1 National Geodetic Survey, Retrieval Date = JULY 30, 2003 AJ7994 *********************************************************************** AJ7994 CBN - This is a Cooperative Base Network Control Station. AJ7994 DESIGNATION - APPLE AJ7994 PID - AJ7994 AJ7994 STATE/COUNTY- MD/CECIL AJ7994 USGS QUAD - NEWARK WEST (1992) AJ7994 AJ7994 *CURRENT SURVEY CONTROL AJ7994 ___________________________________________________________________ AJ7994* NAD 83(1991)- 39 41 53.59974(N) 075 48 43.08221(W) ADJUSTED AJ7994* NAVD 88 - 101.4 (meters) 333. (feet) GPS OBS AJ7994 ___________________________________________________________________ AJ7994 X - 1,204,501.915 (meters) COMP AJ7994 Y - -4,764,329.470 (meters) COMP AJ7994 Z - 4,052,304.879 (meters) COMP AJ7994 LAPLACE CORR- 0.98 (seconds) DEFLEC99 AJ7994 ELLIP HEIGHT- 68.41 (meters) (02/12/02) GPS OBS AJ7994 GEOID HEIGHT- -33.02 (meters) GEOID99 AJ7994 AJ7994 HORZ ORDER - A AJ7994 ELLP ORDER - FOURTH CLASS I AJ7994 AJ7994.The horizontal coordinates were established by GPS observations AJ7994.and adjusted by the National Geodetic Survey in February 2002. AJ7994 AJ7994.The orthometric height was determined by GPS observations and a AJ7994.high-resolution geoid model. AJ7994 AJ7994.The X, Y, and Z were computed from the position and the ellipsoidal ht. AJ7994 AJ7994.The Laplace correction was computed from DEFLEC99 derived deflections. AJ7994 AJ7994.The ellipsoidal height was determined by GPS observations AJ7994.and is referenced to NAD 83. AJ7994 AJ7994.The geoid height was determined by GEOID99. AJ7994 AJ7994; North East Units Scale Converg. AJ7994;SPC MD - 226,186.634 501,898.391 MT 1.00005286 +0 44 44.3 AJ7994;SPC MD - 742,080.65 1,646,644.97 sFT 1.00005286 +0 44 44.3 AJ7994;UTM 18 - 4,394,578.786 430,386.140 MT 0.99965966 -0 31 07.2 AJ7994 AJ7994 SUPERSEDED SURVEY CONTROL AJ7994 AJ7994.No superseded survey control is available for this station. AJ7994 AJ7994_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SVJ3038694579(NAD 83) AJ7994_MARKER: DD = SURVEY DISK AJ7994_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AJ7994_STAMPING: APPLE 2000 AJ7994_MARK LOGO: MDSHA AJ7994_MAGNETIC: N = NO MAGNETIC MATERIAL AJ7994_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AJ7994+STABILITY: SURFACE MOTION AJ7994_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AJ7994+SATELLITE: SATELLITE OBSERVATIONS - March 11, 2003 AJ7994 AJ7994 HISTORY - Date Condition Report By AJ7994 HISTORY - 2000 MONUMENTED MDSHA AJ7994 HISTORY - 20030311 GOOD USPSQD AJ7994 AJ7994 STATION DESCRIPTION AJ7994 AJ7994'DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 2000 (SFK) AJ7994'THE STATION IS LOCATED ABOUT 3.2 MILES (5.1 KM) WEST OF NEWARK AJ7994'DELAWARE, 6.5 MILES (10.5 KM) NORTH OF ELKTON, AND 13.3 MILES (21.4 AJ7994'KM) EAST OF RISING SUN. TO REACH THE STATION FROM THE INTERSECTION OF AJ7994'U.S.HIGHWAY 40 AND STATE HIGHWAY 213 IN ELKTON, GO NORTH ALONG STATE AJ7994'HIGHWAY 213 FOR 4.8 MILES (7.7 KM) TO A TRAFFIC CIRCLE, CONTINUE NORTH AJ7994'ALONG STATE HIGHWAY 213 FOR 2.9 MILES (4.7 KM) TO STATE HIGHWAY 273. AJ7994'TURN RIGHT AND GO EAST ALONG STATE HIGHWAY 273 FOR 2.95 MILES (4.75 AJ7994'KM) TO THE INTERSECTION WITH APPLETON ROAD. CONTINUE EAST ALONG STATE AJ7994'HIGHWAY 273 FOR 0.15 MILES (0.24 KM) TO THE STATION ON THE RIGHT. THE AJ7994'STATION IS A STANDARD MARYLAND STATE HIGHWAY SURVEY DISK SET IN THE AJ7994'TOP OF A 12 INCH ROUND CONCRETE MONUMENT WHICH IS FLUSH WITH THE AJ7994'SURFACE OF THE GROUND. IT IS 35.8 FEET (10.9 M) SOUTH OF THE CENTER AJ7994'LINE OF THE HIGHWAY, 42.0 FEET (12.8 M) EAST-SOUTHEAST OF THE EAST END AJ7994'OF A 12 INCH CONCRETE PIPE UNDER A FIELD ENTRANCE, 69.5 FEET (21.2 M) AJ7994'EAST OF TELEPHONE POLE NUMBER 204, 23.5 FEET (7.2 M) WEST OF THE AJ7994'PROJECTED WEST SIDE OF DWELLING NUMBER 5711 LOCATED ON THE NORTH SIDE AJ7994'OF THE HIGHWAY, AND LEVEL WITH THE SURFACE OF THE HIGHWAY. AJ7994 AJ7994 STATION RECOVERY (2003) AJ7994 AJ7994'RECOVERY NOTE BY US POWER SQUADRON 2003 (RG) AJ7994'RECOVERED IN GOOD CONDITION.