1 National Geodetic Survey, Retrieval Date = DECEMBER 2, 2002 BW0304 *********************************************************************** BW0304 DESIGNATION - N 10 BW0304 PID - BW0304 BW0304 STATE/COUNTY- MS/WALTHALL BW0304 USGS QUAD - TYLERTOWN (1970) BW0304 BW0304 *CURRENT SURVEY CONTROL BW0304 ___________________________________________________________________ BW0304* NAD 83(1986)- 31 06 59. (N) 090 08 27. (W) SCALED BW0304* NAVD 88 - 89.36 (+/-2cm) 293.2 (feet) VERTCON BW0304 ___________________________________________________________________ BW0304 GEOID HEIGHT- -27.04 (meters) GEOID99 BW0304 BW0304 VERT ORDER - FIRST CLASS II (See Below) BW0304 BW0304.The horizontal coordinates were scaled from a topographic map and have BW0304.an estimated accuracy of +/- 6 seconds. BW0304 BW0304.The NAVD 88 height was computed by applying the VERTCON shift value to BW0304.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) BW0304.The vertical order pertains to the superseded datum. BW0304 BW0304.The geoid height was determined by GEOID99. BW0304 BW0304; North East Units Estimated Accuracy BW0304;SPC MS W - 179,200. 718,360. MT (+/- 180 meters Scaled) BW0304 BW0304 SUPERSEDED SURVEY CONTROL BW0304 BW0304 NGVD 29 - 89.396 (m) 293.29 (f) ADJUSTED 1 2 BW0304 BW0304.Superseded values are not recommended for survey control. BW0304.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. BW0304.See file dsdata.txt to determine how the superseded data were derived. BW0304 BW0304_U.S. NATIONAL GRID SPATIAL ADDRESS: 15RYQ726460(NAD 83) BW0304_MARKER: DB = BENCH MARK DISK BW0304_SETTING: 30 = BALUSTRADE BW0304_STAMPING: N 10 1934 293.293 BW0304_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY BW0304_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR BW0304+SATELLITE: SATELLITE OBSERVATIONS - October 08, 2002 BW0304 BW0304 HISTORY - Date Condition Report By BW0304 HISTORY - 1934 MONUMENTED CGS BW0304 HISTORY - 1968 GOOD MSHD BW0304 HISTORY - 20021008 GOOD INDIV BW0304 BW0304 STATION DESCRIPTION BW0304 BW0304'DESCRIBED BY MISSISSIPPI STATE HIGHWAY DEPARTMENT 1968 BW0304'IN TYLERTOWN. BW0304'THE MARK IS LOCATED IN THE FACE OF THE CONCRETE COPING OF THE WALTHALL BW0304'COUNTY COURTHOUSE AT THE END OF THE EAST BALUSTRADE. IT IS 28 FEET BW0304'EAST OF THE CENTER OF THE ENTRANCE TO THE NORTH SIDE OF THE BW0304'COURTHOUSE, 29 FEET WEST OF THE SOUTHEAST CORNER OF THE COURTHOUSE, BW0304'SET VERTICALLY IN A DRILL HOLE ABOUT 0.4 FEET ABOVE THE BALUSTRADE AND BW0304'ABOUT 4 FEET ABOVE THE GROUND. BW0304 BW0304 STATION RECOVERY (2002) BW0304 BW0304'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (NB) BW0304'RECOVERED AS DESCRIBED