1 National Geodetic Survey, Retrieval Date = MARCH 4, 2003 FX1138 *********************************************************************** FX1138 DESIGNATION - T 285 FX1138 PID - FX1138 FX1138 STATE/COUNTY- VA/SOUTHAMPTON FX1138 USGS QUAD - SEBRELL (1990) FX1138 FX1138 *CURRENT SURVEY CONTROL FX1138 ___________________________________________________________________ FX1138* NAD 83(1986)- 36 50 11. (N) 077 07 43. (W) SCALED FX1138* NAVD 88 - 23.191 (meters) 76.09 (feet) POSTED FX1138 ___________________________________________________________________ FX1138 GEOID HEIGHT- -34.64 (meters) GEOID99 FX1138 DYNAMIC HT - 23.170 (meters) 76.02 (feet) COMP FX1138 MODELED GRAV- 979,881.9 (mgal) NAVD 88 FX1138 FX1138 VERT ORDER - * POSTED, Code B , SEE BELOW FX1138 FX1138.The horizontal coordinates were scaled from a topographic map and have FX1138.an estimated accuracy of +/- 6 seconds. FX1138 FX1138.The orthometric height was determined by differential leveling FX1138.and adjusted by the National Geodetic Survey in 1992. FX1138.* This is a POSTED BENCH MARK height. Code B indicates a distribution FX1138.rate of 1.1 thru 2.0 mm/km. FX1138 FX1138.The geoid height was determined by GEOID99. FX1138 FX1138.The dynamic height is computed by dividing the NAVD 88 FX1138.geopotential number by the normal gravity value computed on the FX1138.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 FX1138.degrees latitude (g = 980.6199 gals.). FX1138 FX1138.The modeled gravity was interpolated from observed gravity values. FX1138 FX1138; North East Units Estimated Accuracy FX1138;SPC VA S - 1,056,720. 3,622,330. MT (+/- 180 meters Scaled) FX1138 FX1138 SUPERSEDED SURVEY CONTROL FX1138 FX1138 NGVD 29 - 23.597 (m) 77.42 (f) ADJ UNCH 2 0 FX1138 FX1138.Superseded values are not recommended for survey control. FX1138.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. FX1138.See file dsdata.txt to determine how the superseded data were derived. FX1138 FX1138_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUF101788(NAD 83) FX1138_MARKER: DB = BENCH MARK DISK FX1138_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT FX1138_STAMPING: T 285 1942 FX1138_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO FX1138+STABILITY: SURFACE MOTION FX1138_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR FX1138+SATELLITE: SATELLITE OBSERVATIONS - January 29, 2003 FX1138 FX1138 HISTORY - Date Condition Report By FX1138 HISTORY - 1942 MONUMENTED CGS FX1138 HISTORY - 1960 MARK NOT FOUND NGS FX1138 HISTORY - 20030129 GOOD VADOT FX1138 FX1138 STATION DESCRIPTION FX1138 FX1138'DESCRIBED BY NATIONAL GEODETIC SURVEY 1960 FX1138'3.5 MI N FROM SEBRELL. FX1138'3.5 MILES NORTH ALONG STATE HIGHWAY 35 FROM THE POST OFFICE AT FX1138'SEBRELL, SOUTHAMPTON COUNTY, AT THE JUNCTION OF A PRIVATE ROAD FX1138'LEADING WEST TO A FARMHOUSE, 89 FEET NORTH OF THE CENTERLINE OF FX1138'THE ROAD, 33 FEET WEST OF THE CENTERLINE OF THE HIGHWAY, 5 FEET FX1138'SOUTH OF THE WEST CORNER OF AN ABANDONED HOUSE, 2.6 FEET SOUTHWEST FX1138'OF THE ABANDONED HOUSE, AND 1.4 FEET NORTHWEST OF A WHITE WOODEN FX1138'WITNESS POST. A STANDARD DISK, STAMPED T 285 1942 AND SET IN THE FX1138'TOP OF A CONCRETE POST. FX1138 FX1138 STATION RECOVERY (2003) FX1138 FX1138'RECOVERY NOTE BY VIRGINIA DEPARTMENT OF TRANSPORTATION 2003 (NKB) FX1138'3.5 MILES NORTH FROM SEBRELL, 0.25 MILES SOUTH OF THE EASTBOUND FX1138'INTERSECTION OF ROUTE 607 AND ROUTE 35, 33 FEET WEST OF THE CENTERLINE FX1138'OF ROUTE 35, 3.3 FEET EAST OF A DOMINION VIRGINIA POWER POLE NUMBER FX1138'VC40, 1.0 FOOT EAST OF A METAL WITNESS POST. A STANDARD DISK, STAMPED FX1138'T 285 1942 AND SET IN THE TOP OF A CONCRETE POST.