1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 BH1046 *********************************************************************** BH1046 DESIGNATION - M 17 BH1046 PID - BH1046 BH1046 STATE/COUNTY- MS/HARRISON BH1046 USGS QUAD - GULFPORT NORTH (1994) BH1046 BH1046 *CURRENT SURVEY CONTROL BH1046 ___________________________________________________________________ BH1046* NAD 83(1986)- 30 28 21. (N) 089 06 13. (W) SCALED BH1046* NAVD 88 - 19.405 (meters) 63.66 (feet) ADJUSTED BH1046 ___________________________________________________________________ BH1046 GEOID HEIGHT- -28.25 (meters) GEOID99 BH1046 DYNAMIC HT - 19.380 (meters) 63.58 (feet) COMP BH1046 MODELED GRAV- 979,310.9 (mgal) NAVD 88 BH1046 BH1046 VERT ORDER - SECOND CLASS 0 BH1046 BH1046.The horizontal coordinates were scaled from a topographic map and have BH1046.an estimated accuracy of +/- 6 seconds. BH1046 BH1046.The orthometric height was determined by differential leveling BH1046.and adjusted by the National Geodetic Survey in May 1996. BH1046 BH1046.The geoid height was determined by GEOID99. BH1046 BH1046.The dynamic height is computed by dividing the NAVD 88 BH1046.geopotential number by the normal gravity value computed on the BH1046.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 BH1046.degrees latitude (g = 980.6199 gals.). BH1046 BH1046.The modeled gravity was interpolated from observed gravity values. BH1046 BH1046; North East Units Estimated Accuracy BH1046;SPC MS E - 107,830. 274,050. MT (+/- 180 meters Scaled) BH1046 BH1046 SUPERSEDED SURVEY CONTROL BH1046 BH1046 NGVD 29 - 19.496 (m) 63.96 (f) ADJUSTED 2 0 BH1046 BH1046.Superseded values are not recommended for survey control. BH1046.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. BH1046.See file dsdata.txt to determine how the superseded data were derived. BH1046 BH1046_U.S. NATIONAL GRID SPATIAL ADDRESS: 16RBU980730(NAD 83) BH1046_MARKER: DB = BENCH MARK DISK BH1046_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT BH1046_STAMPING: M 17 1934 BH1046_MARK LOGO: CGS BH1046_MAGNETIC: N = NO MAGNETIC MATERIAL BH1046_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO BH1046+STABILITY: SURFACE MOTION BH1046_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR BH1046+SATELLITE: SATELLITE OBSERVATIONS - October 20, 1988 BH1046 BH1046 HISTORY - Date Condition Report By BH1046 HISTORY - 1934 MONUMENTED CGS BH1046 HISTORY - 1972 GOOD MSHD BH1046 HISTORY - 19881020 GOOD MSHD BH1046 HISTORY - 20030315 GOOD INDIV BH1046 BH1046 STATION DESCRIPTION BH1046 BH1046'DESCRIBED BY MISSISSIPPI STATE HIGHWAY DEPARTMENT 1972 BH1046'1.8 MI SSE FROM LYMAN. BH1046'THE MARK IS LOCATED 1.8 MILES S-SE OF LYMAN IN THE SW ANGLE OF THE BH1046'CROSSING OF A GRAVELED ROAD WITH THE ICRR TRACK, 0.25 MILE NORTH OF BH1046'MILEPOST G 7, 2.5 MILES NORTH OF LANDON IN THE SW 1/4 OF SECTION 33, T BH1046'6S, R 11W. IT IS 216 FEET WEST OF THE CENTER OF THE WEST LANE OF BH1046'HIGHWAY 49, 23 FEET SOUTH OF THE CENTER OF A GRAVELED ROAD, 105 FEET BH1046'EAST OF THE CENTER OF A BLACKTOP ROAD, 9 FEET WEST OF THE WEST RAIL, BH1046'133 FEET W-SW OF THE SW CORNER OF A RED CONCRETE BLOCK BUILDING, 61.5 BH1046'FEET SOUTH OF THE PROJECTED PLANE OF THE SOUTH WALL OF THE BUILDING, 1 BH1046'FOOT SOUTH OF A METAL WITNESS POST, SET IN THE TOP OF A 10 INCH SQUARE BH1046'CONCRETE POST ABOUT LEVEL WITH THE TRACK AND PROJECTS 8 INCHES. TO BH1046'REACH FROM THE JUNCTION OF STATE HIGHWAY 53 AND U.S. HIGHWAY 49 AT BH1046'LYMAN GO SOUTH ON U.S. HIGHWAY 49 FOR 2 MILES TO A SIDE ROAD RIGHT ON BH1046'THE SOUTH SIDE OF A RED CONCRETE BLOCK BUILDING. TURN RIGHT AND GO BH1046'WEST ON A GRAVELED ROAD FOR ABOUT 200 FEET TO A RAILROAD CROSSING AND BH1046'THE MARK ON THE LEFT. BH1046 BH1046 STATION RECOVERY (1988) BH1046 BH1046'RECOVERY NOTE BY MISSISSIPPI STATE HIGHWAY DEPARTMENT 1988 BH1046'MARK IS LOCATED ABOUT 7.1 MI (11.4 KM) NORTH OF GULFPORT, IN THE BH1046'SOUTHWEST ANGLE OF THE CROSSING OF THE I.C.G. RAILROAD TRACK WITH A BH1046'GRAVEL ROAD, 2 MI (3.2 KM) SOUTH OF THE JUNCTION OF U.S. HIGHWAY 49 BH1046'AND STATE HIGHWAY 53 AT LYMAN AND IS IN SECTION 4, T 7S, R 11W. TO BH1046'REACH FROM THE I-10 BRIDGE OVER U.S. HIGHWAY 49, 4.6 MI (7.4 KM) BH1046'NORTH OF GULFPORT, GO NORTH ON U.S. HIGHWAY 49 FOR 2.7 MI (4.3 KM) BH1046'TO A CROSSROAD. TURN LEFT AND GO WEST ON A GRAVEL ROAD FOR 0.05 MI BH1046'(0.08 KM) TO THE MARK ON THE RIGHT. MARK IS A STANDARD DISK SET IN BH1046'THE TOP OF A SQUARE CONCRETE POST ABOUT LEVEL WITH THE TRACK, BH1046'PROJECTING 8 INCHES. IT IS 216 FT (65.8 M) WEST OF THE CENTER OF THE BH1046'SOUTH BOUND LANE OF HIGHWAY 49, 133 FT (40.5 M) WEST SOUTHWEST OF THE BH1046'SOUTHWEST CORNER OF A RED CONCRETE BLOCK BUILDING, 105 FT (32.0 M) BH1046'EAST OF THE CENTER OF A PAVED ROAD, 61.5 FT (18.7 M) SOUTH OF THE BH1046'PROJECTED PLANE OF THE SOUTH WALL OF THE BUILDING, 23 FT (7.0 M) BH1046'SOUTH OF THE CENTER OF A GRAVEL ROAD, 9 FT (2.7 M) WEST OF THE WEST BH1046'RAIL AND 1 FT (0.3 M) SOUTH OF A METAL WITNESS POST. BH1046 BH1046 STATION RECOVERY (2003) BH1046 BH1046'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (DHP) BH1046'RECOVERED IN GOOD CONDITION.