GV3576 ***********************************************************************
GV3576  DESIGNATION -  J 495
GV3576  PID         -  GV3576
GV3576  STATE/COUNTY-  VA/HENRICO
GV3576  USGS QUAD   -  BON AIR (1994)
GV3576
GV3576                         *CURRENT SURVEY CONTROL
GV3576  ___________________________________________________________________
GV3576* NAD 83(1986)-  37 35 47.     (N)    077 35 54.     (W)     SCALED
GV3576* NAVD 88     -        49.583  (meters)     162.67   (feet)  ADJUSTED
GV3576  ___________________________________________________________________
GV3576  GEOID HEIGHT-         -32.62  (meters)                     GEOID99
GV3576  DYNAMIC HT  -          49.549 (meters)     162.56  (feet)  COMP
GV3576  MODELED GRAV-     979,945.1   (mgal)                       NAVD 88
GV3576
GV3576  VERT ORDER  -  FIRST     CLASS II
GV3576
GV3576.The horizontal coordinates were scaled from a topographic map and have
GV3576.an estimated accuracy of +/- 6 seconds.
GV3576
GV3576.The orthometric height was determined by differential leveling
GV3576.and adjusted by the National Geodetic Survey in June 1991.
GV3576
GV3576.The geoid height was determined by GEOID99.
GV3576
GV3576.The dynamic height is computed by dividing the NAVD 88
GV3576.geopotential number by the normal gravity value computed on the
GV3576.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
GV3576.degrees latitude (g = 980.6199 gals.).
GV3576
GV3576.The modeled gravity was interpolated from observed gravity values.
GV3576
GV3576;                    North         East    Units  Estimated Accuracy
GV3576;SPC VA S     - 1,140,550.    3,579,620.      MT  (+/- 180 meters Scaled)
GV3576
GV3576                          SUPERSEDED SURVEY CONTROL
GV3576
GV3576.No superseded survey control is available for this station.
GV3576
GV3576_MARKER: I = METAL ROD
GV3576_SETTING: 49 = STAINLESS STEEL ROD W/O SLEEVE (10 FT.+)
GV3576_STAMPING: J 495 1983
GV3576_PROJECTION: FLUSH
GV3576_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
GV3576_ROD/PIPE-DEPTH: 6.1  meters
GV3576
GV3576  HISTORY     - Date     Condition        Recov. By
GV3576  HISTORY     - 1983     MONUMENTED       NGS
GV3576  HISTORY     - 1990     GOOD             USPSQD
GV3576  HISTORY     - 19910414 GOOD             USPSQD
GV3576  HISTORY     - 19940313 GOOD             USPSQD
GV3576  HISTORY     - 19961019 GOOD             USPSQD
GV3576
GV3576                          STATION DESCRIPTION
GV3576
GV3576''DESCRIBED BY NATIONAL GEODETIC SURVEY 1983
GV3576''5.9 KM (3.7 MI) WEST FROM RICHMOND.
GV3576''5.9 KM (3.7 MI) WEST ALONG STATE HIGHWAY 6 FROM THE INTERSECTION OF
GV3576''THREE CHOPT ROAD IN RICHMOND TO THE MARK ON THE RIGHT, NEAR THE WEST
GV3576''END OF THE WEST HAMPTON MEMORIAL PARK CEMETERY, 41.75 METERS
GV3576''(137.0 FT) NORTH OF THE CENTERLINE OF THE HIGHWAY, 6.50 METERS
GV3576''(21.3 FT) NORTH OF THE CONCRETE BASE OF A STATUE OF CHRIST AND MARY
GV3576''MAGDELEN AT THE WELL, 1.10 METERS (3.6 FT) WEST OF A 2-INCH ALUMINUM
GV3576''DISK INSCRIBED 244 MARKING A CEMETERY PLOT.
GV3576''THE MARK IS 1.20 M ABOVE HIGHWAY.
GV3576
GV3576                          STATION RECOVERY (1990)
GV3576
GV3576''RECOVERY NOTE BY US POWER SQUADRON 1990 (CLR)
GV3576''RECOVERED IN GOOD CONDITION.
GV3576
GV3576                          STATION RECOVERY (1991)
GV3576
GV3576''RECOVERY NOTE BY US POWER SQUADRON 1991 (CLR)
GV3576''RECOVERED IN GOOD CONDITION.
GV3576
GV3576                          STATION RECOVERY (1994)
GV3576
GV3576''RECOVERY NOTE BY US POWER SQUADRON 1994
GV3576''RECOVERED IN GOOD CONDITION.
GV3576
GV3576                          STATION RECOVERY (1996)
GV3576
GV3576''RECOVERY NOTE BY US POWER SQUADRON 1996
GV3576''RECOVERED IN GOOD CONDITION.