1 National Geodetic Survey, Retrieval Date = SEPTEMBER 3, 2003 AA8316 *********************************************************************** AA8316 DESIGNATION - 19892 AA8316 PID - AA8316 AA8316 STATE/COUNTY- MD/MONTGOMERY AA8316 USGS QUAD - WASHINGTON WEST (1983) AA8316 AA8316 *CURRENT SURVEY CONTROL AA8316 ___________________________________________________________________ AA8316* NAD 83(1991)- 38 58 21.60322(N) 077 05 22.43989(W) ADJUSTED AA8316* NAVD 88 - 106.1 (meters) 348. (feet) GPS OBS AA8316 ___________________________________________________________________ AA8316 X - 1,109,383.799 (meters) COMP AA8316 Y - -4,839,774.032 (meters) COMP AA8316 Z - 3,990,005.160 (meters) COMP AA8316 LAPLACE CORR- -2.66 (seconds) DEFLEC99 AA8316 ELLIP HEIGHT- 74.25 (meters) (08/30/02) GPS OBS AA8316 GEOID HEIGHT- -31.86 (meters) GEOID99 AA8316 AA8316 HORZ ORDER - FIRST AA8316 ELLP ORDER - FOURTH CLASS II AA8316 AA8316.The horizontal coordinates were established by GPS observations AA8316.and adjusted by the National Geodetic Survey in September 1995. AA8316 AA8316.The orthometric height was determined by GPS observations and a AA8316.high-resolution geoid model. AA8316 AA8316.The X, Y, and Z were computed from the position and the ellipsoidal ht. AA8316 AA8316.The Laplace correction was computed from DEFLEC99 derived deflections. AA8316 AA8316.The ellipsoidal height was determined by GPS observations AA8316.and is referenced to NAD 83. AA8316 AA8316.The geoid height was determined by GEOID99. AA8316 AA8316; North East Units Scale Converg. AA8316;SPC MD - 144,975.845 392,238.560 MT 0.99995127 -0 03 22.4 AA8316;SPC MD - 475,641.58 1,286,869.34 sFT 0.99995127 -0 03 22.4 AA8316;UTM 18 - 4,315,820.051 318,982.696 MT 1.00000349 -1 18 52.5 AA8316 AA8316 SUPERSEDED SURVEY CONTROL AA8316 AA8316 ELLIP HT - 74.18 (m) (09/29/95) GP( ) 4 2 AA8316 AA8316.Superseded values are not recommended for survey control. AA8316.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA8316.See file dsdata.txt to determine how the superseded data were derived. AA8316 AA8316_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ1898315820(NAD 83) AA8316_MARKER: DD = SURVEY DISK AA8316_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AA8316_STAMPING: 19892 AA8316_MARK LOGO: WSSC AA8316_MAGNETIC: B = BAR MAGNET IMBEDDED IN MONUMENT AA8316_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AA8316+STABILITY: SURFACE MOTION AA8316_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA8316+SATELLITE: SATELLITE OBSERVATIONS - 1994 AA8316 AA8316 HISTORY - Date Condition Report By AA8316 HISTORY - 1994 MONUMENTED WSSC AA8316 HISTORY - 20020311 MARK NOT FOUND USPSQD AA8316 HISTORY - 20030724 GOOD GEOCAC AA8316 AA8316 STATION DESCRIPTION AA8316 AA8316'DESCRIBED BY WASH SUBURB SAN COMM 1994 (AD) AA8316'TO REACH THE STATION FROM THE INTERSECTION OF I-495 AND RIVER ROAD AA8316'(EXIT-39), PROCEED EASTERLY ON RIVER ROAD FOR 2.2 MI (3.5 KM) TO THE AA8316'INTERSECTION WITH GOLDSBORO ROAD. TURN LEFT AND PROCEED NORTHERLY ON AA8316'GOLDSBORO ROAD FOR 0.8 MI (1.3 KM) TO THE INTERSECTION WITH BRADLEY AA8316'BLVD. TURN RIGHT AND PROCEED EASTERLY ON BRADLEY BLVD FOR 0.8 MI (1.3 AA8316'KM) TO THE INTERSECTION WITH WISCONSIN AVENUE. TURN RIGHT AND PROCEED AA8316'SOUTHERLY ON WISCONSIN AVENUE FOR 0.3 MI (0.5 KM) TO THE INTERSECTION AA8316'WITH MORGAN DRIVE ON THE RIGHT AND THE STATION ON THE LEFT AT THE AA8316'NORTHERN END OF THE GRASS MEDIAN. AA8316' AA8316'THE STATION IS LOCATED 5.25 FT (1.60 M) EAST OF BACK OF CURB OF AA8316'EASTERN EDGE OF SOUTHBOUND LANE, 8.8 FT (2.7 M) WEST OF BACK OF CURB AA8316'OF WESTERN EDGE OF NORTH BOUND LANE, AND 3.2 FT (1.0 M) NORTH OF A AA8316'WHITE CARSONITE WITNESS POST. AA8316 AA8316 STATION RECOVERY (2002) AA8316 AA8316'RECOVERY NOTE BY US POWER SQUADRON 2002 (JJS) AA8316'MARK NOT FOUND. AA8316 AA8316 STATION RECOVERY (2003) AA8316 AA8316'RECOVERY NOTE BY GEOCACHING 2003 (APC) AA8316'WITNESS POST MENTIONED IN 1994 DESCRIPTION WAS NOT FOUND. STATION IS AA8316'APPROXIMATELY 6 FEET NORTH OF THE CONTINUATION OF THE CENTERLINE OF AA8316'THE WALKWAY LEADING TO THE RESIDENCE AT 6312 WISCONSIN AVENUE. THE AA8316'DISK IS ALSO ABOUT 3 FEET NORTH OF A TREE.