1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 DF6525 *********************************************************************** DF6525 DESIGNATION - BUCHMAN DF6525 PID - DF6525 DF6525 STATE/COUNTY- DC/DISTRICT OF COLUMBIA DF6525 USGS QUAD - WASHINGTON EAST (1979) DF6525 DF6525 *CURRENT SURVEY CONTROL DF6525 ___________________________________________________________________ DF6525* NAD 83(1991)- 38 55 05.46048(N) 076 56 35.66604(W) ADJUSTED DF6525* NAVD 88 - 8.8 (meters) 29. (feet) GPS OBS DF6525 ___________________________________________________________________ DF6525 X - 1,122,582.097 (meters) COMP DF6525 Y - -4,840,554.714 (meters) COMP DF6525 Z - 3,985,239.528 (meters) COMP DF6525 LAPLACE CORR- -4.73 (seconds) DEFLEC99 DF6525 ELLIP HEIGHT- -23.44 (meters) (07/23/03) GPS OBS DF6525 GEOID HEIGHT- -32.18 (meters) GEOID99 DF6525 DF6525 HORZ ORDER - B DF6525 ELLP ORDER - THIRD CLASS II DF6525 DF6525.The horizontal coordinates were established by GPS observations DF6525.and adjusted by the National Geodetic Survey in July 2003. DF6525 DF6525.The orthometric height was determined by GPS observations and a DF6525.high-resolution geoid model. DF6525 DF6525.The X, Y, and Z were computed from the position and the ellipsoidal ht. DF6525 DF6525.The Laplace correction was computed from DEFLEC99 derived deflections. DF6525 DF6525.The ellipsoidal height was determined by GPS observations DF6525.and is referenced to NAD 83. DF6525 DF6525.The geoid height was determined by GEOID99. DF6525 DF6525; North East Units Scale Converg. DF6525;UTM 18 - 4,309,492.491 331,530.896 MT 0.99994949 -1 13 15.8 DF6525 DF6525 SUPERSEDED SURVEY CONTROL DF6525 DF6525.No superseded survey control is available for this station. DF6525 DF6525_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ3153109492(NAD 83) DF6525_MARKER: DH = HORIZONTAL CONTROL DISK DF6525_SETTING: 37 = TOP OF BRIDGE ABUTMENT DF6525_STAMPING: BUCHMAN 2003 DF6525_MARK LOGO: NGS DF6525_MAGNETIC: N = NO MAGNETIC MATERIAL DF6525_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL DF6525_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR DF6525+SATELLITE: SATELLITE OBSERVATIONS - May 12, 2003 DF6525 DF6525 HISTORY - Date Condition Report By DF6525 HISTORY - 20030512 MONUMENTED NGS DF6525 DF6525 STATION DESCRIPTION DF6525 DF6525'DESCRIBED BY NATIONAL GEODETIC SURVEY 2003 (CSC) DF6525'THE MARK IS LOCATED JUST WITHIN THE BOUNDARY OF WASHINGTON, D.C., ON DF6525'THE WEST SIDE OF DF6525'THE U.S. ROUTE 50 ANACOSTIA RIVER BRIDGE WHERE THE ANACOSTIA RIVER DF6525'ENTERS D.C. DF6525' DF6525'TO REACH FROM THE INTERSECTION OF U.S. ROUTE 50 AND INTERSTATE 295 DF6525'(THE DF6525'BALTIMORE-WASHINGTON PARKWAY), GO WEST 0.6 KM (0.35 MI) ACROSS THE DF6525'ANACOSTIA RIVER TO DF6525'THE WEST BRIDGE ABUTMENT AND THE MARK ON THE RIGHT. DF6525' DF6525'THE STATION IS 2.6 KM (1.6 MI) EAST OF THE TURN-AROUND FOR THE DF6525'NATIONAL ARBORETUM, 2.6 DF6525'KM (1.6 MI) EAST OF THE INTERSECTION OF ROUTE 50 AND BLADENSBURG ROAD, DF6525'AND 2.3 KM (1.2 MI) DF6525'EAST OF THE ENTRANCE TO THE NATIONAL ARBORETUM. THE MARK IS SET IN DF6525'THE TOP OF THE DF6525'CAPSTONE OF THE EAST END OF THE NORTH-WEST ABUTMENT OF THE 6 LANE DF6525'ROUTE 50 BRIDGE DF6525'OVER THE ANACOSTIA RIVER. IT IS 1.5 M (5 FT) EAST OF A LAMP POST SET DF6525'ATOP THE SAME ABUTMENT DF6525'AND 0.6 M (2 FT) FROM THE EAST EDGE OF THE ABUTMENT. THE MARK IS A DF6525'STANDARD NGS DF6525'HORIZONTAL CONTROL DISK SET FLUSH IN THE CAPSTONE AND STAMPED BUCHMAN DF6525'2003. DF6525' DF6525' 1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 HV1379 *********************************************************************** HV1379 DESIGNATION - CUA 1 HV1379 PID - HV1379 HV1379 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV1379 USGS QUAD - WASHINGTON WEST (1983) HV1379 HV1379 *CURRENT SURVEY CONTROL HV1379 ___________________________________________________________________ HV1379* NAD 83(1986)- 38 56 08. (N) 077 00 03. (W) SCALED HV1379* NAVD 88 - 66.846 (meters) 219.31 (feet) ADJUSTED HV1379 ___________________________________________________________________ HV1379 GEOID HEIGHT- -32.02 (meters) GEOID99 HV1379 DYNAMIC HT - 66.811 (meters) 219.20 (feet) COMP HV1379 MODELED GRAV- 980,108.0 (mgal) NAVD 88 HV1379 HV1379 VERT ORDER - FIRST CLASS I HV1379 HV1379.The horizontal coordinates were scaled from a topographic map and have HV1379.an estimated accuracy of +/- 6 seconds. HV1379 HV1379.The orthometric height was determined by differential leveling HV1379.and adjusted by the National Geodetic Survey in June 1991. HV1379 HV1379.The geoid height was determined by GEOID99. HV1379 HV1379.The dynamic height is computed by dividing the NAVD 88 HV1379.geopotential number by the normal gravity value computed on the HV1379.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV1379.degrees latitude (g = 980.6199 gals.). HV1379 HV1379.The modeled gravity was interpolated from observed gravity values. HV1379 HV1379 SUPERSEDED SURVEY CONTROL HV1379 HV1379 NGVD 29 - 67.073 (m) 220.06 (f) ADJUSTED 1 1 HV1379 HV1379.Superseded values are not recommended for survey control. HV1379.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV1379.See file dsdata.txt to determine how the superseded data were derived. HV1379 HV1379_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ265115(NAD 83) HV1379_MARKER: DB = BENCH MARK DISK HV1379_SETTING: 30 = STEPS HV1379_STAMPING: CUA 1 1933 HV1379_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV1379_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV1379+SATELLITE: SATELLITE OBSERVATIONS - June 26, 2003 HV1379 HV1379 HISTORY - Date Condition Report By HV1379 HISTORY - 1933 MONUMENTED CGS HV1379 HISTORY - 1971 GOOD NGS HV1379 HISTORY - 20030626 GOOD GEOCAC HV1379 HV1379 STATION DESCRIPTION HV1379 HV1379'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV1379'AT WASHINGTON. HV1379'AT WASHINGTON, D.C., AT THE SUBDIVISION OF BROOKLAND, ON THE HV1379'CAMPUS OF THE CATHOLIC UNIVERSITY OF AMERICA, SET IN THE TOP HV1379'AND 1.0 FOOT SOUTH OF THE NORTH END OF THE TOP STEP AT THE HV1379'WEST ENTRANCE TO CALDWEL HALL, 6 FEET EAST OF THE BOTTOM STEP, HV1379'AND ABOUT 4 FEET ABOVE THE LEVEL OF THE GROUND. HV1379 HV1379 STATION RECOVERY (2003) HV1379 HV1379'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV1379'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 HV1378 *********************************************************************** HV1378 DESIGNATION - CUA 2 HV1378 PID - HV1378 HV1378 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV1378 USGS QUAD - WASHINGTON WEST (1983) HV1378 HV1378 *CURRENT SURVEY CONTROL HV1378 ___________________________________________________________________ HV1378* NAD 83(1986)- 38 55 54. (N) 077 00 00. (W) SCALED HV1378* NAVD 88 - 58.275 (meters) 191.19 (feet) ADJUSTED HV1378 ___________________________________________________________________ HV1378 GEOID HEIGHT- -32.02 (meters) GEOID99 HV1378 DYNAMIC HT - 58.245 (meters) 191.09 (feet) COMP HV1378 MODELED GRAV- 980,107.9 (mgal) NAVD 88 HV1378 HV1378 VERT ORDER - FIRST CLASS II HV1378 HV1378.The horizontal coordinates were scaled from a topographic map and have HV1378.an estimated accuracy of +/- 6 seconds. HV1378 HV1378.The orthometric height was determined by differential leveling HV1378.and adjusted by the National Geodetic Survey in June 1991. HV1378.WARNING-Repeat measurements at this control monument indicate possible HV1378.vertical movement. HV1378 HV1378.The geoid height was determined by GEOID99. HV1378 HV1378.The dynamic height is computed by dividing the NAVD 88 HV1378.geopotential number by the normal gravity value computed on the HV1378.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV1378.degrees latitude (g = 980.6199 gals.). HV1378 HV1378.The modeled gravity was interpolated from observed gravity values. HV1378 HV1378 SUPERSEDED SURVEY CONTROL HV1378 HV1378 NGVD 29 - 58.504 (m) 191.94 (f) ADJUSTED 1 2 HV1378 HV1378.Superseded values are not recommended for survey control. HV1378.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV1378.See file dsdata.txt to determine how the superseded data were derived. HV1378 HV1378_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ266110(NAD 83) HV1378_MARKER: DB = BENCH MARK DISK HV1378_SETTING: 30 = DOORSILL HV1378_STAMPING: CUA 2 1933 HV1378_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV1378_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV1378+SATELLITE: SATELLITE OBSERVATIONS - June 26, 2003 HV1378 HV1378 HISTORY - Date Condition Report By HV1378 HISTORY - 1933 MONUMENTED CGS HV1378 HISTORY - 1971 GOOD NGS HV1378 HISTORY - 20030626 GOOD GEOCAC HV1378 HV1378 STATION DESCRIPTION HV1378 HV1378'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV1378'AT WASHINGTON. HV1378'AT WASHINGTON, D.C., AT THE SUBDIVISION OF BROOKLAND, ON THE HV1378'CAMPUS OF THE CATHOLIC UNIVERSITY OF AMERICA, SET IN THE TOP HV1378'OF THE SOUTH END OF THE GRANITE DOORSILL AT THE WEST ENTRANCE HV1378'TO THE BASEMENT OF GIBBONS HALL, 50 FEET NORTH OF THE CENTER HV1378'LINE OF MICHIGAN AVENUE, AND ABOUT 3 1/2 FEET BELOW THE LEVEL HV1378'OF THE GROUND. HV1378 HV1378 STATION RECOVERY (2003) HV1378 HV1378'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV1378'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 HV0874 *********************************************************************** HV0874 DESIGNATION - G 5 HV0874 PID - HV0874 HV0874 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV0874 USGS QUAD - ANACOSTIA (1979) HV0874 HV0874 *CURRENT SURVEY CONTROL HV0874 ___________________________________________________________________ HV0874* NAD 83(1986)- 38 52 22. (N) 076 58 09. (W) SCALED HV0874* NAVD 88 - 15.924 (meters) 52.24 (feet) ADJUSTED HV0874 ___________________________________________________________________ HV0874 GEOID HEIGHT- -32.19 (meters) GEOID99 HV0874 DYNAMIC HT - 15.915 (meters) 52.21 (feet) COMP HV0874 MODELED GRAV- 980,090.6 (mgal) NAVD 88 HV0874 HV0874 VERT ORDER - FIRST CLASS I HV0874 HV0874.The horizontal coordinates were scaled from a topographic map and have HV0874.an estimated accuracy of +/- 6 seconds. HV0874 HV0874.The orthometric height was determined by differential leveling HV0874.and adjusted by the National Geodetic Survey in June 1991. HV0874 HV0874.The geoid height was determined by GEOID99. HV0874 HV0874.The dynamic height is computed by dividing the NAVD 88 HV0874.geopotential number by the normal gravity value computed on the HV0874.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV0874.degrees latitude (g = 980.6199 gals.). HV0874 HV0874.The modeled gravity was interpolated from observed gravity values. HV0874 HV0874 SUPERSEDED SURVEY CONTROL HV0874 HV0874 NGVD 29 - 16.161 (m) 53.02 (f) ADJUSTED 1 1 HV0874 HV0874.Superseded values are not recommended for survey control. HV0874.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV0874.See file dsdata.txt to determine how the superseded data were derived. HV0874 HV0874_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ291045(NAD 83) HV0874_MARKER: DB = BENCH MARK DISK HV0874_SETTING: 36 = BUILDING HV0874_STAMPING: G 5 1971 HV0874_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV0874_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV0874+SATELLITE: SATELLITE OBSERVATIONS - June 21, 2003 HV0874 HV0874 HISTORY - Date Condition Report By HV0874 HISTORY - 1971 MONUMENTED NGS HV0874 HISTORY - 20030621 GOOD GEOCAC HV0874 HV0874 STATION DESCRIPTION HV0874 HV0874'DESCRIBED BY NATIONAL GEODETIC SURVEY 1971 HV0874'AT WASHINGTON. HV0874'AT WASHINGTON, D.C., ABOUT 0.45 MILE SOUTHEAST ALONG PENNSYLVANIA HV0874'AVENUE FROM THE SOUTHEAST END OF THE JOHN PHILIP SOUSA BRIDGE HV0874'OVER THE ANACOSTIA RIVER, AT THE NORTHEAST ANGLE OF THE JUNCTION HV0874'OF SE 27TH AND SE O STREETS, SET VERTICALLY IN THE SOUTH BRICK HV0874'FACE AND 3.6 FEET EAST OF THE SOUTHWEST CORNER OF THE ST. FRANCIS HV0874'XAVIER SCHOOL BUILDING (2700 0 STREET SE), 29.9 FEET NORTH OF THE HV0874'NORTH CURB OF SE O STREET, 77.0 FEET NORTH AND ACROSS SE 0 STREET HV0874'FROM THE NORTHEAST CURB OF THE NORTHEAST LANES OF PENNSYLVANIA HV0874'AVENUE, 18.6 FEET EAST OF THE EAST CURB OF SE 27TH STREET, AND HV0874'ABOUT 2 1/2 FEET ABOVE THE LEVEL OF THE SIDEWALK. HV0874 HV0874 STATION RECOVERY (2003) HV0874 HV0874'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV0874'STATION IS ADJACENT TO CORNERSTONE, WHICH IS INSCRIBED AD 1939. 1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 HV9071 *********************************************************************** HV9071 DESIGNATION - GOLF HV9071 PID - HV9071 HV9071 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV9071 USGS QUAD - ALEXANDRIA (1994) HV9071 HV9071 *CURRENT SURVEY CONTROL HV9071 ___________________________________________________________________ HV9071* NAD 83(1993)- 38 51 43.92439(N) 077 01 01.86650(W) ADJUSTED HV9071* NAVD 88 - 3.505 (meters) 11.50 (feet) ADJUSTED HV9071 ___________________________________________________________________ HV9071 X - 1,117,209.723 (meters) COMP HV9071 Y - -4,845,797.576 (meters) COMP HV9071 Z - 3,980,399.000 (meters) COMP HV9071 LAPLACE CORR- -3.07 (seconds) DEFLEC99 HV9071 ELLIP HEIGHT- -28.65 (meters) (08/09/02) GPS OBS HV9071 GEOID HEIGHT- -32.12 (meters) GEOID99 HV9071 DYNAMIC HT - 3.503 (meters) 11.49 (feet) COMP HV9071 MODELED GRAV- 980,095.1 (mgal) NAVD 88 HV9071 HV9071 HORZ ORDER - FIRST HV9071 VERT ORDER - FIRST CLASS II HV9071 ELLP ORDER - FOURTH CLASS II HV9071 HV9071.The horizontal coordinates were established by GPS observations HV9071.and adjusted by the National Geodetic Survey in June 1994. HV9071 HV9071.The orthometric height was determined by differential leveling HV9071.and adjusted by the National Geodetic Survey in February 1993. HV9071 HV9071.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9071 HV9071.The Laplace correction was computed from DEFLEC99 derived deflections. HV9071 HV9071.The ellipsoidal height was determined by GPS observations HV9071.and is referenced to NAD 83. HV9071 HV9071.The geoid height was determined by GEOID99. HV9071 HV9071.The dynamic height is computed by dividing the NAVD 88 HV9071.geopotential number by the normal gravity value computed on the HV9071.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV9071.degrees latitude (g = 980.6199 gals.). HV9071 HV9071.The modeled gravity was interpolated from observed gravity values. HV9071 HV9071; North East Units Scale Converg. HV9071;SPC MD - 132,709.488 398,508.505 MT 0.99994988 -0 00 38.8 HV9071;SPC MD - 435,397.71 1,307,439.99 sFT 0.99994988 -0 00 38.8 HV9071;SPC VA N - 2,133,743.488 3,628,688.630 MT 0.99995748 +0 55 31.6 HV9071;UTM 18 - 4,303,418.628 324,982.333 MT 0.99997720 -1 15 57.6 HV9071 HV9071 SUPERSEDED SURVEY CONTROL HV9071 HV9071 ELLIP HT - -28.63 (m) (06/29/94) GP( ) 4 1 HV9071 NAD 83(1993)- 38 51 43.92442(N) 077 01 01.86649(W) AD( ) 1 HV9071 ELLIP HT - -28.63 (m) (04/04/94) GP( ) 4 1 HV9071 NAD 83(1991)- 38 51 43.92447(N) 077 01 01.86637(W) AD( ) 1 HV9071 ELLIP HT - -28.63 (m) (12/31/92) GP( ) 4 2 HV9071 NGVD 29 - 3.742 (m) 12.28 (f) ADJUSTED 1 2 HV9071 HV9071.Superseded values are not recommended for survey control. HV9071.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9071.See file dsdata.txt to determine how the superseded data were derived. HV9071 HV9071_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ2498203419(NAD 83) HV9071_MARKER: I = METAL ROD HV9071_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) HV9071_STAMPING: GOLF 1992 HV9071_MARK LOGO: NGS HV9071_PROJECTION: FLUSH HV9071_MAGNETIC: I = MARKER IS A STEEL ROD HV9071_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV9071_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV9071+SATELLITE: SATELLITE OBSERVATIONS - June 12, 2003 HV9071_ROD/PIPE-DEPTH: 13.4 meters HV9071_SLEEVE-DEPTH : 0.9 meters HV9071 HV9071 HISTORY - Date Condition Report By HV9071 HISTORY - 1992 MONUMENTED NGS HV9071 HISTORY - 19920513 GOOD NGS HV9071 HISTORY - 20010316 GOOD CHANCE HV9071 HISTORY - 20020929 GOOD JCLS HV9071 HISTORY - 20030612 GOOD DMW HV9071 HV9071 STATION DESCRIPTION HV9071 HV9071'DESCRIBED BY NATIONAL GEODETIC SURVEY 1992 HV9071'THE STATION IS LOCATED ABOUT 3.2 KM (1.99 MI) SOUTH FROM THE U.S. HV9071'CAPITOL BUILDING IN WASHINGTON, D.C., ON THE SOUTH END OF FORT MCNAIR, HV9071'IN THE CENTER OF A TRAFFIC CIRCLE IN THE MIDDLE OF A PAR THREE GOLF HV9071'COURSE. OWNERSHIP--U.S. ARMY, DIRECTORATE OF PUBLIC WORKS, HV9071'(ANTW-END), ATTENTION CHARLES R. CHALFANT, BUILDING 203, FORT MYERS, HV9071'ARLINGTON, VA. 22211-5050. TELEPHONE NUMBER 703-696-6730. HV9071'TO REACH THE STATION FROM THE JUNCTION OF INDEPENDENCE AVENUE AND HV9071'SOUTHWEST 12TH STREET IN DOWNTOWN WASHINGTON, D.C. GO SOUTH ON HV9071'SOUTHWEST 12TH STREET FOR 0.48 KM (0.30 MI) TO A TUNNEL. CONTINUE HV9071'SOUTHERLY ON MAINE AVENUE FOR 1.3 KM (0.81 MI) TO 4TH STREET. TURN HV9071'RIGHT, SOUTH, ON 4TH STREET FOR 0.64 KM (0.40 MI) TO P STREET AND THE HV9071'MAIN GATE TO FORT MCNAIR. PASS THROUGH GATE, SOUTH, FOR 0.16 KM HV9071'(0.10 MI) TO B STREET. TURN RIGHT, WEST, FOR 0.16 KM (0.10 MI) TO HV9071'SECOND AVENUE. TURN LEFT, SOUTH, ON SECOND STREET FOR 1.0 KM HV9071'(0.62 MI) TO E STREET. TURN LEFT, EAST, ON E STREET FOR 0.08 KM HV9071'(0.05 MI) TO A TRAFFIC CIRCLE AND THE STATION. HV9071'THE STATION IS SET 16.7 M (54.79 FT) EAST FROM A NO LEFT TURN SIGN AND HV9071'15.9 M (52.17 FT) WEST FROM AN ARTILLERY CANNON. HV9071 HV9071 STATION RECOVERY (1992) HV9071 HV9071'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 HV9071'0.5 KM (0.30 MI) SOUTHERLY AND WESTERLY ALONG B STREET FROM THE MAIN HV9071'GATE AT FORT MCNAIR, THENCE 1.0 KM (0.60 MI) SOUTHERLY ALONG 2ND HV9071'AVENUE, THENCE 0.1 KM (0.05 MI) EASTERLY ALONG E STREET TO A TRAFFIC HV9071'CIRCLE, 16.7 M (54.8 FT) EAST OF A SIGN (NO LEFT TURN), AND 15.9 M HV9071'(52.2 FT) WEST OF AN ARTILLERY PIECE. NOTE--ACCESS TO THE DATUM HV9071'POINT IS THROUGH A 5-INCH LOGO CAP. HV9071 HV9071 STATION RECOVERY (2001) HV9071 HV9071'RECOVERY NOTE BY JE CHANCE AND ASSOCIATES 2001 (CLG) HV9071'RECOVERED IN GOOD CONDITION. HV9071 HV9071 STATION RECOVERY (2002) HV9071 HV9071'RECOVERY NOTE BY JOHN CHANCE LAND SURVEYS INC 2002 (MRY) HV9071'THIS IS NOW A HIGH SECURITY AREA. EXTENSIVE VEHICLE AND PERSONAL HV9071'INSPECTIONS WILL BE REQUIRED TO GAIN ACCESS. HV9071 HV9071 STATION RECOVERY (2003) HV9071 HV9071'RECOVERY NOTE BY DAFT MCCUNE WALKER INCORPORATED 2003 (JMS) HV9071'THIS IS A HIGH SECURITY AREA AND EXTENSIVE VEHICLE AND PERSONAL HV9071'INFORMATION MUST BE SENT PRIOR TO ACCESS TO THE MILITARY GROUNDS. HV9071'INSPECTIONS WILL BE PERFORMED UPON ENTRY TO THE PROPERTY. 1 National Geodetic Survey, Retrieval Date = AUGUST 4, 2003 HV9070 *********************************************************************** HV9070 DESIGNATION - PARADE HV9070 PID - HV9070 HV9070 STATE/COUNTY- DC/DISTRICT OF COLUMBIA HV9070 USGS QUAD - ALEXANDRIA (1994) HV9070 HV9070 *CURRENT SURVEY CONTROL HV9070 ___________________________________________________________________ HV9070* NAD 83(1993)- 38 52 05.92511(N) 077 00 59.53877(W) ADJUSTED HV9070* NAVD 88 - 3.634 (meters) 11.92 (feet) ADJUSTED HV9070 ___________________________________________________________________ HV9070 X - 1,117,168.791 (meters) COMP HV9070 Y - -4,845,370.255 (meters) COMP HV9070 Z - 3,980,927.337 (meters) COMP HV9070 LAPLACE CORR- -3.12 (seconds) DEFLEC99 HV9070 ELLIP HEIGHT- -28.50 (meters) (08/09/02) GPS OBS HV9070 GEOID HEIGHT- -32.12 (meters) GEOID99 HV9070 DYNAMIC HT - 3.632 (meters) 11.92 (feet) COMP HV9070 MODELED GRAV- 980,096.2 (mgal) NAVD 88 HV9070 HV9070 HORZ ORDER - FIRST HV9070 VERT ORDER - FIRST CLASS II HV9070 ELLP ORDER - FOURTH CLASS II HV9070 HV9070.The horizontal coordinates were established by GPS observations HV9070.and adjusted by the National Geodetic Survey in June 1994. HV9070 HV9070.The orthometric height was determined by differential leveling HV9070.and adjusted by the National Geodetic Survey in February 1993. HV9070 HV9070.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9070 HV9070.The Laplace correction was computed from DEFLEC99 derived deflections. HV9070 HV9070.The ellipsoidal height was determined by GPS observations HV9070.and is referenced to NAD 83. HV9070 HV9070.The geoid height was determined by GEOID99. HV9070 HV9070.The dynamic height is computed by dividing the NAVD 88 HV9070.geopotential number by the normal gravity value computed on the HV9070.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV9070.degrees latitude (g = 980.6199 gals.). HV9070 HV9070.The modeled gravity was interpolated from observed gravity values. HV9070 HV9070; North East Units Scale Converg. HV9070;SPC MD - 133,387.878 398,564.745 MT 0.99994986 -0 00 37.4 HV9070;SPC MD - 437,623.40 1,307,624.50 sFT 0.99994986 -0 00 37.4 HV9070;SPC VA N - 2,134,422.711 3,628,733.779 MT 0.99995794 +0 55 33.1 HV9070;UTM 18 - 4,304,095.642 325,053.424 MT 0.99997689 -1 15 56.8 HV9070 HV9070 SUPERSEDED SURVEY CONTROL HV9070 HV9070 ELLIP HT - -28.48 (m) (06/29/94) GP( ) 4 1 HV9070 NAD 83(1993)- 38 52 05.92514(N) 077 00 59.53876(W) AD( ) 1 HV9070 ELLIP HT - -28.48 (m) (04/04/94) GP( ) 4 1 HV9070 NAD 83(1991)- 38 52 05.92519(N) 077 00 59.53864(W) AD( ) 1 HV9070 ELLIP HT - -28.48 (m) (12/31/92) GP( ) 4 2 HV9070 NGVD 29 - 3.870 (m) 12.70 (f) ADJUSTED 1 2 HV9070 HV9070.Superseded values are not recommended for survey control. HV9070.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9070.See file dsdata.txt to determine how the superseded data were derived. HV9070 HV9070_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ2505304096(NAD 83) HV9070_MARKER: I = METAL ROD HV9070_SETTING: 59 = STAINLESS STEEL ROD IN SLEEVE (10 FT.+) HV9070_STAMPING: PARADE 1992 HV9070_MARK LOGO: NGS HV9070_PROJECTION: RECESSED 9 CENTIMETERS HV9070_MAGNETIC: I = MARKER IS A STEEL ROD HV9070_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV9070_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV9070+SATELLITE: SATELLITE OBSERVATIONS - June 12, 2003 HV9070_ROD/PIPE-DEPTH: 17.7 meters HV9070_SLEEVE-DEPTH : 0.9 meters HV9070 HV9070 HISTORY - Date Condition Report By HV9070 HISTORY - 1992 MONUMENTED NGS HV9070 HISTORY - 19920513 GOOD NGS HV9070 HISTORY - 20030612 GOOD DMW HV9070 HV9070 STATION DESCRIPTION HV9070 HV9070'DESCRIBED BY NATIONAL GEODETIC SURVEY 1992 HV9070'THE STATION IS LOCATED ABOUT 2.4 KM (1.49 MI) SOUTH FROM THE U.S. HV9070'CAPITOL BUILDING IN WASHINGTON, D.C., IN THE MIDDLE OF THE FORT HV9070'MCNAIR PARADE GROUND. OWNERSHIP--U.S. ARMY, DIRECTORATE OF PUBLIC HV9070'WORKS, (ANTW-END), ATTENTION CHARLES R. CHALFANT, BUILDING 203, FORT HV9070'MYERS, ARLINGTON, VA 22211-5050. TELEPHONE NUMBER 703-696-6730. HV9070'TO REACH THE STATION FROM THE JUNCTION OF INDEPENDENCE AVENUE AND HV9070'SOUTHWEST 12TH STREET IN DOWNTOWN WASHINGTON, D.C., GO SOUTH ON HV9070'SOUTHWEST 12TH STREET FOR 0.48 KM (0.30 MI) TO A TUNNEL. CONTINUE HV9070'SOUTHERLY ON MAIN AVEUNE FOR 1.3 KM (0.81 MI) TO 4TH STREET. TURN HV9070'RIGHT, SOUTH, ON 4TH STREET FOR 0.5 KM (0.31 MI) TO P STREET AND THE HV9070'MAIN GATE TO FORT MCNAIR. PASS THROUGH GATE, SOUTH, ON B STREET FOR HV9070'0.16 KM. TURN RIGHT, WEST, ON B STREET FOR 0.16 KM (0.10 MI) TO 2ND HV9070'AVENUE. TURN LEFT, SOUTH, ON 2ND AVENUE FOR 0.32 KM (0.20 MI) TO A HV9070'PAVED ROAD LEFT. TURN LEFT, EAST, FOR 0.16 KM (0.10 MI) TO FOURTH HV9070'AVENUE. TURN LEFT, NORTH, ON FOURTH AVENUE FOR 0.32 KM (0.20 MI) TO HV9070'THE STATION ON THE LEFT IN THE PARADE FIELD. HV9070'THE STATION IS LOCATED 43.0 M (141.08 FT) WEST FROM THE CENTERLINE OF HV9070'FOURTH AVENUE AND 108 M (354.33 FT) EAST FROM THE REVIEWING STAND. HV9070 HV9070 STATION RECOVERY (1992) HV9070 HV9070'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 HV9070'0.5 KM (0.30 MI) SOUTHERLY AND WESTERLY ALONG B STREET FROM THE MAIN HV9070'GATE AT FORT MCNAIR, THENCE 0.3 KM (0.20 MI) SOUTHERLY ALONG 2ND HV9070'AVENUE, THENCE 0.2 KM (0.10 MI) EASTERLY ALONG A PAVED ROAD, THENCE HV9070'0.3 KM (0.20 MI) NORTHERLY ALONG 4TH AVENUE, 108.0 M (354.3 FT) EAST HV9070'OF A REVIEWING STAND, AND 43.0 M (141.1 FT) WEST OF THE AVENUE HV9070'CENTERLINE. NOTE--ACCESS TO THE DATUM POINT IS THROUGH A 5-INCH LOGO HV9070'CAP. HV9070 HV9070 STATION RECOVERY (2003) HV9070 HV9070'RECOVERY NOTE BY DAFT MCCUNE WALKER INCORPORATED 2003 (JMS) HV9070'THIS IS A HIGH SECURITY AREA AND EXTENSIVE VEHICLE AND PERSONAL HV9070'INFORMATION MUST BE SENT PRIOR TO ACCESS TO THE MILITARY GROUNDS. HV9070'INSPECTIONS WILL BE PERFORMED UPON ENTRY TO THE PROPERTY.