1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2525 *********************************************************************** HV2525 DESIGNATION - A 386 HV2525 PID - HV2525 HV2525 STATE/COUNTY- VA/PRINCE WILLIAM HV2525 USGS QUAD - OCCOQUAN (1994) HV2525 HV2525 *CURRENT SURVEY CONTROL HV2525 ___________________________________________________________________ HV2525* NAD 83(1986)- 38 38 53. (N) 077 17 23. (W) SCALED HV2525* NAVD 88 - 63.962 (meters) 209.85 (feet) ADJUSTED HV2525 ___________________________________________________________________ HV2525 GEOID HEIGHT- -32.17 (meters) GEOID99 HV2525 DYNAMIC HT - 63.925 (meters) 209.73 (feet) COMP HV2525 MODELED GRAV- 980,061.2 (mgal) NAVD 88 HV2525 HV2525 VERT ORDER - SECOND CLASS 0 HV2525 HV2525.The horizontal coordinates were scaled from a topographic map and have HV2525.an estimated accuracy of +/- 6 seconds. HV2525 HV2525.The orthometric height was determined by differential leveling HV2525.and adjusted by the National Geodetic Survey in June 1991. HV2525 HV2525.The geoid height was determined by GEOID99. HV2525 HV2525.The dynamic height is computed by dividing the NAVD 88 HV2525.geopotential number by the normal gravity value computed on the HV2525.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV2525.degrees latitude (g = 980.6199 gals.). HV2525 HV2525.The modeled gravity was interpolated from observed gravity values. HV2525 HV2525; North East Units Estimated Accuracy HV2525;SPC VA N - 2,109,630. 3,605,350. MT (+/- 180 meters Scaled) HV2525 HV2525 SUPERSEDED SURVEY CONTROL HV2525 HV2525 NGVD 29 (??/??/??) 64.219 (m) 210.69 (f) ADJUSTED 2 0 HV2525 HV2525.Superseded values are not recommended for survey control. HV2525.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2525.See file dsdata.txt to determine how the superseded data were derived. HV2525 HV2525_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH007802(NAD 83) HV2525_MARKER: DB = BENCH MARK DISK HV2525_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2525_STAMPING: A 386 1960 HV2525_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2525+STABILITY: SURFACE MOTION HV2525 HV2525 HISTORY - Date Condition Report By HV2525 HISTORY - 1960 MONUMENTED CGS HV2525 HISTORY - 1962 GOOD CGS HV2525 HISTORY - 20010331 MARK NOT FOUND NGS HV2525 HISTORY - 20031122 MARK NOT FOUND USPSQD HV2525 HV2525 STATION DESCRIPTION HV2525 HV2525'DESCRIBED BY COAST AND GEODETIC SURVEY 1960 HV2525'3.2 MI W FROM WOODBRIDGE. HV2525'ABOUT 0.35 MILE NORTHWEST ALONG STATE HIGHWAY 123 FROM THE HV2525'JUNCTION OF U.S. HIGHWAY 1 AT WOODBRIDGE, THENCE ABOUT 2.2 HV2525'MILES SOUTHWEST AND WEST ALONG ROAD 639, THENCE ABOUT 0.65 MILE HV2525'SOUTH ALONG ROAD 638, 0.35 MILE NORTHWEST OF BOTTOM OF GRADES AND HV2525'A PIPE CULVERT FOR A CREEK BRANCH, 92 YARDS SOUTH OF TOP OF HV2525'GRADES, 106 YARDS NORTH OF JUNCTION OF DRIVE LEADING EAST TO HV2525'A HOUSE, 20 FEET WEST OF THE CENTER LINE OF ROAD AND AT OUTSIDE HV2525'OF A CURVE, 3 FEET SOUTH OF TELEPHONE POLE 1211, 1 1/2 FEET HV2525'EAST OF A STEEL WITNESS POST, ABOUT 1 FOOT ABOVE THE LEVEL HV2525'OF ROAD, AND SET IN TOP OF A CONCRETE POST PROJECTING 2 INCHES. HV2525 HV2525 STATION RECOVERY (1962) HV2525 HV2525'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1962 HV2525'RECOVERED IN GOOD CONDITION. HV2525 HV2525 STATION RECOVERY (2001) HV2525 HV2525'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2001 HV2525'THIS REPORT WAS SUBMITTED BY THE US POWER SQUADRONS. HV2525 HV2525 STATION RECOVERY (2003) HV2525 HV2525'RECOVERY NOTE BY US POWER SQUADRON 2003 (KPM) HV2525'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2613 *********************************************************************** HV2613 DESIGNATION - B 115 RESET 1962 HV2613 PID - HV2613 HV2613 STATE/COUNTY- VA/PRINCE WILLIAM HV2613 USGS QUAD - FORT BELVOIR (1983) HV2613 HV2613 *CURRENT SURVEY CONTROL HV2613 ___________________________________________________________________ HV2613* NAD 83(1986)- 38 39 41. (N) 077 14 51. (W) SCALED HV2613* NAVD 88 - 23.05 (meters) 75.6 (feet) RESET HV2613 ___________________________________________________________________ HV2613 GEOID HEIGHT- -32.21 (meters) GEOID99 HV2613 HV2613 VERT ORDER - THIRD HV2613 HV2613.The horizontal coordinates were scaled from a topographic map and have HV2613.an estimated accuracy of +/- 6 seconds. HV2613 HV2613.The orthometric height was computed from unverified reset data. HV2613.No vertical observational check was made to the station. HV2613 HV2613.The geoid height was determined by GEOID99. HV2613 HV2613; North East Units Estimated Accuracy HV2613;SPC VA N - 2,111,160. 3,609,010. MT (+/- 180 meters Scaled) HV2613 HV2613 SUPERSEDED SURVEY CONTROL HV2613 HV2613 NGVD 29 (??/??/??) 23.30 (m) 76.4 (f) RESET 3 HV2613 HV2613.Superseded values are not recommended for survey control. HV2613.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2613.See file dsdata.txt to determine how the superseded data were derived. HV2613 HV2613_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH044815(NAD 83) HV2613_MARKER: DB = BENCH MARK DISK HV2613_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2613_STAMPING: B 115 RESET 1962 HV2613_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2613+STABILITY: SURFACE MOTION HV2613 HV2613 HISTORY - Date Condition Report By HV2613 HISTORY - 1962 MONUMENTED CGS HV2613 HV2613 STATION DESCRIPTION HV2613 HV2613'DESCRIBED BY COAST AND GEODETIC SURVEY 1962 HV2613'AT WOODBRIDGE. HV2613'AT WOODBRIDGE, ABOUT 160 FEET SOUTH OF THE INTERSECTION OF STATE HV2613'HIGHWAY 123 AND U.S. HIGHWAY 1 IN THE CENTER ONE OF THREE ISLANDS HV2613'OF THE WOODBRIDGE ESSO SERVICE STATION. IT IS 100 FEET NORTH OF HV2613'THE CENTER OF COUNTY ROAD 687, 3 FEET SOUTH OF POWER POLE, WITH HV2613'LIGHT ON TOP, 3 FEET EAST OF THE WEST CURB OF THE ISLAND, 130 FEET HV2613'SOUTHWEST OF THE ENTRANCE TO THE SERVICE STATION AND ABOUT 400 HV2613'FEET EAST OF THE BANK OF OCCOQUAN AND ABOUT LEVEL WITH THE GROUND, HV2613'SET IN A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2573 *********************************************************************** HV2573 DESIGNATION - BM=403 USE RESET 1955 HV2573 PID - HV2573 HV2573 STATE/COUNTY- VA/PRINCE WILLIAM HV2573 USGS QUAD - INDEPENDENT HILL (1994) HV2573 HV2573 *CURRENT SURVEY CONTROL HV2573 ___________________________________________________________________ HV2573* NAD 83(1986)- 38 37 59. (N) 077 26 13. (W) SCALED HV2573* NAVD 88 - 121.01 (meters) 397.0 (feet) RESET HV2573 ___________________________________________________________________ HV2573 GEOID HEIGHT- -32.06 (meters) GEOID99 HV2573 HV2573 VERT ORDER - THIRD HV2573 HV2573.The horizontal coordinates were scaled from a topographic map and have HV2573.an estimated accuracy of +/- 6 seconds. HV2573 HV2573.The orthometric height was computed from unverified reset data. HV2573.No vertical observational check was made to the station. HV2573 HV2573.The geoid height was determined by GEOID99. HV2573 HV2573; North East Units Estimated Accuracy HV2573;SPC VA N - 2,107,800. 3,592,560. MT (+/- 180 meters Scaled) HV2573 HV2573 SUPERSEDED SURVEY CONTROL HV2573 HV2573 NGVD 29 (??/??/??) 121.25 (m) 397.8 (f) RESET 3 HV2573 HV2573.Superseded values are not recommended for survey control. HV2573.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2573.See file dsdata.txt to determine how the superseded data were derived. HV2573 HV2573_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH878788(NAD 83) HV2573_MARKER: Z = SEE DESCRIPTION HV2573_SETTING: 0 = UNSPECIFIED SETTING HV2573_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2573 HV2573 HISTORY - Date Condition Report By HV2573 HISTORY - 1955 MONUMENTED VADH HV2573 HV2573 STATION DESCRIPTION HV2573 HV2573'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1955 HV2573'NEAR INDEPENDENT HILL. HV2573'3/4 INCH IRON PIPE, 0.60 FOOT FROM FENCE CORNER OF U.S. AIR HV2573'FORCE BASE, 34 FEET WEST OF CENTERLINE OF ROUTE 619. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2609 *********************************************************************** HV2609 DESIGNATION - CHIS SQ 106.1 HV2609 PID - HV2609 HV2609 STATE/COUNTY- VA/PRINCE WILLIAM HV2609 USGS QUAD - OCCOQUAN (1994) HV2609 HV2609 *CURRENT SURVEY CONTROL HV2609 ___________________________________________________________________ HV2609* NAD 83(1986)- 38 40 17. (N) 077 15 37. (W) SCALED HV2609* NAVD 88 - 32.143 (meters) 105.46 (feet) ADJUSTED HV2609 ___________________________________________________________________ HV2609 GEOID HEIGHT- -32.17 (meters) GEOID99 HV2609 DYNAMIC HT - 32.125 (meters) 105.40 (feet) COMP HV2609 MODELED GRAV- 980,066.4 (mgal) NAVD 88 HV2609 HV2609 VERT ORDER - SECOND CLASS 0 HV2609 HV2609.The horizontal coordinates were scaled from a topographic map and have HV2609.an estimated accuracy of +/- 6 seconds. HV2609 HV2609.The orthometric height was determined by differential leveling HV2609.and adjusted by the National Geodetic Survey in June 1991. HV2609 HV2609.The geoid height was determined by GEOID99. HV2609 HV2609.The dynamic height is computed by dividing the NAVD 88 HV2609.geopotential number by the normal gravity value computed on the HV2609.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV2609.degrees latitude (g = 980.6199 gals.). HV2609 HV2609.The modeled gravity was interpolated from observed gravity values. HV2609 HV2609; North East Units Estimated Accuracy HV2609;SPC VA N - 2,112,250. 3,607,880. MT (+/- 180 meters Scaled) HV2609 HV2609 SUPERSEDED SURVEY CONTROL HV2609 HV2609 NGVD 29 (??/??/??) 32.401 (m) 106.30 (f) ADJUSTED 2 0 HV2609 HV2609.Superseded values are not recommended for survey control. HV2609.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2609.See file dsdata.txt to determine how the superseded data were derived. HV2609 HV2609_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH033827(NAD 83) HV2609_MARKER: Q = CHISELED SQUARE HV2609_SETTING: 30 = STEP HV2609_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2609 HV2609 HISTORY - Date Condition Report By HV2609 HISTORY - UNK MONUMENTED CGS HV2609 HISTORY - 1935 GOOD CGS HV2609 HISTORY - 1960 GOOD CGS HV2609 HISTORY - 20020414 MARK NOT FOUND USPSQD HV2609 HISTORY - 20031122 MARK NOT FOUND USPSQD HV2609 HV2609 STATION DESCRIPTION HV2609 HV2609'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 HV2609'1.2 MI NW FROM WOODBRIDGE. HV2609'1.2 MILES NORTHWEST ALONG STATE HIGHWAY 123 FROM THE JUNCTION OF HV2609'U.S. HIGHWAY 1 AT WOODBRIDGE, PRINCE WILLIAM COUNTY, 300 FEET HV2609'SOUTH OF THE JUNCTION OF SECONDARY STATE HIGHWAY 641, AT THE HV2609'OCCOQUAN DISTRICT HIGH SCHOOL, AT THE ENTRANCE TO THE BUILDING, HV2609'AND ON THE TOP OF THE NORTH END OF THE SECOND STEP. A CHISELED HV2609'SQUARE. HV2609 HV2609 STATION RECOVERY (1960) HV2609 HV2609'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1960 HV2609'RECOVERED IN GOOD CONDITION. HV2609 HV2609 STATION RECOVERY (2002) HV2609 HV2609'RECOVERY NOTE BY US POWER SQUADRON 2002 HV2609'SCHOOL IS NOW AN ELEMENTARY SCHOOL. BELIEVE MARK WAS DESTROYED WHEN HV2609'NEW STEPS WERE PUT IN. HV2609 HV2609 STATION RECOVERY (2003) HV2609 HV2609'RECOVERY NOTE BY US POWER SQUADRON 2003 (KPM) HV2609'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2626 *********************************************************************** HV2626 DESIGNATION - E 116 RESET 1939 HV2626 PID - HV2626 HV2626 STATE/COUNTY- VA/PRINCE WILLIAM HV2626 USGS QUAD - QUANTICO (1994) HV2626 HV2626 *CURRENT SURVEY CONTROL HV2626 ___________________________________________________________________ HV2626* NAD 83(1986)- 38 36 40. (N) 077 22 03. (W) SCALED HV2626* NAVD 88 - 87.43 (meters) 286.8 (feet) RESET HV2626 ___________________________________________________________________ HV2626 GEOID HEIGHT- -32.15 (meters) GEOID99 HV2626 HV2626 VERT ORDER - THIRD HV2626 HV2626.The horizontal coordinates were scaled from a topographic map and have HV2626.an estimated accuracy of +/- 6 seconds. HV2626 HV2626.The orthometric height was computed from unverified reset data. HV2626.No vertical observational check was made to the station. HV2626 HV2626.The geoid height was determined by GEOID99. HV2626 HV2626; North East Units Estimated Accuracy HV2626;SPC VA N - 2,105,440. 3,598,630. MT (+/- 180 meters Scaled) HV2626 HV2626 SUPERSEDED SURVEY CONTROL HV2626 HV2626 NGVD 29 (??/??/??) 87.67 (m) 287.6 (f) RESET 3 HV2626 HV2626.Superseded values are not recommended for survey control. HV2626.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2626.See file dsdata.txt to determine how the superseded data were derived. HV2626 HV2626_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH938762(NAD 83) HV2626_MARKER: DB = BENCH MARK DISK HV2626_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2626_STAMPING: E 116 RESET 1939 HV2626_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2626+STABILITY: SURFACE MOTION HV2626 HV2626 HISTORY - Date Condition Report By HV2626 HISTORY - 1939 MONUMENTED VADH HV2626 HV2626 STATION DESCRIPTION HV2626 HV2626'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1939 HV2626'4.5 MI SE FROM INDEPENDENT HILL. HV2626'4.5 MILES SOUTHEAST ALONG STATE HIGHWAY 234 FROM INDEPENDENT HILL , HV2626'PRINCE WILLIAM COUNTY, 100 FEET WEST OF A WYE IN THE HIGHWAY, 25 HV2626'FEET NORTH OF THE CENTER LINE OF THE HIGHWAY, AND 1 FOOT SOUTH HV2626'OF THE NORTH PROPERTY-LINE. A STANDARD DISK, STAMPED E 116 RESET HV2626'1939 AND SET IN THE TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV3612 *********************************************************************** HV3612 DESIGNATION - F 45 RESET 1934 HV3612 PID - HV3612 HV3612 STATE/COUNTY- VA/PRINCE WILLIAM HV3612 USGS QUAD - GAINESVILLE (1994) HV3612 HV3612 *CURRENT SURVEY CONTROL HV3612 ___________________________________________________________________ HV3612* NAD 83(1986)- 38 47 50. (N) 077 36 31. (W) SCALED HV3612* NAVD 88 - 106.24 (meters) 348.6 (feet) RESET HV3612 ___________________________________________________________________ HV3612 GEOID HEIGHT- -32.03 (meters) GEOID99 HV3612 HV3612 VERT ORDER - THIRD HV3612 HV3612.The horizontal coordinates were scaled from a topographic map and have HV3612.an estimated accuracy of +/- 6 seconds. HV3612 HV3612.The orthometric height was computed from unverified reset data. HV3612.No vertical observational check was made to the station. HV3612 HV3612.The geoid height was determined by GEOID99. HV3612 HV3612; North East Units Estimated Accuracy HV3612;SPC VA N - 2,125,870. 3,577,430. MT (+/- 180 meters Scaled) HV3612 HV3612 SUPERSEDED SURVEY CONTROL HV3612 HV3612 NGVD 29 (??/??/??) 106.61 (m) 349.8 (f) RESET 3 HV3612 HV3612.Superseded values are not recommended for survey control. HV3612.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3612.See file dsdata.txt to determine how the superseded data were derived. HV3612 HV3612_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH734975(NAD 83) HV3612_MARKER: DD = SURVEY DISK HV3612_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV3612_STAMPING: 349.386 F 45 RESET 1934 HV3612_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV3612+STABILITY: SURFACE MOTION HV3612 HV3612 HISTORY - Date Condition Report By HV3612 HISTORY - 1934 MONUMENTED VADH HV3612 HISTORY - 1943 MARK NOT FOUND CGS HV3612 HV3612 STATION DESCRIPTION HV3612 HV3612'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1934 HV3612'AT GAINESVILLE. HV3612'AT GAINESVILLE, PRINCE WILLIAM COUNTY, 0.25 MILE EAST OF THE HV3612'SOUTHERN RAILWAY STATION, IN THE WEST ANGLE OF THE INTERSECTION HV3612'OF U.S. HIGHWAY 211 AND STATE HIGHWAY 55, 83 FEET SOUTH OF THE HV3612'CENTER LINE OF STATE HIGHWAY 55, AND 27 FEET WEST OF THE WEST HV3612'CORNER OF A CULVERT UNDER THE CONNECTING DRIVEWAY. A STANDARD HV3612'DISK, STAMPED 349.386 F 45 RESET 1934 AND SET IN THE TOP OF A HV3612'CONCRETE POST PROJECTING 16 INCHES ABOVE GROUND. THIS ELEVATION HV3612'IS THE SAME AS THE ORIG. MARK. HV3612 HV3612 STATION RECOVERY (1943) HV3612 HV3612'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1943 HV3612'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 AI2796 *********************************************************************** AI2796 DESIGNATION - G 386 RESET AI2796 PID - AI2796 AI2796 STATE/COUNTY- VA/PRINCE WILLIAM AI2796 USGS QUAD - QUANTICO (1994) AI2796 AI2796 *CURRENT SURVEY CONTROL AI2796 ___________________________________________________________________ AI2796* NAD 83(1986)- 38 34 09. (N) 077 19 15. (W) SCALED AI2796* NAVD 88 - 7.34 (meters) 24.1 (feet) RESET AI2796 ___________________________________________________________________ AI2796 GEOID HEIGHT- -32.29 (meters) GEOID99 AI2796 AI2796 VERT ORDER - THIRD AI2796 AI2796.The horizontal coordinates were scaled from a topographic map and have AI2796.an estimated accuracy of +/- 6 seconds. AI2796 AI2796.The orthometric height was computed from unverified reset data. AI2796.No vertical observational check was made to the station. AI2796 AI2796.The geoid height was determined by GEOID99. AI2796 AI2796; North East Units Estimated Accuracy AI2796;SPC VA N - 2,100,840. 3,602,760. MT (+/- 180 meters Scaled) AI2796 AI2796 SUPERSEDED SURVEY CONTROL AI2796 AI2796.No superseded survey control is available for this station. AI2796 AI2796_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH978715(NAD 83) AI2796_MARKER: DV = VERTICAL CONTROL DISK AI2796_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AI2796_STAMPING: G 386 RESET 1998 AI2796_MARK LOGO: NGS AI2796_MAGNETIC: O = OTHER; SEE DESCRIPTION AI2796_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AI2796+STABILITY: SURFACE MOTION AI2796 AI2796 HISTORY - Date Condition Report By AI2796 HISTORY - 1998 MONUMENTED NGS AI2796 AI2796 STATION DESCRIPTION AI2796 AI2796'DESCRIBED BY NATIONAL GEODETIC SURVEY 1998 (FRB) AI2796'0.4 MILE (0.6 KM) NORTHEAST FROM DUNFRIES. ABOUT 0.35 MILE (0.56 KM) AI2796'NORTHEAST ALONG U.S HIGHWAY 1 FROM THE POST OFFICE AT DUNFRIES, 0.1 AI2796'SOUTHWEST OF THE JUNCTION OF NORTH BOUND LANE OF HIGHWAY 1 AND THREE AI2796'LANE TWO-WAY TRAFFIC LANE OF HIGHWAY 1, 105 YARDS SOUTHWEST OF THE AI2796'JUNCTION OF NORTH BOUND LANE AND ROAD 633 LEADING EAST SOUTHEAST, 0.35 AI2796'MILE (0.56 KM) NORTH OF NORTH BOUND LANE OF HIGHWAY 1 BRIDGE OVER AI2796'QUANTICO CREEK, 36 1/2 FEET SOUTHEAST OF CENTERLINE OF NORTH BOUND AI2796'LANE OF HIGHWAY 1, IN TOP OF THE SOUTHWEST END OF THE SOUTHEAST HEAD AI2796'WALL OF A CONCRETE CULVERT UNDER BOTH LANES OF HIGHWAY 1. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV3526 *********************************************************************** HV3526 DESIGNATION - H 144 RESET 1949 HV3526 PID - HV3526 HV3526 STATE/COUNTY- VA/PRINCE WILLIAM HV3526 USGS QUAD - THOROUGHFARE GAP (1994) HV3526 HV3526 *CURRENT SURVEY CONTROL HV3526 ___________________________________________________________________ HV3526* NAD 83(1986)- 38 50 11. (N) 077 38 02. (W) SCALED HV3526* NAVD 88 - 113.20 (meters) 371.4 (feet) RESET HV3526 ___________________________________________________________________ HV3526 GEOID HEIGHT- -32.06 (meters) GEOID99 HV3526 HV3526 VERT ORDER - THIRD HV3526 HV3526.The horizontal coordinates were scaled from a topographic map and have HV3526.an estimated accuracy of +/- 6 seconds. HV3526 HV3526.The orthometric height was computed from unverified reset data. HV3526.No vertical observational check was made to the station. HV3526 HV3526.The geoid height was determined by GEOID99. HV3526 HV3526; North East Units Estimated Accuracy HV3526;SPC VA N - 2,130,190. 3,575,200. MT (+/- 180 meters Scaled) HV3526 HV3526 SUPERSEDED SURVEY CONTROL HV3526 HV3526 NGVD 29 (??/??/??) 113.14 (m) 371.2 (f) RESET 3 HV3526 HV3526.Superseded values are not recommended for survey control. HV3526.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3526.See file dsdata.txt to determine how the superseded data were derived. HV3526 HV3526_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ713019(NAD 83) HV3526_MARKER: DD = SURVEY DISK HV3526_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV3526_STAMPING: H 144 RESET 1949 HV3526_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV3526+STABILITY: SURFACE MOTION HV3526 HV3526 HISTORY - Date Condition Report By HV3526 HISTORY - 1949 MONUMENTED VADH HV3526 HV3526 STATION DESCRIPTION HV3526 HV3526'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1949 HV3526'1.5 MI N FROM HAYMARKET. HV3526'1.5 MILES NORTH ALONG U.S. HIGHWAY 15 FROM THE INTERSECTION HV3526'OF STATE HIGHWAY 55 AT HAYMARKET, PRINCE WILLIAM COUNTY, AT THE HV3526'JUNCTION OF SECONDARY STATE HIGHWAY 685, AND 53 FEET WEST OF THE HV3526'CENTERLINE OF U.S. HIGHWAY 15. A STANDARD DISK, STAMPED H 144 HV3526'RESET 1949 AND SET IN THE TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2373 *********************************************************************** HV2373 DESIGNATION - J 12 HV2373 PID - HV2373 HV2373 STATE/COUNTY- VA/PRINCE WILLIAM HV2373 USGS QUAD - FORT BELVOIR (1983) HV2373 HV2373 *CURRENT SURVEY CONTROL HV2373 ___________________________________________________________________ HV2373* NAD 83(1986)- 38 39 47. (N) 077 14 41. (W) SCALED HV2373* NAVD 88 - 19.927 (meters) 65.38 (feet) ADJUSTED HV2373 ___________________________________________________________________ HV2373 GEOID HEIGHT- -32.21 (meters) GEOID99 HV2373 DYNAMIC HT - 19.916 (meters) 65.34 (feet) COMP HV2373 MODELED GRAV- 980,071.5 (mgal) NAVD 88 HV2373 HV2373 VERT ORDER - FIRST CLASS II HV2373 HV2373.The horizontal coordinates were scaled from a topographic map and have HV2373.an estimated accuracy of +/- 6 seconds. HV2373 HV2373.The orthometric height was determined by differential leveling HV2373.and adjusted by the National Geodetic Survey in June 1991. HV2373 HV2373.The geoid height was determined by GEOID99. HV2373 HV2373.The dynamic height is computed by dividing the NAVD 88 HV2373.geopotential number by the normal gravity value computed on the HV2373.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV2373.degrees latitude (g = 980.6199 gals.). HV2373 HV2373.The modeled gravity was interpolated from observed gravity values. HV2373 HV2373; North East Units Estimated Accuracy HV2373;SPC VA N - 2,111,350. 3,609,250. MT (+/- 180 meters Scaled) HV2373 HV2373 SUPERSEDED SURVEY CONTROL HV2373 HV2373 NGVD 29 (??/??/??) 20.184 (m) 66.22 (f) ADJUSTED 1 2 HV2373 HV2373.Superseded values are not recommended for survey control. HV2373.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2373.See file dsdata.txt to determine how the superseded data were derived. HV2373 HV2373_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH046817(NAD 83) HV2373_MARKER: DB = BENCH MARK DISK HV2373_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2373_STAMPING: J 12 1927 HV2373_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2373+STABILITY: SURFACE MOTION HV2373 HV2373 HISTORY - Date Condition Report By HV2373 HISTORY - 1927 MONUMENTED CGS HV2373 HISTORY - 1955 MARK NOT FOUND CGS HV2373 HISTORY - 1978 MARK NOT FOUND DMA HV2373 HISTORY - 20031122 MARK NOT FOUND USPSQD HV2373 HV2373 STATION DESCRIPTION HV2373 HV2373'DESCRIBED BY COAST AND GEODETIC SURVEY 1955 HV2373'0.2 MI N FROM WOODBRIDGE. HV2373'0.2 MILE SOUTH ALONG THE RICHMOND, FREDERICKSBURG AND POTOMAC HV2373'RAILROAD FROM THE STATION AT OCCOQUAN, PRINCE WILLIAM COUNTY, 30 HV2373'FEET NORTH OF A SEMAPHORE ON THE EAST SIDE OF THE TRACK, AND HV2373'15 FEET EAST OF THE TRACK. A STANDARD DISK, STAMPED J 12 1927 HV2373'AND SET IN THE TOP OF A CONCRETE POST. HV2373 HV2373 STATION RECOVERY (1978) HV2373 HV2373'RECOVERY NOTE BY DEFENSE MAP AGENCY 1978 HV2373'MARK NOT FOUND. HV2373 HV2373 STATION RECOVERY (2003) HV2373 HV2373'RECOVERY NOTE BY US POWER SQUADRON 2003 (KPM) HV2373'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV7970 *********************************************************************** HV7970 DESIGNATION - JJ 116 RESET 1980 HV7970 PID - HV7970 HV7970 STATE/COUNTY- VA/PRINCE WILLIAM HV7970 USGS QUAD - INDEPENDENT HILL (1994) HV7970 HV7970 *CURRENT SURVEY CONTROL HV7970 ___________________________________________________________________ HV7970* NAD 83(1986)- 38 39 43. (N) 077 29 13. (W) SCALED HV7970* NAVD 88 - 80.73 (meters) 264.9 (feet) RESET HV7970 ___________________________________________________________________ HV7970 GEOID HEIGHT- -32.00 (meters) GEOID99 HV7970 HV7970 VERT ORDER - THIRD HV7970 HV7970.The horizontal coordinates were scaled from a topographic map and have HV7970.an estimated accuracy of +/- 6 seconds. HV7970 HV7970.The orthometric height was computed from unverified reset data. HV7970.No vertical observational check was made to the station. HV7970 HV7970.The geoid height was determined by GEOID99. HV7970 HV7970; North East Units Estimated Accuracy HV7970;SPC VA N - 2,110,960. 3,588,170. MT (+/- 180 meters Scaled) HV7970 HV7970 SUPERSEDED SURVEY CONTROL HV7970 HV7970 NGVD 29 (??/??/??) 80.97 (m) 265.6 (f) RESET 3 HV7970 HV7970.Superseded values are not recommended for survey control. HV7970.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV7970.See file dsdata.txt to determine how the superseded data were derived. HV7970 HV7970_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH836821(NAD 83) HV7970_MARKER: DB = BENCH MARK DISK HV7970_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV7970_STAMPING: JJ 116 RESET 1980 HV7970_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV7970+STABILITY: SURFACE MOTION HV7970 HV7970 HISTORY - Date Condition Report By HV7970 HISTORY - 1980 MONUMENTED VADH HV7970 HV7970 STATION DESCRIPTION HV7970 HV7970'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1980 HV7970'2.4 MI NW FROM INDEPENDENT HILL. HV7970'2.4 MILES NORTHWEST ALONG SECONDARY STATE HIGHWAY 619 FROM HV7970'INDEPENDENT HILL, PRINCE WILLIAM COUNTY, THENCE 1.0 MILE WEST HV7970'ALONG SECONDARY STATE HIGHWAY 648, AT A WYE FORMED BY THE HV7970'JUNCTION OF SECONDARY STATE HIGHWAY 608, 39 FEET SOUTHEAST OF THE HV7970'CENTER LINE OF SECONDARY STATE HIGHWAY 648, AND 34 FEET EAST OF HV7970'THE CENTER LINE OF SECONDARY STATE HIGHWAY 608. A STANDARD DISK, HV7970'STAMPED JJ 116 RESET 1980 AND SET IN THE TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV3912 *********************************************************************** HV3912 DESIGNATION - M 115 RESET 1947 HV3912 PID - HV3912 HV3912 STATE/COUNTY- VA/PRINCE WILLIAM HV3912 USGS QUAD - NOKESVILLE (1994) HV3912 HV3912 *CURRENT SURVEY CONTROL HV3912 ___________________________________________________________________ HV3912* NAD 83(1986)- 38 42 01. (N) 077 30 43. (W) SCALED HV3912* NAVD 88 - 48.94 (meters) 160.6 (feet) RESET HV3912 ___________________________________________________________________ HV3912 GEOID HEIGHT- -31.97 (meters) GEOID99 HV3912 HV3912 VERT ORDER - THIRD HV3912 HV3912.The horizontal coordinates were scaled from a topographic map and have HV3912.an estimated accuracy of +/- 6 seconds. HV3912 HV3912.The orthometric height was computed from unverified reset data. HV3912.No vertical observational check was made to the station. HV3912 HV3912.The geoid height was determined by GEOID99. HV3912 HV3912; North East Units Estimated Accuracy HV3912;SPC VA N - 2,115,190. 3,585,950. MT (+/- 180 meters Scaled) HV3912 HV3912 SUPERSEDED SURVEY CONTROL HV3912 HV3912 NGVD 29 (??/??/??) 49.20 (m) 161.4 (f) RESET 3 HV3912 HV3912.Superseded values are not recommended for survey control. HV3912.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3912.See file dsdata.txt to determine how the superseded data were derived. HV3912 HV3912_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH815865(NAD 83) HV3912_MARKER: DD = SURVEY DISK HV3912_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV3912_STAMPING: M 115 RESET 1947 HV3912_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV3912+STABILITY: SURFACE MOTION HV3912 HV3912 HISTORY - Date Condition Report By HV3912 HISTORY - 1947 MONUMENTED VADH HV3912 HV3912 STATION DESCRIPTION HV3912 HV3912'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1947 HV3912'2.2 MI SE FROM BRISTOW. HV3912'2.2 MILES SOUTHEAST ALONG SECONDARY STATE HIGHWAY 619 FROM THE HV3912'SOUTHERN RAILWAY STATION AT BRISTOW, PRINCE WILLIAM COUNTY, 220 HV3912'FEET NORTH OF A BRIDGE OVER KETTLE RUN, AND 30 FEET EAST OF THE HV3912'CENTER LINE OF THE HIGHWAY. A STANDARD DISK, STAMPED M 115 HV3912'RESET 1947 AND SET IN THE TOP OF A CONCRETE POST PROJECTING 8 HV3912'INCHES ABOVE GROUND. NOTE-- THIS BENCH MARK WAS ESTABLISHED AND HV3912'ITS ELEVATION DETERMINED IN THE WINTER OF 1947-48 BY ENGINEERS OF HV3912'THE STATE HIGHWAY DEPARTMENT. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV3519 *********************************************************************** HV3519 DESIGNATION - N 144 RESET 1962 HV3519 PID - HV3519 HV3519 STATE/COUNTY- VA/PRINCE WILLIAM HV3519 USGS QUAD - MIDDLEBURG (1981) HV3519 HV3519 *CURRENT SURVEY CONTROL HV3519 ___________________________________________________________________ HV3519* NAD 83(1986)- 38 54 01. (N) 077 37 38. (W) SCALED HV3519* NAVD 88 - 114.23 (meters) 374.8 (feet) RESET HV3519 ___________________________________________________________________ HV3519 GEOID HEIGHT- -32.10 (meters) GEOID99 HV3519 HV3519 VERT ORDER - THIRD HV3519 HV3519.The horizontal coordinates were scaled from a topographic map and have HV3519.an estimated accuracy of +/- 6 seconds. HV3519 HV3519.The orthometric height was computed from unverified reset data. HV3519.No vertical observational check was made to the station. HV3519 HV3519.The geoid height was determined by GEOID99. HV3519 HV3519; North East Units Estimated Accuracy HV3519;SPC VA N - 2,137,290. 3,575,710. MT (+/- 180 meters Scaled) HV3519 HV3519 SUPERSEDED SURVEY CONTROL HV3519 HV3519 NGVD 29 (??/??/??) 114.46 (m) 375.5 (f) RESET 3 HV3519 HV3519.Superseded values are not recommended for survey control. HV3519.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3519.See file dsdata.txt to determine how the superseded data were derived. HV3519 HV3519_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ721089(NAD 83) HV3519_MARKER: DB = BENCH MARK DISK HV3519_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV3519_STAMPING: N 144 RESET 1962 HV3519_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV3519+STABILITY: SURFACE MOTION HV3519 HV3519 HISTORY - Date Condition Report By HV3519 HISTORY - 1962 MONUMENTED VADH HV3519 HV3519 STATION DESCRIPTION HV3519 HV3519'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1962 HV3519'6.5 MI N FROM HAYMARKET. HV3519'ABOUT 6.5 MILES NORTH ALONG STATE HIGHWAY 15 TO ITS JUNCTION WITH HV3519'STATE HIGHWAY 701, S 80 DEG E AND 870 FEET FROM THE INTERSECTION HV3519'OF STATE ROUTE 15 AND STATE ROUTE 701, S 35 DEG E AND 81 FEET HV3519'FROM SOUTHEAST CORNER OF A 1 1/2 STORY FRAME DWELLING, DUE WEST HV3519'AND 308 FEET FROM THE SOUTHWEST CORNER OF A FRAME CHURCH, LOCATED HV3519'5 FEET FROM FENCE CORNER NEAR PRIVATE ENTRANCE AND 1 FOOT FROM HV3519'FENCE LINE, AND SET IN THE TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV8216 *********************************************************************** HV8216 DESIGNATION - OCCOQUAN HV8216 PID - HV8216 HV8216 STATE/COUNTY- VA/PRINCE WILLIAM HV8216 USGS QUAD - OCCOQUAN (1994) HV8216 HV8216 *CURRENT SURVEY CONTROL HV8216 ___________________________________________________________________ HV8216* NAD 83(1993)- 38 41 00.54797(N) 077 15 34.05889(W) ADJUSTED HV8216* NAVD 88 - 3.2 (meters) 10. (feet) VERTCON HV8216 ___________________________________________________________________ HV8216 X - 1,099,449.209 (meters) COMP HV8216 Y - -4,862,596.311 (meters) COMP HV8216 Z - 3,964,931.369 (meters) COMP HV8216 LAPLACE CORR- -2.48 (seconds) DEFLEC99 HV8216 ELLIP HEIGHT- -28.96 (meters) (06/04/02) GPS OBS HV8216 GEOID HEIGHT- -32.15 (meters) GEOID99 HV8216 HV8216 HORZ ORDER - SECOND HV8216 ELLP ORDER - FOURTH CLASS II HV8216 HV8216.The horizontal coordinates were established by GPS observations HV8216.and adjusted by the National Geodetic Survey in November 1994. HV8216 HV8216.The NAVD 88 height was computed by applying the VERTCON shift value to HV8216.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV8216 HV8216.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV8216 HV8216.The Laplace correction was computed from DEFLEC99 derived deflections. HV8216 HV8216.The ellipsoidal height was determined by GPS observations HV8216.and is referenced to NAD 83. HV8216 HV8216.The geoid height was determined by GEOID99. HV8216 HV8216; North East Units Scale Converg. HV8216;SPC VA N - 2,113,594.932 3,607,931.797 MT 0.99994905 +0 46 27.3 HV8216;UTM 18 - 4,284,076.294 303,469.390 MT 1.00007565 -1 24 45.6 HV8216 HV8216 SUPERSEDED SURVEY CONTROL HV8216 HV8216 ELLIP H (11/14/94) -28.95 (m) GP( ) 4 2 HV8216 NAD 83(1993)- 38 41 00.54691(N) 077 15 34.06840(W) AD( ) 2 HV8216 ELLIP H (01/27/92) -29.52 (m) GP( ) 4 1 HV8216 NAD 83(1986)- 38 41 00.54739(N) 077 15 34.06969(W) AD( ) 2 HV8216 NGVD 29 (01/20/89) 3.5 (m) 11. (f) GPS OBS HV8216 HV8216.Superseded values are not recommended for survey control. HV8216.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8216.See file dsdata.txt to determine how the superseded data were derived. HV8216 HV8216_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH0346984076(NAD 83) HV8216_MARKER: A = ALUMINUM MARKER HV8216_SETTING: 2 = OBJECT IMBEDDED IN GROUND HV8216_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET HV8216_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV8216_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV8216+SATELLITE: SATELLITE OBSERVATIONS - 1986 HV8216 HV8216 HISTORY - Date Condition Report By HV8216 HISTORY - 1986 MONUMENTED LOCENG HV8216 HISTORY - 20020414 MARK NOT FOUND USPSQD HV8216 HISTORY - 20020414 MARK NOT FOUND USPSQD HV8216 HISTORY - 20031122 MARK NOT FOUND USPSQD HV8216 HV8216 STATION DESCRIPTION HV8216 HV8216'DESCRIBED BY LOCAL ENGINEER (INDIVIDUAL OR FIRM) 1986 HV8216'THE STATION IS LOCATED IN SOUTHEASTERN PRINCE WILLIAM COUNTY VIRGINIA, HV8216'IN MAMIE DAVIS PARK, JUST WEST OF THE OCCOQUAN RIVER IN OCCOQUAN, HV8216'VIRGINIA. HV8216' HV8216'TO REACH THE STATION FROM THE INTERSECTION OF ROUTE 123, GORDON HV8216'BOULEVARD, AND STATE ROUTE 641, DAVIS FORD ROAD, GO NORTH ON ROUTE 123 HV8216'FOR 0.4 MILES TO COMMERCE ROAD BEFORE THE BRIDGE ON THE LEFT. TURN HV8216'LEFT ON COMMERCE ROAD AND GO 0.2 MILES TO ROUTE 1202, WASHINGTON HV8216'STREET ON THE RIGHT. GO RIGHT ON WASHINGTON STREET TO AT ROAD HV8216'INTERSECTION WITH POPLAR STREET, ROUTE 1208. THE STATION IS STRAIGHT HV8216'AHEAD BY A WOODEN RAIL FENCE IN MAMIE DAVIS PARK. HV8216' HV8216'THE STATION IS A W1-B BERNTSEN ALUMINUM DISK SET FLUSH WITH THE GROUND HV8216'AND IS STAMPED---61 OCCOQUAN 1986---. THE STATION IS 18 FEET EAST OF HV8216'THE INTERSECTION OF POPLAR STREET AND WASHINGTON STREET, 1 FOOT EAST HV8216'OF A WOODEN RAIL FENCE, ABOUT 60 FEET NORTHWEST OF THE CORNER OF THE HV8216'SEA AND SEA COMPLEX BUILDING, 43.48 FEET SOUTH OF A FLAGPOLE, 4 FEET HV8216'FROM A FENCE POST, 31.33 FEET NORTH OF THE CENTERLINE OF POPLAR LANE, HV8216'AND 42.54 FEET EAST OF A FIRE HYDRANT. HV8216' HV8216'THE AZIMUTH MARK IS A W1-B BERNTSEN ALUMINUM DISK SET FLUSH WITH THE HV8216'GROUND AND IS STAMPED--- 61 OCCOQUAN AZIMUTH 1986---. THE MARK IS 27 HV8216'FEET EAST OF POPLAR LANE, AND 3 FEET SOUTH OF CONCRETE EMBANKMENT. HV8216' HV8216'TO REACH THE AZIMUTH FROM THE STATION, PROCEED NORTHEAST ON POPLAR HV8216'LANE FOR 0.1 MILES TO THE AZIMUTH MARK ON THE RIGHT JUST BEFORE THE HV8216'HIGHWAY BRIDGE OVER THE ROAD. HV8216 HV8216 STATION RECOVERY (2002) HV8216 HV8216'RECOVERY NOTE BY US POWER SQUADRON 2002 HV8216'BELIEVE PARK RENOVATION MAY HAVE DESTROYED OR BURIED MARK. HV8216 HV8216 STATION RECOVERY (2002) HV8216 HV8216'RECOVERY NOTE BY US POWER SQUADRON 2002 HV8216'MARK DESTROYED, VERIFIED BY VERBAL CONVERSATION WITH FIRE DEPTMENT HV8216'MEMBER. HV8216 HV8216 STATION RECOVERY (2003) HV8216 HV8216'RECOVERY NOTE BY US POWER SQUADRON 2003 (KPM) HV8216'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV3703 *********************************************************************** HV3703 DESIGNATION - P 384 RESET 1960 HV3703 PID - HV3703 HV3703 STATE/COUNTY- VA/PRINCE WILLIAM HV3703 USGS QUAD - GAINESVILLE (1994) HV3703 HV3703 *CURRENT SURVEY CONTROL HV3703 ___________________________________________________________________ HV3703* NAD 83(1986)- 38 47 56. (N) 077 36 07. (W) SCALED HV3703* NAVD 88 - 103.93 (meters) 341.0 (feet) RESET HV3703 ___________________________________________________________________ HV3703 GEOID HEIGHT- -32.02 (meters) GEOID99 HV3703 HV3703 VERT ORDER - THIRD HV3703 HV3703.The horizontal coordinates were scaled from a topographic map and have HV3703.an estimated accuracy of +/- 6 seconds. HV3703 HV3703.The orthometric height was computed from unverified reset data. HV3703.No vertical observational check was made to the station. HV3703 HV3703.The geoid height was determined by GEOID99. HV3703 HV3703; North East Units Estimated Accuracy HV3703;SPC VA N - 2,126,060. 3,578,010. MT (+/- 180 meters Scaled) HV3703 HV3703 SUPERSEDED SURVEY CONTROL HV3703 HV3703 NGVD 29 (??/??/??) 104.16 (m) 341.7 (f) RESET 3 HV3703 HV3703.Superseded values are not recommended for survey control. HV3703.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3703.See file dsdata.txt to determine how the superseded data were derived. HV3703 HV3703_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH740976(NAD 83) HV3703_MARKER: DB = BENCH MARK DISK HV3703_SETTING: 30 = CONCRETE HEADWALL HV3703_STAMPING: P 384 RESET 1960 HV3703_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV3703 HV3703 HISTORY - Date Condition Report By HV3703 HISTORY - 1960 MONUMENTED VADH HV3703 HISTORY - 1962 GOOD CGS HV3703 HV3703 STATION DESCRIPTION HV3703 HV3703'DESCRIBED BY COAST AND GEODETIC SURVEY 1962 HV3703'0.4 MI ENE FROM GAINESVILLE. HV3703'ABOUT 0.35 MILE EAST-NORTHEAST ALONG U.S. HIGHWAY 211 AND 29 HV3703'FROM THE JUNCTION OF STATE HIGHWAY 55 LEADING NORTHWEST AT HV3703'GAINESVILLE, 18 FEET NORTH-NORTHWEST OF THE CENTERLINE OF THE HV3703'WESTBOUND LANE, IN TOP OF CONCRETE HEADWALL OF A 48-INCH DOUBLE HV3703'LINE PIPE BEING UNDER THE WESTBOUND LANE OF HIGHWAY, AND ABOUT HV3703'LEVEL WITH THE HIGHWAY. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2523 *********************************************************************** HV2523 DESIGNATION - RAY RM 1 HV2523 PID - HV2523 HV2523 STATE/COUNTY- VA/PRINCE WILLIAM HV2523 USGS QUAD - OCCOQUAN (1994) HV2523 HV2523 *CURRENT SURVEY CONTROL HV2523 ___________________________________________________________________ HV2523* NAD 83(1986)- 38 39 30. (N) 077 16 38. (W) SCALED HV2523* NAVD 88 - 78.474 (meters) 257.46 (feet) ADJUSTED HV2523 ___________________________________________________________________ HV2523 GEOID HEIGHT- -32.17 (meters) GEOID99 HV2523 DYNAMIC HT - 78.430 (meters) 257.32 (feet) COMP HV2523 MODELED GRAV- 980,063.8 (mgal) NAVD 88 HV2523 HV2523 VERT ORDER - SECOND CLASS 0 HV2523 HV2523.The horizontal coordinates were scaled from a topographic map and have HV2523.an estimated accuracy of +/- 6 seconds. HV2523 HV2523.The orthometric height was determined by differential leveling HV2523.and adjusted by the National Geodetic Survey in June 1991. HV2523 HV2523.The geoid height was determined by GEOID99. HV2523 HV2523.The dynamic height is computed by dividing the NAVD 88 HV2523.geopotential number by the normal gravity value computed on the HV2523.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV2523.degrees latitude (g = 980.6199 gals.). HV2523 HV2523.The modeled gravity was interpolated from observed gravity values. HV2523 HV2523; North East Units Estimated Accuracy HV2523;SPC VA N - 2,110,780. 3,606,420. MT (+/- 180 meters Scaled) HV2523 HV2523 SUPERSEDED SURVEY CONTROL HV2523 HV2523 NGVD 29 (??/??/??) 78.732 (m) 258.31 (f) ADJUSTED 2 0 HV2523 HV2523.Superseded values are not recommended for survey control. HV2523.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2523.See file dsdata.txt to determine how the superseded data were derived. HV2523 HV2523_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH018813(NAD 83) HV2523_MARKER: DR = REFERENCE MARK DISK HV2523_SETTING: 0 = UNSPECIFIED SETTING HV2523_STAMPING: RAY NO 1 1957 HV2523_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2523 HV2523 HISTORY - Date Condition Report By HV2523 HISTORY - 1957 MONUMENTED CGS HV2523 HISTORY - 1960 GOOD CGS HV2523 HISTORY - 1962 MARK NOT FOUND CGS HV2523 HISTORY - 20031122 MARK NOT FOUND USPSQD HV2523 HV2523 STATION DESCRIPTION HV2523 HV2523'DESCRIBED BY COAST AND GEODETIC SURVEY 1960 HV2523'1.8 MI W FROM WOODBRIDGE. HV2523'ABOUT 0.35 MILE NORTHWEST ALONG STATE HIGHWAY 123 FROM THE HV2523'JUNCTION OF U.S. HIGHWAY 1 AT WOODBRIDGE, THENCE ABOUT 1.35 HV2523'MILES SOUTHWEST AND WESTALONG ROAD 639, THENCE ABOUT 0.15 MILE HV2523'NORTHWEST ACROSS A HILLTOP TRASH DUMP, IN A SMALL OPENING IN HV2523'WOODS BEHIND AND NORTHWEST OF A TRASH PILE,. HV2523'NOTE-- TRIANGULATION-STATION RAY IS COVERED BY TOO MUCH TRASH HV2523'TO BE RECOVERED. IT MAY HAVE BEEN PUSHED OUT BY BULLDOZER. HV2523'RAY R M 2 WAS REPORTED AS BEING PUSHED OUT ALSO BY TRASH PILE HV2523'CARETAKER. HV2523 HV2523 STATION RECOVERY (1962) HV2523 HV2523'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1962 HV2523'MARK NOT FOUND. HV2523 HV2523 STATION RECOVERY (2003) HV2523 HV2523'RECOVERY NOTE BY US POWER SQUADRON 2003 (KPM) HV2523'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2610 *********************************************************************** HV2610 DESIGNATION - RUST HV2610 PID - HV2610 HV2610 STATE/COUNTY- VA/PRINCE WILLIAM HV2610 USGS QUAD - OCCOQUAN (1994) HV2610 HV2610 *CURRENT SURVEY CONTROL HV2610 ___________________________________________________________________ HV2610* NAD 83(1986)- 38 39 54. (N) 077 15 21. (W) SCALED HV2610* NAVD 88 - 23.93 (+/-2cm) 78.5 (feet) VERTCON HV2610 ___________________________________________________________________ HV2610 GEOID HEIGHT- -32.19 (meters) GEOID99 HV2610 HV2610 VERT ORDER - ? (See Below) HV2610 HV2610.The horizontal coordinates were scaled from a topographic map and have HV2610.an estimated accuracy of +/- 6 seconds. HV2610 HV2610.The NAVD 88 height was computed by applying the VERTCON shift value to HV2610.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV2610.The vertical order pertains to the NGVD 29 superseded value. HV2610 HV2610.The geoid height was determined by GEOID99. HV2610 HV2610; North East Units Estimated Accuracy HV2610;SPC VA N - 2,111,550. 3,608,280. MT (+/- 180 meters Scaled) HV2610 HV2610 SUPERSEDED SURVEY CONTROL HV2610 HV2610 NGVD 29 (??/??/??) 24.186 (m) 79.35 (f) ADJUSTED ? HV2610 HV2610.Superseded values are not recommended for survey control. HV2610.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2610.See file dsdata.txt to determine how the superseded data were derived. HV2610 HV2610_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH037820(NAD 83) HV2610_MARKER: X = CHISELED CROSS HV2610_SETTING: 30 = PROPERTY MARKER HV2610_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2610 HV2610 HISTORY - Date Condition Report By HV2610 HISTORY - UNK MONUMENTED CGS HV2610 HISTORY - 1935 GOOD CGS HV2610 HISTORY - 1941 POOR CGS HV2610 HISTORY - 20020414 MARK NOT FOUND USPSQD HV2610 HISTORY - 20031122 MARK NOT FOUND USPSQD HV2610 HV2610 STATION DESCRIPTION HV2610 HV2610'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 HV2610'0.6 MI NW FROM WOODBRIDGE. HV2610'0.6 MILE NORTHWEST ALONG STATE HIGHWAY 123 FROM THE JUNCTION OF HV2610'U.S. HIGHWAY 1 AT WOODBRIDGE, PRINCE WILLIAM COUNTY, ON A SLOPING HV2610'BANK, 20 FEET NORTHEAST OF THE CENTER LINE OF THE HIGHWAY, AND ON HV2610'THE TOP OF A CONCRETE PROPERTY-MARKER MARKED RUST. A CHISELED HV2610'CROSS. HV2610 HV2610 STATION RECOVERY (1941) HV2610 HV2610'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1941 HV2610'MARK RECOVERED IN POOR CONDITION. HV2610 HV2610 STATION RECOVERY (2002) HV2610 HV2610'RECOVERY NOTE BY US POWER SQUADRON 2002 HV2610'BELIEVE I95 INTERCHANGE HAS DESTROYED MARK. HV2610 HV2610 STATION RECOVERY (2003) HV2610 HV2610'RECOVERY NOTE BY US POWER SQUADRON 2003 (KPM) HV2610'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2601 *********************************************************************** HV2601 DESIGNATION - T 114 RESET 1973 HV2601 PID - HV2601 HV2601 STATE/COUNTY- VA/PRINCE WILLIAM HV2601 USGS QUAD - OCCOQUAN (1994) HV2601 HV2601 *CURRENT SURVEY CONTROL HV2601 ___________________________________________________________________ HV2601* NAD 83(1986)- 38 41 30. (N) 077 21 46. (W) SCALED HV2601* NAVD 88 - 109.15 (meters) 358.1 (feet) RESET HV2601 ___________________________________________________________________ HV2601 GEOID HEIGHT- -32.03 (meters) GEOID99 HV2601 HV2601 VERT ORDER - THIRD HV2601 HV2601.The horizontal coordinates were scaled from a topographic map and have HV2601.an estimated accuracy of +/- 6 seconds. HV2601 HV2601.The orthometric height was computed from unverified reset data. HV2601.No vertical observational check was made to the station. HV2601 HV2601.The geoid height was determined by GEOID99. HV2601 HV2601; North East Units Estimated Accuracy HV2601;SPC VA N - 2,114,390. 3,598,930. MT (+/- 180 meters Scaled) HV2601 HV2601 SUPERSEDED SURVEY CONTROL HV2601 HV2601 NGVD 29 (??/??/??) 109.39 (m) 358.9 (f) RESET 3 HV2601 HV2601.Superseded values are not recommended for survey control. HV2601.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2601.See file dsdata.txt to determine how the superseded data were derived. HV2601 HV2601_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH945852(NAD 83) HV2601_MARKER: DB = BENCH MARK DISK HV2601_SETTING: 0 = UNSPECIFIED SETTING HV2601_STAMPING: T 114 RESET 1973 HV2601_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2601 HV2601 HISTORY - Date Condition Report By HV2601 HISTORY - 1973 MONUMENTED VADH HV2601 HISTORY - 1974 GOOD NGS HV2601 HV2601 STATION DESCRIPTION HV2601 HV2601'DESCRIBED BY NATIONAL GEODETIC SURVEY 1974 HV2601'0.8 MI N FROM HOADLY. HV2601'.77 MILE NORTH ALONG SECONDARY STATE HIGHWAY 663, DAVIS FORD HV2601'ROAD, PRINCE WILLIAM COUNTY, FROM INT. STATE ROUTE 663 AND STATE HV2601'ROUTE 642 HOADLY ROAD AND SET IN THE SOUTHEAST CORNER OF JUNCTION HV2601'OF SECONDARY STATE HIGHWAY 663 AND ROUTE 610, AND 56.5 FEET EAST HV2601'OF ROUTE 663 CENTERLINE AND 44.5 SOUTH OF CENTERLINE OF ROUTE 610. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2575 *********************************************************************** HV2575 DESIGNATION - W 112 RESET 1940 HV2575 PID - HV2575 HV2575 STATE/COUNTY- VA/PRINCE WILLIAM HV2575 USGS QUAD - INDEPENDENT HILL (1994) HV2575 HV2575 *CURRENT SURVEY CONTROL HV2575 ___________________________________________________________________ HV2575* NAD 83(1986)- 38 38 21. (N) 077 26 42. (W) SCALED HV2575* NAVD 88 - 123.80 (meters) 406.2 (feet) RESET HV2575 ___________________________________________________________________ HV2575 GEOID HEIGHT- -32.04 (meters) GEOID99 HV2575 HV2575 VERT ORDER - THIRD HV2575 HV2575.The horizontal coordinates were scaled from a topographic map and have HV2575.an estimated accuracy of +/- 6 seconds. HV2575 HV2575.The orthometric height was computed from unverified reset data. HV2575.No vertical observational check was made to the station. HV2575 HV2575.The geoid height was determined by GEOID99. HV2575 HV2575; North East Units Estimated Accuracy HV2575;SPC VA N - 2,108,470. 3,591,850. MT (+/- 180 meters Scaled) HV2575 HV2575 SUPERSEDED SURVEY CONTROL HV2575 HV2575 NGVD 29 (??/??/??) 124.04 (m) 407.0 (f) RESET 3 HV2575 HV2575.Superseded values are not recommended for survey control. HV2575.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2575.See file dsdata.txt to determine how the superseded data were derived. HV2575 HV2575_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH871795(NAD 83) HV2575_MARKER: DB = BENCH MARK DISK HV2575_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2575_STAMPING: W 112 RESET 1940 HV2575_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2575+STABILITY: SURFACE MOTION HV2575 HV2575 HISTORY - Date Condition Report By HV2575 HISTORY - 1940 MONUMENTED VADH HV2575 HV2575 STATION DESCRIPTION HV2575 HV2575'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1940 HV2575'0.4 MI NW FROM INDEPENDENT HILL. HV2575'0.4 MILE NORTHWEST ALONG STATE HIGHWAY 234 FROM INDEPENDENT HILL, HV2575'PRINCE WILLIAM COUNTY, AT THE Y-JUNCTION OF SECONDARY STATE HV2575'HIGHWAY 619 LEADING WEST, AT A CURVE TO THE NORTH, AND 60 FEET HV2575'SOUTHWEST OF THE CENTER LINE OF STATE HIGHWAY 234. A STANDARD HV2575'DISK, STAMPED W 112 RESET 1940 AND SET IN THE TOP OF A CONCRETE HV2575'POST. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 AB7220 *********************************************************************** AB7220 DESIGNATION - X 114 RESET AB7220 PID - AB7220 AB7220 STATE/COUNTY- VA/PRINCE WILLIAM AB7220 USGS QUAD - OCCOQUAN (1994) AB7220 AB7220 *CURRENT SURVEY CONTROL AB7220 ___________________________________________________________________ AB7220* NAD 83(1986)- 38 39 30. (N) 077 18 05. (W) SCALED AB7220* NAVD 88 - 86.44 (+/-2cm) 283.6 (feet) VERTCON AB7220 ___________________________________________________________________ AB7220 GEOID HEIGHT- -32.14 (meters) GEOID99 AB7220 AB7220 VERT ORDER - THIRD (See Below) AB7220 AB7220.The horizontal coordinates were scaled from a topographic map and have AB7220.an estimated accuracy of +/- 6 seconds. AB7220 AB7220.The NAVD 88 height was computed by applying the VERTCON shift value to AB7220.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) AB7220.The vertical order pertains to the NGVD 29 superseded value. AB7220 AB7220.The geoid height was determined by GEOID99. AB7220 AB7220; North East Units Estimated Accuracy AB7220;SPC VA N - 2,110,760. 3,604,320. MT (+/- 180 meters Scaled) AB7220 AB7220 SUPERSEDED SURVEY CONTROL AB7220 AB7220 NGVD 29 (12/02/03) 86.69 (m) 284.4 (f) RESET 3 AB7220 AB7220.Superseded values are not recommended for survey control. AB7220.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AB7220.See file dsdata.txt to determine how the superseded data were derived. AB7220 AB7220_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STH997813(NAD 83) AB7220_MARKER: DV = VERTICAL CONTROL DISK AB7220_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AB7220_STAMPING: X 114 RESET 1996 AB7220_MARK LOGO: NGS AB7220_MAGNETIC: N = NO MAGNETIC MATERIAL AB7220_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AB7220+STABILITY: SURFACE MOTION AB7220 AB7220 HISTORY - Date Condition Report By AB7220 HISTORY - 1996 MONUMENTED VADHT AB7220 AB7220 STATION DESCRIPTION AB7220 AB7220'DESCRIBED BY VA DEPT HWYS-TRANSP 1996 (NAB) AB7220'0.35 MILES (0.56 KM) NORTHWEST ALONG STATE HIGHWAY 123 FROM THE AB7220'JUNCTION OF US HIGHWAY 1 IN WOODBRIDGE, THENCE 2.95 MILES (4.75 KM) AB7220'SOUTHWEST AND WEST ALONG ROUTE 639 HORNER ROAD, THENCE 450 FEET (137.2 AB7220'M) SOUTHWEST ALONG ROUTE 640 MINNIEVILLE ROAD. A STANDARD DISK SET IN AB7220'CONCRETE FLUSH WITH THE GROUND IN CENTER OF GRASS AND CURBED MEDIAN AB7220'ACROSS FROM STRAYER COLLEGE ENTRANCE, 67 FEET (20.4 M) WEST OF THE AB7220'BRICK SIGN, AND 205 FEET (62.5 M) SOUTHWEST OF THE CORNER OF THE BRICK AB7220'BUILDING OF THE COLLEGE. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2521 *********************************************************************** HV2521 DESIGNATION - Y 385 RESET 1973 HV2521 PID - HV2521 HV2521 STATE/COUNTY- VA/PRINCE WILLIAM HV2521 USGS QUAD - OCCOQUAN (1994) HV2521 HV2521 *CURRENT SURVEY CONTROL HV2521 ___________________________________________________________________ HV2521* NAD 83(1986)- 38 39 32. (N) 077 15 38. (W) SCALED HV2521* NAVD 88 - 16.66 (meters) 54.7 (feet) RESET HV2521 ___________________________________________________________________ HV2521 GEOID HEIGHT- -32.19 (meters) GEOID99 HV2521 HV2521 VERT ORDER - THIRD HV2521 HV2521.The horizontal coordinates were scaled from a topographic map and have HV2521.an estimated accuracy of +/- 6 seconds. HV2521 HV2521.The orthometric height was computed from unverified reset data. HV2521.No vertical observational check was made to the station. HV2521 HV2521.The geoid height was determined by GEOID99. HV2521 HV2521; North East Units Estimated Accuracy HV2521;SPC VA N - 2,110,860. 3,607,870. MT (+/- 180 meters Scaled) HV2521 HV2521 SUPERSEDED SURVEY CONTROL HV2521 HV2521 NGVD 29 (??/??/??) 16.92 (m) 55.5 (f) RESET 3 HV2521 HV2521.Superseded values are not recommended for survey control. HV2521.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2521.See file dsdata.txt to determine how the superseded data were derived. HV2521 HV2521_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH033813(NAD 83) HV2521_MARKER: DB = BENCH MARK DISK HV2521_SETTING: 30 = CULVERT HV2521_STAMPING: Y 385 RESET 1973 HV2521_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2521 HV2521 HISTORY - Date Condition Report By HV2521 HISTORY - 1973 MONUMENTED VADH HV2521 HV2521 STATION DESCRIPTION HV2521 HV2521'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1973 HV2521'AT WOODBRIDGE. HV2521'AT WOODBRIDGE, ABOUT 0.35 MILE NW. ALONG STATE HIGHWAY 253 HV2521'(OLD RT. 123) FROM THE JUNCTION OF U.S. HIGHWAY 1, THENCE ABOUT HV2521'0.5 MILE SW ALONG ROUTE 639, 36 FEET SE OF CENTERLINE OF ROAD HV2521'639, IN TOP SE CORNER OF CONCRETE HEADWALL OF BOX CULVERT HV2521'FOR MARUMSCO CREEK, AND ABOUT 1.4 FEET LOWER THAN CENTERLINE HV2521'EXISTING ROAD. 1 National Geodetic Survey, Retrieval Date = JANUARY 5, 2004 HV2608 *********************************************************************** HV2608 DESIGNATION - Z 114 HV2608 PID - HV2608 HV2608 STATE/COUNTY- VA/PRINCE WILLIAM HV2608 USGS QUAD - OCCOQUAN (1994) HV2608 HV2608 *CURRENT SURVEY CONTROL HV2608 ___________________________________________________________________ HV2608* NAD 83(1986)- 38 40 29. (N) 077 15 52. (W) SCALED HV2608* NAVD 88 - 53.475 (meters) 175.44 (feet) ADJUSTED HV2608 ___________________________________________________________________ HV2608 GEOID HEIGHT- -32.16 (meters) GEOID99 HV2608 DYNAMIC HT - 53.445 (meters) 175.34 (feet) COMP HV2608 MODELED GRAV- 980,064.8 (mgal) NAVD 88 HV2608 HV2608 VERT ORDER - SECOND CLASS 0 HV2608 HV2608.The horizontal coordinates were scaled from a topographic map and have HV2608.an estimated accuracy of +/- 6 seconds. HV2608 HV2608.The orthometric height was determined by differential leveling HV2608.and adjusted by the National Geodetic Survey in June 1991. HV2608 HV2608.The geoid height was determined by GEOID99. HV2608 HV2608.The dynamic height is computed by dividing the NAVD 88 HV2608.geopotential number by the normal gravity value computed on the HV2608.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV2608.degrees latitude (g = 980.6199 gals.). HV2608 HV2608.The modeled gravity was interpolated from observed gravity values. HV2608 HV2608; North East Units Estimated Accuracy HV2608;SPC VA N - 2,112,620. 3,607,510. MT (+/- 180 meters Scaled) HV2608 HV2608 SUPERSEDED SURVEY CONTROL HV2608 HV2608 NGVD 29 (??/??/??) 53.732 (m) 176.29 (f) ADJUSTED 2 0 HV2608 HV2608.Superseded values are not recommended for survey control. HV2608.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2608.See file dsdata.txt to determine how the superseded data were derived. HV2608 HV2608_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH030831(NAD 83) HV2608_MARKER: DB = BENCH MARK DISK HV2608_SETTING: 30 = CONCRETE CULVERT HV2608_STAMPING: Z 114 1935 HV2608_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV2608 HV2608 HISTORY - Date Condition Report By HV2608 HISTORY - 1935 MONUMENTED CGS HV2608 HISTORY - 1960 POOR CGS HV2608 HISTORY - 20031122 MARK NOT FOUND USPSQD HV2608 HV2608 STATION DESCRIPTION HV2608 HV2608'DESCRIBED BY COAST AND GEODETIC SURVEY 1960 HV2608'1.6 MI NW FROM WOODBRIDGE. HV2608'ABOUT 1.2 MILES NORTHWEST ALONG STATE HIGHWAY 123 FROM THE HV2608'JUNCTION OF U.S. HIGHWAY 1 AT WOODBRIDGE, THENCE ABOUT 0.4 MILE HV2608'NORTHWEST ALONG ROAD 641, 14 FEET NORTHEAST OF CENTER LINE HV2608'OF ROAD, IN TOP OF THE NORTHEAST HEAD WALL FOR CONCRETE CULVERT. HV2608'NOTE-- THIS MARK WAS NOT LEVELED OVER DURING 1960 LEVELING. HV2608 HV2608 STATION RECOVERY (2003) HV2608 HV2608'RECOVERY NOTE BY US POWER SQUADRON 2003 (KPM) HV2608'MARK NOT FOUND.