY 35 FOR 8.6 MILES TO THE MARK ON HT1586'THE LEFT SIDE OF THE HIGHWAY AT A ROAD SIDE PARKING AREA. THE HT1586'BENCH MARK IS A STANDARD DISK, CEMENTED IN A DRILL HOLE IN HT1586'CONCRETE AT THE BASE OF A GRANITE MONUMENT WITH A SUNDIAL IN THE HT1586'TOP. IT IS 9 INCHES SOUTHWEST OF THE BASE OF THE MONUMENT. HT1586 HT1586 STATION RECOVERY (2003) HT1586 HT1586'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT1586'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT1318 *********************************************************************** HT1318 DESIGNATION - F 7 RESET 1940 HT1318 PID - HT1318 HT1318 STATE/COUNTY- CA/SAN MATEO HT1318 USGS QUAD - PALO ALTO (1997) HT1318 HT1318 *CURRENT SURVEY CONTROL HT1318 ___________________________________________________________________ HT1318* NAD 83(1986)- 37 29 06. (N) 122 13 39. (W) SCALED HT1318* NAVD 88 - 4.20 (+/-2cm) 13.8 (feet) VERTCON HT1318 ___________________________________________________________________ HT1318 GEOID HEIGHT- -32.51 (meters) GEOID99 HT1318 HT1318 VERT ORDER - FIRST CLASS II (See Below) HT1318 HT1318.The horizontal coordinates were scaled from a topographic map and have HT1318.an estimated accuracy of +/- 6 seconds. HT1318 HT1318.The NAVD 88 height was computed by applying the VERTCON shift value to HT1318.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT1318.The vertical order pertains to the superseded datum. HT1318 HT1318.The geoid height was determined by GEOID99. HT1318 HT1318; North East Units Estimated Accuracy HT1318;SPC CA 3 - 610,730. 1,847,230. MT (+/- 180 meters Scaled) HT1318 HT1318 SUPERSEDED SURVEY CONTROL HT1318 HT1318 NGVD 29 - 3.372 (m) 11.06 (f) ADJ UNCH 1 2 HT1318 HT1318.Superseded values are not recommended for survey control. HT1318.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT1318.See file dsdata.txt to determine how the superseded data were derived. HT1318 HT1318_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG682489(NAD 83) HT1318_MARKER: DB = BENCH MARK DISK HT1318_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HT1318_STAMPING: F 7 RESET 1940 HT1318_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HT1318+STABILITY: SURFACE MOTION HT1318 HT1318 HISTORY - Date Condition Report By HT1318 HISTORY - 1940 MONUMENTED CGS HT1318 HISTORY - 1960 GOOD NGS HT1318 HISTORY - 1967 GOOD NGS HT1318 HISTORY - 1976 GOOD NGS HT1318 HISTORY - 20030706 GOOD GEOCAC HT1318 HT1318 STATION DESCRIPTION HT1318 HT1318'DESCRIBED BY NATIONAL GEODETIC SURVEY 1960 HT1318'AT REDWOOD CITY. HT1318'AT REDWOOD CITY, AT THE INTERSECTION OF JEFFERSON AVENUE AND HT1318'MIDDLEFIELD ROAD, ON THE CITY HALL LAWN, 46.0 FEET EAST OF THE HT1318'EAST CURB OF THE AVENUE, 45.0 FEET NORTHEAST OF THE NORTHEAST HT1318'CURB OF THE ROAD, 26 FEET SOUTHEAST OF A LONE 24-INCH REDWOOD HT1318'TREE, 10.5 FEET NORTHWEST OF THE NORTHWEST SIDE OF THE CONCRETE HT1318'BASE OF THE FLAGPOLE, AND SET IN THE TOP OF A GRANITE POST HT1318'PROJECTING 0.7 FOOT ABOVE THE GROUND. HT1318 HT1318 STATION RECOVERY (1967) HT1318 HT1318'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 HT1318'RECOVERED IN GOOD CONDITION. HT1318 HT1318 STATION RECOVERY (1976) HT1318 HT1318'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 HT1318'AT REDWOOD CITY, AT THE NORTHEAST CORNER OF THE INTERSECTION OF HT1318'JEFFERSON AVENUE AND MIDDLEFIELD ROAD, ON THE CITY HALL LAWN, 46 FT HT1318'EAST OF THE EAST CURB OF AVENUE, 45 FT NORTHEAST OF NORTHEAST CURB OF HT1318'THE ROAD, 26 FT SOUTHEAST OF A LONE 41-INCH REDWOOD TREE, 10.5 FT HT1318'NORTHWEST OF THE NORTHWEST SIDE OF THE CONCRETE BASE FOR A FLAGPOLE. HT1318 HT1318 STATION RECOVERY (2003) HT1318 HT1318'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT1318'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT0484 *********************************************************************** HT0484 DESIGNATION - H 386 HT0484 PID - HT0484 HT0484 STATE/COUNTY- CA/SAN MATEO HT0484 USGS QUAD - SAN MATEO (1997) HT0484 HT0484 *CURRENT SURVEY CONTROL HT0484 ___________________________________________________________________ HT0484* NAD 83(1986)- 37 33 36. (N) 122 19 47. (W) SCALED HT0484* NAVD 88 - 13.76 (+/-2cm) 45.1 (feet) VERTCON HT0484 ___________________________________________________________________ HT0484 GEOID HEIGHT- -32.52 (meters) GEOID99 HT0484 HT0484 VERT ORDER - FIRST CLASS II (See Below) HT0484 HT0484.The horizontal coordinates were scaled from a topographic map and have HT0484.an estimated accuracy of +/- 6 seconds. HT0484 HT0484.The NAVD 88 height was computed by applying the VERTCON shift value to HT0484.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT0484.The vertical order pertains to the superseded datum. HT0484 HT0484.The geoid height was determined by GEOID99. HT0484 HT0484; North East Units Estimated Accuracy HT0484;SPC CA 3 - 619,220. 1,838,360. MT (+/- 180 meters Scaled) HT0484 HT0484 SUPERSEDED SURVEY CONTROL HT0484 HT0484 NGVD 29 - 12.921 (m) 42.39 (f) ADJ UNCH 1 2 HT0484 HT0484.Superseded values are not recommended for survey control. HT0484.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT0484.See file dsdata.txt to determine how the superseded data were derived. HT0484 HT0484_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG591572(NAD 83) HT0484_MARKER: DB = BENCH MARK DISK HT0484_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HT0484_STAMPING: H 386 1936 HT0484_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HT0484+STABILITY: SURFACE MOTION HT0484_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HT0484+SATELLITE: SATELLITE OBSERVATIONS - August 10, 2003 HT0484 HT0484 HISTORY - Date Condition Report By HT0484 HISTORY - 1936 MONUMENTED CGS HT0484 HISTORY - 1956 GOOD NGS HT0484 HISTORY - 1967 GOOD NGS HT0484 HISTORY - 20030810 GOOD GEOCAC HT0484 HT0484 STATION DESCRIPTION HT0484 HT0484'DESCRIBED BY NATIONAL GEODETIC SURVEY 1956 HT0484'AT SAN MATEO. HT0484'AT SAN MATEO, 0.6 MILE WEST ALONG THIRD AVENUE FROM THE SOUTHERN HT0484'PACIFIC COMPANY RAILROAD STATION, AT THE INTERSECTION OF WEST HT0484'THIRD AVENUE AND PARROTT DRIVE, AT THE NORTHEAST END OF A HT0484'SMALL TRIANGULAR PARK, 32.5 FEET SOUTHEAST OF THE CENTER HT0484'LINE OF THE AVENUE, 10 FEET NORTHEAST OF A STEEL LIGHTPOLE, HT0484'7 FEET NORTHWEST OF THE NORTHWEST CURB OF THE DRIVE, 4.4 HT0484'FEET SOUTHWEST OF THE NORTHEAST END OF THE PARK, ABOUT LEVEL HT0484'WITH THE TOP OF THE CURB, AND SET IN THE TOP OF A CONCRETE HT0484'POST PROJECTING 0.2 FOOT ABOVE THE GROUND. NOTE-- 1.5 FEET HT0484'WEST OF A WARNING SIGN 25 MILE SPEED, AND 3 FEET INSIDE THE CURB. HT0484 HT0484 STATION RECOVERY (1967) HT0484 HT0484'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 HT0484'RECOVERED IN GOOD CONDITION. HT0484 HT0484 STATION RECOVERY (2003) HT0484 HT0484'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT0484'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 AB7675 *********************************************************************** AB7675 DESIGNATION - HPGN D CA 04 EG AB7675 PID - AB7675 AB7675 STATE/COUNTY- CA/SAN MATEO AB7675 USGS QUAD - SAN MATEO (1997) AB7675 AB7675 *CURRENT SURVEY CONTROL AB7675 ___________________________________________________________________ AB7675* NAD 83(1992)- 37 32 45.64708(N) 122 22 22.67239(W) ADJUSTED AB7675* NAVD 88 - 193.4 (meters) 635. (feet) GPS OBS AB7675 ___________________________________________________________________ AB7675 EPOCH DATE - 1991.35 AB7675 X - -2,711,099.499 (meters) COMP AB7675 Y - -4,276,468.163 (meters) COMP AB7675 Z - 3,865,712.446 (meters) COMP AB7675 LAPLACE CORR- 0.48 (seconds) DEFLEC99 AB7675 ELLIP HEIGHT- 160.88 (meters) (10/31/96) GPS OBS AB7675 GEOID HEIGHT- -32.51 (meters) GEOID99 AB7675 AB7675 HORZ ORDER - FIRST AB7675 ELLP ORDER - FOURTH CLASS I AB7675 AB7675.The horizontal coordinates were established by GPS observations AB7675.and adjusted by the National Geodetic Survey in October 1996. AB7675.The horizontal coordinates are valid at the epoch date displayed above. AB7675.The epoch date for horizontal control is a decimal equivalence AB7675.of Year/Month/Day. AB7675 AB7675.The orthometric height was determined by GPS observations and a AB7675.high-resolution geoid model. AB7675 AB7675.The X, Y, and Z were computed from the position and the ellipsoidal ht. AB7675 AB7675.The Laplace correction was computed from DEFLEC99 derived deflections. AB7675 AB7675.The ellipsoidal height was determined by GPS observations AB7675.and is referenced to NAD 83. AB7675 AB7675.The geoid height was determined by GEOID99. AB7675 AB7675; North East Units Scale Converg. AB7675;SPC CA 3 - 617,743.311 1,834,505.674 MT 0.99993555 -1 08 48.1 AB7675;SPC CA 3 - 2,026,712.85 6,018,707.37 sFT 0.99993555 -1 08 48.1 AB7675;UTM 10 - 4,155,630.880 555,389.970 MT 0.99963779 +0 22 55.6 AB7675 AB7675 SUPERSEDED SURVEY CONTROL AB7675 AB7675.No superseded survey control is available for this station. AB7675 AB7675_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG5539055631(NAD 83) AB7675_MARKER: DD = SURVEY DISK AB7675_SETTING: 50 = ALUMINUM ALLOY ROD W/O SLEEVE (10 FT.+) AB7675_STAMPING: CA-HPGN-DENSIFICATION STA. 04-EG 1994 AB7675_MARK LOGO: CADT AB7675_PROJECTION: FLUSH AB7675_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET AB7675_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AB7675_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AB7675+SATELLITE: SATELLITE OBSERVATIONS - July 06, 2003 AB7675_ROD/PIPE-DEPTH: 2.4 meters AB7675 AB7675 HISTORY - Date Condition Report By AB7675 HISTORY - 1994 MONUMENTED CADT AB7675 HISTORY - 20030706 GOOD GEOCAC AB7675 AB7675 STATION DESCRIPTION AB7675 AB7675'DESCRIBED BY CALTRANS 1994 (DAN) AB7675'THE STATION IS LOCATED ON THE WEST SIDE OF SKYLINE BLVD, BETWEEN AB7675'INTERSTATE HIGHWAY 280 AND LOWER CRYSTAL SPRINGS RESERVOIR, ABOUT 6 MI AB7675'(9.7 KM) SOUTH OF THE SAN FRANCISCO INTERNATIONAL AIRPORT AND 3 MI AB7675'(4.8 KM) WEST OF SAN MATEO. TO REACH THE STATION FROM THE JUNCTION OF AB7675'INTERSTATE HIGHWAY 280 AND STATE HIGHWAY 92, GO NORTHWEST ON AB7675'INTERSTATE 280 FOR 3.2 MI (5.1 KM) TO THE BLACK MOUNTAIN/HAYNE ROADS AB7675'OFF-RAMP. TAKE THE OFF-RAMP NORTHERLY FOR 0.2 MI (0.3 KM) TO THE AB7675'INTERSECTION WITH GOLF COURSE DRIVE. TURN LEFT AND GO WEST ON GOLF AB7675'COURSE DRIVE, PASSING UNDER INTERSTATE 280, FOR 0.15 MI (0.24 KM) TO AB7675'THE T-INTERSECTION WITH SKYLINE BLVD. TURN LEFT AND GO SOUTH ON AB7675'SKYLINE BLVD FOR 0.05 MI (0.08 KM) TO THE STATION ON THE RIGHT. THE AB7675'STATION IS A SURVEY DISK ENCASED IN PVC PIPE WITH ACCESS COVER SET IN AB7675'CONCRETE FLUSH WITH THE GROUND, ABOUT 316 FT (96.3 M) SOUTHWEST OF THE AB7675'WEST EDGE OF PAVEMENT OF SOUTH-BOUND INTERSTATE 280, ABOUT 284 FT AB7675'(86.6 M) SOUTHEAST OF THE INTERSECTION OF GOLF COURSE DRIVE AND AB7675'SKYLINE BLVD, 39.2 FT (11.9 M) NORTHWEST OF A 50-MILE PER HOUR SPEED AB7675'LIMIT SIGN, 34.4 FT (10.5 M) SOUTHWEST OF THE CENTERLINE OF SKYLINE AB7675'BLVD, 6.8 FT (2.1 M) NORTHEAST OF A 6 FT (1.8 M) HIGH 6 STRAND BARBED AB7675'WIRE FENCE AND LEVEL WITH SKYLINE BLVD. THE DISK IS 0.2 FT (0.1 M) AB7675'BELOW THE LID OF THE ACCESS COVER. THIS STATION WAS OCCUPIED AS PART AB7675'OF A CALIFORNIA HPGN DENSIFICATION SURVEY IN 1994. AB7675 AB7675 STATION RECOVERY (2003) AB7675 AB7675'RECOVERY NOTE BY GEOCACHING 2003 (CSM) AB7675'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 AB7680 *********************************************************************** AB7680 DESIGNATION - HPGN D CA 04 EH AB7680 PID - AB7680 AB7680 STATE/COUNTY- CA/SAN MATEO AB7680 USGS QUAD - WOODSIDE (1997) AB7680 AB7680 *CURRENT SURVEY CONTROL AB7680 ___________________________________________________________________ AB7680* NAD 83(1992)- 37 26 41.34755(N) 122 16 05.32650(W) ADJUSTED AB7680* NAVD 88 - 180.5 (meters) 592. (feet) GPS OBS AB7680 ___________________________________________________________________ AB7680 EPOCH DATE - 1991.35 AB7680 X - -2,706,916.002 (meters) COMP AB7680 Y - -4,287,192.905 (meters) COMP AB7680 Z - 3,856,793.532 (meters) COMP AB7680 LAPLACE CORR- -1.47 (seconds) DEFLEC99 AB7680 ELLIP HEIGHT- 148.06 (meters) (10/31/96) GPS OBS AB7680 GEOID HEIGHT- -32.47 (meters) GEOID99 AB7680 AB7680 HORZ ORDER - FIRST AB7680 ELLP ORDER - FOURTH CLASS I AB7680 AB7680.The horizontal coordinates were established by GPS observations AB7680.and adjusted by the National Geodetic Survey in October 1996. AB7680.The horizontal coordinates are valid at the epoch date displayed above. AB7680.The epoch date for horizontal control is a decimal equivalence AB7680.of Year/Month/Day. AB7680 AB7680.The orthometric height was determined by GPS observations and a AB7680.high-resolution geoid model. AB7680 AB7680.The X, Y, and Z were computed from the position and the ellipsoidal ht. AB7680 AB7680.The Laplace correction was computed from DEFLEC99 derived deflections. AB7680 AB7680.The ellipsoidal height was determined by GPS observations AB7680.and is referenced to NAD 83. AB7680 AB7680.The geoid height was determined by GEOID99. AB7680 AB7680; North East Units Scale Converg. AB7680;SPC CA 3 - 606,334.577 1,843,554.067 MT 0.99994338 -1 04 57.1 AB7680;SPC CA 3 - 1,989,282.69 6,048,393.63 sFT 0.99994338 -1 04 57.1 AB7680;UTM 10 - 4,144,470.802 564,736.644 MT 0.99965162 +0 26 41.9 AB7680 AB7680 SUPERSEDED SURVEY CONTROL AB7680 AB7680.No superseded survey control is available for this station. AB7680 AB7680_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG6473744471(NAD 83) AB7680_MARKER: DD = SURVEY DISK AB7680_SETTING: 50 = ALUMINUM ALLOY ROD W/O SLEEVE (10 FT.+) AB7680_STAMPING: CA-HPGN-DENSIFICATION STA. 04-EH 1994 AB7680_MARK LOGO: CADT AB7680_PROJECTION: FLUSH AB7680_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET AB7680_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AB7680_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AB7680+SATELLITE: SATELLITE OBSERVATIONS - May 07, 2003 AB7680_ROD/PIPE-DEPTH: 7.3 meters AB7680 AB7680 HISTORY - Date Condition Report By AB7680 HISTORY - 1994 MONUMENTED CADT AB7680 HISTORY - 20030507 GOOD GEOCAC AB7680 AB7680 STATION DESCRIPTION AB7680 AB7680'DESCRIBED BY CALTRANS 1994 (DAN) AB7680'THE STATION IS LOCATED ON THE CAMPUS OF CANADA COLLEGE IN WOODSIDE, AB7680'ABOUT 9 MI (14.5 KM) SOUTH OF SAN MATEO AND 6 MI (9.7 KM) WEST OF PALO AB7680'ALTO. TO REACH THE STATION FROM THE JUNCTION OF INTERSTATE HIGHWAY AB7680'280 AND STATE HIGHWAY 84 IN WOODSIDE, GO WEST ON HIGHWAY 84, ALSO AB7680'KNOWN AS WOODSIDE ROAD, FOR 0.8 MI (1.3 KM) TO THE INTERSECTION WITH AB7680'CANADA ROAD ON THE RIGHT AND MOUNTAIN HOME ROAD ON THE LEFT. TURN AB7680'RIGHT AND GO NORTHWEST ON CANADA ROAD, CROSSING UNDER INTERSTATE 280, AB7680'FOR 1.4 MI (2.3 KM) TO A SIDE ROAD RIGHT, THE WEST ENTRANCE TO CANADA AB7680'COLLEGE. TURN RIGHT AND GO NORTHEAST ON THE ENTRANCE ROAD FOR 0.15 MI AB7680'(0.24 KM) TO THE T-INTERSECTION WITH A CAMPUS ROAD. TURN RIGHT AND GO AB7680'SOUTHEAST, SOUTH AND EAST ON THE CAMPUS ROAD FOR 0.15 MI (0.24 KM) TO AB7680'THE STATION ON THE RIGHT NEAR THE EAST END OF A SHARP CURVE TO THE AB7680'LEFT. THE STATION IS A SURVEY DISK ENCASED IN PVC PIPE WITH ACCESS AB7680'COVER SET IN CONCRETE FLUSH WITH THE GROUND, ABOUT 525 FT (160.0 M) AB7680'SOUTHWEST OF THE SOUTHWEST CORNER OF THE LOWEST PAVED PARKING LOT AB7680'SOUTHWEST OF THE GYMNASIUM, 36.0 FT (11.0 M) SOUTHEAST OF AND ACROSS AB7680'THE ENTRANCE ROAD FROM THE CENTER OF A 3 FT (0.9 M) BY 4 FT (1.2 M) AB7680'DRAINAGE INLET, 24.0 FT (7.3 M) SOUTHEAST OF THE CENTERLINE OF THE AB7680'CAMPUS ROAD, 10.0 FT (3.0 M) NORTHEAST OF A 6 FT (1.8 M) HIGH CHAIN AB7680'LINK RIGHT-OF-WAY FENCE AND LEVEL WITH THE EDGE OF PAVEMENT. THE DISK AB7680'IS 0.5 FT (0.2 M) BELOW THE LID OF THE ACCESS COVER. THIS STATION WAS AB7680'OCCUPIED AS PART OF A CALIFORNIA HPGN DENSIFICATION SURVEY IN 1994. AB7680 AB7680 STATION RECOVERY (2003) AB7680 AB7680'RECOVERY NOTE BY GEOCACHING 2003 (CSM) AB7680'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT0485 *********************************************************************** HT0485 DESIGNATION - J 386 HT0485 PID - HT0485 HT0485 STATE/COUNTY- CA/SAN MATEO HT0485 USGS QUAD - SAN MATEO (1997) HT0485 HT0485 *CURRENT SURVEY CONTROL HT0485 ___________________________________________________________________ HT0485* NAD 83(1986)- 37 33 09. (N) 122 20 23. (W) SCALED HT0485* NAVD 88 - 23.63 (+/-2cm) 77.5 (feet) VERTCON HT0485 ___________________________________________________________________ HT0485 GEOID HEIGHT- -32.51 (meters) GEOID99 HT0485 HT0485 VERT ORDER - FIRST CLASS II (See Below) HT0485 HT0485.The horizontal coordinates were scaled from a topographic map and have HT0485.an estimated accuracy of +/- 6 seconds. HT0485 HT0485.The NAVD 88 height was computed by applying the VERTCON shift value to HT0485.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT0485.The vertical order pertains to the superseded datum. HT0485 HT0485.The geoid height was determined by GEOID99. HT0485 HT0485; North East Units Estimated Accuracy HT0485;SPC CA 3 - 618,410. 1,837,460. MT (+/- 180 meters Scaled) HT0485 HT0485 SUPERSEDED SURVEY CONTROL HT0485 HT0485 NGVD 29 - 22.785 (m) 74.75 (f) ADJ UNCH 1 2 HT0485 HT0485.Superseded values are not recommended for survey control. HT0485.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT0485.See file dsdata.txt to determine how the superseded data were derived. HT0485 HT0485_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG583563(NAD 83) HT0485_MARKER: DB = BENCH MARK DISK HT0485_SETTING: 36 = BRIDGE HT0485_STAMPING: J 386 1936 HT0485_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HT0485 HT0485 HISTORY - Date Condition Report By HT0485 HISTORY - 1936 MONUMENTED CGS HT0485 HISTORY - 1960 GOOD NGS HT0485 HISTORY - 1967 GOOD NGS HT0485 HISTORY - 20030810 GOOD GEOCAC HT0485 HT0485 STATION DESCRIPTION HT0485 HT0485'DESCRIBED BY NATIONAL GEODETIC SURVEY 1960 HT0485'1.3 MI SW FROM SAN MATEO. HT0485'ABOUT 0.7 MILE SOUTHWEST ALONG THIRD AVENUE FROM THE SOUTHERN HT0485'PACIFIC STATION AT SAN MATEO, THENCE 0.6 MILE SOUTHWEST ALONG HT0485'CRYSTAL SPRINGS ROAD, AT THE INTERSECTION OF EL CERRITO AVENUE, HT0485'IN THE CENTER OF THE TOP OF THE WEST WING WALL OF A CONCRETE BRIDGE HT0485'OVER SAN MATEO CREEK, 15 FEET NORTHWEST OF THE CENTER LINE OF HT0485'THE HIGHWAY AND ABOUT LEVEL WITH THE HIGHWAY. HT0485 HT0485 STATION RECOVERY (1967) HT0485 HT0485'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 HT0485'RECOVERED IN GOOD CONDITION. HT0485 HT0485 STATION RECOVERY (2003) HT0485 HT0485'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT0485'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT1319 *********************************************************************** HT1319 DESIGNATION - K 875 CASLC HT1319 PID - HT1319 HT1319 STATE/COUNTY- CA/SAN MATEO HT1319 USGS QUAD - PALO ALTO (1997) HT1319 HT1319 *CURRENT SURVEY CONTROL HT1319 ___________________________________________________________________ HT1319* NAD 83(1986)- 37 29 12. (N) 122 13 48. (W) SCALED HT1319* NAVD 88 - 4.43 (+/-2cm) 14.5 (feet) VERTCON HT1319 ___________________________________________________________________ HT1319 GEOID HEIGHT- -32.51 (meters) GEOID99 HT1319 HT1319 VERT ORDER - FIRST CLASS II (See Below) HT1319 HT1319.The horizontal coordinates were scaled from a topographic map and have HT1319.an estimated accuracy of +/- 6 seconds. HT1319 HT1319.The NAVD 88 height was computed by applying the VERTCON shift value to HT1319.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT1319.The vertical order pertains to the superseded datum. HT1319 HT1319.The geoid height was determined by GEOID99. HT1319 HT1319; North East Units Estimated Accuracy HT1319;SPC CA 3 - 610,920. 1,847,020. MT (+/- 180 meters Scaled) HT1319 HT1319 SUPERSEDED SURVEY CONTROL HT1319 HT1319 NGVD 29 - 3.594 (m) 11.79 (f) ADJ UNCH 1 2 HT1319 HT1319.Superseded values are not recommended for survey control. HT1319.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT1319.See file dsdata.txt to determine how the superseded data were derived. HT1319 HT1319_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG680491(NAD 83) HT1319_MARKER: DD = SURVEY DISK HT1319_SETTING: 36 = BUILDING HT1319_STAMPING: K 875 1954 HT1319_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HT1319 HT1319 HISTORY - Date Condition Report By HT1319 HISTORY - 1954 MONUMENTED CASLC HT1319 HISTORY - 1958 GOOD NGS HT1319 HISTORY - 1967 GOOD NGS HT1319 HISTORY - 1976 GOOD NGS HT1319 HISTORY - 20030706 GOOD GEOCAC HT1319 HT1319 STATION DESCRIPTION HT1319 HT1319'DESCRIBED BY NATIONAL GEODETIC SURVEY 1958 HT1319'AT REDWOOD CITY. HT1319'AT REDWOOD CITY, SAN MATEO COUNTY, AT THE INTERSECTION OF HT1319'HAMILTON STREET AND BROADWAY, AT THE COUNTY COURT HOUSE, IN THE HT1319'SOUTH CONCRETE WALL, 1.7 FEET EAST OF THE SOUTHWEST CORNER, AND HT1319'1.8 FOOT ABOVE THE GROUND. A STANDARD DISK, STAMPED K 875 1954 HT1319'AND SET VERTICALLY. HT1319 HT1319 STATION RECOVERY (1967) HT1319 HT1319'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 HT1319'RECOVERED IN GOOD CONDITION. HT1319 HT1319 STATION RECOVERY (1976) HT1319 HT1319'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 HT1319'AT REDWOOD CITY, AT THE NORTHEAST CORNER OF THE INTERSECTION OF HT1319'HAMILTON STREET AND BROADWAY, AT THE COUNTY COURT HOUSE, VERTICALLY IN HT1319'THE SOUTH FACE OF THE SOUTHEAST CORNER OF THE BUILDING, 1.7 FT EAST HT1319'OF THE SOUTHWEST CORNER. HT1319 HT1319 STATION RECOVERY (2003) HT1319 HT1319'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT1319'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT1678 *********************************************************************** HT1678 DESIGNATION - N 1121 HT1678 PID - HT1678 HT1678 STATE/COUNTY- CA/SAN MATEO HT1678 USGS QUAD - WOODSIDE (1997) HT1678 HT1678 *CURRENT SURVEY CONTROL HT1678 ___________________________________________________________________ HT1678* NAD 83(1986)- 37 25 42. (N) 122 15 26. (W) SCALED HT1678* NAVD 88 - 116.02 (+/-2cm) 380.6 (feet) VERTCON HT1678 ___________________________________________________________________ HT1678 GEOID HEIGHT- -32.47 (meters) GEOID99 HT1678 HT1678 VERT ORDER - FIRST CLASS II (See Below) HT1678 HT1678.The horizontal coordinates were scaled from a topographic map and have HT1678.an estimated accuracy of +/- 6 seconds. HT1678 HT1678.The NAVD 88 height was computed by applying the VERTCON shift value to HT1678.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT1678.The vertical order pertains to the superseded datum. HT1678 HT1678.The geoid height was determined by GEOID99. HT1678 HT1678; North East Units Estimated Accuracy HT1678;SPC CA 3 - 604,490. 1,844,490. MT (+/- 180 meters Scaled) HT1678 HT1678 SUPERSEDED SURVEY CONTROL HT1678 HT1678 NGVD 29 - 115.147 (m) 377.78 (f) ADJ UNCH 1 2 HT1678 HT1678.Superseded values are not recommended for survey control. HT1678.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT1678.See file dsdata.txt to determine how the superseded data were derived. HT1678 HT1678_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG657426(NAD 83) HT1678_MARKER: DB = BENCH MARK DISK HT1678_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HT1678_STAMPING: N 1121 1960 HT1678_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HT1678+STABILITY: SURFACE MOTION HT1678 HT1678 HISTORY - Date Condition Report By HT1678 HISTORY - 1960 MONUMENTED CGS HT1678 HISTORY - 1967 GOOD NGS HT1678 HISTORY - 20030713 GOOD GEOCAC HT1678 HT1678 STATION DESCRIPTION HT1678 HT1678'DESCRIBED BY COAST AND GEODETIC SURVEY 1960 HT1678'AT WOODSIDE. HT1678'AT WOODSIDE, 0.1 MILE NORTHEAST ALONG WOODSIDE ROAD FROM THE HT1678'WOODSIDE SCHOOL, NEAR THE WOODSIDE FIRE DEPARTMENT, 105.8 FEET HT1678'NORTHEAST OF BENCH MARK W 151, 25 FEET SOUTHEAST OF THE CENTER HT1678'LINE OF THE ROAD, 97 FEET SOUTHWEST OF A POINT IN LINE WITH THE HT1678'CENTER OF THE MIDDLE GARAGE DOOR FOR THE STATION, 50 FEET HT1678'SOUTHEAST AND ACROSS THE ROAD FROM POWER POLE 7 SUPPORTING A HT1678'TRANSFORMER, 8 FEET NORTHEAST OF THE EXTENDED CENTER LINE OF A HT1678'DRIVEWAY NORTHWEST, 3.6 FEET NORTHWEST OF A FENCE, 1.0 FOOT HT1678'SOUTHEAST OF A GUY POLE WITH A GUY WIRE, 1.8 FEET NORTHEAST OF A HT1678'WITNESS POST, ABOUT LEVEL WITH THE ROAD, A DISK ON THE TOP OF A HT1678'5/8-INCH COPPER COATED ROD DRIVEN TO SUDDEN REFUSAL AT A DEPTH HT1678'OF 16 FEET. THE UPPER PORTION OF THE ROD IS ENCASED IN A HT1678'CONCRETE POST PROJECTING 0.3 FOOT ABOVE THE GROUND. HT1678 HT1678 STATION RECOVERY (1967) HT1678 HT1678'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 HT1678'RECOVERED IN GOOD CONDITION. HT1678 HT1678 STATION RECOVERY (2003) HT1678 HT1678'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT1678'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT0496 *********************************************************************** HT0496 DESIGNATION - P 386 HT0496 PID - HT0496 HT0496 STATE/COUNTY- CA/SAN MATEO HT0496 USGS QUAD - SAN MATEO (1997) HT0496 HT0496 *CURRENT SURVEY CONTROL HT0496 ___________________________________________________________________ HT0496* NAD 83(1986)- 37 31 47. (N) 122 21 45. (W) SCALED HT0496* NAVD 88 - 93.15 (+/-2cm) 305.6 (feet) VERTCON HT0496 ___________________________________________________________________ HT0496 GEOID HEIGHT- -32.51 (meters) GEOID99 HT0496 HT0496 VERT ORDER - FIRST CLASS II (See Below) HT0496 HT0496.The horizontal coordinates were scaled from a topographic map and have HT0496.an estimated accuracy of +/- 6 seconds. HT0496 HT0496.The NAVD 88 height was computed by applying the VERTCON shift value to HT0496.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT0496.The vertical order pertains to the superseded datum. HT0496 HT0496.The geoid height was determined by GEOID99. HT0496 HT0496; North East Units Estimated Accuracy HT0496;SPC CA 3 - 615,920. 1,835,390. MT (+/- 180 meters Scaled) HT0496 HT0496 SUPERSEDED SURVEY CONTROL HT0496 HT0496 NGVD 29 - 92.288 (m) 302.78 (f) ADJ UNCH 1 2 HT0496 HT0496.Superseded values are not recommended for survey control. HT0496.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT0496.See file dsdata.txt to determine how the superseded data were derived. HT0496 HT0496_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG563538(NAD 83) HT0496_MARKER: DB = BENCH MARK DISK HT0496_SETTING: 36 = BRIDGE WHEEL GUARD HT0496_STAMPING: P 386 1936 HT0496_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HT0496 HT0496 HISTORY - Date Condition Report By HT0496 HISTORY - 1936 MONUMENTED CGS HT0496 HISTORY - 1973 GOOD NGS HT0496 HISTORY - 20030706 GOOD GEOCAC HT0496 HT0496 STATION DESCRIPTION HT0496 HT0496'DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 HT0496'4 MI SW FROM SAN MATEO. HT0496'ABOUT 0.7 MILE SOUTHWEST ALONG THIRD AVENUE FROM THE SOUTHERN HT0496'PACIFIC COMPANY RAILROAD STATION AT SAN MATEO, THENCE 3.2 MILES HT0496'SOUTHWEST ALONG CRYSTAL SPRINGS ROAD, THENCE 0.1 MILE SOUTH ALONG HT0496'SKYLINE BOULEVARD, IN THE TOP OF THE NORTH END OF THE WEST HT0496'CONCRETE WHEEL GUARD OF BRIDGE 35-05 OVER CRYSTAL SPRINGS DAM, HT0496'15.6 FEET WEST OF THE CENTER LINE OF THE ROAD, 2.7 FEET SOUTH HT0496'OF THE NORTH END OF THE WEST BARRIER RAIL AND 1/2 FOOT HIGHER HT0496'THAN THE ROAD. NOTE-- A ROD CAN NOT BE HELD ON THE MARK AS THE HT0496'BARRIER RAIL IS DIRECTLY OVER IT. HT0496 HT0496 STATION RECOVERY (2003) HT0496 HT0496'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT0496'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT0497 *********************************************************************** HT0497 DESIGNATION - P 386 RESET 1970 HT0497 PID - HT0497 HT0497 STATE/COUNTY- CA/SAN MATEO HT0497 USGS QUAD - SAN MATEO (1997) HT0497 HT0497 *CURRENT SURVEY CONTROL HT0497 ___________________________________________________________________ HT0497* NAD 83(1986)- 37 31 47. (N) 122 21 46. (W) SCALED HT0497* NAVD 88 - 93.14 (+/-2cm) 305.6 (feet) VERTCON HT0497 ___________________________________________________________________ HT0497 GEOID HEIGHT- -32.51 (meters) GEOID99 HT0497 HT0497 VERT ORDER - THIRD (See Below) HT0497 HT0497.The horizontal coordinates were scaled from a topographic map and have HT0497.an estimated accuracy of +/- 6 seconds. HT0497 HT0497.The NAVD 88 height was computed by applying the VERTCON shift value to HT0497.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT0497.The vertical order pertains to the superseded datum. HT0497 HT0497.The geoid height was determined by GEOID99. HT0497 HT0497; North East Units Estimated Accuracy HT0497;SPC CA 3 - 615,920. 1,835,370. MT (+/- 180 meters Scaled) HT0497 HT0497 SUPERSEDED SURVEY CONTROL HT0497 HT0497 NGVD 29 - 92.28 (m) 302.8 (f) RESET 3 HT0497 HT0497.Superseded values are not recommended for survey control. HT0497.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT0497.See file dsdata.txt to determine how the superseded data were derived. HT0497 HT0497_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG563538(NAD 83) HT0497_MARKER: DB = BENCH MARK DISK HT0497_SETTING: 36 = BRIDGE WHEEL GUARD HT0497_STAMPING: P 386 RESET 1970 HT0497_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HT0497 HT0497 HISTORY - Date Condition Report By HT0497 HISTORY - 1970 MONUMENTED CADH HT0497 HISTORY - 1973 GOOD NGS HT0497 HISTORY - 20030706 GOOD GEOCAC HT0497 HT0497 STATION DESCRIPTION HT0497 HT0497'DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 HT0497'4 MI SW FROM SAN MATEO. HT0497'ABOUT 0.7 MILE SOUTHWEST ALONG THIRD AVENUE FROM THE SOUTHERN HT0497'PACIFIC COMPANY RAILROAD STATION AT SAN MATEO, THENCE 3.2 MILES HT0497'SOUTHWEST ALONG CRYSTAL SPRINGS ROAD, THENCE 0.1 MILE SOUTH ALONG HT0497'SKYLINE BOULEVARD, IN THE TOP OF THE NORTH END OF THE WEST HT0497'CONCRETE WHEEL GUARD OF BRIDGE 35-05 OVER CRYSTAL SPRINGS DAM, HT0497'16.3 FEET WEST OF THE CENTER LINE OF THE ROAD, 4.0 FEET SOUTH OF HT0497'THE NORTH END OF THE WEST BARRIER RAIL, 1.5 FEET SOUTHWEST OF HT0497'BENCH MARK P 386 AND 1/2 FOOT HIGHER THAN THE ROAD. HT0497 HT0497 STATION RECOVERY (2003) HT0497 HT0497'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT0497'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT0501 *********************************************************************** HT0501 DESIGNATION - R 386 HT0501 PID - HT0501 HT0501 STATE/COUNTY- CA/SAN MATEO HT0501 USGS QUAD - SAN MATEO (1997) HT0501 HT0501 *CURRENT SURVEY CONTROL HT0501 ___________________________________________________________________ HT0501* NAD 83(1986)- 37 31 01. (N) 122 21 16. (W) SCALED HT0501* NAVD 88 - 104.40 (+/-2cm) 342.5 (feet) VERTCON HT0501 ___________________________________________________________________ HT0501 GEOID HEIGHT- -32.51 (meters) GEOID99 HT0501 HT0501 VERT ORDER - FIRST CLASS II (See Below) HT0501 HT0501.The horizontal coordinates were scaled from a topographic map and have HT0501.an estimated accuracy of +/- 6 seconds. HT0501 HT0501.The NAVD 88 height was computed by applying the VERTCON shift value to HT0501.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT0501.The vertical order pertains to the superseded datum. HT0501 HT0501.The geoid height was determined by GEOID99. HT0501 HT0501; North East Units Estimated Accuracy HT0501;SPC CA 3 - 614,490. 1,836,080. MT (+/- 180 meters Scaled) HT0501 HT0501 SUPERSEDED SURVEY CONTROL HT0501 HT0501 NGVD 29 - 103.533 (m) 339.67 (f) ADJ UNCH 1 2 HT0501 HT0501.Superseded values are not recommended for survey control. HT0501.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT0501.See file dsdata.txt to determine how the superseded data were derived. HT0501 HT0501_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG570524(NAD 83) HT0501_MARKER: DB = BENCH MARK DISK HT0501_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HT0501_STAMPING: R 386 1936 HT0501_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HT0501+STABILITY: SURFACE MOTION HT0501_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HT0501+SATELLITE: SATELLITE OBSERVATIONS - August 09, 2003 HT0501 HT0501 HISTORY - Date Condition Report By HT0501 HISTORY - 1936 MONUMENTED CGS HT0501 HISTORY - 1960 GOOD NGS HT0501 HISTORY - 1967 GOOD NGS HT0501 HISTORY - 20030809 GOOD GEOCAC HT0501 HT0501 STATION DESCRIPTION HT0501 HT0501'DESCRIBED BY NATIONAL GEODETIC SURVEY 1960 HT0501'5 MI SW FROM SAN MATEO. HT0501'ABOUT 0.7 MILE SOUTHWEST ALONG THIRD AVENUE FROM THE SOUTHERN HT0501'PACIFIC STATION AT SAN MATEO, THENCE 3.2 MILES SOUTHWEST ALONG HT0501'CRYSTAL SPRINGS ROAD, THENCE 1.1 MILES SOUTH ALONG SKYLINE HT0501'BOULEVARD, ABOUT ONE POLE NORTH OF CULVERT B-2.49, 40 FEET HT0501'SOUTHWEST OF THE CENTER LINE OF THE HIGHWAY, 30 FEET SOUTH OF A HT0501'POWER POLE, 15 FEET SOUTHEAST OF THE SOUTHEAST END OF A STEEL GATE, HT0501'1.3 FEET NORTHEAST OF A FENCE, 1.5 FEET SOUTHWEST OF A WITNESS HT0501'POST, ABOUT LEVEL WITH THE ROAD AND IN THE TOP OF A CONCRETE POST HT0501'PROJECTING 0.6 FOOT. HT0501 HT0501 STATION RECOVERY (1967) HT0501 HT0501'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 HT0501'RECOVERED IN GOOD CONDITION. HT0501 HT0501 STATION RECOVERY (2003) HT0501 HT0501'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT0501'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT3328 *********************************************************************** HT3328 DESIGNATION - REDWOOD CITY COMMUNITY CROSS HT3328 PID - HT3328 HT3328 STATE/COUNTY- CA/SAN MATEO HT3328 USGS QUAD - WOODSIDE (1997) HT3328 HT3328 *CURRENT SURVEY CONTROL HT3328 ___________________________________________________________________ HT3328* NAD 83(1992)- 37 27 24.84082(N) 122 16 19.43184(W) ADJUSTED HT3328* NAVD 88 - HT3328 ___________________________________________________________________ HT3328 EPOCH DATE - 1991.35 HT3328 LAPLACE CORR- -1.21 (seconds) DEFLEC99 HT3328 GEOID HEIGHT- -32.47 (meters) GEOID99 HT3328 HT3328 HORZ ORDER - THIRD HT3328 HT3328.The horizontal coordinates were established by classical geodetic methods HT3328.and adjusted by the National Geodetic Survey in March 1994. HT3328.The horizontal coordinates are valid at the epoch date displayed above. HT3328.The epoch date for horizontal control is a decimal equivalence HT3328.of Year/Month/Day. HT3328 HT3328 HT3328.The Laplace correction was computed from DEFLEC99 derived deflections. HT3328 HT3328.The geoid height was determined by GEOID99. HT3328 HT3328; North East Units Scale Converg. HT3328;SPC CA 3 - 607,681.692 1,843,232.816 MT 0.99994229 -1 05 05.7 HT3328;SPC CA 3 - 1,993,702.35 6,047,339.66 sFT 0.99994229 -1 05 05.7 HT3328;UTM 10 - 4,145,808.484 564,379.701 MT 0.99965105 +0 26 33.8 HT3328 HT3328 SUPERSEDED SURVEY CONTROL HT3328 HT3328 NAD 83(1986)- 37 27 24.83620(N) 122 16 19.42791(W) AD(1984.00) 4 HT3328 NAD 27 - 37 27 25.03800(N) 122 16 15.56500(W) AD( ) 3 HT3328 HT3328.Superseded values are not recommended for survey control. HT3328.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT3328.See file dsdata.txt to determine how the superseded data were derived. HT3328 HT3328_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG6438045808(NAD 83) HT3328_MARKER: 91 = CHURCH CROSS HT3328_SETTING: 0 = UNSPECIFIED SETTING HT3328_MAGNETIC: N = NO MAGNETIC MATERIAL HT3328_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HT3328+SATELLITE: SATELLITE OBSERVATIONS - June 16, 2003 HT3328 HT3328 HISTORY - Date Condition Report By HT3328 HISTORY - 1931 FIRST OBSERVED CGS HT3328 HISTORY - 1958 SEE DESCRIPTION CGS HT3328 HISTORY - 1960 SEE DESCRIPTION CGS HT3328 HISTORY - 1963 SEE DESCRIPTION CGS HT3328 HISTORY - 1975 GOOD NGS HT3328 HISTORY - 1982 GOOD NOS HT3328 HISTORY - 1985 GOOD USPSQD HT3328 HISTORY - 20030616 GOOD GEOCAC HT3328 HT3328 STATION DESCRIPTION HT3328 HT3328'DESCRIBED BY COAST AND GEODETIC SURVEY 1931 (GCJ) HT3328'THIS INTERSECTION STATION IS A LARGE WHITE CROSS ON HILLTOP HT3328'BACK OF REDWOOD CITY. HT3328 HT3328 STATION RECOVERY (1958) HT3328 HT3328'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (JCM) HT3328'THE STATION WAS RECOVERED IN FAIR CONDITION. IT IS IN NEED HT3328'OF PAINT AND HAS SEVERAL LARGE HOLES IN ITS COVERING. HT3328' HT3328'THE STATION IS LOCATED ABOUT 180 FT. W OF TRIANGULATION HT3328'STATION CANADA 1957, ON THE HIGHEST PART OF A GRASSY HILL HT3328'WITH SOME SCATTERED TREES. IT IS A GUYED, SHEET-METAL COVERED HT3328'CROSS, ABOUT 60 FT. HIGH, SET INSIDE A FENCED ENCLOSURE AND HT3328'JUST W OF A WOODEN TANK THAT IS ABOUT 20 FT. HIGH. HT3328' HT3328'THIS IS AN INTERSECTION STATION. HT3328 HT3328 STATION RECOVERY (1960) HT3328 HT3328'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (JCS) HT3328'STATION RECOVERED AS DESCRIBED. HT3328 HT3328 STATION RECOVERY (1963) HT3328 HT3328'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1963 (IRR) HT3328'THE CROSS WAS BURNED DOWN BY VANDALS IN 1960. IN 1962 A HT3328'NEW CROSS WAS CONSTRUCTED AND CENTERED WITHIN THE OLD FOUNDATION HT3328'POSTS SO AS TO HOLD THE ORIGINAL POSITION. THE NEW CROSS HT3328'WAS BUILT OF PRE-CAST CONCRETE SECTIONS, 6 FEET SQUARE IN HT3328'CROSS SECTION, AND IS 70 FEET HIGH WITH A 27-FOOT-WIDE CROSS HT3328'ARM. HT3328 HT3328 STATION RECOVERY (1975) HT3328 HT3328'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1975 (RDM) HT3328'RECOVERED STATION AS PREVIOUSLY DESCRIBED. HT3328' HT3328'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN HT3328'3 MILES SOUTHWEST. HT3328 HT3328 STATION RECOVERY (1982) HT3328 HT3328'RECOVERY NOTE BY NATIONAL OCEAN SERVICE 1982 (MEF) HT3328'RECOVERED AS DESCRIBED HT3328 HT3328 STATION RECOVERY (1985) HT3328 HT3328'RECOVERY NOTE BY US POWER SQUADRON 1985 (RJS) HT3328'RECOVERED IN GOOD CONDITION. HT3328 HT3328 STATION RECOVERY (2003) HT3328 HT3328'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT3328'THE CROSS IS OFTEN ILLUMINATED AT NIGHT HT3328' 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT3260 *********************************************************************** HT3260 DESIGNATION - REDWOOD CITY COURTHOUSE DOME HT3260 PID - HT3260 HT3260 STATE/COUNTY- CA/SAN MATEO HT3260 USGS QUAD - PALO ALTO (1997) HT3260 HT3260 *CURRENT SURVEY CONTROL HT3260 ___________________________________________________________________ HT3260* NAD 83(1992)- 37 29 13.16947(N) 122 13 46.75031(W) ADJUSTED HT3260* NAVD 88 - HT3260 ___________________________________________________________________ HT3260 EPOCH DATE - 1991.35 HT3260 LAPLACE CORR- -0.95 (seconds) DEFLEC99 HT3260 GEOID HEIGHT- -32.51 (meters) GEOID99 HT3260 HT3260 HORZ ORDER - THIRD HT3260 HT3260.The horizontal coordinates were established by classical geodetic methods HT3260.and adjusted by the National Geodetic Survey in March 1994. HT3260.The horizontal coordinates are valid at the epoch date displayed above. HT3260.The epoch date for horizontal control is a decimal equivalence HT3260.of Year/Month/Day. HT3260 HT3260 HT3260.The Laplace correction was computed from DEFLEC99 derived deflections. HT3260 HT3260.The geoid height was determined by GEOID99. HT3260 HT3260; North East Units Scale Converg. HT3260;SPC CA 3 - 610,950.457 1,847,046.074 MT 0.99993974 -1 03 32.2 HT3260;SPC CA 3 - 2,004,426.62 6,059,850.33 sFT 0.99993974 -1 03 32.2 HT3260;UTM 10 - 4,149,176.783 568,103.388 MT 0.99965713 +0 28 07.8 HT3260 HT3260 SUPERSEDED SURVEY CONTROL HT3260 HT3260 NAD 83(1986)- 37 29 13.16522(N) 122 13 46.74627(W) AD(1984.00) 4 HT3260 NAD 27 - 37 29 13.40000(N) 122 13 42.86000(W) AD( ) 3 HT3260 HT3260.Superseded values are not recommended for survey control. HT3260.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT3260.See file dsdata.txt to determine how the superseded data were derived. HT3260 HT3260_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG6810349177(NAD 83) HT3260_MARKER: 87 = DOME HT3260_SETTING: 0 = UNSPECIFIED SETTING HT3260_MAGNETIC: N = NO MAGNETIC MATERIAL HT3260_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HT3260+SATELLITE: SATELLITE OBSERVATIONS - April 09, 2003 HT3260 HT3260 HISTORY - Date Condition Report By HT3260 HISTORY - 1931 FIRST OBSERVED CGS HT3260 HISTORY - 1944 SEE DESCRIPTION CGS HT3260 HISTORY - 1953 SEE DESCRIPTION CGS HT3260 HISTORY - 1958 SEE DESCRIPTION CGS HT3260 HISTORY - 1960 SEE DESCRIPTION CGS HT3260 HISTORY - 1967 SEE DESCRIPTION CGS HT3260 HISTORY - 1976 GOOD NGS HT3260 HISTORY - 1982 GOOD USCG HT3260 HISTORY - 1985 GOOD USPSQD HT3260 HISTORY - 20030409 GOOD GEOCAC HT3260 HT3260 STATION DESCRIPTION HT3260 HT3260'DESCRIBED BY COAST AND GEODETIC SURVEY 1931 (GCJ) HT3260'THIS IS AN INTERSECTION STATION. NO FURTHER DESCRIPTION HT3260'NEEDED. HT3260 HT3260 STATION RECOVERY (1944) HT3260 HT3260'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1944 (EHP) HT3260'RECOVERED AS DESCRIBED. HT3260 HT3260 STATION RECOVERY (1953) HT3260 HT3260'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1953 (FAR) HT3260'THE STATION IS THE CENTER OF A BALL OVER A CUPOLA ATOP THE HT3260'SAN MATEO COUNTY COURTHOUSE IN REDWOOD CITY, IN THE CENTER HT3260'OF THE BLOCK FORMED BY MIDDLEFIELD ROAD, MARSHALL STREET, HT3260'BROADWAY AND HAMILTON STREET. HT3260 HT3260 STATION RECOVERY (1958) HT3260 HT3260'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1958 (JCM) HT3260'THE STATION WAS RECOVERED IN GOOD CONDITION AND THE 1953 HT3260'DESCRIPTION IS ADEQUTE. HT3260' HT3260'THIS IS AN INTERSECTION STATION. HT3260 HT3260 STATION RECOVERY (1960) HT3260 HT3260'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 (WTJ) HT3260'RECOVERED AS DESCRIBED IN GOOD CONDITION. HT3260 HT3260 STATION RECOVERY (1967) HT3260 HT3260'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1967 (EHS) HT3260'THE STATION WAS RECOVERED IN GOOD CONDITION AND THE 1953 HT3260'DESCRIPTION IS ADEQUATE. HT3260' HT3260'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--AT REDWOOD HT3260'CITY HT3260 HT3260 STATION RECOVERY (1976) HT3260 HT3260'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 (CA) HT3260'RECOVERED IN GOOD CONDITION AS DESCRIBED. HT3260' HT3260'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN HT3260'IN REDWOOD CITY. HT3260 HT3260 STATION RECOVERY (1982) HT3260 HT3260'RECOVERY NOTE BY US COAST GUARD 1982 (MEF) HT3260'RECOVERED HT3260 HT3260 STATION RECOVERY (1985) HT3260 HT3260'RECOVERY NOTE BY US POWER SQUADRON 1985 (RJS) HT3260'RECOVERED IN GOOD CONDITION. HT3260 HT3260 STATION RECOVERY (2003) HT3260 HT3260'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT3260'THE BUILDING NOW HOUSES THE COUNTY HISTORICAL MUSEUM AND IS CALLED THE HT3260'OLD COURT HOUSE. 1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 HT1677 *********************************************************************** HT1677 DESIGNATION - W 151 HT1677 PID - HT1677 HT1677 STATE/COUNTY- CA/SAN MATEO HT1677 USGS QUAD - WOODSIDE (1997) HT1677 HT1677 *CURRENT SURVEY CONTROL HT1677 ___________________________________________________________________ HT1677* NAD 83(1986)- 37 25 42. (N) 122 15 31. (W) SCALED HT1677* NAVD 88 - 116.36 (+/-2cm) 381.8 (feet) VERTCON HT1677 ___________________________________________________________________ HT1677 GEOID HEIGHT- -32.47 (meters) GEOID99 HT1677 HT1677 VERT ORDER - FIRST CLASS II (See Below) HT1677 HT1677.The horizontal coordinates were scaled from a topographic map and have HT1677.an estimated accuracy of +/- 6 seconds. HT1677 HT1677.The NAVD 88 height was computed by applying the VERTCON shift value to HT1677.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT1677.The vertical order pertains to the superseded datum. HT1677 HT1677.The geoid height was determined by GEOID99. HT1677 HT1677; North East Units Estimated Accuracy HT1677;SPC CA 3 - 604,490. 1,844,360. MT (+/- 180 meters Scaled) HT1677 HT1677 SUPERSEDED SURVEY CONTROL HT1677 HT1677 NGVD 29 - 115.492 (m) 378.91 (f) ADJ UNCH 1 2 HT1677 HT1677.Superseded values are not recommended for survey control. HT1677.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT1677.See file dsdata.txt to determine how the superseded data were derived. HT1677 HT1677_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG655426(NAD 83) HT1677_MARKER: DB = BENCH MARK DISK HT1677_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HT1677_STAMPING: W 151 1933 HT1677_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HT1677+STABILITY: SURFACE MOTION HT1677 HT1677 HISTORY - Date Condition Report By HT1677 HISTORY - 1933 MONUMENTED CGS HT1677 HISTORY - 1960 GOOD NGS HT1677 HISTORY - 1967 GOOD NGS HT1677 HISTORY - 20030713 GOOD GEOCAC HT1677 HT1677 STATION DESCRIPTION HT1677 HT1677'DESCRIBED BY NATIONAL GEODETIC SURVEY 1960 HT1677'AT WOODSIDE. HT1677'AT WOODSIDE, 0.1 MILE EAST ALONG WOODSIDE ROAD FROM WOODSIDE HT1677'SCHOOL, AT THE T-JUNCTION OF A PAVED DRIVEWAY LEADING SOUTH, HT1677'31.7 FEET EAST OF AND ACROSS THE DRIVEWAY FROM A FIRE PLUG, 26.5 HT1677'FEET SOUTH OF THE CENTERLINE OF THE ROAD, 14.0 FEET NORTH OF A HT1677'16-INCH LEANING PINE TREE, 11.5 FEET EAST OF THE CENTERLINE OF HT1677'THE DRIVEWAY, 1.7 FEET NORTH OF AN IRON FENCE POST AT THE WEST HT1677'END OF A FENCE, 1.5 FEET WEST OF A WITNESS POST, ABOUT LEVEL WITH HT1677'THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 HT1677'FOOT ABOVE THE GROUND. HT1677 HT1677 STATION RECOVERY (1967) HT1677 HT1677'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1967 HT1677'RECOVERED IN GOOD CONDITION. HT1677 HT1677 STATION RECOVERY (2003) HT1677 HT1677'RECOVERY NOTE BY GEOCACHING 2003 (CSM) HT1677'RECOVERED IN GOOD CONDITION.