1 National Geodetic Survey, Retrieval Date = DECEMBER 8, 2003 JU1875 *********************************************************************** JU1875 DESIGNATION - G 103 JU1875 PID - JU1875 JU1875 STATE/COUNTY- MD/CECIL JU1875 USGS QUAD - NORTH EAST (1992) JU1875 JU1875 *CURRENT SURVEY CONTROL JU1875 ___________________________________________________________________ JU1875* NAD 83(1986)- 39 35 51. (N) 075 57 46. (W) SCALED JU1875* NAVD 88 - 17.826 (meters) 58.48 (feet) ADJUSTED JU1875 ___________________________________________________________________ JU1875 GEOID HEIGHT- -33.16 (meters) GEOID99 JU1875 DYNAMIC HT - 17.818 (meters) 58.46 (feet) COMP JU1875 MODELED GRAV- 980,130.0 (mgal) NAVD 88 JU1875 JU1875 VERT ORDER - SECOND CLASS 0 JU1875 JU1875.The horizontal coordinates were scaled from a topographic map and have JU1875.an estimated accuracy of +/- 6 seconds. JU1875 JU1875.The orthometric height was determined by differential leveling JU1875.and adjusted by the National Geodetic Survey in June 1991. JU1875 JU1875.The geoid height was determined by GEOID99. JU1875 JU1875.The dynamic height is computed by dividing the NAVD 88 JU1875.geopotential number by the normal gravity value computed on the JU1875.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JU1875.degrees latitude (g = 980.6199 gals.). JU1875 JU1875.The modeled gravity was interpolated from observed gravity values. JU1875 JU1875; North East Units Estimated Accuracy JU1875;SPC MD - 214,850. 489,090. MT (+/- 180 meters Scaled) JU1875 JU1875 SUPERSEDED SURVEY CONTROL JU1875 JU1875 NGVD 29 (??/??/??) 18.056 (m) 59.24 (f) ADJUSTED 2 0 JU1875 JU1875.Superseded values are not recommended for survey control. JU1875.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JU1875.See file dsdata.txt to determine how the superseded data were derived. JU1875 JU1875_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVJ173835(NAD 83) JU1875_MARKER: DB = BENCH MARK DISK JU1875_SETTING: 30 = CONC GAS PUMP BASE JU1875_STAMPING: G 103 1961 JU1875_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY JU1875 JU1875 HISTORY - Date Condition Report By JU1875 HISTORY - 1961 MONUMENTED CGS JU1875 HISTORY - 1964 GOOD CGS JU1875 HISTORY - 1982 GOOD LOCSUR JU1875 HISTORY - 19910216 GOOD USPSQD JU1875 HISTORY - 20020719 GOOD INDIV JU1875 JU1875 STATION DESCRIPTION JU1875 JU1875'DESCRIBED BY COAST AND GEODETIC SURVEY 1964 JU1875'1 MI W FROM NORTH EAST. JU1875'1.05 MILE WEST ALONG STATE HIGHWAY 7 FROM ITS JUNCTION WITH STATE JU1875'HIGHWAY 272 IN NORTH EAST, 9 FEET EAST OF POWER LINE POLE NO. JU1875'12292 AND 27 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY. A JU1875'STANDARD DISK SET IN A DRILL HOLE IN THE CENTER OF THE CONCRETE BASE JU1875'OF ABANDONED GASOLINE PUMP. JU1875 JU1875 STATION RECOVERY (1982) JU1875 JU1875'RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1982 JU1875'RECOVERED IN GOOD CONDITION. JU1875 JU1875 STATION RECOVERY (1991) JU1875 JU1875'RECOVERY NOTE BY US POWER SQUADRON 1991 (ECH) JU1875'RECOVERED IN GOOD CONDITION. JU1875 JU1875 STATION RECOVERY (2002) JU1875 JU1875'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (TGG) JU1875'DISK WAS RECOVERED IN GOOD CONDITION. CONC. BASE IS NOW APPROXIMATELY JU1875'1.5 FEET X 1.5 FEET, 4 INCHES ABOVE GROUND LEVEL, AND 27 FEET NORTH OF JU1875'CENTERLINE OF ROAD. DISK IS PROTECTED BY A PIECE OF PIPE 8 INCHES IN JU1875'DIA. AND 8 INCHES HIGH. PIPE HAS A SQUARE BASE AND IS REMOVABLE. POLE JU1875'12292 HAS BEEN RELOCATED AND IS NOW APPROXIMATELY 13.3 FEET WEST OF JU1875'THE DISK.