1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 BH1205 *********************************************************************** BH1205 TIDAL BM - This is a Tidal Bench Mark. BH1205 DESIGNATION - A 190 BH1205 PID - BH1205 BH1205 STATE/COUNTY- MS/HANCOCK BH1205 USGS QUAD - ENGLISH LOOKOUT (1996) BH1205 BH1205 *CURRENT SURVEY CONTROL BH1205 ___________________________________________________________________ BH1205* NAD 83(1986)- 30 14 24. (N) 089 36 36. (W) SCALED BH1205* NAVD 88 - 1.767 (meters) 5.80 (feet) ADJUSTED BH1205 ___________________________________________________________________ BH1205 GEOID HEIGHT- -26.86 (meters) GEOID99 BH1205 DYNAMIC HT - 1.765 (meters) 5.79 (feet) COMP BH1205 MODELED GRAV- 979,336.2 (mgal) NAVD 88 BH1205 BH1205 VERT ORDER - FIRST CLASS I BH1205 BH1205.The horizontal coordinates were scaled from a topographic map and have BH1205.an estimated accuracy of +/- 6 seconds. BH1205 BH1205.The orthometric height was determined by differential leveling BH1205.and adjusted by the National Geodetic Survey in February 1994. BH1205 BH1205.This Tidal Bench Mark is designated as VM 10519 BH1205.by the Center for Operational Oceanographic Products and Services. BH1205 BH1205.This Tidal Bench Mark is designated as VM 10526 BH1205.by the Center for Operational Oceanographic Products and Services. BH1205 BH1205.This Tidal Bench Mark is designated as VM 10531 BH1205.by the Center for Operational Oceanographic Products and Services. BH1205 BH1205.The geoid height was determined by GEOID99. BH1205 BH1205.The dynamic height is computed by dividing the NAVD 88 BH1205.geopotential number by the normal gravity value computed on the BH1205.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 BH1205.degrees latitude (g = 980.6199 gals.). BH1205 BH1205.The modeled gravity was interpolated from observed gravity values. BH1205 BH1205; North East Units Estimated Accuracy BH1205;SPC MS E - 82,280. 225,250. MT (+/- 180 meters Scaled) BH1205 BH1205 SUPERSEDED SURVEY CONTROL BH1205 BH1205 NAVD 88 (06/15/91) 1.760 (m) 5.77 (f) UNKNOWN 1 1 BH1205 NGVD 29 (??/??/??) 1.718 (m) 5.64 (f) ADJUSTED 1 1 BH1205 BH1205.Superseded values are not recommended for survey control. BH1205.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. BH1205.See file dsdata.txt to determine how the superseded data were derived. BH1205 BH1205_U.S. NATIONAL GRID SPATIAL ADDRESS: 16RBU488482(NAD 83) BH1205_MARKER: DB = BENCH MARK DISK BH1205_SETTING: 32 = HEADWALL BH1205_STAMPING: A 190 1955 BH1205_MARK LOGO: CGS BH1205_MAGNETIC: N = NO MAGNETIC MATERIAL BH1205_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY BH1205_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR BH1205+SATELLITE: SATELLITE OBSERVATIONS - October 12, 2003 BH1205 BH1205 HISTORY - Date Condition Report By BH1205 HISTORY - 1955 MONUMENTED CGS BH1205 HISTORY - 1972 GOOD MSHD BH1205 HISTORY - 1977 GOOD NGS BH1205 HISTORY - 19930317 GOOD NGS BH1205 HISTORY - 20031012 GOOD USPSQD BH1205 BH1205 STATION DESCRIPTION BH1205 BH1205'DESCRIBED BY MISSISSIPPI STATE HIGHWAY DEPARTMENT 1972 BH1205'0.8 MI S FROM PEARLINGTON. BH1205'THE MARK IS LOCATED 0.8 MILES SOUTH OF PEARLINGTON SET IN A DRILL HOLE BH1205'IN THE SOUTHWEST END OF THE NORTHWEST HEADWALL AND WINGWALL ASSEMBLY BH1205'OF A 15 INCH CONCRETE PIPE CULVERT UNDER THE HIGHWAY ABOUT 100 YARDS BH1205'NORTHEAST OF THE JUNCTION OF STATE HIGHWAY 604 AND U.S. HIGHWAY 90. IT BH1205'IS 32.5 FEET NORTHWEST OF THE CENTER OF HIGHWAY 90, 19.5 FEET BH1205'SOUTHWEST OF THE PROJECTED PLANE OF THE SOUTHWEST WALL OF A SMALL BH1205'BRICK HOUSE, 81 FEET SOUTHWEST OF A POWER POLE WITH THREE BH1205'TRANSFORMERS, 132 FEET SOUTHWEST OF THE CENTER OF A DRIVEWAY, 1 FOOT BH1205'NORTHEAST OF A METAL WITNESS POST AND ABOUT 2 1/4 FEET BELOW THE LEVEL BH1205'OF THE HIGHWAY. TO REACH FROM THE EAST END OF THE BRIDGE OVER PEARL BH1205'RIVER AT PEARLINGTON GO EAST ON U.S. HIGHWAY 90 FOR 0.2 MILES TO THE BH1205'MARK ON THE LEFT. BH1205 BH1205 STATION RECOVERY (1977) BH1205 BH1205'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1977 BH1205'RECOVERED IN GOOD CONDITION. BH1205 BH1205 STATION RECOVERY (1993) BH1205 BH1205'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1993 BH1205'IN PEARLINGTON, AT THE INTERSECTION OF U.S. HIGHWAY 90 AND STATE BH1205'HIGHWAY 604, IN TOP OF AND 0.1 M (0.3 FT) EAST OF THE WEST END OF THE BH1205'NORTH CONCRETE HEADWALL OF A CULVERT UNDER THE U.S. HIGHWAY, 45.0 M BH1205'(147.6 FT) SOUTHEAST OF THE CENTERLINE OF THE STATE HIGHWAY, 40.4 M BH1205'(132.5 FT) WEST OF THE CENTER OF A DRIVEWAY, 10.0 M (32.8 FT) NORTH BH1205'OF THE CENTERLINE OF THE U.S. HIGHWAY, AND 0.9 M (3.0 FT) BELOW THE BH1205'LEVEL OF THE U.S. HIGHWAY. BH1205 BH1205 STATION RECOVERY (2003) BH1205 BH1205'RECOVERY NOTE BY US POWER SQUADRON 2003 (RLR) BH1205'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 BH1204 *********************************************************************** BH1204 TIDAL BM - This is a Tidal Bench Mark. BH1204 DESIGNATION - H 122 BH1204 PID - BH1204 BH1204 STATE/COUNTY- MS/HANCOCK BH1204 USGS QUAD - ENGLISH LOOKOUT (1996) BH1204 BH1204 *CURRENT SURVEY CONTROL BH1204 ___________________________________________________________________ BH1204* NAD 83(1986)- 30 14 36. (N) 089 36 15. (W) SCALED BH1204* NAVD 88 - 2.178 (meters) 7.15 (feet) ADJUSTED BH1204 ___________________________________________________________________ BH1204 GEOID HEIGHT- -26.88 (meters) GEOID99 BH1204 DYNAMIC HT - 2.175 (meters) 7.14 (feet) COMP BH1204 MODELED GRAV- 979,336.3 (mgal) NAVD 88 BH1204 BH1204 VERT ORDER - FIRST CLASS I BH1204 BH1204.The horizontal coordinates were scaled from a topographic map and have BH1204.an estimated accuracy of +/- 6 seconds. BH1204 BH1204.The orthometric height was determined by differential leveling BH1204.and adjusted by the National Geodetic Survey in February 1994. BH1204 BH1204.This Tidal Bench Mark is designated as VM 10518 BH1204.by the Center for Operational Oceanographic Products and Services. BH1204 BH1204.This Tidal Bench Mark is designated as VM 10525 BH1204.by the Center for Operational Oceanographic Products and Services. BH1204 BH1204.The geoid height was determined by GEOID99. BH1204 BH1204.The dynamic height is computed by dividing the NAVD 88 BH1204.geopotential number by the normal gravity value computed on the BH1204.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 BH1204.degrees latitude (g = 980.6199 gals.). BH1204 BH1204.The modeled gravity was interpolated from observed gravity values. BH1204 BH1204; North East Units Estimated Accuracy BH1204;SPC MS E - 82,650. 225,810. MT (+/- 180 meters Scaled) BH1204 BH1204 SUPERSEDED SURVEY CONTROL BH1204 BH1204 NAVD 88 (06/15/91) 2.174 (m) 7.13 (f) UNKNOWN 1 1 BH1204 NGVD 29 (??/??/??) 2.130 (m) 6.99 (f) ADJUSTED 1 1 BH1204 BH1204.Superseded values are not recommended for survey control. BH1204.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. BH1204.See file dsdata.txt to determine how the superseded data were derived. BH1204 BH1204_U.S. NATIONAL GRID SPATIAL ADDRESS: 16RBU494486(NAD 83) BH1204_MARKER: DB = BENCH MARK DISK BH1204_SETTING: 38 = ABUTMENT BH1204_STAMPING: H 122 1938 BH1204_MARK LOGO: CGS BH1204_MAGNETIC: N = NO MAGNETIC MATERIAL BH1204_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL BH1204_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR BH1204+SATELLITE: SATELLITE OBSERVATIONS - March 17, 1993 BH1204 BH1204 HISTORY - Date Condition Report By BH1204 HISTORY - 1938 MONUMENTED CGS BH1204 HISTORY - 1972 GOOD MSHD BH1204 HISTORY - 1976 GOOD NGS BH1204 HISTORY - 1977 GOOD NGS BH1204 HISTORY - 19930317 GOOD NGS BH1204 HISTORY - 20031012 GOOD USPSQD BH1204 BH1204 STATION DESCRIPTION BH1204 BH1204'DESCRIBED BY MISSISSIPPI STATE HIGHWAY DEPARTMENT 1972 BH1204'0.85 MI SE FROM PEARLINGTON. BH1204'THE MARK IS LOCATED 0.85 MILES SOUTHEAST OF PEARLINGTON SET IN A DRILL BH1204'HOLE IN THE SOUTHEAST END OF THE NORTHEAST ABUTEMENT OF A CONCRETE BH1204'BRIDGE OVER COWAN BAYOU. (FIRST BRIDGE EAST OF THE PEARL RIVER BH1204'BRIDGE) IT IS 15.5 FEET SOUTHEAST OF THE CENTER OF HIGHWAY 90, 1 FOOT BH1204'SOUTHWEST OF A METAL WITNESS POST AND ABOUT 1/4 FOOT BELOW THE LEVEL BH1204'OF THE HIGHWAY. TO REACH FROM THE EAST END OF THE BRIDGE OVER PEARL BH1204'RIVER AT PEARLINGTON AT EAST ON U.S. HIGHWAY 90 FOR 0.6 MILES TO THE BH1204'NORTHEAST END OF THE BRIDGE AND THE MARK ON THE RIGHT. BH1204 BH1204 STATION RECOVERY (1976) BH1204 BH1204'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1976 BH1204'RECOVERED IN GOOD CONDITION. BH1204 BH1204 STATION RECOVERY (1977) BH1204 BH1204'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1977 BH1204'RECOVERED IN GOOD CONDITION. BH1204 BH1204 STATION RECOVERY (1993) BH1204 BH1204'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1993 BH1204'0.7 KM (0.45 MI) NORTHEASTERLY ALONG U.S. HIGHWAY 90 FROM THE BH1204'JUNCTION OF STATE HIGHWAY 604 IN PEARLINGTON, IN TOP OF AND 0.3 M BH1204'(1.0 FT) NORTHWEST OF THE SOUTHEAST END OF THE NORTHEAST CONCRETE BH1204'ABUTMENT OF THE HIGHWAY BRIDGE SPANNING COWAN BAYOU, 4.7 M (15.4 FT) BH1204'SOUTHEAST OF AND LEVEL WITH THE HIGHWAY CENTERLINE, AND 0.2 M (0.7 BH1204'FT) SOUTHWEST OF A WITNESS POST. BH1204 BH1204 STATION RECOVERY (2003) BH1204 BH1204'RECOVERY NOTE BY US POWER SQUADRON 2003 (RLR) BH1204'WITNESS POST LAYING ON THE GROUND NEXT TO MARKER.