1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2771 *********************************************************************** HV2771 DESIGNATION - AH 11 RESET 1959 HV2771 PID - HV2771 HV2771 STATE/COUNTY- VA/FAIRFAX HV2771 USGS QUAD - VIENNA (1994) HV2771 HV2771 *CURRENT SURVEY CONTROL HV2771 ___________________________________________________________________ HV2771* NAD 83(1993)- 38 56 42.77814(N) 077 19 27.74976(W) ADJUSTED HV2771* NAVD 88 - 117.41 (meters) 385.2 (feet) RESET HV2771 ___________________________________________________________________ HV2771 LAPLACE CORR- 0.84 (seconds) DEFLEC99 HV2771 GEOID HEIGHT- -31.74 (meters) GEOID99 HV2771 HV2771 HORZ ORDER - THIRD HV2771 VERT ORDER - THIRD HV2771 HV2771.The horizontal coordinates were established by classical geodetic methods HV2771.and adjusted by the National Geodetic Survey in November 1994. HV2771.No horizontal observational check was made to the station. HV2771 HV2771.The orthometric height was computed from unverified reset data. HV2771.No vertical observational check was made to the station. HV2771 HV2771.The Laplace correction was computed from DEFLEC99 derived deflections. HV2771 HV2771.The geoid height was determined by GEOID99. HV2771 HV2771; North East Units Scale Converg. HV2771;SPC VA N - 2,142,572.147 3,601,912.276 MT 0.99996470 +0 44 01.4 HV2771;UTM 18 - 4,313,266.326 298,561.466 MT 1.00009968 -1 27 41.5 HV2771 HV2771 SUPERSEDED SURVEY CONTROL HV2771 HV2771 NAD 83(1993)- 38 56 42.77681(N) 077 19 27.75135(W) AD( ) 3 HV2771 NAD 83(1986)- 38 56 42.77668(N) 077 19 27.76096(W) AD( ) 3 HV2771 NAD 27 - 38 56 42.37902(N) 077 19 28.81129(W) AD( ) 3 HV2771 NGVD 29 (??/??/??) 117.64 (m) 386.0 (f) RESET 3 HV2771 HV2771.Superseded values are not recommended for survey control. HV2771.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2771.See file dsdata.txt to determine how the superseded data were derived. HV2771 HV2771_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ9856113266(NAD 83) HV2771_MARKER: DE = TRAVERSE STATION DISK HV2771_SETTING: 30 = CONC TILE HV2771_STAMPING: AH 11 1959 RESET HV2771_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2771 HV2771 HISTORY - Date Condition Report By HV2771 HISTORY - 1959 MONUMENTED CGS HV2771 HISTORY - 1959 GOOD CGS HV2771 HISTORY - 19970215 MARK NOT FOUND USPSQD HV2771 HV2771 STATION DESCRIPTION HV2771 HV2771'DESCRIBED BY COAST AND GEODETIC SURVEY 1959 (IYF) HV2771'STATION IS LOCATED 0.2 MILES SE ALONG THE W AND O.D.R.R. HV2771'FROM CROSSING AT PINECREST, THENCE APPROX. 450 FEET E OF THE HV2771'CENTERLINE OF THE RAILROAD. HV2771' HV2771'IT IS A STANDARD TRAVERSE DISK STAMPED AH-11 RESET 1959 AND HV2771'SET IN THE TOP OF A 6-INCH CONCRETE TILE FILLED WITH CONCRETE HV2771'AND PROJECTING 5 INCHES ABOVE GROUND. ABOUT 200 FT. N OF HV2771'CENTERLINE OF DULLES INTERNATIONAL AIRPORT ACCESS HWY., 59 FT. HV2771'E OF A 12 IN. PINE, 48 FT. W OF A 16 IN. OAK AND 3 FT. S OF HV2771'A STEEL FENCE POST WITH WITNESS MARK ATTACHED. HV2771 HV2771 STATION RECOVERY (1959) HV2771 HV2771'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1959 HV2771'0.2 MI SE FROM PINECREST. HV2771'0.2 MILES SOUTHEAST ALONG THE WASHINGTON AND OLD DOMINION HV2771'RAILROAD FROM THE CROSSING AT PINECREST THENCE ABOUT 450 FEET HV2771'EAST OF THE CENTERLINE OF THE RAILROAD. MARK IS 200 FEET NORTH HV2771'OF THE PROPOSED CENTERLINE OF THE CHANTILLY AIRPORT ACCESS ROAD, HV2771'48 FEET WEST OF A 16 INCH OAK AND 59 FEET EAST OF A 12 INCH HV2771'PINE TREE, SET IN THE TOP OF A 6 INCH CONCRETE-FILLED TILE HV2771'PROJECTING 5 INCHES ABOVE THE LEVEL OF THE GROUND. MARK IS HV2771'3 FEET SOUTH OF A STEEL POST WITH WITNESS MARK PLATE ATTACHED. HV2771 HV2771 STATION RECOVERY (1997) HV2771 HV2771'RECOVERY NOTE BY US POWER SQUADRON 1997 HV2771'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV8342 *********************************************************************** HV8342 DESIGNATION - BLAKE HV8342 PID - HV8342 HV8342 STATE/COUNTY- VA/FAIRFAX HV8342 USGS QUAD - FAIRFAX (1994) HV8342 HV8342 *CURRENT SURVEY CONTROL HV8342 ___________________________________________________________________ HV8342* NAD 83(1993)- 38 45 49.73278(N) 077 18 38.68317(W) ADJUSTED HV8342* NAVD 88 - 114. (meters) 374. (feet) VERTCON HV8342 ___________________________________________________________________ HV8342 LAPLACE CORR- -1.39 (seconds) DEFLEC99 HV8342 GEOID HEIGHT- -31.94 (meters) GEOID99 HV8342 HV8342 HORZ ORDER - SECOND HV8342 HV8342.The horizontal coordinates were established by classical geodetic methods HV8342.and adjusted by the National Geodetic Survey in November 1994. HV8342.No horizontal observational check was made to the station. HV8342 HV8342.The NAVD 88 height was computed by applying the VERTCON shift value to HV8342.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV8342 HV8342.The Laplace correction was computed from DEFLEC99 derived deflections. HV8342 HV8342.The geoid height was determined by GEOID99. HV8342 HV8342; North East Units Scale Converg. HV8342;SPC VA N - 2,122,452.043 3,603,354.586 MT 0.99995164 +0 44 32.0 HV8342;UTM 18 - 4,293,102.939 299,233.123 MT 1.00009637 -1 26 50.2 HV8342 HV8342 SUPERSEDED SURVEY CONTROL HV8342 HV8342 NAD 83(1993)- 38 45 49.73138(N) 077 18 38.68836(W) AD( ) 2 HV8342 NAD 83(1986)- 38 45 49.73176(N) 077 18 38.69642(W) AD( ) 2 HV8342 NGVD 29 (01/12/90) 114. (m) 374. (f) VERT ANG HV8342 HV8342.Superseded values are not recommended for survey control. HV8342.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8342.See file dsdata.txt to determine how the superseded data were derived. HV8342 HV8342_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH9923393103(NAD 83) HV8342_MARKER: DD = SURVEY DISK HV8342_SETTING: 4 = IRREGULAR CONCRETE MASS HV8342_STAMPING: BLAKE 1969 HV8342_MARK LOGO: VA-059 HV8342_MAGNETIC: O = OTHER; SEE DESCRIPTION HV8342_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV8342_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV8342+SATELLITE: SATELLITE OBSERVATIONS - October 02, 2003 HV8342 HV8342 HISTORY - Date Condition Report By HV8342 HISTORY - 1969 MONUMENTED VA-059 HV8342 HISTORY - 1969 GOOD VA-059 HV8342 HISTORY - 1974 GOOD VA-059 HV8342 HISTORY - 19920120 GOOD MSI HV8342 HISTORY - 19970215 MARK NOT FOUND USPSQD HV8342 HISTORY - 20031002 GOOD GEOCAC HV8342 HV8342 STATION DESCRIPTION HV8342 HV8342'DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1969 (HWC) HV8342'THE STATION WAS RECOVERED IN GOOD CONDITION AND A DESCRIPTION HV8342'FOLLOWS. HV8342' HV8342'THE STATION IS LOCATED ON THE BURKE LAKE GOLF COURSE ALONG ROUTE 123, HV8342'1300 FEET SOUTHEAST OF INTERSECTION OF BURKE LAKE ROAD, ROUTE 645, HV8342'AND OX ROAD, ROUTE 123, AT THE BURKE LAKE PARK. HV8342' HV8342'THE STATION IS 21.6 FEET SOUTHEAST OF POLE IS34, 52.1 FEET NORTH OF A HV8342'V.D.H. MONUMENT, 44.5 FEET EAST AND ABOUT 5.0 FEET HIGHER THAN HV8342'THE CENTER OF OX ROAD OPPOSITE STATION. HV8342' HV8342'THE STATION IS A STANDARD FAIRFAX COUNTY DEPARTMENT OF PUBLIC WORKS HV8342'DISK STAMPED---BLAKE 1969---. HV8342' HV8342'THE AZMUTH MARK IS ABOUT 1200 FEET NORTHEAST OF STATION ON TOP OF A HV8342'SMALL HILL SOUTH OF A SWALE ALONG THE EDGE OF THE GOLF COURSE. HV8342 HV8342 STATION RECOVERY (1969) HV8342 HV8342'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1969 HV8342'RECOVERED IN GOOD CONDITION. HV8342 HV8342 STATION RECOVERY (1974) HV8342 HV8342'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1974 (EYB) HV8342'THE STATION WAS RECOVERED IN GOOD CONDITION AS PER THE ORIGINAL HV8342'DESCRIPTION. HV8342' HV8342'A FOUR-MAN PARTY WAS UNABLE TO RECOVER THE AZ MK ON TWO OCCASIONS. HV8342'THE AZ MK PLOTS ON GOLF COURSE. CONTACT WAS MADE WITH THE GROUNDS HV8342'MAINTENANCE PERSONNEL. IT WAS LEARNED THAT THERE HAS BEEN NO NEW HV8342'CONSTRUCTION ON THE GROUNDS SINCE 1969, THEREFORE, IT IS ASSUMED THAT HV8342'THE AZ MK IS IN. HV8342 HV8342 STATION RECOVERY (1992) HV8342 HV8342'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV8342'THE STATION IS LOCATED ON THE BURKE LAKE GOLF COURSE ALONG ROUTE 123, HV8342'1300 FEET (396.2 M) SOUTHEAST OF INTERSECTION OF BURKE LAKE ROAD, HV8342'ROUTE 645, AND OX ROAD, ROUTE 123, AT THE BURKE LAKE PARK. 21.6 FEET HV8342'(6.6 M) SOUTHEAST OF POLE IS34, 52.1 FEET (15.9 M) NORTH OF A V.D.H. HV8342'MONUMENT, 44.5 FEET (13.6 M) EAST AND 5.0 FEET (1.5 M) HIGHER THAN HV8342'THE CENTER OF OX ROAD OPPOSITE STATION. HV8342 HV8342 STATION RECOVERY (1997) HV8342 HV8342'RECOVERY NOTE BY US POWER SQUADRON 1997 HV8342'MARK NOT FOUND. HV8342 HV8342 STATION RECOVERY (2003) HV8342 HV8342'RECOVERY NOTE BY GEOCACHING 2003 (WD) HV8342'RTE 123 HAS BEEN UPGRADED TO FOUR-LANE DIVIDED HIGHWAY, AND NEW TO HV8342'REACH INSTRUCTIONS APPLY. THE STATION IS LOCATED ON THE BURKE LAKE HV8342'GOLF COURSE ALONG RTE 123 (OX ROAD), .27 MILES (.44 KM) SOUTHEAST OF HV8342'THE INTERSECTION OF RTE 123 AND COUNTY RTE 645 (BURKE LAKE ROAD) AND HV8342'496 FEET (151.2 M) NORTHWEST OF THE CENTERLINE OF THE DRIVEWAY HV8342'ENTRANCE TO BURKE LAKE GOLF CENTER. HV8342'69.5 FEET ( 21.2 M) ENE OF THE EAST EDGE OF THE PAVEMENT OF THE HV8342'NORTHBOUND LANES OF RTE 123, 45.5 FEET (13.9 M) ENE OF THE EAST EDGE HV8342'OF A PAVED PATH THAT PARALLELS RTE 123, 20.75 FEET (6.3 M) NNE OF A 12 HV8342'INCH CEDAR TREE, 20 FEET (6.1 M) EAST OF UTILITY POLE CO412/NK34, 22.5 HV8342'FEET (6.9 M) WEST OF A SEVEN-INCH MAGNOLIA TREE, AND ABOUT FIVE FEET HV8342'HIGHER THAN THE CENTER OF THE NORTHBOUND LANES OF RTE 123 OPPOSITE HV8342'STATION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV8820 *********************************************************************** HV8820 DESIGNATION - BUSH RM 3 HV8820 PID - HV8820 HV8820 STATE/COUNTY- VA/FAIRFAX HV8820 USGS QUAD - ALEXANDRIA (1994) HV8820 HV8820 *CURRENT SURVEY CONTROL HV8820 ___________________________________________________________________ HV8820* NAD 83(1986)- 38 47 29. (N) 077 07 25. (W) SCALED HV8820* NAVD 88 - 77.33 (meters) 253.7 (feet) RESET HV8820 ___________________________________________________________________ HV8820 GEOID HEIGHT- -32.09 (meters) GEOID99 HV8820 HV8820 VERT ORDER - THIRD HV8820 HV8820.The horizontal coordinates were scaled from a topographic map and have HV8820.an estimated accuracy of +/- 6 seconds. HV8820 HV8820.The orthometric height was computed from unverified reset data. HV8820.No vertical observational check was made to the station. HV8820 HV8820.The geoid height was determined by GEOID99. HV8820 HV8820; North East Units Estimated Accuracy HV8820;SPC VA N - 2,125,740. 3,619,570. MT (+/- 180 meters Scaled) HV8820 HV8820 SUPERSEDED SURVEY CONTROL HV8820 HV8820 NGVD 29 (10/07/03) 77.59 (m) 254.6 (f) RESET 3 HV8820 HV8820.Superseded values are not recommended for survey control. HV8820.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8820.See file dsdata.txt to determine how the superseded data were derived. HV8820 HV8820_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH155957(NAD 83) HV8820_MARKER: DR = REFERENCE MARK DISK HV8820_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV8820_STAMPING: BUSH 1957 NO 3 1969 HV8820_MARK LOGO: CGS HV8820_PROJECTION: PROJECTING 4 CENTIMETERS HV8820_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV8820+STABILITY: SURFACE MOTION HV8820 HV8820 HISTORY - Date Condition Report By HV8820 HISTORY - 1969 MONUMENTED CGS HV8820 HISTORY - 1983 GOOD NGS HV8820 HISTORY - 19970215 MARK NOT FOUND USPSQD HV8820 HV8820 STATION DESCRIPTION HV8820 HV8820'DESCRIBED BY NATIONAL GEODETIC SURVEY 1983 HV8820'6.4 KM (4.00 MI) SW FROM SPRINGFIELD. HV8820'3.4 MILES EAST ON FRANCONIA ROAD, COUNTY ROUTE 644, FROM THE JUNCTION HV8820'WITH BACKLICK ROAD, COUNTY ROUTE 617, IN SPRINGFIELD TO WESTCHESTER HV8820'ROAD, COUNTY ROUTE 782, ON THE LEFT, THENCE NORTHERLY ON WESTCHESTER HV8820'ROAD FOR 0.3 MILE TO THE BUSH HILL SCHOOL PARKING LOT, THENCE HV8820'NORTHEAST ACROSS SCHOOL PLAYGROUND FOR ABOUT 400 FEET TO THE HV8820'NORTHEAST CORNER OF PLAYGROUND AND THE MARK, 0.76 METERS SOUTH OF A HV8820'10-FOOT HIGH STAKE FENCE, 5.49 METERS EAST OF A ROUND, FENCE CORNER HV8820'POST AND 20.92 METERS NORTHWEST OF THE NORTH-MOST METAL POST OF A HV8820'BASEBALL BACKSTOP. HV8820 HV8820 STATION RECOVERY (1997) HV8820 HV8820'RECOVERY NOTE BY US POWER SQUADRON 1997 HV8820'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV8821 *********************************************************************** HV8821 DESIGNATION - BUSH RM 4 HV8821 PID - HV8821 HV8821 STATE/COUNTY- VA/FAIRFAX HV8821 USGS QUAD - ALEXANDRIA (1994) HV8821 HV8821 *CURRENT SURVEY CONTROL HV8821 ___________________________________________________________________ HV8821* NAD 83(1986)- 38 47 29. (N) 077 07 25. (W) SCALED HV8821* NAVD 88 - 76.26 (meters) 250.2 (feet) RESET HV8821 ___________________________________________________________________ HV8821 GEOID HEIGHT- -32.09 (meters) GEOID99 HV8821 HV8821 VERT ORDER - THIRD HV8821 HV8821.The horizontal coordinates were scaled from a topographic map and have HV8821.an estimated accuracy of +/- 6 seconds. HV8821 HV8821.The orthometric height was computed from unverified reset data. HV8821.No vertical observational check was made to the station. HV8821 HV8821.The geoid height was determined by GEOID99. HV8821 HV8821; North East Units Estimated Accuracy HV8821;SPC VA N - 2,125,740. 3,619,570. MT (+/- 180 meters Scaled) HV8821 HV8821 SUPERSEDED SURVEY CONTROL HV8821 HV8821 NGVD 29 (10/07/03) 76.52 (m) 251.0 (f) RESET 3 HV8821 HV8821.Superseded values are not recommended for survey control. HV8821.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8821.See file dsdata.txt to determine how the superseded data were derived. HV8821 HV8821_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH155957(NAD 83) HV8821_MARKER: DR = REFERENCE MARK DISK HV8821_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV8821_STAMPING: BUSH 1957 NO 4 1969 HV8821_MARK LOGO: CGS HV8821_PROJECTION: PROJECTING 4 CENTIMETERS HV8821_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV8821+STABILITY: SURFACE MOTION HV8821 HV8821 HISTORY - Date Condition Report By HV8821 HISTORY - 1969 MONUMENTED CGS HV8821 HISTORY - 1983 GOOD NGS HV8821 HISTORY - 19970215 MARK NOT FOUND USPSQD HV8821 HV8821 STATION DESCRIPTION HV8821 HV8821'DESCRIBED BY NATIONAL GEODETIC SURVEY 1983 HV8821'6.4 KM (4.00 MI) SW FROM SPRINGFIELD. HV8821'3.4 MILES EAST ON FRANCONIA ROAD, COUNTY ROUTE 644, FROM THE JUNCTION HV8821'WITH BACKLICK ROAD, COUNTY ROUTE 617, IN SPRINGFIELD, TO WESTCHESTER HV8821'ROAD, COUNTY ROUTE 782, ON THE LEFT, THENCE NORTH ON WESTCHESTER ROAD HV8821'FOR 0.3 MILE TO BUSH HILL SCHOOL PARKING LOT, THENCE NORTH ALONG THE HV8821'WEST EDGE OF THE SCHOOL PLAYGROUND FOR ABOUT 400 FEET TO THE MARK, HV8821'0.55 METERS EAST OF A 3-FOOT HIGH CHAINLINK FENCE, AND 4.36 METERS HV8821'NORTH OF A 20-INCH OAK TREE WHICH IS ABOUT ONE HALF FOOT FROM THE HV8821'FENCE. HV8821'THE MARK IS 0.6 METERS S FROM A WITNESS POST HV8821 HV8821 STATION RECOVERY (1997) HV8821 HV8821'RECOVERY NOTE BY US POWER SQUADRON 1997 HV8821'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV8822 *********************************************************************** HV8822 DESIGNATION - BUSH RM 5 HV8822 PID - HV8822 HV8822 STATE/COUNTY- VA/FAIRFAX HV8822 USGS QUAD - ALEXANDRIA (1994) HV8822 HV8822 *CURRENT SURVEY CONTROL HV8822 ___________________________________________________________________ HV8822* NAD 83(1986)- 38 47 29. (N) 077 07 25. (W) SCALED HV8822* NAVD 88 - 77.44 (meters) 254.1 (feet) RESET HV8822 ___________________________________________________________________ HV8822 GEOID HEIGHT- -32.09 (meters) GEOID99 HV8822 HV8822 VERT ORDER - THIRD HV8822 HV8822.The horizontal coordinates were scaled from a topographic map and have HV8822.an estimated accuracy of +/- 6 seconds. HV8822 HV8822.The orthometric height was computed from unverified reset data. HV8822.No vertical observational check was made to the station. HV8822 HV8822.The geoid height was determined by GEOID99. HV8822 HV8822; North East Units Estimated Accuracy HV8822;SPC VA N - 2,125,740. 3,619,570. MT (+/- 180 meters Scaled) HV8822 HV8822 SUPERSEDED SURVEY CONTROL HV8822 HV8822 NGVD 29 (10/07/03) 77.70 (m) 254.9 (f) RESET 3 HV8822 HV8822.Superseded values are not recommended for survey control. HV8822.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8822.See file dsdata.txt to determine how the superseded data were derived. HV8822 HV8822_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH155957(NAD 83) HV8822_MARKER: DR = REFERENCE MARK DISK HV8822_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV8822_STAMPING: BUSH 1957 NO 5 1983 HV8822_MARK LOGO: NGS HV8822_PROJECTION: RECESSED 2 CENTIMETERS HV8822_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV8822+STABILITY: SURFACE MOTION HV8822 HV8822 HISTORY - Date Condition Report By HV8822 HISTORY - 1983 MONUMENTED NGS HV8822 HISTORY - 19970215 MARK NOT FOUND USPSQD HV8822 HV8822 STATION DESCRIPTION HV8822 HV8822'DESCRIBED BY NATIONAL GEODETIC SURVEY 1983 HV8822'6.4 KM (4.00 MI) SW FROM SPRINGFIELD. HV8822'3.4 MILES EAST ON FRANCONIA ROAD, COUNTY ROUTE 644, FROM THE JUNCTION HV8822'WITH BACKLICK ROAD, COUNTY ROUTE 617, IN SPRINGFIELD, TO WESTCHESTER HV8822'ROAD, COUNTY ROUTE 782, ON THE LEFT, THENCE NORTHERLY ON WESTCHESTER HV8822'ROAD FOR 0.3 MILE TO THE BUSH HILL SCHOOL PARKING LOT, THENCE HV8822'NORTHEAST ACROSS THE SCHOOL PLAYGROUND FOR ABOUT 400 FEET TO THE HV8822'MARK, 6.25 METERS NORTHWEST OF A 12-INCH LEANING OAK TREE WITH A HV8822'BLAZE, 6.7 METERS WEST OF AN 8-INCH OAK TREE AND 7.54 METERS HV8822'SOUTHEAST OF THE MOST EASTERLY METAL POST OF A BASEBALL BACKSTOP. HV8822 HV8822 STATION RECOVERY (1997) HV8822 HV8822'RECOVERY NOTE BY US POWER SQUADRON 1997 HV8822'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2669 *********************************************************************** HV2669 DESIGNATION - CIRCLE RM 3 HV2669 PID - HV2669 HV2669 STATE/COUNTY- VA/FAIRFAX HV2669 USGS QUAD - FAIRFAX (1994) HV2669 HV2669 *CURRENT SURVEY CONTROL HV2669 ___________________________________________________________________ HV2669* NAD 83(1986)- 38 51 51. (N) 077 16 28. (W) SCALED HV2669* NAVD 88 - 98.48 (meters) 323.1 (feet) RESET HV2669 ___________________________________________________________________ HV2669 GEOID HEIGHT- -31.81 (meters) GEOID99 HV2669 HV2669 VERT ORDER - THIRD HV2669 HV2669.The horizontal coordinates were scaled from a topographic map and have HV2669.an estimated accuracy of +/- 6 seconds. HV2669 HV2669.The orthometric height was computed from unverified reset data. HV2669.No vertical observational check was made to the station. HV2669 HV2669.The geoid height was determined by GEOID99. HV2669 HV2669; North East Units Estimated Accuracy HV2669;SPC VA N - 2,133,630. 3,606,360. MT (+/- 180 meters Scaled) HV2669 HV2669 SUPERSEDED SURVEY CONTROL HV2669 HV2669 NGVD 29 (??/??/??) 98.71 (m) 323.9 (f) RESET 3 HV2669 HV2669.Superseded values are not recommended for survey control. HV2669.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2669.See file dsdata.txt to determine how the superseded data were derived. HV2669 HV2669_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ026041(NAD 83) HV2669_MARKER: DR = REFERENCE MARK DISK HV2669_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2669_STAMPING: CIRCLE NO 3 1958 BM RESET 1967 HV2669_MARK LOGO: CGS HV2669_PROJECTION: FLUSH HV2669_MAGNETIC: N = NO MAGNETIC MATERIAL HV2669_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2669+STABILITY: SURFACE MOTION HV2669 HV2669 HISTORY - Date Condition Report By HV2669 HISTORY - 1967 MONUMENTED CGS HV2669 HISTORY - 1968 GOOD CGS HV2669 HISTORY - 1985 GOOD NGS HV2669 HISTORY - 19850110 GOOD NGS HV2669 HV2669 STATION DESCRIPTION HV2669 HV2669'DESCRIBED BY COAST AND GEODETIC SURVEY 1968 HV2669'AT FAIRFAX. HV2669'IN THE EASTERN PART OF FAIRFAX AND IN THE SOUTH HALF OF TRAFFIC HV2669'CIRCLE FORMED AT THE INTERSECTION OF U.S. HIGHWAYS 29, 50 AND HV2669'211. MARK IS 14 FEET SOUTHWEST OF THE POINT OF CURB OF EAST HV2669'BOUND LANE OF U.S. HIGHWAY 50 AND NORTHBOUND LANE OF U.S. HV2669'HIGHWAY 29 AND 211, 4.5 FEET SOUTH OF THE CURB OF EAST BOUND LANE HV2669'OF U.S. HIGHWAY 50 AND 4 FEET SOUTHWEST OF LAMP POST. A STANDARD HV2669'DISK SET FLUSH IN THE TOP OF A CONCRETE POST WHICH PROJECTS HV2669'ABOUT 1 INCH. HV2669 HV2669 STATION RECOVERY (1985) HV2669 HV2669'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1985 HV2669'RECOVERED IN GOOD CONDITION. HV2669 HV2669 STATION RECOVERY (1985) HV2669 HV2669'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1985 (HDM) HV2669'REFERENCE MARK NO. 3 IS A STANDARD CGS DISK STAMPED CIRCLE NO. 3 1958 HV2669'BM RESET 1967 SET INTO THE TOP OF A SQUARE CONCRETE MONUMENT 30 CM IN HV2669'DIAMETER FLUSH WITH THE GROUND. LOCATED 4.0 FEET, 1.22 METERS HV2669'SOUTHWEST FROM A LAMP POST. 4.5 FEET, 1.37 METERS SOUTH FROM THE HV2669'SOUTH CURB OF U.S. 50 EAST - BOUND LANE, AND 4.5 FEET, HIGHER THAN THE HV2669'STATION. HV2669' 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2670 *********************************************************************** HV2670 DESIGNATION - CIRCLE RM 4 HV2670 PID - HV2670 HV2670 STATE/COUNTY- VA/FAIRFAX HV2670 USGS QUAD - FAIRFAX (1994) HV2670 HV2670 *CURRENT SURVEY CONTROL HV2670 ___________________________________________________________________ HV2670* NAD 83(1986)- 38 51 51. (N) 077 16 28. (W) SCALED HV2670* NAVD 88 - 97.82 (meters) 320.9 (feet) RESET HV2670 ___________________________________________________________________ HV2670 GEOID HEIGHT- -31.81 (meters) GEOID99 HV2670 HV2670 VERT ORDER - THIRD HV2670 HV2670.The horizontal coordinates were scaled from a topographic map and have HV2670.an estimated accuracy of +/- 6 seconds. HV2670 HV2670.The orthometric height was computed from unverified reset data. HV2670.No vertical observational check was made to the station. HV2670 HV2670.The geoid height was determined by GEOID99. HV2670 HV2670; North East Units Estimated Accuracy HV2670;SPC VA N - 2,133,630. 3,606,360. MT (+/- 180 meters Scaled) HV2670 HV2670 SUPERSEDED SURVEY CONTROL HV2670 HV2670 NGVD 29 (??/??/??) 98.05 (m) 321.7 (f) RESET 3 HV2670 HV2670.Superseded values are not recommended for survey control. HV2670.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2670.See file dsdata.txt to determine how the superseded data were derived. HV2670 HV2670_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ026041(NAD 83) HV2670_MARKER: DR = REFERENCE MARK DISK HV2670_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2670_STAMPING: CIRCLE NO 4 1958 BM RESET 1967 HV2670_MARK LOGO: CGS HV2670_PROJECTION: FLUSH HV2670_MAGNETIC: N = NO MAGNETIC MATERIAL HV2670_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2670+STABILITY: SURFACE MOTION HV2670 HV2670 HISTORY - Date Condition Report By HV2670 HISTORY - 1967 MONUMENTED CGS HV2670 HISTORY - 1968 GOOD CGS HV2670 HISTORY - 1985 GOOD NGS HV2670 HISTORY - 19850101 GOOD NGS HV2670 HV2670 STATION DESCRIPTION HV2670 HV2670'DESCRIBED BY COAST AND GEODETIC SURVEY 1968 HV2670'AT FAIRFAX. HV2670'IN THE EASTERN PART OF FARIFAX AND IN THE SOUTH HALF OF TRAFFIC HV2670'CIRCLE FORMED BY THE INTERSECTION OF U.S. HIGHWAYS 29, 50 AND HV2670'211. MARK IS 4.5 FEET NORTH OF CURB ON THE SOUTH SIDE OF HV2670'CIRCLE AND 2.5 FEET NORTH OF VEPCO POLE NUMBER JH 25. MARK IS HV2670'A STANDARD DISK SET FLUSH IN THE TOP OF A CONCRETE POST WHICH HV2670'PROJCETS ABOUT 1 INCH. HV2670 HV2670 STATION RECOVERY (1985) HV2670 HV2670'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1985 HV2670'RECOVERED IN GOOD CONDITION. HV2670 HV2670 STATION RECOVERY (1985) HV2670 HV2670'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1985 (HDM) HV2670'REFERENCE MARK NO. 4 IS A STANDARD CGS DISK STAMPED CIRCLE 1958 NO. 4 HV2670'BM RESET 1967 SET INTO THE TOP OF A SQUARE CONCRETE MONUMENT 30 CM IN HV2670'DIAMETER FLUSH WITH THE GROUND. LOCATED 2.5 FEET, 0.76 METERS NORTH HV2670'FROM THE POWERLINE POLE NUMBER JH 25. 4.5 FEET, 1.37 METERS NORTH HV2670'FROM THE SOUTH CURB OF THE TRAFFIC CIRCLE, AND 1.0 FEET LOWER THAN THE HV2670'STATION. HV2670' 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV7986 *********************************************************************** HV7986 DESIGNATION - DUNN LORING RM 3 HV7986 PID - HV7986 HV7986 STATE/COUNTY- VA/FAIRFAX HV7986 USGS QUAD - FALLS CHURCH (1994) HV7986 HV7986 *CURRENT SURVEY CONTROL HV7986 ___________________________________________________________________ HV7986* NAD 83(1986)- 38 53 17. (N) 077 13 43. (W) SCALED HV7986* NAVD 88 - 133.89 (meters) 439.3 (feet) RESET HV7986 ___________________________________________________________________ HV7986 GEOID HEIGHT- -31.80 (meters) GEOID99 HV7986 HV7986 VERT ORDER - THIRD HV7986 HV7986.The horizontal coordinates were scaled from a topographic map and have HV7986.an estimated accuracy of +/- 6 seconds. HV7986 HV7986.The orthometric height was computed from unverified reset data. HV7986.No vertical observational check was made to the station. HV7986 HV7986.The geoid height was determined by GEOID99. HV7986 HV7986; North East Units Estimated Accuracy HV7986;SPC VA N - 2,136,340. 3,610,300. MT (+/- 180 meters Scaled) HV7986 HV7986 SUPERSEDED SURVEY CONTROL HV7986 HV7986 NGVD 29 (??/??/??) 134.11 (m) 440.0 (f) RESET 3 HV7986 HV7986.Superseded values are not recommended for survey control. HV7986.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV7986.See file dsdata.txt to determine how the superseded data were derived. HV7986 HV7986_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ067067(NAD 83) HV7986_MARKER: DR = REFERENCE MARK DISK HV7986_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV7986_STAMPING: DUNN LORING 1958 NO 3 1975 HV7986_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV7986+STABILITY: SURFACE MOTION HV7986 HV7986 HISTORY - Date Condition Report By HV7986 HISTORY - 1975 MONUMENTED NGS HV7986 HV7986 STATION DESCRIPTION HV7986 HV7986'DESCRIBED BY NATIONAL GEODETIC SURVEY 1975 HV7986'AT FAIRFAX FROM DUNN LORING. HV7986'AT A CITY PARK, 50.85 FEET SOUTH OF TRIANGULATION STATION DUNN LORING HV7986'1958, 30 FEET EAST OF THE CENTER OF ASPHALT FOOTPATH, 29 FEET WEST OF HV7986'FENCE AROUND TENNIS COURTS, 10 FEET WEST OF 24 INCH OAK TREE AND 10 HV7986'FEET SOUTHEAST OF 20 INCH OAK TREE. DISK IS SET FLUSH IN THE TOP OF HV7986'A CONCRETE MONUMENT ABOUT FLUSH WITH THE GROUND AND 10 INCHES IN HV7986'DIAMETER. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2307 *********************************************************************** HV2307 DESIGNATION - E 231 RESET 1961 HV2307 PID - HV2307 HV2307 STATE/COUNTY- VA/FAIRFAX HV2307 USGS QUAD - FALLS CHURCH (1994) HV2307 HV2307 *CURRENT SURVEY CONTROL HV2307 ___________________________________________________________________ HV2307* NAD 83(1986)- 38 54 43. (N) 077 13 13. (W) SCALED HV2307* NAVD 88 - 144.99 (meters) 475.7 (feet) RESET HV2307 ___________________________________________________________________ HV2307 GEOID HEIGHT- -31.78 (meters) GEOID99 HV2307 HV2307 VERT ORDER - THIRD HV2307 HV2307.The horizontal coordinates were scaled from a topographic map and have HV2307.an estimated accuracy of +/- 6 seconds. HV2307 HV2307.The orthometric height was computed from unverified reset data. HV2307.No vertical observational check was made to the station. HV2307 HV2307.The geoid height was determined by GEOID99. HV2307 HV2307; North East Units Estimated Accuracy HV2307;SPC VA N - 2,139,000. 3,610,990. MT (+/- 180 meters Scaled) HV2307 HV2307 SUPERSEDED SURVEY CONTROL HV2307 HV2307 NGVD 29 (??/??/??) 145.21 (m) 476.4 (f) RESET 3 HV2307 HV2307.Superseded values are not recommended for survey control. HV2307.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2307.See file dsdata.txt to determine how the superseded data were derived. HV2307 HV2307_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ074093(NAD 83) HV2307_MARKER: DB = BENCH MARK DISK HV2307_SETTING: 0 = UNSPECIFIED SETTING HV2307_STAMPING: E 231 RESET 1961 HV2307_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2307 HV2307 HISTORY - Date Condition Report By HV2307 HISTORY - 1961 MONUMENTED VADH HV2307 HV2307 STATION DESCRIPTION HV2307 HV2307'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1961 HV2307'2 MI S FROM TYSONS CORNER. HV2307'THIS MARK IS LOCATED APPROXIMATELY 2.0 MILES SOUTH OF TYSONS HV2307'CORNER ON ROUTE 7, AT THE INTERSECTION OF ROUTE 7 AND ROUTE 927, HV2307'N69E, 90 FEET FROM INTERSECTION OF ROUTE 7 AND ROUTE 927, N35W, HV2307'350 FEET FROM INTERSECTION ROUTE 7 AND ROUTE 650, S88W, 100 FEET HV2307'FROM WEST CORNER OF A TWO-STORY BRICK DWELLING AND S16W, 100 FEET HV2307'FROM POWER POLE VB-1 ON ROUTE 927. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 AH2702 *********************************************************************** AH2702 DESIGNATION - F 384 RESET AH2702 PID - AH2702 AH2702 STATE/COUNTY- VA/FAIRFAX AH2702 USGS QUAD - MANASSAS (1994) AH2702 AH2702 *CURRENT SURVEY CONTROL AH2702 ___________________________________________________________________ AH2702* NAD 83(1986)- 38 48 36. (N) 077 29 24. (W) SCALED AH2702* NAVD 88 - 54.33 (meters) 178.2 (feet) RESET AH2702 ___________________________________________________________________ AH2702 GEOID HEIGHT- -31.93 (meters) GEOID99 AH2702 AH2702 VERT ORDER - THIRD AH2702 AH2702.The horizontal coordinates were scaled from a topographic map and have AH2702.an estimated accuracy of +/- 6 seconds. AH2702 AH2702.The orthometric height was computed from unverified reset data. AH2702 AH2702.The geoid height was determined by GEOID99. AH2702 AH2702; North East Units Estimated Accuracy AH2702;SPC VA N - 2,127,390. 3,587,720. MT (+/- 180 meters Scaled) AH2702 AH2702 SUPERSEDED SURVEY CONTROL AH2702 AH2702.No superseded survey control is available for this station. AH2702 AH2702_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH837986(NAD 83) AH2702_MARKER: DV = VERTICAL CONTROL DISK AH2702_SETTING: 37 = PARAPET WALL AH2702_STAMPING: F 384 RESET 1996 AH2702_MARK LOGO: NGS AH2702_PROJECTION: FLUSH AH2702_MAGNETIC: N = NO MAGNETIC MATERIAL AH2702_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL AH2702 AH2702 HISTORY - Date Condition Report By AH2702 HISTORY - 1997 MONUMENTED LOCENG AH2702 AH2702 STATION DESCRIPTION AH2702 AH2702'DESCRIBED BY LOCAL ENGINEER (INDIVIDUAL OR FIRM) 1997 (LT) AH2702'MARK IS LOCATED ON THE BRIDGE OVER BULL RUN ON THE EAST BOUND LANE OF AH2702'INTERSTATE 66, AT MILE MARK 49. 1.5 MILES (2.4 KM) EAST OF THE AH2702'INTERSECTION OF ROUTE 234 AND ROUTE 66 IN MANASSAS. MARK IS A AH2702'STANDARD DISK SET IN THE TOP OF THE CONCRETE PARAPET WALL ON THE AH2702'SOUTHEAST CORNER OF BRIDGE, 3 FEET (0.9 M) ABOVE THE DECK. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV9127 *********************************************************************** HV9127 DESIGNATION - GPS 138 HV9127 PID - HV9127 HV9127 STATE/COUNTY- VA/FAIRFAX HV9127 USGS QUAD - FALLS CHURCH (1994) HV9127 HV9127 *CURRENT SURVEY CONTROL HV9127 ___________________________________________________________________ HV9127* NAD 83(1993)- 38 57 36.71000(N) 077 11 00.36857(W) ADJUSTED HV9127* NAVD 88 - 77.0 (meters) 253. (feet) VERTCON HV9127 ___________________________________________________________________ HV9127 X - 1,101,641.315 (meters) COMP HV9127 Y - -4,842,411.978 (meters) COMP HV9127 Z - 3,988,910.515 (meters) COMP HV9127 LAPLACE CORR- -1.91 (seconds) DEFLEC99 HV9127 ELLIP HEIGHT- 45.23 (meters) (05/17/02) GPS OBS HV9127 GEOID HEIGHT- -31.77 (meters) GEOID99 HV9127 HV9127 HORZ ORDER - SECOND HV9127 ELLP ORDER - FOURTH CLASS II HV9127 HV9127.The horizontal coordinates were established by GPS observations HV9127.and adjusted by the National Geodetic Survey in November 1994. HV9127 HV9127.The NAVD 88 height was computed by applying the VERTCON shift value to HV9127.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV9127 HV9127.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9127 HV9127.The Laplace correction was computed from DEFLEC99 derived deflections. HV9127 HV9127.The ellipsoidal height was determined by GPS observations HV9127.and is referenced to NAD 83. HV9127 HV9127.The geoid height was determined by GEOID99. HV9127 HV9127; North East Units Scale Converg. HV9127;SPC VA N - 2,144,400.873 3,614,105.335 MT 0.99996623 +0 49 18.1 HV9127;SPC MD - 143,603.686 384,101.516 MT 0.99995093 -0 06 54.5 HV9127;SPC MD - 471,139.76 1,260,173.06 sFT 0.99995093 -0 06 54.5 HV9127;UTM 18 - 4,314,626.822 310,816.904 MT 1.00004072 -1 22 23.9 HV9127 HV9127: Primary Azimuth Mark Grid Az HV9127:SPC VA N - GPS 139 134 30 57.9 HV9127:SPC MD - GPS 139 135 27 10.5 HV9127:UTM 18 - GPS 139 136 42 39.9 HV9127 HV9127|---------------------------------------------------------------------| HV9127| PID Reference Object Distance Geod. Az | HV9127| dddmmss.s | HV9127| HV9128 GPS 139 APPROX. 1.4 KM 1352016.0 | HV9127|---------------------------------------------------------------------| HV9127 HV9127 SUPERSEDED SURVEY CONTROL HV9127 HV9127 ELLIP H (11/14/94) 45.18 (m) GP( ) 4 2 HV9127 NAD 83(1993)- 38 57 36.70921(N) 077 11 00.37084(W) AD( ) 2 HV9127 NGVD 29 (09/10/92) 77.2 (m) 253. (f) GPS OBS HV9127 HV9127.Superseded values are not recommended for survey control. HV9127.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9127.See file dsdata.txt to determine how the superseded data were derived. HV9127 HV9127_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ1081714627(NAD 83) HV9127_MARKER: DD = SURVEY DISK HV9127_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9127_STAMPING: GPS 138 1991 HV9127_MARK LOGO: VA-059 HV9127_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT HV9127_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9127+STABILITY: SURFACE MOTION HV9127_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV9127+SATELLITE: SATELLITE OBSERVATIONS - January 29, 1992 HV9127 HV9127 HISTORY - Date Condition Report By HV9127 HISTORY - 1991 MONUMENTED MSI HV9127 HISTORY - 19920129 GOOD MSI HV9127 HISTORY - 20030828 GOOD GEOCAC HV9127 HV9127 STATION DESCRIPTION HV9127 HV9127'DESCRIBED BY MEASUREMENT SCIENCE INCORPORATED 1991 HV9127'THE STATION IS LOCATED IN FAIRFAX COUNTY, VIRGINIA, APPROXIMATELY 5 MI HV9127'(8.0 KM) NORTHEAST OF THE TOWN OF VIENNA. TO REACH THE STATION FROM HV9127'THE INTERSECTION OF THE CAPITAL BELTWAY (I-495) GEORGETOWN PIKE (S.R. HV9127'193) AT EXIT NUMBER 13, PROCEED EAST ALONG GEORGETOWN PIKE FOR HV9127'APPROXIMATELY 0.9 MI (1.4 KM) TO ITS INTERSECTION WITH DOUGLASS DRIVE HV9127'(S.R. 937). TURN LEFT ONTO DOUGLASS DRIVE AND TRAVEL NORTH FOR 0.3 HV9127'MI (0.5 KM) TO ITS INTERSECTION WITH BENJAMIN STREET (S.R. 937). BEAR HV9127'LEFT ONTO BENJAMIN STREET AND PROCEED WEST FOR 0.35 MI (0.56 KM) TO HV9127'ITS INTERSECTION WITH LAWTON STREET (S.R. 1923). TURN RIGHT ONTO HV9127'LAWTON STREET AND TRAVEL NORTH FOR 0.3 MI (0.5 KM) TO ITS HV9127'INTERSECTION WITH LUPINE LANE (S.R. 3289), WHERE THE STATION IS HV9127'LOCATED IN THE NORTHERN CORNER OF THE INTERSECTION. HV9127'THE STATION IS A FAIRFAX COUNTY DISK SET IN THE TOP OF A CONCRETE HV9127'MONUMENT APPROXIMATELY FLUSH WITH THE GROUND SURFACE, STAMPED GPS HV9127'138 1991. THE DISK IS LOCATED ON THE NORTHERN SHOULDER OF LAWTON HV9127'STREET, 106.7 FT (32.5 M) EAST OF C AND P POLE NUMBER 22-P, 95.5 FT HV9127'(29.1 M) NORTHWEST OF C AND P POLE NUMBER 3229-M, AND 14.5 FT HV9127'(4.4 M) NORTHEAST OF THE CENTER LINE OF LAWTON STREET. HV9127 HV9127 STATION RECOVERY (1992) HV9127 HV9127'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV9127'RECOVERED IN GOOD CONDITION. HV9127 HV9127 STATION RECOVERY (2003) HV9127 HV9127'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV9127'FOUND AS DESCRIBED IN THE LAWN OF RESIDENCE AT 737 LAWTON STREET. DISK HV9127'IS APPROXIMATELY 3 FEET SOUTHEAST FROM THE EDGE OF PAVEMENT, AND HV9127'APPROXIMATELY 24 FEET NORTHWEST OF THE METAL POLE SUPPORTING THE HV9127'LUPINE-LAWTON STREET SIGN. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV9130 *********************************************************************** HV9130 DESIGNATION - GPS 141 HV9130 PID - HV9130 HV9130 STATE/COUNTY- VA/FAIRFAX HV9130 USGS QUAD - FALLS CHURCH (1994) HV9130 HV9130 *CURRENT SURVEY CONTROL HV9130 ___________________________________________________________________ HV9130* NAD 83(1993)- 38 56 31.02670(N) 077 08 24.20648(W) ADJUSTED HV9130* NAVD 88 - 66.4 (meters) 218. (feet) VERTCON HV9130 ___________________________________________________________________ HV9130 X - 1,105,588.734 (meters) COMP HV9130 Y - -4,842,809.896 (meters) COMP HV9130 Z - 3,987,328.625 (meters) COMP HV9130 LAPLACE CORR- -2.50 (seconds) DEFLEC99 HV9130 ELLIP HEIGHT- 34.60 (meters) (05/17/02) GPS OBS HV9130 GEOID HEIGHT- -31.84 (meters) GEOID99 HV9130 HV9130 HORZ ORDER - SECOND HV9130 ELLP ORDER - FOURTH CLASS II HV9130 HV9130.The horizontal coordinates were established by GPS observations HV9130.and adjusted by the National Geodetic Survey in November 1994. HV9130 HV9130.The NAVD 88 height was computed by applying the VERTCON shift value to HV9130.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV9130 HV9130.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9130 HV9130.The Laplace correction was computed from DEFLEC99 derived deflections. HV9130 HV9130.The ellipsoidal height was determined by GPS observations HV9130.and is referenced to NAD 83. HV9130 HV9130.The geoid height was determined by GEOID99. HV9130 HV9130; North East Units Scale Converg. HV9130;SPC VA N - 2,142,430.470 3,617,894.627 MT 0.99996438 +0 50 55.6 HV9130;SPC MD - 141,571.626 387,858.033 MT 0.99995051 -0 05 16.5 HV9130;SPC MD - 464,472.91 1,272,497.56 sFT 0.99995051 -0 05 16.5 HV9130;UTM 18 - 4,312,512.616 314,528.210 MT 1.00002360 -1 20 43.7 HV9130 HV9130: Primary Azimuth Mark Grid Az HV9130:SPC VA N - GPS 142 119 54 17.6 HV9130:SPC MD - GPS 142 120 50 29.7 HV9130:UTM 18 - GPS 142 122 05 56.9 HV9130 HV9130|---------------------------------------------------------------------| HV9130| PID Reference Object Distance Geod. Az | HV9130| dddmmss.s | HV9130| HV9131 GPS 142 APPROX. 1.1 KM 1204513.2 | HV9130| HV9129 GPS 140 APPROX. 1.0 KM 2823337.3 | HV9130|---------------------------------------------------------------------| HV9130 HV9130 SUPERSEDED SURVEY CONTROL HV9130 HV9130 ELLIP H (11/14/94) 34.57 (m) GP( ) 4 2 HV9130 NAD 83(1993)- 38 56 31.02558(N) 077 08 24.20873(W) AD( ) 2 HV9130 NGVD 29 (09/10/92) 66.7 (m) 219. (f) GPS OBS HV9130 HV9130.Superseded values are not recommended for survey control. HV9130.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9130.See file dsdata.txt to determine how the superseded data were derived. HV9130 HV9130_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ1452812513(NAD 83) HV9130_MARKER: DD = SURVEY DISK HV9130_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9130_STAMPING: GPS 141 1991 HV9130_MARK LOGO: VA-059 HV9130_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT HV9130_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9130+STABILITY: SURFACE MOTION HV9130_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV9130+SATELLITE: SATELLITE OBSERVATIONS - January 29, 1992 HV9130 HV9130 HISTORY - Date Condition Report By HV9130 HISTORY - 1991 MONUMENTED MSI HV9130 HISTORY - 19920129 GOOD MSI HV9130 HISTORY - 20030828 GOOD GEOCAC HV9130 HV9130 STATION DESCRIPTION HV9130 HV9130'DESCRIBED BY MEASUREMENT SCIENCE INCORPORATED 1991 HV9130'THE STATION IS LOCATED IN FAIRFAX COUNTY, VIRGINIA, APPROXIMATELY 1.2 HV9130'MI (1.9 KM) NORTHWEST OF THE ARLINGTON COUNTY LINE. TO REACH THE HV9130'STATION FROM THE INTERSECTION OF CHAIN BRIDGE ROAD (S.R. 123), DOLLY HV9130'MADISON BOULEVARD (S.R. 123) AND GEORGETOWN PIKE (S.R. 193), PROCEED HV9130'NORTHEAST ALONG CHAIN BRIDGE ROAD FOR APPROXIMATELY 0.6 MI (1.0 KM) HV9130'TO THE STATION LOCATED ON THE LEFT IN THE MEDIAN. HV9130'THE STATION IS A FAIRFAX COUNTY DISK SET IN THE TOP OF A CONCRETE HV9130'MONUMENT FLUSH WITH THE GROUND SURFACE, STAMPED GPS 141 1991. THE HV9130'DISK IS LOCATED IN THE MEDIAN, 75.1 FT (22.9 M) EAST OF THE HV9130'EASTERNMOST CORNER OF A CONCRETE CATCH BASIN, 69.3 FT (21.1 M) HV9130'NORTHEAST OF VEPCO POLE NUMBER PC-29, AND 15.5 FT (4.7 M) SOUTHWEST OF HV9130'THE CENTER LINE OF THE WESTBOUND LANES OF CHAIN BRIDGE ROAD. HV9130 HV9130 STATION RECOVERY (1992) HV9130 HV9130'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV9130'RECOVERED IN GOOD CONDITION. HV9130 HV9130 STATION RECOVERY (2003) HV9130 HV9130'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV9130'STATION IS IN MEDIAN OF ROUTE 193 AND OPPOSITE THE HOUSE AT 849 CHAIN HV9130'BRIDGE ROAD. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV9649 *********************************************************************** HV9649 DESIGNATION - GPS 46 RM HV9649 PID - HV9649 HV9649 STATE/COUNTY- VA/FAIRFAX HV9649 USGS QUAD - ANNANDALE (1994) HV9649 HV9649 *CURRENT SURVEY CONTROL HV9649 ___________________________________________________________________ HV9649* NAD 83(1993)- 38 48 14.90524(N) 077 10 41.33173(W) ADJUSTED HV9649* NAVD 88 - 74.1 (meters) 243. (feet) VERTCON HV9649 ___________________________________________________________________ HV9649 X - 1,104,501.077 (meters) COMP HV9649 Y - -4,852,911.744 (meters) COMP HV9649 Z - 3,975,422.548 (meters) COMP HV9649 LAPLACE CORR- -2.10 (seconds) DEFLEC99 HV9649 ELLIP HEIGHT- 42.18 (meters) (05/17/02) GPS OBS HV9649 GEOID HEIGHT- -31.99 (meters) GEOID99 HV9649 HV9649 HORZ ORDER - SECOND HV9649 ELLP ORDER - FOURTH CLASS II HV9649 HV9649.The horizontal coordinates were established by GPS observations HV9649.and adjusted by the National Geodetic Survey in November 1994. HV9649 HV9649.The NAVD 88 height was computed by applying the VERTCON shift value to HV9649.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV9649 HV9649.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9649 HV9649.The Laplace correction was computed from DEFLEC99 derived deflections. HV9649 HV9649.The ellipsoidal height was determined by GPS observations HV9649.and is referenced to NAD 83. HV9649 HV9649.The geoid height was determined by GEOID99. HV9649 HV9649; North East Units Scale Converg. HV9649;SPC VA N - 2,127,085.581 3,614,813.042 MT 0.99995368 +0 49 30.0 HV9649;UTM 18 - 4,297,295.722 310,861.612 MT 1.00004053 -1 21 55.3 HV9649 HV9649|---------------------------------------------------------------------| HV9649| PID Reference Object Distance Geod. Az | HV9649| dddmmss.s | HV9649| HV9199 GPS 46 268.713 METERS 32025 | HV9649|---------------------------------------------------------------------| HV9649 HV9649 SUPERSEDED SURVEY CONTROL HV9649 HV9649 ELLIP H (11/14/94) 42.17 (m) GP( ) 4 2 HV9649 NAD 83(1993)- 38 48 14.90423(N) 077 10 41.33599(W) AD( ) 2 HV9649 ELLIP H (09/27/93) 41.54 (m) GP( ) 4 1 HV9649 NGVD 29 (09/27/93) 74.4 (m) 244. (f) GPS OBS HV9649 HV9649.Superseded values are not recommended for survey control. HV9649.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9649.See file dsdata.txt to determine how the superseded data were derived. HV9649 HV9649_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH1086297296(NAD 83) HV9649_MARKER: DD = SURVEY DISK HV9649_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9649_MARK LOGO: VA-059 HV9649_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET HV9649_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9649+STABILITY: SURFACE MOTION HV9649_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV9649+SATELLITE: SATELLITE OBSERVATIONS - 1990 HV9649 HV9649 HISTORY - Date Condition Report By HV9649 HISTORY - 1990 MONUMENTED RDA HV9649 HISTORY - 20030814 GOOD GEOCAC HV9649 HV9649 STATION DESCRIPTION HV9649 HV9649'DESCRIBED BY RINKER DETWILER AND ASSOCIATES 1990 HV9649'THE STATION IS LOCATED IN SOUTHEASTERN FAIRFAX COUNTY, VIRGINIA ABOUT HV9649'1.0 MILE (1.6 KM) NORTH OF THE VILLAGE OF SPRINGFIELD IN THE EDSALL HV9649'PARK SUBDIVISION. TO REACH THE STATION FROM THE INTERSECTION OF HV9649'BACKLICK ROAD AND EDSALL ROAD PROCEED EAST ALONG EDSALL ROAD 0.2 MILE HV9649'(0.3 KM) TO ITS INTERSECTION WITH DUBLIN AVENUE. TURN RIGHT AND HV9649'PROCEED SOUTHEAST ALONG DUBLIN AVENUE 0 DUBLIN AVENUE. TURN RIGHT HV9649'AND PROCEED SOUTHEAST ALONG DUBLIN AVENUE 0 MILE (0.0 KM) TO ITS HV9649'INTERSECTION WITH NEW HOPE DRIVE AND THE STATION ON THE LEFT JUST HV9649'BEFORE THE INTERSECTION AT THE LEFT SIDE OF HOUSE NUMBER 6724. TO HV9649'REACH THE REFERENCE MARK FROM THE STATION PROCEED SOUTHEAST ALONG HV9649'DUBLIN AVENUE 0.15 MILE (0.24 KM) TO ITS INTERSECTION WITH MONTGOMERY HV9649'STREET. TURN RIGHT AND PROCEED SOUTHWEST ALONG MONTGOMERY STREET 50 HV9649'FEET (15.2 M) TO THE MARK ON THE RIGHT AT HOUSE NUMBER 5408. THE HV9649'REFERENCE MARK IS A STANDARD FAIRFAX COUNTY SURVEY DISK SET IN HV9649'CONCRETE FLUSH WITH THE GROUND. THE MARK IS 2.62 FEET (0.80 M) NORTH HV9649'FROM THE FACE OF CURB OF MONTGOMERY STREET, 52.23 FEET (15.92 M) EAST HV9649'OF A 16D NAIL IN A 17 INCH ELM TREE, 99.91 FEET (30.45 M) NORTHWEST HV9649'OF A 16D NAIL IN A 15 INCH SUGAR MAPLE TREE, AND 102.97 FEET HV9649'(31.39 M) SOUTHWEST OF A 16D NAIL IN C AND P POLE. HV9649 HV9649 STATION RECOVERY (2003) HV9649 HV9649'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV9649'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV9314 *********************************************************************** HV9314 DESIGNATION - GPS 48 HV9314 PID - HV9314 HV9314 STATE/COUNTY- VA/FAIRFAX HV9314 USGS QUAD - ANNANDALE (1994) HV9314 HV9314 *CURRENT SURVEY CONTROL HV9314 ___________________________________________________________________ HV9314* NAD 83(1993)- 38 48 27.93271(N) 077 07 49.64328(W) ADJUSTED HV9314* NAVD 88 - 38.08 (+/-2cm) 124.9 (feet) VERTCON HV9314 ___________________________________________________________________ HV9314 X - 1,108,477.763 (meters) COMP HV9314 Y - -4,851,717.832 (meters) COMP HV9314 Z - 3,975,712.958 (meters) COMP HV9314 LAPLACE CORR- -2.65 (seconds) DEFLEC99 HV9314 ELLIP HEIGHT- 6.05 (meters) (05/17/02) GPS OBS HV9314 GEOID HEIGHT- -32.04 (meters) GEOID99 HV9314 HV9314 HORZ ORDER - SECOND HV9314 VERT ORDER - THIRD (See Below) HV9314 ELLP ORDER - FOURTH CLASS II HV9314 HV9314.The horizontal coordinates were established by GPS observations HV9314.and adjusted by the National Geodetic Survey in November 1994. HV9314 HV9314.The NAVD 88 height was computed by applying the VERTCON shift value to HV9314.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV9314.The vertical order pertains to the superseded datum. HV9314 HV9314.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9314 HV9314.The Laplace correction was computed from DEFLEC99 derived deflections. HV9314 HV9314.The ellipsoidal height was determined by GPS observations HV9314.and is referenced to NAD 83. HV9314 HV9314.The geoid height was determined by GEOID99. HV9314 HV9314; North East Units Scale Converg. HV9314;SPC VA N - 2,127,547.961 3,618,949.098 MT 0.99995388 +0 51 17.1 HV9314;SPC MD - 126,673.997 388,669.073 MT 0.99995055 -0 04 54.8 HV9314;SPC MD - 415,596.27 1,275,158.45 sFT 0.99995055 -0 04 54.8 HV9314;UTM 18 - 4,297,599.711 315,012.638 MT 1.00002140 -1 20 08.0 HV9314 HV9314: Primary Azimuth Mark Grid Az HV9314:SPC VA N - GPS 48 AZ MK 265 00 27.1 HV9314:SPC MD - GPS 48 AZ MK 265 56 39.0 HV9314:UTM 18 - GPS 48 AZ MK 267 11 52.2 HV9314 HV9314|---------------------------------------------------------------------| HV9314| PID Reference Object Distance Geod. Az | HV9314| dddmmss.s | HV9314| HV9200 GPS 48 AZ MK 457.657 METERS 2655144.2 | HV9314|---------------------------------------------------------------------| HV9314 HV9314 SUPERSEDED SURVEY CONTROL HV9314 HV9314 NAD 83(1993)- 38 48 27.93108(N) 077 07 49.64669(W) AD( ) 2 HV9314 ELLIP H (09/27/93) 5.45 (m) GP( ) 4 1 HV9314 NGVD 29 (09/27/93) 38.33 (m) 125.8 (f) LEVELING 3 HV9314 HV9314.Superseded values are not recommended for survey control. HV9314.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9314.See file dsdata.txt to determine how the superseded data were derived. HV9314 HV9314_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH1501397600(NAD 83) HV9314_MARKER: DD = SURVEY DISK HV9314_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9314_STAMPING: GPS 48 1990 HV9314_MARK LOGO: VA-059 HV9314_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET HV9314_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9314+STABILITY: SURFACE MOTION HV9314_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV9314+SATELLITE: SATELLITE OBSERVATIONS - 1990 HV9314 HV9314 HISTORY - Date Condition Report By HV9314 HISTORY - 1990 MONUMENTED RDA HV9314 HISTORY - 19910808 GOOD MSI HV9314 HISTORY - 20030831 GOOD GEOCAC HV9314 HV9314 STATION DESCRIPTION HV9314 HV9314'DESCRIBED BY RINKER DETWILER AND ASSOCIATES 1990 HV9314'THE STATION IS LOCATED IN SOUTHEASTERN FAIRFAX COUNTY, VIRGINIA IN HV9314'THE VILLAGE OF ALEXANDRIA. TO REACH THE STATION FROM THE HV9314'INTERSECTION OF INTERSTATE 395 AND EDSALL ROAD PROCEED NORTHEAST HV9314'ALONG EDSALL ROAD 2.0 MILE (3.2 KM) TO THE STATION ON THE LEFT JUST HV9314'PAST BUILDING NUMBER 5703. THE STATION IS A STANDARD FAIRFAX COUNTY HV9314'SURVEY DISK SET IN CONCRETE FLUSH WITH THE GROUND AND IS STAMPED GPS HV9314'48 1990. THE STATION IS 1.17 FEET (0.36 M) NORTH FROM THE FACE OF HV9314'CURB OF EDSALL ROAD, 68.9 FEET (21.0 M) NORTHEAST FROM A DRILL HOLE HV9314'IN THE NORTHWEST CORNER OF A CATCH BASIN, 32.92 FEET (10.03 M) HV9314'SOUTHEAST OF A DRILL HOLE AT ANGLE POINT OF RETAINING WALL, AND 54.06 HV9314'FEET (16.48 M) NORTHWEST OF A 16D NAIL IN C AND P POLE NUMBER 435-0. HV9314 HV9314 STATION RECOVERY (1991) HV9314 HV9314'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1991 HV9314'RECOVERED IN GOOD CONDITION. HV9314 HV9314 STATION RECOVERY (2003) HV9314 HV9314'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV9314'STATION IS LOCATED IN GRASSY STRIP BETWEEN CURB AND SIDEWALK HV9314'APPROXIMATELY 18 FEET WEST OF A SPEED LIMIT SIGN. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV9200 *********************************************************************** HV9200 DESIGNATION - GPS 48 AZ MK HV9200 PID - HV9200 HV9200 STATE/COUNTY- VA/FAIRFAX HV9200 USGS QUAD - ANNANDALE (1994) HV9200 HV9200 *CURRENT SURVEY CONTROL HV9200 ___________________________________________________________________ HV9200* NAD 83(1993)- 38 48 26.86142(N) 077 08 08.56173(W) ADJUSTED HV9200* NAVD 88 - 52.37 (+/-2cm) 171.8 (feet) VERTCON HV9200 ___________________________________________________________________ HV9200 X - 1,108,039.853 (meters) COMP HV9200 Y - -4,851,850.528 (meters) COMP HV9200 Z - 3,975,696.178 (meters) COMP HV9200 LAPLACE CORR- -2.61 (seconds) DEFLEC99 HV9200 ELLIP HEIGHT- 20.35 (meters) (05/17/02) GPS OBS HV9200 GEOID HEIGHT- -32.04 (meters) GEOID99 HV9200 HV9200 HORZ ORDER - SECOND HV9200 VERT ORDER - THIRD (See Below) HV9200 ELLP ORDER - FOURTH CLASS II HV9200 HV9200.The horizontal coordinates were established by GPS observations HV9200.and adjusted by the National Geodetic Survey in November 1994. HV9200 HV9200.The NAVD 88 height was computed by applying the VERTCON shift value to HV9200.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV9200.The vertical order pertains to the superseded datum. HV9200 HV9200.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9200 HV9200.The Laplace correction was computed from DEFLEC99 derived deflections. HV9200 HV9200.The ellipsoidal height was determined by GPS observations HV9200.and is referenced to NAD 83. HV9200 HV9200.The geoid height was determined by GEOID99. HV9200 HV9200; North East Units Scale Converg. HV9200;SPC VA N - 2,127,508.136 3,618,493.199 MT 0.99995387 +0 51 05.3 HV9200;SPC MD - 126,641.629 388,212.585 MT 0.99995056 -0 05 06.6 HV9200;SPC MD - 415,490.08 1,273,660.79 sFT 0.99995056 -0 05 06.6 HV9200;UTM 18 - 4,297,577.337 314,555.518 MT 1.00002349 -1 20 19.8 HV9200 HV9200: Primary Azimuth Mark Grid Az HV9200:SPC VA N - GPS 48 085 00 27.0 HV9200:SPC MD - GPS 48 085 56 38.9 HV9200:UTM 18 - GPS 48 087 11 52.1 HV9200 HV9200|---------------------------------------------------------------------| HV9200| PID Reference Object Distance Geod. Az | HV9200| dddmmss.s | HV9200| HV9314 GPS 48 457.657 METERS 0855132.3 | HV9200|---------------------------------------------------------------------| HV9200 HV9200 SUPERSEDED SURVEY CONTROL HV9200 HV9200 NAD 83(1993)- 38 48 26.85974(N) 077 08 08.56507(W) AD( ) 2 HV9200 ELLIP H (09/27/93) 19.74 (m) GP( ) 4 1 HV9200 NAD 83(1993)- 38 48 26.86041(N) 077 08 08.56525(W) AD( ) 2 HV9200 NGVD 29 (09/27/93) 52.62 (m) 172.6 (f) LEVELING 3 HV9200 HV9200.Superseded values are not recommended for survey control. HV9200.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9200.See file dsdata.txt to determine how the superseded data were derived. HV9200 HV9200_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH1455697577(NAD 83) HV9200_MARKER: DD = SURVEY DISK HV9200_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9200_STAMPING: GPS 48 AZ MK 1990 HV9200_MARK LOGO: VA-059 HV9200_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET HV9200_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9200+STABILITY: SURFACE MOTION HV9200_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV9200+SATELLITE: SATELLITE OBSERVATIONS - August 06, 1991 HV9200 HV9200 HISTORY - Date Condition Report By HV9200 HISTORY - 1990 MONUMENTED VA-059 HV9200 HISTORY - 19910806 GOOD MSI HV9200 HISTORY - 20030831 GOOD GEOCAC HV9200 HV9200 STATION DESCRIPTION HV9200 HV9200'DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1990 HV9200'THE STATION IS LOCATED IN SOUTHEASTERN FAIRFAX COUNTY, VIRGINIA IN THE HV9200'VILLAGE OF ALEXANDRIA. HV9200'TO REACH THE STATION FROM THE INTERSECTION OF INTERSTATE 395 AND HV9200'EDSALL ROAD PROCEED NORTHEAST ALONG EDSALL ROAD 1.7 MI (2.7 KM) TO HV9200'THE STATION ON THE RIGHT IN FRONT OF KLINE CHEVROLET. HV9200'THE STATION IS A STANDARD FAIRFAX COUNTY SURVEY DISK SET IN CONCRETE HV9200'FLUSH WITH THE GROUND AND IS STAMPED GPS 48 AZ MK 1990. THE MARK HV9200'IS 2.1 FT (0.6 M) SOUTH FROM THE FACE OF THE CURB OF EDSALL ROAD, HV9200'20.83 FT (6.35 M) NORTHWEST OF THE SOUTHWEST CORNER OF A METAL PLATE HV9200'ON A CONCRETE LIGHT POLE BASE, 34.14 FT (10.41 M) NORTHEAST OF A 16D HV9200'NAIL IN C AND P POLE NUMBER 436, AND 109.53 FT (33.38 M) SOUTHWEST OF HV9200'A DRILL HOLE IN TOP OF A CONCRETE RETAINER WALL AT THE END OF WALL HV9200'ACROSS EDSALL ROAD. THE AZIMUTH MARK IS 457.666 METERS HV9200'(1501.526 FT) FROM THE STATION. HV9200 HV9200 STATION RECOVERY (1991) HV9200 HV9200'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1991 HV9200'THE STATION IS LOCATED IN SOUTHEASTERN FAIRFAX COUNTY, VIRGINIA IN THE HV9200'VILLAGE OF ALEXANDRIA. TO REACH THE STATION FROM THE INTERSECTION HV9200'OF INTERSTATE 395 AND EDSALL ROAD PROCEED NORTHEAST ALONG EDSALL ROAD HV9200'2.0 MILE (3.2 KM) TO THE STATION ON THE LEFT JUST PAST BUILDING HV9200'NUMBER 5703. TO REACH THE AZIMUTH MARK FROM THE STATION PROCEED HV9200'SOUTHWEST ALONG EDSALL ROAD 0.3 MILE (0.5 KM) TO THE MARK ON THE LEFT HV9200'IN FRONT OF KLINE CHEVROLET. THE AZIMUTH MARK IS A STANDARD HV9200'FAIRFAX COUNTY SURVEY DISK SET IN CONCRETE FLUSH WITH THE GROUND AND HV9200'STAMPED GPS 48 AZ MK 1990. THE MARK IS 2.1 FEET (0.6 M) SOUTH FROM HV9200'THE FACE OF CURB OF EDSALL ROAD, 20.83 FEET (6.35 M) NORTHWEST OF THE HV9200'SOUTHWEST CORNER OF A METAL PLATE ON A CONCRETE LIGHT POLE BASE, HV9200'34.14 FEET (10.41 M) NORTHEAST OF A 16D NAIL IN C AND P POLE NUMBER HV9200'436, AND 109.53 FEET (33.38 M) SOUTHWEST OF A DRILL HOLE IN TOP OF A HV9200'CONCRETE RETAINER WALL AT THE END OF WALL ACROSS EDSALL ROAD. THE HV9200'AZIMUTH MARK IS 457.666 METERS (1501.526 FT) FROM THE STATION. HV9200 HV9200 STATION RECOVERY (2003) HV9200 HV9200'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV9200'STATION IS LOCATED IN GRASSY STRIP BETWEEN CURB AND SIDEWALK IN FRONT HV9200'OF KOONS COLLISION-ENTERPRISE CAR RENTAL, APPROXIMATELY 17 FEET WEST HV9200'OF A SNOW EMERGENCY ROUTE SIGN. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2232 *********************************************************************** HV2232 DESIGNATION - H 231 RESET 1961 HV2232 PID - HV2232 HV2232 STATE/COUNTY- VA/FAIRFAX HV2232 USGS QUAD - ANNANDALE (1994) HV2232 HV2232 *CURRENT SURVEY CONTROL HV2232 ___________________________________________________________________ HV2232* NAD 83(1986)- 38 51 10. (N) 077 11 56. (W) SCALED HV2232* NAVD 88 - 95.97 (meters) 314.9 (feet) RESET HV2232 ___________________________________________________________________ HV2232 GEOID HEIGHT- -31.89 (meters) GEOID99 HV2232 HV2232 VERT ORDER - THIRD HV2232 HV2232.The horizontal coordinates were scaled from a topographic map and have HV2232.an estimated accuracy of +/- 6 seconds. HV2232 HV2232.The orthometric height was computed from unverified reset data. HV2232.No vertical observational check was made to the station. HV2232 HV2232.The geoid height was determined by GEOID99. HV2232 HV2232; North East Units Estimated Accuracy HV2232;SPC VA N - 2,132,460. 3,612,940. MT (+/- 180 meters Scaled) HV2232 HV2232 SUPERSEDED SURVEY CONTROL HV2232 HV2232 NGVD 29 (??/??/??) 96.21 (m) 315.6 (f) RESET 3 HV2232 HV2232.Superseded values are not recommended for survey control. HV2232.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2232.See file dsdata.txt to determine how the superseded data were derived. HV2232 HV2232_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ091027(NAD 83) HV2232_MARKER: DB = BENCH MARK DISK HV2232_SETTING: 30 = CATCH BASIN HV2232_STAMPING: H 231 RESET 1961 HV2232_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2232 HV2232 HISTORY - Date Condition Report By HV2232 HISTORY - 1961 MONUMENTED CGS HV2232 HV2232 STATION DESCRIPTION HV2232 HV2232'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 HV2232'3 MI S FROM FALLS CHURCH. HV2232'ABOUT 3.05 MILES SOUTH ALONG STATE HIGHWAY 649 FROM ITS JUNCTION HV2232'WITH U.S. HIGHWAY 211 IN FALLS CHURCH, ABOUT 2.25 MILES SOUTH HV2232'OF U.S. HIGHWAY 50, 135 FEET NORTH-NORTHEAST OF THE CENTER LINE OF HV2232'THE DRIVE WEST TO A MANSION (WALNUT HILL), 28 FEET HV2232'NORTH-NORTHWEST OF THE CENTER LINE OF STATE HIGHWAY 649, 1.6 HV2232'FEET NORTH OF THE CENTER OF A ROUND METAL MAN HOLE COVER, 3.7 HV2232'FEET NORTH-NORTHWEST OF THE CURB LINE, SET IN THE TOP OF THE HV2232'NORTH CORNER OF THE NORTH-NORTHWEST OFFSET OF THE TOP OF A HV2232'CONCRETE CATCH BASIN. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV8482 *********************************************************************** HV8482 DESIGNATION - IDYL HV8482 PID - HV8482 HV8482 STATE/COUNTY- VA/FAIRFAX HV8482 USGS QUAD - FALLS CHURCH (1994) HV8482 HV8482 *CURRENT SURVEY CONTROL HV8482 ___________________________________________________________________ HV8482* NAD 83(1993)- 38 53 22.94585(N) 077 12 56.73456(W) ADJUSTED HV8482* NAVD 88 - 125. (meters) 410. (feet) VERTCON HV8482 ___________________________________________________________________ HV8482 LAPLACE CORR- -1.67 (seconds) DEFLEC99 HV8482 GEOID HEIGHT- -31.81 (meters) GEOID99 HV8482 HV8482 HORZ ORDER - SECOND HV8482 HV8482.The horizontal coordinates were established by classical geodetic methods HV8482.and adjusted by the National Geodetic Survey in November 1994. HV8482 HV8482.The NAVD 88 height was computed by applying the VERTCON shift value to HV8482.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV8482 HV8482.The Laplace correction was computed from DEFLEC99 derived deflections. HV8482 HV8482.The geoid height was determined by GEOID99. HV8482 HV8482; North East Units Scale Converg. HV8482;SPC VA N - 2,136,536.862 3,611,413.503 MT 0.99995964 +0 48 05.5 HV8482;UTM 18 - 4,306,870.970 307,825.728 MT 1.00005478 -1 23 29.5 HV8482 HV8482 SUPERSEDED SURVEY CONTROL HV8482 HV8482 NAD 83(1993)- 38 53 22.94479(N) 077 12 56.73727(W) AD( ) 2 HV8482 NAD 83(1986)- 38 53 22.94462(N) 077 12 56.74669(W) AD( ) 2 HV8482 NGVD 29 (01/12/90) 125. (m) 410. (f) VERT ANG HV8482 HV8482.Superseded values are not recommended for survey control. HV8482.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8482.See file dsdata.txt to determine how the superseded data were derived. HV8482 HV8482_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0782606871(NAD 83) HV8482_MARKER: DD = SURVEY DISK HV8482_SETTING: 4 = SET IN TOP OF IRREGULAR CONCRETE HV8482_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV8482_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV8482+SATELLITE: SATELLITE OBSERVATIONS - September 17, 2003 HV8482 HV8482 HISTORY - Date Condition Report By HV8482 HISTORY - 1969 MONUMENTED VA-059 HV8482 HISTORY - 1977 GOOD VA-059 HV8482 HISTORY - 20030917 GOOD INDIV HV8482 HV8482 STATION DESCRIPTION HV8482 HV8482'DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1969 (HWC) HV8482'STATION IS 1.4 MILES SOUTH OF THE CAPITOL BELTWAY, ROUTE I-495, AND HV8482'ROUTE 7. HV8482' HV8482'FROM JUNCTION I-495 AND ROUTE 7 PROCEED SOUTHEAST ALONG LEESBURG PIKE, HV8482'ROUTE 7, THEN 0.7 MILES SOUTHWEST ALONG IDYLWOOD ROAD, THEN 0.25 MILES HV8482'SOUTHWEST ALONG HURST ROAD TO INTERSECTION VIRGINIA LANE, THEN 0.25 HV8482'MILES WEST SOUTHWEST ALONG A PRIVATE GRAVEL DRIVEWAY, 81.0 FEET HV8482'SOUTHWEST OF CENTER LINE OLD RAILROAD CROSSING, 14.8 FEET SOUTH OF HV8482'POWER POLE TK55 IN CONCRETE MASS. HV8482' HV8482'STATION IS A STANDARD FAIRFAX COUNTY DISC STAMPED---IDYL 1969---. HV8482 HV8482 STATION RECOVERY (1977) HV8482 HV8482'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1977 (EYB) HV8482'THE STATION WAS RECOVERED IN GOOD CONDITION AS PER THE ORIGINAL HV8482'DESCRIPTION. HV8482 HV8482 STATION RECOVERY (2003) HV8482 HV8482'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 HV8482'RECOVERED AS DESCRIBED 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV8819 *********************************************************************** HV8819 DESIGNATION - J 383 RESET HV8819 PID - HV8819 HV8819 STATE/COUNTY- VA/FAIRFAX HV8819 USGS QUAD - FAIRFAX (1994) HV8819 HV8819 *CURRENT SURVEY CONTROL HV8819 ___________________________________________________________________ HV8819* NAD 83(1986)- 38 52 21. (N) 077 15 15. (W) SCALED HV8819* NAVD 88 - 93.66 (meters) 307.3 (feet) RESET HV8819 ___________________________________________________________________ HV8819 GEOID HEIGHT- -31.81 (meters) GEOID99 HV8819 HV8819 VERT ORDER - THIRD HV8819 HV8819.The horizontal coordinates were scaled from a topographic map and have HV8819.an estimated accuracy of +/- 6 seconds. HV8819 HV8819.The orthometric height was computed from unverified reset data. HV8819.No vertical observational check was made to the station. HV8819 HV8819.The geoid height was determined by GEOID99. HV8819 HV8819; North East Units Estimated Accuracy HV8819;SPC VA N - 2,134,580. 3,608,110. MT (+/- 180 meters Scaled) HV8819 HV8819 SUPERSEDED SURVEY CONTROL HV8819 HV8819 NGVD 29 (10/07/03) 93.89 (m) 308.0 (f) RESET 3 HV8819 HV8819.Superseded values are not recommended for survey control. HV8819.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8819.See file dsdata.txt to determine how the superseded data were derived. HV8819 HV8819_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ044050(NAD 83) HV8819_MARKER: DB = BENCH MARK DISK HV8819_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV8819_STAMPING: J 383 RESET 1986 HV8819_MARK LOGO: VADHT HV8819_PROJECTION: FLUSH HV8819_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV8819+STABILITY: SURFACE MOTION HV8819 HV8819 HISTORY - Date Condition Report By HV8819 HISTORY - 1986 MONUMENTED VADHT HV8819 HV8819 STATION DESCRIPTION HV8819 HV8819'DESCRIBED BY VA DEPT HWYS-TRANSP 1986 HV8819'2.3 KM (1.40 MI) WEST FROM MERRIFIELD. HV8819'1.4 MILES WEST ALONG U.S. HIGHWAY 29 AND 211 FROM THE POST OFFICE IN HV8819'MERRIFIELD, 98 FEET SOUTH OF THE CENTERLINE OF THE HIGHWAY, 49 FEET HV8819'EAST OF A DROP INLET AT THE SOUTHEAST CORNER OF THE INTERSECTION OF HV8819'HIGHWAY 29 AND 211 AND ROUTE 5188 (ELLENWOOD DRIVE) AND 4 FEET SOUTH HV8819'OF A CONCRETE SIDEWALK. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2222 *********************************************************************** HV2222 DESIGNATION - L 231 RESET 1955 HV2222 PID - HV2222 HV2222 STATE/COUNTY- VA/FAIRFAX HV2222 USGS QUAD - ANNANDALE (1994) HV2222 HV2222 *CURRENT SURVEY CONTROL HV2222 ___________________________________________________________________ HV2222* NAD 83(1986)- 38 52 23. (N) 077 09 30. (W) SCALED HV2222* NAVD 88 - 117.42 (meters) 385.2 (feet) RESET HV2222 ___________________________________________________________________ HV2222 GEOID HEIGHT- -31.90 (meters) GEOID99 HV2222 HV2222 VERT ORDER - THIRD HV2222 HV2222.The horizontal coordinates were scaled from a topographic map and have HV2222.an estimated accuracy of +/- 6 seconds. HV2222 HV2222.The orthometric height was computed from unverified reset data. HV2222.No vertical observational check was made to the station. HV2222 HV2222.The geoid height was determined by GEOID99. HV2222 HV2222; North East Units Estimated Accuracy HV2222;SPC VA N - 2,134,760. 3,616,420. MT (+/- 180 meters Scaled) HV2222 HV2222 SUPERSEDED SURVEY CONTROL HV2222 HV2222 NGVD 29 (??/??/??) 117.66 (m) 386.0 (f) RESET 3 HV2222 HV2222.Superseded values are not recommended for survey control. HV2222.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2222.See file dsdata.txt to determine how the superseded data were derived. HV2222 HV2222_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ127049(NAD 83) HV2222_MARKER: DB = BENCH MARK DISK HV2222_SETTING: 30 = WALL HV2222_STAMPING: L 231 RESET 1955 HV2222_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2222 HV2222 HISTORY - Date Condition Report By HV2222 HISTORY - 1955 MONUMENTED CGS HV2222 HISTORY - 20020831 MARK NOT FOUND INDIV HV2222 HV2222 STATION DESCRIPTION HV2222 HV2222'DESCRIBED BY COAST AND GEODETIC SURVEY 1955 HV2222'0.9 MI SE FROM FALLS CHURCH. HV2222'0.9 MILE SOUTHEAST ALONG EAST BROAD STREET FROM THE INTERSECTION HV2222'OF U.S. HIGHWAY 211 AT FALLS CHURCH, FAIRFAX COUNTY, AT FORT HV2222'BUFFALO (SEVEN CORNERS), HILLWOOD AVENUE, AT THE NORTHEAST HV2222'CORNER OF THE GIANT FOOD STORE, ON THE WEST SIDE OF A DRIVEWAY HV2222'LEADING FROM THE AVENUE TO A DOOR IN THE CORNER OF THE BUILDING, HV2222'IN A LEDGE IN A CONCRETE WALL, 1-1/2 FEET ABOVE THE DRIVEWAY, AND HV2222'5-1/2 PACES FROM THE BUILDING. A STANDARD DISK, STAMPED L 231 HV2222'RESET 1955. HV2222 HV2222 STATION RECOVERY (2002) HV2222 HV2222'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (APC) HV2222'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2226 *********************************************************************** HV2226 DESIGNATION - M 231 RESET 1955 HV2226 PID - HV2226 HV2226 STATE/COUNTY- VA/FAIRFAX HV2226 USGS QUAD - ANNANDALE (1994) HV2226 HV2226 *CURRENT SURVEY CONTROL HV2226 ___________________________________________________________________ HV2226* NAD 83(1986)- 38 51 01. (N) 077 07 48. (W) SCALED HV2226* NAVD 88 - 78.11 (meters) 256.3 (feet) RESET HV2226 ___________________________________________________________________ HV2226 GEOID HEIGHT- -31.97 (meters) GEOID99 HV2226 HV2226 VERT ORDER - THIRD HV2226 HV2226.The horizontal coordinates were scaled from a topographic map and have HV2226.an estimated accuracy of +/- 6 seconds. HV2226 HV2226.The orthometric height was computed from unverified reset data. HV2226.No vertical observational check was made to the station. HV2226 HV2226.The geoid height was determined by GEOID99. HV2226 HV2226; North East Units Estimated Accuracy HV2226;SPC VA N - 2,132,270. 3,618,920. MT (+/- 180 meters Scaled) HV2226 HV2226 SUPERSEDED SURVEY CONTROL HV2226 HV2226 NGVD 29 (??/??/??) 78.36 (m) 257.1 (f) RESET 3 HV2226 HV2226.Superseded values are not recommended for survey control. HV2226.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2226.See file dsdata.txt to determine how the superseded data were derived. HV2226 HV2226_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ151023(NAD 83) HV2226_MARKER: DB = BENCH MARK DISK HV2226_SETTING: 36 = BUILDING HV2226_STAMPING: M 231 RESET 1955 HV2226_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV2226 HV2226 HISTORY - Date Condition Report By HV2226 HISTORY - 1955 MONUMENTED CGS HV2226 HISTORY - 1961 GOOD LOCSUR HV2226 HV2226 STATION DESCRIPTION HV2226 HV2226'DESCRIBED BY COAST AND GEODETIC SURVEY 1955 HV2226'3.1 MI SE FROM FALLS CHURCH. HV2226'3.1 MILES SOUTHEAST ALONG STATE HIGHWAY 7 FROM FALLS CHURCH, HV2226'FAIRFAX COUNTY, 0.1 MILE SOUTHEAST OF BAILEYS CROSSROADS HV2226'(INTERSECTIONS OF STATE HIGHWAYS 7 AND 244), AT BAILEYS CROSSROADS HV2226'VOLUNTEER FIRE DEPARTMENT, AT THE SOUTHWEST CORNER AND IN THE HV2226'SOUTH FACE OF THE BUILDING, AND 3.3 FEET ABOVE THE GROUND. HV2226 HV2226 STATION RECOVERY (1961) HV2226 HV2226'RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1961 HV2226'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV4828 *********************************************************************** HV4828 DESIGNATION - MARCY PB AND PP HV4828 PID - HV4828 HV4828 STATE/COUNTY- VA/FAIRFAX HV4828 USGS QUAD - FALLS CHURCH (1994) HV4828 HV4828 *CURRENT SURVEY CONTROL HV4828 ___________________________________________________________________ HV4828* NAD 83(1993)- 38 56 07.76830(N) 077 07 34.44422(W) ADJUSTED HV4828* NAVD 88 - 76. (meters) 249. (feet) SCALED HV4828 ___________________________________________________________________ HV4828 LAPLACE CORR- -2.36 (seconds) DEFLEC99 HV4828 GEOID HEIGHT- -31.86 (meters) GEOID99 HV4828 HV4828 HORZ ORDER - SECOND HV4828 HV4828.The horizontal coordinates were established by classical geodetic methods HV4828.and adjusted by the National Geodetic Survey in November 1994. HV4828 HV4828.The orthometric height was scaled from a topographic map. HV4828 HV4828.The Laplace correction was computed from DEFLEC99 derived deflections. HV4828 HV4828.The geoid height was determined by GEOID99. HV4828 HV4828; North East Units Scale Converg. HV4828;SPC VA N - 2,141,731.191 3,619,103.585 MT 0.99996375 +0 51 26.6 HV4828;SPC MD - 140,852.688 389,055.383 MT 0.99995039 -0 04 45.2 HV4828;SPC MD - 462,114.19 1,276,425.87 sFT 0.99995039 -0 04 45.2 HV4828;UTM 18 - 4,311,767.522 315,709.577 MT 1.00001822 -1 20 11.8 HV4828 HV4828: Primary Azimuth Mark Grid Az HV4828:SPC VA N - GANT PB AND PP 1930 311 24 57.6 HV4828:SPC MD - GANT PB AND PP 1930 312 21 09.4 HV4828:UTM 18 - GANT PB AND PP 1930 313 36 36.0 HV4828 HV4828|---------------------------------------------------------------------| HV4828| PID Reference Object Distance Geod. Az | HV4828| dddmmss.s | HV4828| HV4820 GANT PB AND PP 1930 APPROX. 1.3 KM 3121624.2 | HV4828|---------------------------------------------------------------------| HV4828 HV4828 SUPERSEDED SURVEY CONTROL HV4828 HV4828 NAD 83(1993)- 38 56 07.76734(N) 077 07 34.44597(W) AD( ) 2 HV4828 NAD 83(1986)- 38 56 07.76720(N) 077 07 34.45577(W) AD( ) 2 HV4828 NAD 27 - 38 56 07.36800(N) 077 07 35.52500(W) AD( ) 2 HV4828 HV4828.Superseded values are not recommended for survey control. HV4828.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV4828.See file dsdata.txt to determine how the superseded data were derived. HV4828 HV4828_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ1571011768(NAD 83) HV4828_MARKER: DO = NOT SPECIFIED OR SEE DESCRIPTION HV4828_SETTING: 17 = SET INTO TOP OF METAL PIPE DRIVEN INTO GROUND HV4828_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV4828_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV4828+SATELLITE: SATELLITE OBSERVATIONS - September 11, 2003 HV4828 HV4828 HISTORY - Date Condition Report By HV4828 HISTORY - 1930 MONUMENTED PBPP HV4828 HISTORY - 1946 GOOD CGS HV4828 HISTORY - 1956 GOOD CGS HV4828 HISTORY - 1973 GOOD NGS HV4828 HISTORY - 20030911 GOOD NPS HV4828 HV4828 STATION DESCRIPTION HV4828 HV4828'DESCRIBED BY PUB BLDGS AND PARKS 1930 HV4828'STATION IS ON THE ROAD LEADING FROM CHAIN BRIDGE TO LANGLEY, HV4828'VIRGINIA. IT IS IN FAIRFAX COUNTY, ABOUT 0.3 MILE PAST THE HV4828'BOUNDARY LINE BETWEEN FAIRFAX AND ARLINGTON COUNTIES. IT IS HV4828'SITUATED ON A KNOLL (OLD FORT MARCY), ABOUT 100 FEET S OF S HV4828'EDGE OF ABOVE ROAD. STATION IS ON TOP OF THE HIGHEST EMBANKMENT HV4828'OF THE OLD EARTHWORKS ON THE N SIDE OF FORT MARCY. IT IS NEAR HV4828'THE ANGLE IN EMBANKMENT WHICH IS CLOSEST TO THE LEESBURG PIKE. HV4828' HV4828'STATION IS A STANDARD U.S.P.B. AND P.P. MARK SET IN CONCRETE IN A HV4828'5-INCH IRON PIPE. UNDERGROUND MARK IS A SOFT DRINK BOTTLE WITH HV4828'TOP ABOUT 3 FEET 6 INCHES BELOW SURFACE OF GROUND. HV4828 HV4828 STATION RECOVERY (1946) HV4828 HV4828'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1946 (JMN) HV4828'STATION RECOVERED AS DESCRIBED AND FOUND TO BE IN GOOD CONDITION. HV4828'MARK IS FLUSH WITH GROUND. HV4828 HV4828 STATION RECOVERY (1956) HV4828 HV4828'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1956 (ROW) HV4828'RECOVERED A P.B. AND P.P., APPROXIMATELY 3-3/4 IN. DIAMETER, HV4828'UNSTAMPED DISK, IN CONCRETE IN A 5-IN. IRON PIPE. LOCATED ON TOP HV4828'OF OLD FT. MARCY EARTH PARAPET, AT N CORNER, AND ABOUT 75 FT. SW HV4828'OF TWO SMALL PINE TREES ON TOP OF A CUT NEAR THE ROAD. A HV4828'WHITE 4- BY 4-IN. WITNESS POST IS 3 FT. SW. HV4828 HV4828 STATION RECOVERY (1973) HV4828 HV4828'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973 (DRD) HV4828'STATION RECOVERED IN GOOD CONDITION. (UNSTAMPED STANDARD U.S.P.B. HV4828'AND P.P. BRONZE DISK). HV4828' HV4828'TO REACH FROM ENTRANCE TO KEY BRIDGE IN ROSSLYN VA. PROCEED NW HV4828'APPOX. 3.7 MILES TO THE ENTRANCE OF FORT MARCY ON RIGHT. STATION IS HV4828'LOCATED ON EARTH PARAPET AT N CORNER. HV4828 HV4828 STATION RECOVERY (2003) HV4828 HV4828'RECOVERY NOTE BY NATIONAL PARK SERVICE 2003 (SAM) HV4828'STATION RECOVERED IN GOOD CONDITION. UNSTAMPED U.S.P.B. AND P.P. HV4828'BRONZE DISK SET IN PIPE. THE DISK IS SET ON TOP OF THE PARAPET SOUTH HV4828'OF CHAIN BRIDGE RD, ROUTE 123, AND 34FEET NE OF THE CANNON. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV4824 *********************************************************************** HV4824 DESIGNATION - MCLEAN ST JOHNS EPIS CH CROSS HV4824 PID - HV4824 HV4824 STATE/COUNTY- VA/FAIRFAX HV4824 USGS QUAD - FALLS CHURCH (1994) HV4824 HV4824 *CURRENT SURVEY CONTROL HV4824 ___________________________________________________________________ HV4824* NAD 83(1993)- 38 56 58.70893(N) 077 10 35.10840(W) ADJUSTED HV4824* NAVD 88 - HV4824 ___________________________________________________________________ HV4824 LAPLACE CORR- -2.04 (seconds) DEFLEC99 HV4824 GEOID HEIGHT- -31.79 (meters) GEOID99 HV4824 HV4824 HORZ ORDER - THIRD HV4824 HV4824.The horizontal coordinates were established by classical geodetic methods HV4824.and adjusted by the National Geodetic Survey in November 1994. HV4824 HV4824 HV4824.The Laplace correction was computed from DEFLEC99 derived deflections. HV4824 HV4824.The geoid height was determined by GEOID99. HV4824 HV4824; North East Units Scale Converg. HV4824;SPC VA N - 2,143,237.926 3,614,730.319 MT 0.99996515 +0 49 33.9 HV4824;UTM 18 - 4,313,440.705 311,396.934 MT 1.00003803 -1 22 06.9 HV4824 HV4824 SUPERSEDED SURVEY CONTROL HV4824 HV4824 NAD 83(1993)- 38 56 58.70810(N) 077 10 35.11013(W) AD( ) 4 HV4824 NAD 83(1986)- 38 56 58.70810(N) 077 10 35.11955(W) AD( ) 4 HV4824 NAD 27 - 38 56 58.30906(N) 077 10 36.18393(W) AD( ) 3 HV4824 HV4824.Superseded values are not recommended for survey control. HV4824.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV4824.See file dsdata.txt to determine how the superseded data were derived. HV4824 HV4824_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ1139713441(NAD 83) HV4824_MARKER: 91 = CHURCH CROSS HV4824 HV4824 HISTORY - Date Condition Report By HV4824 HISTORY - 1969 FIRST OBSERVED CGS HV4824 HISTORY - 20030828 GOOD GEOCAC HV4824 HV4824 STATION DESCRIPTION HV4824 HV4824'DESCRIBED BY COAST AND GEODETIC SURVEY 1969 (JBJ) HV4824'THE STATION IS THE TOP CENTER OF THE GOLD CROSS ON TOP OF THE GOLD HV4824'DOME OF THE MC LEAN SAINT JOHNS EPISCOPAL CHURCH. THE STATION IS HV4824'ABOUT 50 FEET ABOVE THE GROUND. HV4824' HV4824'THE STATION IS LOCATED AT THE INTERSECTION OF OLD GEORGETOWN PIKE HV4824'AND DOUGLAS DRIVE, NORTHWEST OF THE CITY OF MC LEAN. HV4824 HV4824 STATION RECOVERY (2003) HV4824 HV4824'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV4824'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 JV6893 *********************************************************************** JV6893 DESIGNATION - Q 229 RESET JV6893 PID - JV6893 JV6893 STATE/COUNTY- VA/FAIRFAX JV6893 USGS QUAD - SENECA (1994) JV6893 JV6893 *CURRENT SURVEY CONTROL JV6893 ___________________________________________________________________ JV6893* NAD 83(1986)- 39 00 21. (N) 077 22 26. (W) SCALED JV6893* NAVD 88 - 72.97 (meters) 239.4 (feet) RESET JV6893 ___________________________________________________________________ JV6893 GEOID HEIGHT- -31.82 (meters) GEOID99 JV6893 JV6893 VERT ORDER - THIRD JV6893 JV6893.The horizontal coordinates were scaled from a topographic map and have JV6893.an estimated accuracy of +/- 6 seconds. JV6893 JV6893.The orthometric height was computed from unverified reset data. JV6893.No vertical observational check was made to the station. JV6893 JV6893.The geoid height was determined by GEOID99. JV6893 JV6893; North East Units Estimated Accuracy JV6893;SPC VA N - 2,149,250. 3,597,540. MT (+/- 180 meters Scaled) JV6893 JV6893 SUPERSEDED SURVEY CONTROL JV6893 JV6893 NGVD 29 (10/07/03) 73.19 (m) 240.1 (f) RESET 3 JV6893 JV6893.Superseded values are not recommended for survey control. JV6893.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6893.See file dsdata.txt to determine how the superseded data were derived. JV6893 JV6893_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ944201(NAD 83) JV6893_MARKER: DV = VERTICAL CONTROL DISK JV6893_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV6893_STAMPING: Q 229 RESET 1990 JV6893_MARK LOGO: NGS JV6893_MAGNETIC: N = NO MAGNETIC MATERIAL JV6893_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6893+STABILITY: SURFACE MOTION JV6893 JV6893 HISTORY - Date Condition Report By JV6893 HISTORY - 1990 MONUMENTED NGS JV6893 HISTORY - 19920131 GOOD MSI JV6893 JV6893 STATION DESCRIPTION JV6893 JV6893'DESCRIBED BY NATIONAL GEODETIC SURVEY 1990 JV6893'3.0 MILES EAST ALONG SECONDARY STATE HIGHWAY 625 FROM THE PUBLIC JV6893'SCHOOL IN STERLING, AT THE JUNCTION OF STATE HIGHWAY 228 AND 604, 68 JV6893'FEET NORTH OF THE CENTERLINE OF SECONDARY STATE HIGHWAY 604, 71 FEET JV6893'WEST OF THE CENTERLINE OF STATE HIGHWAY 228, 55 FEET NORTHEAST OF JV6893'VIRGINIA POWER COMPANY POLE EX 74, MARK PROJECTS 4 INCHES. JV6893 JV6893 STATION RECOVERY (1992) JV6893 JV6893'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 JV6893'IN FAIRFAX COUNTY, 3.0 MILES (4.8 KM) EAST ALONG SECONDARY STATE JV6893'HIGHWAY 625 FROM THE PUBLIC SCHOOL AT STERLING, LOUDOUN COUNTY, AT JV6893'THE JUNCTION OF STATE HIGHWAYS 28 AND 604, 68 FEET (20.7 M) NORTH OF JV6893'CENTERLINE OF SECONDARY HIGHWAY 604, 71 FEET (21.6 M) WEST OF JV6893'CENTERLINE OF STATE HIGHWAY 28, 55 FEET (16.8 M) NORTHEAST OF VPCO JV6893'POWER POLE NUMBER EX74, IN TOP OF A CONCRETE POST PROJECTING 4 JV6893'INCHES. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV7979 *********************************************************************** HV7979 DESIGNATION - R 230 RESET 1977 HV7979 PID - HV7979 HV7979 STATE/COUNTY- VA/FAIRFAX HV7979 USGS QUAD - VIENNA (1994) HV7979 HV7979 *CURRENT SURVEY CONTROL HV7979 ___________________________________________________________________ HV7979* NAD 83(1986)- 38 55 07. (N) 077 18 14. (W) SCALED HV7979* NAVD 88 - 95.36 (meters) 312.9 (feet) RESET HV7979 ___________________________________________________________________ HV7979 GEOID HEIGHT- -31.74 (meters) GEOID99 HV7979 HV7979 VERT ORDER - THIRD HV7979 HV7979.The horizontal coordinates were scaled from a topographic map and have HV7979.an estimated accuracy of +/- 6 seconds. HV7979 HV7979.The orthometric height was computed from unverified reset data. HV7979.No vertical observational check was made to the station. HV7979 HV7979.The geoid height was determined by GEOID99. HV7979 HV7979; North East Units Estimated Accuracy HV7979;SPC VA N - 2,139,640. 3,603,730. MT (+/- 180 meters Scaled) HV7979 HV7979 SUPERSEDED SURVEY CONTROL HV7979 HV7979 NGVD 29 (??/??/??) 95.60 (m) 313.6 (f) RESET 3 HV7979 HV7979.Superseded values are not recommended for survey control. HV7979.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV7979.See file dsdata.txt to determine how the superseded data were derived. HV7979 HV7979_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ002102(NAD 83) HV7979_MARKER: DB = BENCH MARK DISK HV7979_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV7979_STAMPING: R 230 RESET 1977 HV7979_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV7979+STABILITY: SURFACE MOTION HV7979 HV7979 HISTORY - Date Condition Report By HV7979 HISTORY - 1977 MONUMENTED NGS HV7979 HV7979 STATION DESCRIPTION HV7979 HV7979'DESCRIBED BY NATIONAL GEODETIC SURVEY 1977 HV7979'4.2 MI S FROM BROWNS CHAPEL. HV7979'4.2 MILES SOUTH ALONG SECONDARY STATE HIGHWAY 674 FROM BROWNS HV7979'CHAPEL, AT THE BOTTOM OF A HILL WHERE 2 ROADS LEAD EAST, 72.3 FT HV7979'E OF NEW LOCATION RTE 674, 142 FT N OF ST RTE 673, SET IN TOP OF HV7979'CONCRETE POST PROJECTING 6 INCHES ABOVE GROUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2410 *********************************************************************** HV2410 DESIGNATION - R 385 RESET 1964 HV2410 PID - HV2410 HV2410 STATE/COUNTY- VA/FAIRFAX HV2410 USGS QUAD - FORT BELVOIR (1983) HV2410 HV2410 *CURRENT SURVEY CONTROL HV2410 ___________________________________________________________________ HV2410* NAD 83(1986)- 38 44 13. (N) 077 11 33. (W) SCALED HV2410* NAVD 88 - 41.81 (meters) 137.2 (feet) RESET HV2410 ___________________________________________________________________ HV2410 GEOID HEIGHT- -32.13 (meters) GEOID99 HV2410 HV2410 VERT ORDER - THIRD HV2410 HV2410.The horizontal coordinates were scaled from a topographic map and have HV2410.an estimated accuracy of +/- 6 seconds. HV2410 HV2410.The orthometric height was computed from unverified reset data. HV2410.No vertical observational check was made to the station. HV2410 HV2410.The geoid height was determined by GEOID99. HV2410 HV2410; North East Units Estimated Accuracy HV2410;SPC VA N - 2,119,610. 3,613,670. MT (+/- 180 meters Scaled) HV2410 HV2410 SUPERSEDED SURVEY CONTROL HV2410 HV2410 NGVD 29 (??/??/??) 42.07 (m) 138.0 (f) RESET 3 HV2410 HV2410.Superseded values are not recommended for survey control. HV2410.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2410.See file dsdata.txt to determine how the superseded data were derived. HV2410 HV2410_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH094898(NAD 83) HV2410_MARKER: DB = BENCH MARK DISK HV2410_SETTING: 30 = CULVERT HV2410_STAMPING: R 385 RESET 1964 HV2410_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2410 HV2410 HISTORY - Date Condition Report By HV2410 HISTORY - 1964 MONUMENTED VADH HV2410 HISTORY - 1965 GOOD CGS HV2410 HV2410 STATION DESCRIPTION HV2410 HV2410'DESCRIBED BY COAST AND GEODETIC SURVEY 1965 HV2410'2.9 MI NE FROM LORTON. HV2410'ABOUT 2.9 MILES NORTHEAST ALONG SHIRLEY MEMORIAL HIGHWAY FROM HV2410'OVERPASS OVER TELEGRAPH ROAD AT LORTON, ABOUT 3.05 MILES SOUTHWEST HV2410'ALONG SHIRLEY MEMORIAL HIGHWAY FROM OVERPASS OF FRANCONIA ROAD HV2410'AT SPRINGFIELD HIGHWAY, 31 FEET RIGHT OF RIGHT EDGE OF CONCRETE HV2410'PAVEMENT NORTH BOUND LANE OF HIGHWAY, IN TOP OF CONCRETE L WALL HV2410'ON END OF 18 INCH CONCRETE PIPE CULVERT UNDER HIGHWAY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2412 *********************************************************************** HV2412 DESIGNATION - S 385 RESET 1964 HV2412 PID - HV2412 HV2412 STATE/COUNTY- VA/FAIRFAX HV2412 USGS QUAD - FORT BELVOIR (1983) HV2412 HV2412 *CURRENT SURVEY CONTROL HV2412 ___________________________________________________________________ HV2412* NAD 83(1986)- 38 43 31. (N) 077 12 13. (W) SCALED HV2412* NAVD 88 - 21.85 (meters) 71.7 (feet) RESET HV2412 ___________________________________________________________________ HV2412 GEOID HEIGHT- -32.14 (meters) GEOID99 HV2412 HV2412 VERT ORDER - THIRD HV2412 HV2412.The horizontal coordinates were scaled from a topographic map and have HV2412.an estimated accuracy of +/- 6 seconds. HV2412 HV2412.The orthometric height was computed from unverified reset data. HV2412.No vertical observational check was made to the station. HV2412 HV2412.The geoid height was determined by GEOID99. HV2412 HV2412; North East Units Estimated Accuracy HV2412;SPC VA N - 2,118,300. 3,612,730. MT (+/- 180 meters Scaled) HV2412 HV2412 SUPERSEDED SURVEY CONTROL HV2412 HV2412 NGVD 29 (??/??/??) 22.11 (m) 72.5 (f) RESET 3 HV2412 HV2412.Superseded values are not recommended for survey control. HV2412.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2412.See file dsdata.txt to determine how the superseded data were derived. HV2412 HV2412_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH084885(NAD 83) HV2412_MARKER: DB = BENCH MARK DISK HV2412_SETTING: 36 = BRIDGE WALL HV2412_STAMPING: S 385 RESET 1964 HV2412_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV2412 HV2412 HISTORY - Date Condition Report By HV2412 HISTORY - 1964 MONUMENTED VADH HV2412 HISTORY - 1965 GOOD CGS HV2412 HV2412 STATION DESCRIPTION HV2412 HV2412'DESCRIBED BY COAST AND GEODETIC SURVEY 1965 HV2412'1.9 MI NE FROM LORTON. HV2412'ABOUT 1.9 MILES NORTH-EAST ALONG SHIRLEY MEMORIAL HIGHWAY (RTE. HV2412'95) FROMOVERPASS OVER TELEGRAPH ROAD (STATE RTE. 642) AT LORTON, HV2412'30 FEET SOUTH OF CENTERLINE OF HIGHWAY SOUTH-BOUND LANE, IN HV2412'SOUTH WEST END OF WEST PARAPET WALL CONCRETE HIGHWAY BRIDGE OVER HV2412'ACCOTINK CREEK AND ABOUT 2 FEET ABOVE LEVEL OF HIGHWAY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2819 *********************************************************************** HV2819 DESIGNATION - S 89 RESET 1941 HV2819 PID - HV2819 HV2819 STATE/COUNTY- VA/FAIRFAX HV2819 USGS QUAD - VIENNA (1994) HV2819 HV2819 *CURRENT SURVEY CONTROL HV2819 ___________________________________________________________________ HV2819* NAD 83(1986)- 38 57 30. (N) 077 16 30. (W) SCALED HV2819* NAVD 88 - 86.77 (meters) 284.7 (feet) RESET HV2819 ___________________________________________________________________ HV2819 GEOID HEIGHT- -31.72 (meters) GEOID99 HV2819 HV2819 VERT ORDER - THIRD HV2819 HV2819.The horizontal coordinates were scaled from a topographic map and have HV2819.an estimated accuracy of +/- 6 seconds. HV2819 HV2819.The orthometric height was computed from unverified reset data. HV2819.No vertical observational check was made to the station. HV2819 HV2819.The geoid height was determined by GEOID99. HV2819 HV2819; North East Units Estimated Accuracy HV2819;SPC VA N - 2,144,080. 3,606,170. MT (+/- 180 meters Scaled) HV2819 HV2819 SUPERSEDED SURVEY CONTROL HV2819 HV2819 NGVD 29 (??/??/??) 87.00 (m) 285.4 (f) RESET 3 HV2819 HV2819.Superseded values are not recommended for survey control. HV2819.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2819.See file dsdata.txt to determine how the superseded data were derived. HV2819 HV2819_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ028146(NAD 83) HV2819_MARKER: DD = SURVEY DISK HV2819_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2819_STAMPING: S 89 RESET 1941 HV2819_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2819+STABILITY: SURFACE MOTION HV2819 HV2819 HISTORY - Date Condition Report By HV2819 HISTORY - 1941 MONUMENTED VADH HV2819 HISTORY - 1964 GOOD CGS HV2819 HV2819 STATION DESCRIPTION HV2819 HV2819'DESCRIBED BY COAST AND GEODETIC SURVEY 1964 HV2819'7.6 MI NW FROM FALLS CHURCH. HV2819'7.6 MILES NORTHWEST ALONG STATE HIGHWAY 7 FROM THE ODD FELLOWS HV2819'BUILDING AT FALLS CHURCH, FAIRFAX COUNTY, 0.7 MILE SOUTHEAST OF HV2819'THE BRIDGE OVER DIFFICULT RUN, 0.15 MILE NORTHWEST OF THE JUNCTION HV2819'OF STATE SECONDARY HIGHWAY 675, AT THE ENTRANCE DRIVE TO THE C.C. HV2819'LAWSON RESIDENCE, 39 FEET NORTHEAST OF THE CENTER LINE OF THE HV2819'HIGHWAY, 10 FEET NORTHWEST OF THE SIDE ROAD, AND 3 FEET NORTH OF HV2819'POLE 262. A STANDARD DISK, STAMPED S 89 RESET 1941 AND SET IN HV2819'THE TOP OF A CONCRETE POST PROJECTING ABOUT 2 INCHES ABOVE GROUND. HV2819'NOTE-- THIS BENCH MARK WAS ESTABLISHED AND ITS ELEVATION DETERMINED HV2819'BY ENGINEERS OF THE STATE DEPARTMENT OF HIGHWAYS IN THE SUMMER OF HV2819'1941. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2708 *********************************************************************** HV2708 DESIGNATION - T 230 RESET 1961 HV2708 PID - HV2708 HV2708 STATE/COUNTY- VA/FAIRFAX HV2708 USGS QUAD - VIENNA (1994) HV2708 HV2708 *CURRENT SURVEY CONTROL HV2708 ___________________________________________________________________ HV2708* NAD 83(1986)- 38 52 48. (N) 077 18 06. (W) SCALED HV2708* NAVD 88 - 126.69 (meters) 415.6 (feet) RESET HV2708 ___________________________________________________________________ HV2708 GEOID HEIGHT- -31.77 (meters) GEOID99 HV2708 HV2708 VERT ORDER - THIRD HV2708 HV2708.The horizontal coordinates were scaled from a topographic map and have HV2708.an estimated accuracy of +/- 6 seconds. HV2708 HV2708.The orthometric height was computed from unverified reset data. HV2708.No vertical observational check was made to the station. HV2708 HV2708.The geoid height was determined by GEOID99. HV2708 HV2708; North East Units Estimated Accuracy HV2708;SPC VA N - 2,135,360. 3,603,980. MT (+/- 180 meters Scaled) HV2708 HV2708 SUPERSEDED SURVEY CONTROL HV2708 HV2708 NGVD 29 (??/??/??) 126.93 (m) 416.4 (f) RESET 3 HV2708 HV2708.Superseded values are not recommended for survey control. HV2708.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2708.See file dsdata.txt to determine how the superseded data were derived. HV2708 HV2708_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ003059(NAD 83) HV2708_MARKER: DB = BENCH MARK DISK HV2708_SETTING: 30 = CONC ISLAND HV2708_STAMPING: T 230 RESET 1961 HV2708_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2708 HV2708 HISTORY - Date Condition Report By HV2708 HISTORY - 1961 MONUMENTED CGS HV2708 HV2708 STATION DESCRIPTION HV2708 HV2708'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 HV2708'AT OAKTON. HV2708'AT OAKTON, ABOUT 0.1 MILE SOUTH OF THE JUNCTION OF SECONDARY HV2708'STATE HIGHWAY 674 AND STATE HIGHWAY 123, SET IN THE TOP OF THE HV2708'SOUTH END OF THE RAISED CONCRETE ISLAND SUPPORTING THE GAS HV2708'PUMPS OF THE ESSO SERVICE STATION, ABOUT 1/2 FOOT NORTH OF THE HV2708'SOUTH END OF THE ISLAND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV9062 *********************************************************************** HV9062 DESIGNATION - TRINITY AZ MK HV9062 PID - HV9062 HV9062 STATE/COUNTY- VA/FAIRFAX HV9062 USGS QUAD - FALLS CHURCH (1994) HV9062 HV9062 *CURRENT SURVEY CONTROL HV9062 ___________________________________________________________________ HV9062* NAD 83(1993)- 38 56 30.75273(N) 077 10 12.23191(W) ADJUSTED HV9062* NAVD 88 - 91.2 (meters) 299. (feet) VERTCON HV9062 ___________________________________________________________________ HV9062 LAPLACE CORR- -2.20 (seconds) DEFLEC99 HV9062 GEOID HEIGHT- -31.80 (meters) GEOID99 HV9062 HV9062 HORZ ORDER - SECOND HV9062 HV9062.The horizontal coordinates were established by classical geodetic methods HV9062.and adjusted by the National Geodetic Survey in November 1994. HV9062 HV9062.The NAVD 88 height was computed by applying the VERTCON shift value to HV9062.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV9062 HV9062.The Laplace correction was computed from DEFLEC99 derived deflections. HV9062 HV9062.The geoid height was determined by GEOID99. HV9062 HV9062; North East Units Scale Converg. HV9062;SPC VA N - 2,142,383.912 3,615,293.595 MT 0.99996437 +0 49 48.1 HV9062;SPC MD - 141,567.597 385,256.623 MT 0.99995051 -0 06 24.3 HV9062;SPC MD - 464,459.69 1,263,962.77 sFT 0.99995051 -0 06 24.3 HV9062;UTM 18 - 4,312,565.686 311,927.133 MT 1.00003557 -1 21 51.7 HV9062 HV9062 SUPERSEDED SURVEY CONTROL HV9062 HV9062 NAD 83(1993)- 38 56 30.75183(N) 077 10 12.23372(W) AD( ) 2 HV9062 NAD 83(1986)- 38 56 30.75187(N) 077 10 12.24312(W) AD( ) 2 HV9062 NGVD 29 (01/12/90) 91.5 (m) 300. (f) VERT ANG HV9062 HV9062.Superseded values are not recommended for survey control. HV9062.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9062.See file dsdata.txt to determine how the superseded data were derived. HV9062 HV9062_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ1192712566(NAD 83) HV9062_MARKER: DZ = AZIMUTH MARK DISK HV9062_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9062_STAMPING: TRINITY 1969 HV9062_MARK LOGO: CGS HV9062_MAGNETIC: O = OTHER; SEE DESCRIPTION HV9062_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9062+STABILITY: SURFACE MOTION HV9062 HV9062 HISTORY - Date Condition Report By HV9062 HISTORY - 1969 MONUMENTED VA-059 HV9062 HISTORY - 19920130 GOOD MSI HV9062 HISTORY - 20030828 GOOD GEOCAC HV9062 HV9062 STATION DESCRIPTION HV9062 HV9062'DESCRIBED BY MEASUREMENT SCIENCE INCORPORATED 1992 HV9062'TO REACH THE STATION FROM THE JUNCTION OF ROUTE 123 AND CHAIN BRIDGE HV9062'ROAD AT THE NORTH EDGE OF MCLEAN, GO NORTHEAST ON ROUTE 123 FOR 0.25 HV9062'MILE (0.40 KM) TO THE JUNCTION WITH BUCHANAN STREET AND THE AZIMUTH HV9062'ON THE LEFT, JUST BEFORE THE INTERSECTION, IN TOP OF A ROUND CONCRETE HV9062'POST IN THE MEDIAN STRIP. HV9062 HV9062 STATION RECOVERY (2003) HV9062 HV9062'RECOVERY NOTE BY GEOCACHING 2003 (APC) HV9062'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2228 *********************************************************************** HV2228 DESIGNATION - TT 2 T USGS RESET 1954 HV2228 PID - HV2228 HV2228 STATE/COUNTY- VA/FAIRFAX HV2228 USGS QUAD - ALEXANDRIA (1994) HV2228 HV2228 *CURRENT SURVEY CONTROL HV2228 ___________________________________________________________________ HV2228* NAD 83(1986)- 38 50 33. (N) 077 06 33. (W) SCALED HV2228* NAVD 88 - 51.04 (meters) 167.5 (feet) RESET HV2228 ___________________________________________________________________ HV2228 GEOID HEIGHT- -32.01 (meters) GEOID99 HV2228 HV2228 VERT ORDER - THIRD HV2228 HV2228.The horizontal coordinates were scaled from a topographic map and have HV2228.an estimated accuracy of +/- 6 seconds. HV2228 HV2228.The orthometric height was computed from unverified reset data. HV2228.No vertical observational check was made to the station. HV2228 HV2228.The geoid height was determined by GEOID99. HV2228 HV2228; North East Units Estimated Accuracy HV2228;SPC VA N - 2,131,430. 3,620,740. MT (+/- 180 meters Scaled) HV2228 HV2228 SUPERSEDED SURVEY CONTROL HV2228 HV2228 NGVD 29 (??/??/??) 51.41 (m) 168.7 (f) RESET 3 HV2228 HV2228.Superseded values are not recommended for survey control. HV2228.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2228.See file dsdata.txt to determine how the superseded data were derived. HV2228 HV2228_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ169014(NAD 83) HV2228_MARKER: DD = SURVEY DISK HV2228_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2228_STAMPING: TT 2 T RESET 1954 HV2228_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2228+STABILITY: SURFACE MOTION HV2228 HV2228 HISTORY - Date Condition Report By HV2228 HISTORY - 1954 MONUMENTED CGS HV2228 HV2228 STATION DESCRIPTION HV2228 HV2228'DESCRIBED BY COAST AND GEODETIC SURVEY 1954 HV2228'1.2 MI SE FROM BAILEYS CROSSROADS. HV2228'1.2 MILES SOUTHEAST ALONG STATE HIGHWAY 7 FROM BAILEYS CROSSROADS, HV2228'FAIRFAX COUNTY, IN ALEXANDRIA, 0.1 MILE SOUTHEAST OF A CITY-LIMIT HV2228'SIGN, 0.1 MILE NORTHWEST OF AN AMOCO SERVICE STATION, AT THE HV2228'JUNCTION OF CHESTERFIELD ROAD LEADING NORTH, 37 FEET SOUTH OF HV2228'THE CENTERLINE OF THE HIGHWAY, 12 FEET WEST OF THE CENTERLINE HV2228'OF THE ROAD, AND 11 FEET SOUTHWEST OF VEP POLE VD 42. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2719 *********************************************************************** HV2719 DESIGNATION - U 228 RESET 1968 HV2719 PID - HV2719 HV2719 STATE/COUNTY- VA/FAIRFAX HV2719 USGS QUAD - HERNDON (1994) HV2719 HV2719 *CURRENT SURVEY CONTROL HV2719 ___________________________________________________________________ HV2719* NAD 83(1986)- 38 54 19. (N) 077 27 32. (W) SCALED HV2719* NAVD 88 - 78.91 (meters) 258.9 (feet) RESET HV2719 ___________________________________________________________________ HV2719 GEOID HEIGHT- -31.89 (meters) GEOID99 HV2719 HV2719 VERT ORDER - THIRD HV2719 HV2719.The horizontal coordinates were scaled from a topographic map and have HV2719.an estimated accuracy of +/- 6 seconds. HV2719 HV2719.The orthometric height was computed from unverified reset data. HV2719.No vertical observational check was made to the station. HV2719 HV2719.The geoid height was determined by GEOID99. HV2719 HV2719; North East Units Estimated Accuracy HV2719;SPC VA N - 2,138,000. 3,590,300. MT (+/- 180 meters Scaled) HV2719 HV2719 SUPERSEDED SURVEY CONTROL HV2719 HV2719 NGVD 29 (??/??/??) 79.14 (m) 259.6 (f) RESET 3 HV2719 HV2719.Superseded values are not recommended for survey control. HV2719.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2719.See file dsdata.txt to determine how the superseded data were derived. HV2719 HV2719_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ867091(NAD 83) HV2719_MARKER: DB = BENCH MARK DISK HV2719_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2719_STAMPING: U 228 RESET 1968 HV2719_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2719+STABILITY: SURFACE MOTION HV2719 HV2719 HISTORY - Date Condition Report By HV2719 HISTORY - 1968 MONUMENTED VADH HV2719 HV2719 STATION DESCRIPTION HV2719 HV2719'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1968 HV2719'0.6 MI SE FROM PLEASANT VALLEY. HV2719'0.6 MILE SOUTHEAST ALONG U.S. HIGHWAY 50 FROM CUB RUN AT PLEASANT HV2719'VALLEY, SOUTH OF THE JUNCTION OF SECONDARY STATE HIGHWAY 607, HV2719'46.9 FEET SOUTH OF HIGHWAY STATION 429 + 96.4 OF THE EAST HV2719'BOUND LANE OF U.S. HIGHWAY 50, 9.4 FEET SOUTH OF A GUY POLE HV2719'MARKED IS, 10.8 FEET NORTH OF AN ANCHOR GUY WIRE, SET IN THE TOP HV2719'OF A CONCRETE POST PROJECTING 3 INCHES ABOVE THE GROUND, 1 1/2 HV2719'FEET NORTH OF A METAL WITNESS POST. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV1655 *********************************************************************** HV1655 DESIGNATION - V 231 RESET 1970 HV1655 PID - HV1655 HV1655 STATE/COUNTY- VA/FAIRFAX HV1655 USGS QUAD - ALEXANDRIA (1994) HV1655 HV1655 *CURRENT SURVEY CONTROL HV1655 ___________________________________________________________________ HV1655* NAD 83(1986)- 38 46 59. (N) 077 04 32. (W) SCALED HV1655* NAVD 88 - 44.61 (meters) 146.4 (feet) RESET HV1655 ___________________________________________________________________ HV1655 GEOID HEIGHT- -32.17 (meters) GEOID99 HV1655 HV1655 VERT ORDER - THIRD HV1655 HV1655.The horizontal coordinates were scaled from a topographic map and have HV1655.an estimated accuracy of +/- 6 seconds. HV1655 HV1655.The orthometric height was computed from unverified reset data. HV1655.No vertical observational check was made to the station. HV1655 HV1655.The geoid height was determined by GEOID99. HV1655 HV1655; North East Units Estimated Accuracy HV1655;SPC VA N - 2,124,880. 3,623,760. MT (+/- 180 meters Scaled) HV1655 HV1655 SUPERSEDED SURVEY CONTROL HV1655 HV1655 NGVD 29 (??/??/??) 44.92 (m) 147.4 (f) RESET 3 HV1655 HV1655.Superseded values are not recommended for survey control. HV1655.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV1655.See file dsdata.txt to determine how the superseded data were derived. HV1655 HV1655_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH197947(NAD 83) HV1655_MARKER: DB = BENCH MARK DISK HV1655_SETTING: 30 = CONC DROP INLET HV1655_STAMPING: V 231 RESET 1970 HV1655_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV1655 HV1655 HISTORY - Date Condition Report By HV1655 HISTORY - 1970 MONUMENTED VADH HV1655 HISTORY - 1972 GOOD NGS HV1655 HISTORY - 1984 GOOD USPSQD HV1655 HV1655 STATION DESCRIPTION HV1655 HV1655'DESCRIBED BY NATIONAL GEODETIC SURVEY 1972 HV1655'2.2 MI S FROM ALEXANDRIA. HV1655'2.2 MILES SOUTH ALONG U.S. HIGHWAY 1 FROM THE GEORGE MASON HOTEL HV1655'IN ALEXANDRIA, 50.1 FEET EAST OF THE CENTERLINE OF U.S. HIGHWAY 1, HV1655'47.5 FEET NORTHWEST OF THE NORTHWEST CORNER OF HOUSE NO. 6211, HV1655'46 FEET NORTHEAST OF A FIRE HYDRANT AND SET IN THE TOP OF THE HV1655'BACK CORNER OF A CONCRETE DROP INLET. HV1655 HV1655 STATION RECOVERY (1984) HV1655 HV1655'RECOVERY NOTE BY US POWER SQUADRON 1984 HV1655'ABOUT 2.2 MILES SOUTH ALONG U.S. HWY. 1 FROM GEORGE MASON BLDG. IN HV1655'ALEXANDRIA, SET IN SIDEWALK ALONG SIDE WIDENED U.S. HWY. 1 IN FRONT HV1655'OF HOUSE NO. 6211, 9.1 FEET SOUTH OF THE HOUSE DRIVEWAY AND 3.2 FEET HV1655'EAST OF THE NORTHBOUND CURB OF U.S. HWY. 1. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2422 *********************************************************************** HV2422 DESIGNATION - V 385 RESET 1964 HV2422 PID - HV2422 HV2422 STATE/COUNTY- VA/FAIRFAX HV2422 USGS QUAD - FORT BELVOIR (1983) HV2422 HV2422 *CURRENT SURVEY CONTROL HV2422 ___________________________________________________________________ HV2422* NAD 83(1986)- 38 41 23. (N) 077 13 37. (W) SCALED HV2422* NAVD 88 - 63.80 (meters) 209.3 (feet) RESET HV2422 ___________________________________________________________________ HV2422 GEOID HEIGHT- -32.18 (meters) GEOID99 HV2422 HV2422 VERT ORDER - THIRD HV2422 HV2422.The horizontal coordinates were scaled from a topographic map and have HV2422.an estimated accuracy of +/- 6 seconds. HV2422 HV2422.The orthometric height was computed from unverified reset data. HV2422.No vertical observational check was made to the station. HV2422 HV2422.The geoid height was determined by GEOID99. HV2422 HV2422; North East Units Estimated Accuracy HV2422;SPC VA N - 2,114,330. 3,610,750. MT (+/- 180 meters Scaled) HV2422 HV2422 SUPERSEDED SURVEY CONTROL HV2422 HV2422 NGVD 29 (??/??/??) 21.41 (m) 70.2 (f) RESET 3 HV2422 HV2422.Superseded values are not recommended for survey control. HV2422.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2422.See file dsdata.txt to determine how the superseded data were derived. HV2422 HV2422_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH063846(NAD 83) HV2422_MARKER: DB = BENCH MARK DISK HV2422_SETTING: 30 = CULVERT HV2422_STAMPING: V 385 RESET 1964 HV2422_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2422 HV2422 HISTORY - Date Condition Report By HV2422 HISTORY - 1964 MONUMENTED VADH HV2422 HISTORY - 1965 GOOD CGS HV2422 HV2422 STATION DESCRIPTION HV2422 HV2422'DESCRIBED BY COAST AND GEODETIC SURVEY 1965 HV2422'1.1 MI S FROM LORTON. HV2422'ABOUT 1.1 MILES SOUTH ALONG SHIRLEY MEMORIAL HIGHWAY (RTE. 95) HV2422'FROM OVERPASS OVER TELEGRAPH ROAD (STATE RTE. 642) AT LORTON, HV2422'ABOUT 0.85 MILES NORTH OF JUNCTION OF U.S. HIGHWAY 1, 46 FEET HV2422'EAST OF THE CENTERLINE OF NORTH BOUND LANE OF HIGHWAY, IN TOP HV2422'OF EAST HEADWALL OF A 6-FOOT CONCRETE CULVERT UNDER THE HIGHWAY, HV2422'AND ABOUT 5 FEET BELOW THE LEVEL OF HIGHWAY. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 JV2350 *********************************************************************** JV2350 DESIGNATION - V 89 RESET 1941 VADH JV2350 PID - JV2350 JV2350 STATE/COUNTY- VA/FAIRFAX JV2350 USGS QUAD - SENECA (1994) JV2350 JV2350 *CURRENT SURVEY CONTROL JV2350 ___________________________________________________________________ JV2350* NAD 83(1986)- 39 00 26. (N) 077 21 30. (W) SCALED JV2350* NAVD 88 - 98.28 (meters) 322.4 (feet) RESET JV2350 ___________________________________________________________________ JV2350 GEOID HEIGHT- -31.80 (meters) GEOID99 JV2350 JV2350 VERT ORDER - THIRD JV2350 JV2350.The horizontal coordinates were scaled from a topographic map and have JV2350.an estimated accuracy of +/- 6 seconds. JV2350 JV2350.The orthometric height was computed from unverified reset data. JV2350.No vertical observational check was made to the station. JV2350 JV2350.The geoid height was determined by GEOID99. JV2350 JV2350; North East Units Estimated Accuracy JV2350;SPC VA N - 2,149,420. 3,598,880. MT (+/- 180 meters Scaled) JV2350 JV2350 SUPERSEDED SURVEY CONTROL JV2350 JV2350 NGVD 29 (??/??/??) 98.50 (m) 323.2 (f) RESET 3 JV2350 JV2350.Superseded values are not recommended for survey control. JV2350.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV2350.See file dsdata.txt to determine how the superseded data were derived. JV2350 JV2350_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ957202(NAD 83) JV2350_MARKER: DB = BENCH MARK DISK JV2350_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV2350_STAMPING: V 89 RESET 1941 JV2350_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV2350+STABILITY: SURFACE MOTION JV2350 JV2350 HISTORY - Date Condition Report By JV2350 HISTORY - 1941 MONUMENTED VADH JV2350 HISTORY - 1964 GOOD CGS JV2350 JV2350 STATION DESCRIPTION JV2350 JV2350'DESCRIBED BY COAST AND GEODETIC SURVEY 1964 JV2350'13.4 MI NW FROM FALLS CHURCH. JV2350'13.4 MILES NORTHWEST ALONG STATE HIGHWAY 7 FROM THE ODD FELLOWS JV2350'BUILDING AT FALLS CHURCH, FAIRFAX COUNTY, 13.3 MILES SOUTHEAST JV2350'OF THE POST OFFICE AT LEESBURG, LOUDOUN COUNTY, 0.4 MILE NORTHWEST JV2350'OF THE JUNCTION OF STATE SECONDARY HIGHWAY 604 LEADING SOUTH, JV2350'AT THE PRIVATE ROAD ENTERING THE ALLEN L. MC DONNOLD FARM, 60 FEET JV2350'SOUTHWEST OF THE CENTER LINE OF THE HIGHWAY, NORTHWEST OF THE JV2350'PRIVATE ROAD, AND AT A FENCE CORNER. A STANDARD DISK, STAMPED JV2350'V 89 RESET 1941 AND SET IN THE TOP OF A CONCRETE POST. NOTE-- THIS JV2350'BENCH MARK WAS ESTABLISHED AND ITS ELEVATION DETERMINED BY JV2350'ENGINEERS OF THE STATE DEPARTMENT OF HIGHWAYS IN NOVEMBER 1941. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2723 *********************************************************************** HV2723 DESIGNATION - W 228 RESET 1950 HV2723 PID - HV2723 HV2723 STATE/COUNTY- VA/FAIRFAX HV2723 USGS QUAD - HERNDON (1994) HV2723 HV2723 *CURRENT SURVEY CONTROL HV2723 ___________________________________________________________________ HV2723* NAD 83(1986)- 38 53 25. (N) 077 25 18. (W) SCALED HV2723* NAVD 88 - 92.24 (meters) 302.6 (feet) RESET HV2723 ___________________________________________________________________ HV2723 GEOID HEIGHT- -31.83 (meters) GEOID99 HV2723 HV2723 VERT ORDER - THIRD HV2723 HV2723.The horizontal coordinates were scaled from a topographic map and have HV2723.an estimated accuracy of +/- 6 seconds. HV2723 HV2723.The orthometric height was computed from unverified reset data. HV2723.No vertical observational check was made to the station. HV2723 HV2723.The geoid height was determined by GEOID99. HV2723 HV2723; North East Units Estimated Accuracy HV2723;SPC VA N - 2,136,370. 3,593,550. MT (+/- 180 meters Scaled) HV2723 HV2723 SUPERSEDED SURVEY CONTROL HV2723 HV2723 NGVD 29 (??/??/??) 92.93 (m) 304.9 (f) RESET 3 HV2723 HV2723.Superseded values are not recommended for survey control. HV2723.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2723.See file dsdata.txt to determine how the superseded data were derived. HV2723 HV2723_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ899073(NAD 83) HV2723_MARKER: DB = BENCH MARK DISK HV2723_SETTING: 30 = CONC BASE HV2723_STAMPING: W 228 RESET 1950 HV2723_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2723 HV2723 HISTORY - Date Condition Report By HV2723 HISTORY - 1950 MONUMENTED CGS HV2723 HISTORY - 1953 GOOD CGS HV2723 HV2723 STATION DESCRIPTION HV2723 HV2723'DESCRIBED BY COAST AND GEODETIC SURVEY 1953 HV2723'0.6 MI SE FROM CHANTILLY. HV2723'APPROXIMATELY 0.6 MILE S.E. ALONG U.S. HIGHWAY 50 FROM CHANTILLY, HV2723'30 FEET S. OF CENTER LINE OF THE HIGHWAY, 10 FEET N.W. OF CORNER HV2723'OF A GROCERY STORE, SET IN THE BASE OF CONCRETE FOR GAS PUMPS. HV2723'A STANDARD DISK, STAMPED W 228 RESET 1950. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV1657 *********************************************************************** HV1657 DESIGNATION - W 231 RESET 1970 HV1657 PID - HV1657 HV1657 STATE/COUNTY- VA/FAIRFAX HV1657 USGS QUAD - ALEXANDRIA (1994) HV1657 HV1657 *CURRENT SURVEY CONTROL HV1657 ___________________________________________________________________ HV1657* NAD 83(1986)- 38 46 21. (N) 077 04 55. (W) SCALED HV1657* NAVD 88 - 74.49 (meters) 244.4 (feet) RESET HV1657 ___________________________________________________________________ HV1657 GEOID HEIGHT- -32.18 (meters) GEOID99 HV1657 HV1657 VERT ORDER - THIRD HV1657 HV1657.The horizontal coordinates were scaled from a topographic map and have HV1657.an estimated accuracy of +/- 6 seconds. HV1657 HV1657.The orthometric height was computed from unverified reset data. HV1657.No vertical observational check was made to the station. HV1657 HV1657.The geoid height was determined by GEOID99. HV1657 HV1657; North East Units Estimated Accuracy HV1657;SPC VA N - 2,123,700. 3,623,220. MT (+/- 180 meters Scaled) HV1657 HV1657 SUPERSEDED SURVEY CONTROL HV1657 HV1657 NGVD 29 (??/??/??) 74.79 (m) 245.4 (f) RESET 3 HV1657 HV1657.Superseded values are not recommended for survey control. HV1657.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV1657.See file dsdata.txt to determine how the superseded data were derived. HV1657 HV1657_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH191935(NAD 83) HV1657_MARKER: DB = BENCH MARK DISK HV1657_SETTING: 30 = CONCRETE FLOOR HV1657_STAMPING: W 231 RESET 1970 HV1657_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV1657 HV1657 HISTORY - Date Condition Report By HV1657 HISTORY - 1970 MONUMENTED NGS HV1657 HISTORY - 1980 MARK NOT FOUND LOCENG HV1657 HV1657 STATION DESCRIPTION HV1657 HV1657'DESCRIBED BY NATIONAL GEODETIC SURVEY 1970 HV1657'3.3 MI S FROM ALEXANDRIA. HV1657'IN FAIRFAX COUNTY, 3.3 MILES SOUTH ALONG U.S. HIGHWAY 1 FROM THE HV1657'GEORGE MASON HOTEL AT ALEXANDRIA, AT THE BEACON MALL SHOPPING HV1657'CENTER, SET IN THE CONCRETE STOOP AT THE NORTHEAST BUILDING HV1657'CORNER OF THE SUPER GIANT FOOD STORE. HV1657 HV1657 STATION RECOVERY (1980) HV1657 HV1657'RECOVERY NOTE BY LOCAL ENGINEER (INDIVIDUAL OR FIRM) 1980 HV1657'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV9052 *********************************************************************** HV9052 DESIGNATION - W 383 RESET HV9052 PID - HV9052 HV9052 STATE/COUNTY- VA/FAIRFAX HV9052 USGS QUAD - FALLS CHURCH (1994) HV9052 HV9052 *CURRENT SURVEY CONTROL HV9052 ___________________________________________________________________ HV9052* NAD 83(1986)- 38 57 39. (N) 077 11 20. (W) SCALED HV9052* NAVD 88 - 77.43 (meters) 254.0 (feet) RESET HV9052 ___________________________________________________________________ HV9052 GEOID HEIGHT- -31.76 (meters) GEOID99 HV9052 HV9052 VERT ORDER - THIRD HV9052 HV9052.The horizontal coordinates were scaled from a topographic map and have HV9052.an estimated accuracy of +/- 6 seconds. HV9052 HV9052.The orthometric height was computed from unverified reset data. HV9052.No vertical observational check was made to the station. HV9052 HV9052.The geoid height was determined by GEOID99. HV9052 HV9052; North East Units Estimated Accuracy HV9052;SPC VA N - 2,144,470. 3,613,630. MT (+/- 180 meters Scaled) HV9052 HV9052 SUPERSEDED SURVEY CONTROL HV9052 HV9052 NGVD 29 (10/07/03) 77.66 (m) 254.8 (f) RESET 3 HV9052 HV9052.Superseded values are not recommended for survey control. HV9052.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9052.See file dsdata.txt to determine how the superseded data were derived. HV9052 HV9052_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ103147(NAD 83) HV9052_MARKER: DV = VERTICAL CONTROL DISK HV9052_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9052_STAMPING: W 383 RESET 1991 HV9052_MARK LOGO: NGS HV9052_MAGNETIC: N = NO MAGNETIC MATERIAL HV9052_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9052+STABILITY: SURFACE MOTION HV9052 HV9052 HISTORY - Date Condition Report By HV9052 HISTORY - 1991 MONUMENTED VADHT HV9052 HV9052 STATION DESCRIPTION HV9052 HV9052'DESCRIBED BY VA DEPT HWYS-TRANSP 1991 HV9052'1.75 MILES (2.82 KM) NORTHWEST ALONG STATE HIGHWAY 193 FROM THE HV9052'JUNCTION OF STATE HIGHWAY 123 AT LANGLEY, THENCE ABOUT 0.6 MILES HV9052'(1.0 KM) NORTHEAST ALONG CIRCUMFERENTIAL HIGHWAY, 22 FEET (6.7 M) HV9052'WEST OF A SOUND WALL, 15 FEET (4.6 M) NORTH OF A 30 INCH POPLAR TREE, HV9052'1 FOOT (0.3 M) WEST OF A STEEL WITNESS POST, ABOUT 10 FEET (3.0 M) HV9052'ABOVE THE LEVEL OF THE CIRCUMFERENTIAL HIGHWAY, PROJECTING 4 INCHES HV9052'ABOVE GROUND. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2824 *********************************************************************** HV2824 DESIGNATION - X 288 RESET 1946 HV2824 PID - HV2824 HV2824 STATE/COUNTY- VA/FAIRFAX HV2824 USGS QUAD - VIENNA (1994) HV2824 HV2824 *CURRENT SURVEY CONTROL HV2824 ___________________________________________________________________ HV2824* NAD 83(1986)- 38 59 58. (N) 077 20 34. (W) SCALED HV2824* NAVD 88 - 131.26 (meters) 430.6 (feet) RESET HV2824 ___________________________________________________________________ HV2824 GEOID HEIGHT- -31.77 (meters) GEOID99 HV2824 HV2824 VERT ORDER - THIRD HV2824 HV2824.The horizontal coordinates were scaled from a topographic map and have HV2824.an estimated accuracy of +/- 6 seconds. HV2824 HV2824.The orthometric height was computed from unverified reset data. HV2824.No vertical observational check was made to the station. HV2824 HV2824.The geoid height was determined by GEOID99. HV2824 HV2824; North East Units Estimated Accuracy HV2824;SPC VA N - 2,148,570. 3,600,240. MT (+/- 180 meters Scaled) HV2824 HV2824 SUPERSEDED SURVEY CONTROL HV2824 HV2824 NGVD 29 (??/??/??) 131.49 (m) 431.4 (f) RESET 3 HV2824 HV2824.Superseded values are not recommended for survey control. HV2824.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2824.See file dsdata.txt to determine how the superseded data were derived. HV2824 HV2824_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ971193(NAD 83) HV2824_MARKER: DD = SURVEY DISK HV2824_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2824_STAMPING: X 288 RESET 1946 HV2824_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2824+STABILITY: SURFACE MOTION HV2824 HV2824 HISTORY - Date Condition Report By HV2824 HISTORY - 1946 MONUMENTED VADH HV2824 HISTORY - 1964 GOOD CGS HV2824 HV2824 STATION DESCRIPTION HV2824 HV2824'DESCRIBED BY COAST AND GEODETIC SURVEY 1964 HV2824'12.2 MI NW FROM FALLS CHURCH. HV2824'12.2 MILES NORTHWEST ALONG STATE HIGHWAY 7 FROM THE ODD FELLOWS HV2824'BUILDING AT FALLS CHURCH, FAIRFAX COUNTY, 2.2 MILES NORTHWEST OF HV2824'BROWNS CHAPEL, NEAR A UNITED BRETHREN CHURCH, AT THE JUNCTION OF HV2824'STATE SECONDARY HIGHWAY C 602, 62 FEET NORTH OF THE CENTER OF THE HV2824'JUNCTION, AND 43 FEET NORTHEAST OF THE CENTER LINE OF THE HV2824'HIGHWAY. A STANDARD DISK, STAMPED X 288 RESET 1946 AND SET IN HV2824'THE TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV7989 *********************************************************************** HV7989 DESIGNATION - X 382 RESET 1974 HV7989 PID - HV7989 HV7989 STATE/COUNTY- VA/FAIRFAX HV7989 USGS QUAD - ANNANDALE (1994) HV7989 HV7989 *CURRENT SURVEY CONTROL HV7989 ___________________________________________________________________ HV7989* NAD 83(1986)- 38 48 00. (N) 077 12 23. (W) SCALED HV7989* NAVD 88 - 82.64 (meters) 271.1 (feet) RESET HV7989 ___________________________________________________________________ HV7989 GEOID HEIGHT- -31.97 (meters) GEOID99 HV7989 HV7989 VERT ORDER - THIRD HV7989 HV7989.The horizontal coordinates were scaled from a topographic map and have HV7989.an estimated accuracy of +/- 6 seconds. HV7989 HV7989.The orthometric height was computed from unverified reset data. HV7989.No vertical observational check was made to the station. HV7989 HV7989.The geoid height was determined by GEOID99. HV7989 HV7989; North East Units Estimated Accuracy HV7989;SPC VA N - 2,126,590. 3,612,370. MT (+/- 180 meters Scaled) HV7989 HV7989 SUPERSEDED SURVEY CONTROL HV7989 HV7989 NGVD 29 (??/??/??) 82.89 (m) 271.9 (f) RESET 3 HV7989 HV7989.Superseded values are not recommended for survey control. HV7989.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV7989.See file dsdata.txt to determine how the superseded data were derived. HV7989 HV7989_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH083968(NAD 83) HV7989_MARKER: DB = BENCH MARK DISK HV7989_SETTING: 36 = BRIDGE HV7989_STAMPING: X 382 RESET 1974 HV7989_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV7989 HV7989 HISTORY - Date Condition Report By HV7989 HISTORY - 1974 MONUMENTED NGS HV7989 HV7989 STATION DESCRIPTION HV7989 HV7989'DESCRIBED BY NATIONAL GEODETIC SURVEY 1974 HV7989'SPRINGFIELD. HV7989'SET FLUSH IN TOP OF NORTH WINGWALL OF WEST ABUTMENT OF NBL ROUTE 495 HV7989'OVER HEMING AVENUE. 50' RIGHT STA 567/15 BASE LINE NBL ROUTE 495. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2725 *********************************************************************** HV2725 DESIGNATION - Y 228 RESET 1942 HV2725 PID - HV2725 HV2725 STATE/COUNTY- VA/FAIRFAX HV2725 USGS QUAD - MANASSAS (1994) HV2725 HV2725 *CURRENT SURVEY CONTROL HV2725 ___________________________________________________________________ HV2725* NAD 83(1986)- 38 52 27. (N) 077 22 46. (W) SCALED HV2725* NAVD 88 - 125.47 (meters) 411.6 (feet) RESET HV2725 ___________________________________________________________________ HV2725 GEOID HEIGHT- -31.79 (meters) GEOID99 HV2725 HV2725 VERT ORDER - THIRD HV2725 HV2725.The horizontal coordinates were scaled from a topographic map and have HV2725.an estimated accuracy of +/- 6 seconds. HV2725 HV2725.The orthometric height was computed from unverified reset data. HV2725.No vertical observational check was made to the station. HV2725 HV2725.The geoid height was determined by GEOID99. HV2725 HV2725; North East Units Estimated Accuracy HV2725;SPC VA N - 2,134,630. 3,597,240. MT (+/- 180 meters Scaled) HV2725 HV2725 SUPERSEDED SURVEY CONTROL HV2725 HV2725 NGVD 29 (??/??/??) 125.69 (m) 412.4 (f) RESET 3 HV2725 HV2725.Superseded values are not recommended for survey control. HV2725.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2725.See file dsdata.txt to determine how the superseded data were derived. HV2725 HV2725_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ935055(NAD 83) HV2725_MARKER: DB = BENCH MARK DISK HV2725_SETTING: 30 = CONC MONUMENT HV2725_STAMPING: Y 228 RESET 1942 HV2725_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2725 HV2725 HISTORY - Date Condition Report By HV2725 HISTORY - 1942 MONUMENTED VADH HV2725 HV2725 STATION DESCRIPTION HV2725 HV2725'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1942 HV2725'0.6 MI W FROM PENDER. HV2725'APROXIMATELY 0.6 MILES W. OF PENDER, OR 2.4 MILES E OF CHANTILLY, HV2725'ALONG U.S. HIGHWAY 50, TO A CULVERT 54 FEET N. OF CENTER LINE OF HV2725'HIGHWAY 3 FEET E. OF A WHITE WITNESS POST. A STANDARD DISK HV2725'STAMPED Y 228 RESET 1942, SET IN A CONCRETE MONUMENT PROJECTING HV2725'3 INCHES. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV7990 *********************************************************************** HV7990 DESIGNATION - Y 382 RESET 1974 HV7990 PID - HV7990 HV7990 STATE/COUNTY- VA/FAIRFAX HV7990 USGS QUAD - ANNANDALE (1994) HV7990 HV7990 *CURRENT SURVEY CONTROL HV7990 ___________________________________________________________________ HV7990* NAD 83(1986)- 38 48 40. (N) 077 13 04. (W) SCALED HV7990* NAVD 88 - 85.48 (meters) 280.4 (feet) RESET HV7990 ___________________________________________________________________ HV7990 GEOID HEIGHT- -31.94 (meters) GEOID99 HV7990 HV7990 VERT ORDER - THIRD HV7990 HV7990.The horizontal coordinates were scaled from a topographic map and have HV7990.an estimated accuracy of +/- 6 seconds. HV7990 HV7990.The orthometric height was computed from unverified reset data. HV7990.No vertical observational check was made to the station. HV7990 HV7990.The geoid height was determined by GEOID99. HV7990 HV7990; North East Units Estimated Accuracy HV7990;SPC VA N - 2,127,810. 3,611,360. MT (+/- 180 meters Scaled) HV7990 HV7990 SUPERSEDED SURVEY CONTROL HV7990 HV7990 NGVD 29 (??/??/??) 85.73 (m) 281.3 (f) RESET 3 HV7990 HV7990.Superseded values are not recommended for survey control. HV7990.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV7990.See file dsdata.txt to determine how the superseded data were derived. HV7990 HV7990_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH074981(NAD 83) HV7990_MARKER: DB = BENCH MARK DISK HV7990_SETTING: 36 = OVERPASS HV7990_STAMPING: Y 382 RESET 1974 HV7990_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV7990 HV7990 HISTORY - Date Condition Report By HV7990 HISTORY - 1974 MONUMENTED NGS HV7990 HV7990 STATION DESCRIPTION HV7990 HV7990'DESCRIBED BY NATIONAL GEODETIC SURVEY 1974 HV7990'SPRINGFIELD. HV7990'SET FLUSH WITH TOP OF MEDIAN BARRIER WALL OF ROUTE 495 BENEATH RTE.620 HV7990'(BRADDOCK ROAD) OVERPASS, 21.2 FEET SOUTH OF CENTER SOUTH LEG OF NORTH HV7990'CENTER PIER, 18.6' NORTH OF CENTER NORTH LEG SOUTH CENTER PIER, 21.65' HV7990'STA 620/52, BASE LINE NBL ROUTE 495. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV2729 *********************************************************************** HV2729 DESIGNATION - Z 228 RESET 1960 HV2729 PID - HV2729 HV2729 STATE/COUNTY- VA/FAIRFAX HV2729 USGS QUAD - FAIRFAX (1994) HV2729 HV2729 *CURRENT SURVEY CONTROL HV2729 ___________________________________________________________________ HV2729* NAD 83(1986)- 38 51 41. (N) 077 20 47. (W) SCALED HV2729* NAVD 88 - 123.52 (meters) 405.2 (feet) RESET HV2729 ___________________________________________________________________ HV2729 GEOID HEIGHT- -31.78 (meters) GEOID99 HV2729 HV2729 VERT ORDER - THIRD HV2729 HV2729.The horizontal coordinates were scaled from a topographic map and have HV2729.an estimated accuracy of +/- 6 seconds. HV2729 HV2729.The orthometric height was computed from unverified reset data. HV2729.No vertical observational check was made to the station. HV2729 HV2729.The geoid height was determined by GEOID99. HV2729 HV2729; North East Units Estimated Accuracy HV2729;SPC VA N - 2,133,240. 3,600,120. MT (+/- 180 meters Scaled) HV2729 HV2729 SUPERSEDED SURVEY CONTROL HV2729 HV2729 NGVD 29 (??/??/??) 123.74 (m) 406.0 (f) RESET 3 HV2729 HV2729.Superseded values are not recommended for survey control. HV2729.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2729.See file dsdata.txt to determine how the superseded data were derived. HV2729 HV2729_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ964040(NAD 83) HV2729_MARKER: DB = BENCH MARK DISK HV2729_SETTING: 36 = WINGWALL ABUTMENT HV2729_STAMPING: Z 228 RESET 1960 HV2729_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV2729 HV2729 HISTORY - Date Condition Report By HV2729 HISTORY - 1960 MONUMENTED VADH HV2729 HISTORY - 1963 GOOD CGS HV2729 HV2729 STATION DESCRIPTION HV2729 HV2729'DESCRIBED BY COAST AND GEODETIC SURVEY 1963 HV2729'2.3 MI NW FROM FAIRFAX. HV2729'0.9 MILE NORTHWEST ALONG STATE HIGHWAY ROUTE 236 FROM THE HV2729'COURTHOUSE AT FAIRFAX, THENCE 1.4 MILES NORTHWEST ALONG HV2729'SOUTHBOUND LANE OF U.S. HIGHWAY ROUTE 50, LOCATED IN TOP OF HV2729'WINGWALL OF SOUTHEAST ABUTMENT OF SOUTHBOUND LANE ROUTE 50 BRIDGE HV2729'THAT CROSSES INTERSTATE ROUTE 66. 1 National Geodetic Survey, Retrieval Date = NOVEMBER 3, 2003 HV7991 *********************************************************************** HV7991 DESIGNATION - Z 382 RESET 1974 HV7991 PID - HV7991 HV7991 STATE/COUNTY- VA/FAIRFAX HV7991 USGS QUAD - ANNANDALE (1994) HV7991 HV7991 *CURRENT SURVEY CONTROL HV7991 ___________________________________________________________________ HV7991* NAD 83(1986)- 38 49 20. (N) 077 13 18. (W) SCALED HV7991* NAVD 88 - 71.31 (meters) 234.0 (feet) RESET HV7991 ___________________________________________________________________ HV7991 GEOID HEIGHT- -31.92 (meters) GEOID99 HV7991 HV7991 VERT ORDER - THIRD HV7991 HV7991.The horizontal coordinates were scaled from a topographic map and have HV7991.an estimated accuracy of +/- 6 seconds. HV7991 HV7991.The orthometric height was computed from unverified reset data. HV7991.No vertical observational check was made to the station. HV7991 HV7991.The geoid height was determined by GEOID99. HV7991 HV7991; North East Units Estimated Accuracy HV7991;SPC VA N - 2,129,040. 3,611,010. MT (+/- 180 meters Scaled) HV7991 HV7991 SUPERSEDED SURVEY CONTROL HV7991 HV7991 NGVD 29 (??/??/??) 71.55 (m) 234.7 (f) RESET 3 HV7991 HV7991.Superseded values are not recommended for survey control. HV7991.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV7991.See file dsdata.txt to determine how the superseded data were derived. HV7991 HV7991_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH071993(NAD 83) HV7991_MARKER: DB = BENCH MARK DISK HV7991_SETTING: 30 = CULVERT HV7991_STAMPING: Z 382 RESET 1974 HV7991_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV7991 HV7991 HISTORY - Date Condition Report By HV7991 HISTORY - 1974 MONUMENTED NGS HV7991 HV7991 STATION DESCRIPTION HV7991 HV7991'DESCRIBED BY NATIONAL GEODETIC SURVEY 1974 HV7991'ANNANDALE. HV7991'SET IN THE TOP NORTH CORNER OF NEW HEADWALL OF BOX CULVERT 79' RIGHT HV7991'STA. 663/04.5 NBL BASE LINE ROUTE 495. ABOUT 7 MILE ALONG RTE. 495 HV7991'FROM RTE. 236 OVERPASS.