1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 ED3493 *********************************************************************** ED3493 DESIGNATION - 37 034 ED3493 PID - ED3493 ED3493 STATE/COUNTY- SC/OCONEE ED3493 USGS QUAD - TAMASSEE (1985) ED3493 ED3493 *CURRENT SURVEY CONTROL ED3493 ___________________________________________________________________ ED3493* NAD 83(1986)- 34 52 33. (N) 083 01 22. (W) SCALED ED3493* NAVD 88 - 312.031 (meters) 1023.72 (feet) ADJUSTED ED3493 ___________________________________________________________________ ED3493 GEOID HEIGHT- -30.63 (meters) GEOID99 ED3493 DYNAMIC HT - 311.702 (meters) 1022.64 (feet) COMP ED3493 MODELED GRAV- 979,573.5 (mgal) NAVD 88 ED3493 ED3493 VERT ORDER - FIRST CLASS II ED3493 ED3493.The horizontal coordinates were scaled from a topographic map and have ED3493.an estimated accuracy of +/- 6 seconds. ED3493 ED3493.The orthometric height was determined by differential leveling ED3493.and adjusted by the National Geodetic Survey in August 1993. ED3493 ED3493.The geoid height was determined by GEOID99. ED3493 ED3493.The dynamic height is computed by dividing the NAVD 88 ED3493.geopotential number by the normal gravity value computed on the ED3493.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 ED3493.degrees latitude (g = 980.6199 gals.). ED3493 ED3493.The modeled gravity was interpolated from observed gravity values. ED3493 ED3493; North East Units Estimated Accuracy ED3493;SPC SC - 339,230. 424,680. MT (+/- 180 meters Scaled) ED3493 ED3493 SUPERSEDED SURVEY CONTROL ED3493 ED3493 NGVD 29 (12/12/91) 312.068 (m) 1023.84 (f) ADJUSTED 1 2 ED3493 ED3493.Superseded values are not recommended for survey control. ED3493.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. ED3493.See file dsdata.txt to determine how the superseded data were derived. ED3493 ED3493_U.S. NATIONAL GRID SPATIAL ADDRESS: 17SLU151611(NAD 83) ED3493_MARKER: DD = SURVEY DISK ED3493_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT ED3493_STAMPING: 37 034 1991 ED3493_MARK LOGO: SCGS ED3493_MAGNETIC: T = STEEL SPIKE ADJACENT TO MONUMENT ED3493_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO ED3493+STABILITY: SURFACE MOTION ED3493_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR ED3493+SATELLITE: SATELLITE OBSERVATIONS - May 03, 2003 ED3493 ED3493 HISTORY - Date Condition Report By ED3493 HISTORY - 1991 MONUMENTED SCGS ED3493 HISTORY - 20030503 GOOD USPSQD ED3493 ED3493 STATION DESCRIPTION ED3493 ED3493'DESCRIBED BY SOUTH CAROLINA GEODETIC SURVEY 1991 ED3493'STATION IS LOCATED 0.35 MILE (0.56 KM) NORTH NORTHEAST OF TAMASSEE. ED3493'OWNERSHIP--SCDHPT, DIRECTOR OF PRECONSTRUCTION, P.O. BOX 191, ED3493'COLUMBIA, SC 29202, PHONE 803-737-1350. TO REACH THE STATION FROM ED3493'THE JUNCTION OF STATE HIGHWAYS 11 AND 130 (WHITEWATER FALLS ROAD), ED3493'1.1 MILES (1.8 KM) NORTH NORTHWEST OF SALEM, GO WEST SOUTHWEST ON ED3493'HIGHWAY 11 FOR 2.6 MILES (4.2 KM) TO THE JUNCTION OF STATE ROAD 172 ED3493'(DYNAMITE ROAD), CONTINUE ON HIGHWAY 11 FOR 0.4 MILE (0.6 KM) TO THE ED3493'STATION ON THE RIGHT. STATION IS A CONCRETE POST FLUSH WITH THE ED3493'GROUND AND 4.0 FEET ABOVE THE HIGHWAY, 64.2 FEET WEST NORTHWEST OF ED3493'THE CENTER OF THE HIGHWAY, 129.1 FEET SOUTHEAST OF THE EAST CORNER OF ED3493'A BRICK FOUNDATION UNDER A DOUBLE-WIDE MOBILE HOME, 39.5 FEET ED3493'NORTHEAST OF THE CENTER OF THE DRIVEWAY TO THE MOBILE HOME, 109.8 ED3493'FEET NORTH NORTHEAST OF A POWER POLE WITH TWO TELEPHONE JUNCTION ED3493'BOXES AT THE BASE, 108.8 FEET NORTH NORTHEAST OF A WITNESS POST. ED3493'DESCRIBED BY C.E. GEOGHEGAN ED3493 ED3493 STATION RECOVERY (2003) ED3493 ED3493'RECOVERY NOTE BY US POWER SQUADRON 2003 ED3493'RECOVERED IN GOOD CONDITION.