1 National Geodetic Survey, Retrieval Date = MAY 1, 2003 BV1937 *********************************************************************** BV1937 DESIGNATION - 49 V 231 BV1937 PID - BV1937 BV1937 STATE/COUNTY- MS/LAMAR BV1937 USGS QUAD - HATTIESBURG (1982) BV1937 BV1937 *CURRENT SURVEY CONTROL BV1937 ___________________________________________________________________ BV1937* NAD 83(1986)- 31 18 42. (N) 089 21 10. (W) SCALED BV1937* NAVD 88 - 79.435 (meters) 260.61 (feet) ADJUSTED BV1937 ___________________________________________________________________ BV1937 GEOID HEIGHT- -26.72 (meters) GEOID99 BV1937 DYNAMIC HT - 79.337 (meters) 260.29 (feet) COMP BV1937 MODELED GRAV- 979,414.0 (mgal) NAVD 88 BV1937 BV1937 VERT ORDER - SECOND CLASS II BV1937 BV1937.The horizontal coordinates were scaled from a topographic map and have BV1937.an estimated accuracy of +/- 6 seconds. BV1937 BV1937.The orthometric height was determined by differential leveling BV1937.and adjusted by the National Geodetic Survey in May 1996. BV1937 BV1937.The geoid height was determined by GEOID99. BV1937 BV1937.The dynamic height is computed by dividing the NAVD 88 BV1937.geopotential number by the normal gravity value computed on the BV1937.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 BV1937.degrees latitude (g = 980.6199 gals.). BV1937 BV1937.The modeled gravity was interpolated from observed gravity values. BV1937 BV1937; North East Units Estimated Accuracy BV1937;SPC MS E - 200,950. 250,560. MT (+/- 180 meters Scaled) BV1937 BV1937 SUPERSEDED SURVEY CONTROL BV1937 BV1937.No superseded survey control is available for this station. BV1937 BV1937_U.S. NATIONAL GRID SPATIAL ADDRESS: 16RBV760665(NAD 83) BV1937_MARKER: DR = REFERENCE MARK DISK BV1937_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT BV1937_STAMPING: BM 49 V 231 1989 BV1937_MARK LOGO: MSHD BV1937_MAGNETIC: N = NO MAGNETIC MATERIAL BV1937_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO BV1937+STABILITY: SURFACE MOTION BV1937_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR BV1937+SATELLITE: SATELLITE OBSERVATIONS - March 15, 2003 BV1937 BV1937 HISTORY - Date Condition Report By BV1937 HISTORY - 1989 MONUMENTED MSHD BV1937 HISTORY - 20000203 GOOD NGS BV1937 HISTORY - 20000315 GOOD NGS BV1937 HISTORY - 20030315 GOOD INDIV BV1937 BV1937 STATION DESCRIPTION BV1937 BV1937'DESCRIBED BY MISSISSIPPI STATE HIGHWAY DEPARTMENT 1989 BV1937'MARK IS LOCATED ABOUT 3.8 MI (6.1 KM) WEST-SOUTHWEST OF HATTIESBURG, BV1937'ON THE EAST R.O.W. OF I-59, 3.75 MI (6.03 KM) NORTH OF THE U.S. BV1937'HIGHWAY 11 BRIDGE OVER I-59, 0.9 MI (1.4 KM) SOUTH OF THE U.S. BV1937'HIGHWAY 98 (HARDY STREET) BRIDGE OVER I-59, 0.6 MI (1.0 KM) NORTH OF BV1937'MILEPOST 64 AND IN SECTION 13, T 4N, R 14W. BV1937'MARK IS A MSHD REFERENCE MARK DISK, SET IN THE TOP OF A ROUND CONCRETE BV1937'POST, FLUSH WITH THE GROUND, 52.0 FT (15.8 M) EAST OF THE CENTER OF BV1937'THE NORTH BOUND LANE OF I-59, 16.5 FT (5.0 M) NORTHWEST OF A 12 INCH BV1937'PINE, 5.4 FT (1.6 M) SOUTH OF THE EAST POST OF A LARGE SIGN AND 1.2 BV1937'FT (0.4 M) NORTH OF A METAL WITNESS POST. BV1937 BV1937 STATION RECOVERY (2000) BV1937 BV1937'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 BV1937'AN MSHD AZIMUTH MARK DISK. BV1937 BV1937 STATION RECOVERY (2000) BV1937 BV1937'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 BV1937'RECOVERED AS DESCRIBED. THE LARGE SIGN REFERED TO IN 1989 IS GONE. BV1937 BV1937 STATION RECOVERY (2003) BV1937 BV1937'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 BV1937'THE LARGE SIGN REFERRED TO IN THE 1989 REPORT IS NOT THERE ANYMORE. BV1937'ALTHOUGH THERE IS A LARGE SIGN ABOUT 75 YARDS SOUTH OF THE MARK.