1 National Geodetic Survey, Retrieval Date = MAY 1, 2003 BW0092 *********************************************************************** BW0092 DESIGNATION - BROOKHAVEN BW0092 PID - BW0092 BW0092 STATE/COUNTY- MS/LINCOLN BW0092 USGS QUAD - BROOKHAVEN (1972) BW0092 BW0092 *CURRENT SURVEY CONTROL BW0092 ___________________________________________________________________ BW0092* NAD 83(1986)- 31 34 39. (N) 090 26 39. (W) SCALED BW0092* NAVD 88 - 148.300 (meters) 486.55 (feet) ADJUSTED BW0092 ___________________________________________________________________ BW0092 GEOID HEIGHT- -26.01 (meters) GEOID99 BW0092 DYNAMIC HT - 148.120 (meters) 485.96 (feet) COMP BW0092 MODELED GRAV- 979,418.6 (mgal) NAVD 88 BW0092 BW0092 VERT ORDER - FIRST CLASS II BW0092 BW0092.The horizontal coordinates were scaled from a topographic map and have BW0092.an estimated accuracy of +/- 6 seconds. BW0092 BW0092.The orthometric height was determined by differential leveling BW0092.and adjusted by the National Geodetic Survey in February 1994. BW0092 BW0092.The geoid height was determined by GEOID99. BW0092 BW0092.The dynamic height is computed by dividing the NAVD 88 BW0092.geopotential number by the normal gravity value computed on the BW0092.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 BW0092.degrees latitude (g = 980.6199 gals.). BW0092 BW0092.The modeled gravity was interpolated from observed gravity values. BW0092 BW0092; North East Units Estimated Accuracy BW0092;SPC MS W - 230,310. 689,480. MT (+/- 180 meters Scaled) BW0092 BW0092 SUPERSEDED SURVEY CONTROL BW0092 BW0092 NGVD 29 - 148.315 (m) 486.60 (f) ADJUSTED 1 2 BW0092 BW0092.Superseded values are not recommended for survey control. BW0092.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. BW0092.See file dsdata.txt to determine how the superseded data were derived. BW0092 BW0092_U.S. NATIONAL GRID SPATIAL ADDRESS: 15RYQ425964(NAD 83) BW0092_MARKER: DB = BENCH MARK DISK BW0092_SETTING: 40 = BUILDING BW0092_STAMPING: BROOKHAVEN 1934 486.662 BW0092_MARK LOGO: CGS BW0092_MAGNETIC: N = NO MAGNETIC MATERIAL BW0092_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD BW0092+STABILITY: POSITION/ELEVATION WELL BW0092_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR BW0092+SATELLITE: SATELLITE OBSERVATIONS - March 16, 2003 BW0092 BW0092 HISTORY - Date Condition Report By BW0092 HISTORY - 1934 MONUMENTED CGS BW0092 HISTORY - 1969 GOOD NGS BW0092 HISTORY - 1970 GOOD MSSU BW0092 HISTORY - 19920720 GOOD NGS BW0092 HISTORY - 20030316 GOOD INDIV BW0092 BW0092 STATION DESCRIPTION BW0092 BW0092'DESCRIBED BY NATIONAL GEODETIC SURVEY 1969 BW0092'0.15 MI S FROM BROOKHAVEN. BW0092'ABOUT 0.15 MILE SOUTH ALONG THE ILLINOIS CENTRAL RAILROAD FROM THE BW0092'STATION AT BROOKHAVEN, AT THE CITY HALL, NEAR THE JUNCTION OF WEST BW0092'CHICKASAW STREET AND SOUTH WHITWORTH AVENUE, SET ON THE TOP OF THE BW0092'EAST EDGE OF THE FIRST WINDOW SILL WEST OF THE SOUTHEAST CORNER OF THE BW0092'BUILDING, ABOUT 150 FEET WEST OF AND ACROSS WHITWORTH AVENUE FROM THE BW0092'TRACKS, 37 FEET EAST OF THE CENTER OF THE SOUTH ENTRANCE TO THE BW0092'BUILDING, 7.7 FEET WEST OF THE SOUTHEAST CORNER OF THE BUILDING AND 4 BW0092'FEET ABOVE THE LEVEL OF THE GROUND. BW0092 BW0092 STATION RECOVERY (1970) BW0092 BW0092'RECOVERY NOTE BY MISSISSIPPI STATE UNIVERSITY 1970 BW0092'RECOVERED IN GOOD CONDITION. BW0092 BW0092 STATION RECOVERY (1992) BW0092 BW0092'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 BW0092'IN BROOKHAVEN, AT THE INTERSECTION OF SOUTH WITWORTH AVENUE AND WEST BW0092'CHICKASAW STREET, NEAR THE EAST END OF THE FIRST STONE WINDOW SILL BW0092'WEST OF THE SOUTHEAST CORNER OF THE BROOKHAVEN CHAMBER OF COMMERCE BW0092'AND FIRE DEPARTMENT, 11.0 M (36.1 FT) NORTH OF THE CENTERLINE OF THE BW0092'STREET, 7.3 M (24.0 FT) WEST OF THE CENTERLINE OF THE AVENUE, 2.5 M BW0092'(8.2 FT) WEST OF THE SOUTHEAST CORNER OF THE BUILDING, AND 1.6 M BW0092'(5.2 FT) ABOVE THE GROUND SURFACE. BW0092 BW0092 STATION RECOVERY (2003) BW0092 BW0092'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (JSC) BW0092'RECOVERED IN GOOD CONDITION.