1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 HT0235 *********************************************************************** HT0235 DESIGNATION - E 738 RESET HT0235 PID - HT0235 HT0235 STATE/COUNTY- CA/ALAMEDA HT0235 USGS QUAD - HAYWARD (1993) HT0235 HT0235 *CURRENT SURVEY CONTROL HT0235 ___________________________________________________________________ HT0235* NAD 83(1986)- 37 39 45. (N) 122 07 10. (W) SCALED HT0235* NAVD 88 - 10.71 (+/-2cm) 35.1 (feet) VERTCON HT0235 ___________________________________________________________________ HT0235 GEOID HEIGHT- -32.40 (meters) GEOID99 HT0235 HT0235 VERT ORDER - FIRST CLASS II (See Below) HT0235 HT0235.This mark is at Hayward Air Terminal Airport (HWD) HT0235 HT0235.The horizontal coordinates were scaled from a topographic map and have HT0235.an estimated accuracy of +/- 6 seconds. HT0235 HT0235.The NAVD 88 height was computed by applying the VERTCON shift value to HT0235.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HT0235.The vertical order pertains to the NGVD 29 superseded value. HT0235 HT0235.The geoid height was determined by GEOID99. HT0235 HT0235; North East Units Estimated Accuracy HT0235;SPC CA 3 - 630,250. 1,857,130. MT (+/- 180 meters Scaled) HT0235 HT0235 SUPERSEDED SURVEY CONTROL HT0235 HT0235 NGVD 29 (??/??/??) 9.889 (m) 32.44 (f) ADJUSTED 1 2 HT0235 HT0235.Superseded values are not recommended for survey control. HT0235.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HT0235.See file dsdata.txt to determine how the superseded data were derived. HT0235 HT0235_U.S. NATIONAL GRID SPATIAL ADDRESS: 10SEG776687(NAD 83) HT0235_MARKER: DB = BENCH MARK DISK HT0235_SETTING: 32 = WINGWALL HT0235_STAMPING: E 738 RESET 1968 HT0235_MARK LOGO: CGS HT0235_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HT0235+STABILITY: SURFACE MOTION HT0235 HT0235 HISTORY - Date Condition Report By HT0235 HISTORY - 1968 MONUMENTED CGS HT0235 HISTORY - 1970 GOOD NGS HT0235 HISTORY - 1983 GOOD NGS HT0235 HISTORY - 1983 GOOD USGS HT0235 HISTORY - 19881003 GOOD NGS HT0235 HISTORY - 20010413 MARK NOT FOUND NGS HT0235 HT0235 STATION DESCRIPTION HT0235 HT0235'DESCRIBED BY COAST AND GEODETIC SURVEY 1968 HT0235'AT HAYWARD MUN AP. HT0235'AT HAYWARD MUNICIPAL AIRPORT, 0.1 MILE EAST OF THE CONTROL HT0235'TOWER, AT THE SOUTHERN INTERSECTION OF WEST A STREET AND SKYWEST HT0235'DRIVE, AT THE WEST END OF A MULTIPLE CONCRETE PIPE CULVERT ALONG HT0235'SULPHUR CREEK AND UNDER SKYWEST DRIVE, IN THE TOP OF THE HT0235'NORTHWEST CONCRETE WING WALL, 73 FEET SOUTHWEST OF THE CENTERLINE HT0235'OF SKYWEST DRIVE, 71.0 FEET SOUTH OF METAL LIGHT POLE 3526, 38 HT0235'FEET SOUTH OF THE CENTERLINE OF WEST A STREET, 9.7 FEET SOUTHEAST HT0235'OF THE NORTHWEST END OF THE WING WALL, 1.5 FEET NORTH OF THE NORTH END HT0235'OF THE CULVERT HEADWALL, AND ABOUT 2-1/2 FEET LOWER THAN THE STREETS. HT0235 HT0235 STATION RECOVERY (1970) HT0235 HT0235'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1970 HT0235'RECOVERED IN GOOD CONDITION. HT0235 HT0235 STATION RECOVERY (1983) HT0235 HT0235'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983 HT0235'RECOVERED IN GOOD CONDITION. HT0235 HT0235 STATION RECOVERY (1983) HT0235 HT0235'RECOVERY NOTE BY US GEOLOGICAL SURVEY 1983 HT0235'RECOVERED IN GOOD CONDITION. HT0235 HT0235 STATION RECOVERY (1988) HT0235 HT0235'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1988 HT0235'RECOVERED IN GOOD CONDITION. HT0235 HT0235 STATION RECOVERY (2001) HT0235 HT0235'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 (MEI) HT0235'THIS MARK WAS REPORTED AS LIKELY TO BE DESTROYED BY CONSTRUCTION OF HT0235'HOME DEPOT, A BUILDING MATERIALS STORE. NOTE- DO NOT CONFUSE THIS MARK HT0235'WITH ONE SET VERTICALLY IN THE AIRPORT CONTROL TOWER WHICH IS ALSO E HT0235'738 RESET, BUT RESET IN 1968, PID HT0234.