1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3000 *********************************************************************** JV3000 DESIGNATION - A 252 RESET JV3000 PID - JV3000 JV3000 STATE/COUNTY- VA/LOUDOUN JV3000 USGS QUAD - WATERFORD (1984) JV3000 JV3000 *CURRENT SURVEY CONTROL JV3000 ___________________________________________________________________ JV3000* NAD 83(1986)- 39 08 57. (N) 077 32 31. (W) SCALED JV3000* NAVD 88 - 78.63 (meters) 258.0 (feet) RESET JV3000 ___________________________________________________________________ JV3000 GEOID HEIGHT- -32.43 (meters) GEOID99 JV3000 JV3000 VERT ORDER - THIRD JV3000 JV3000.The horizontal coordinates were scaled from a topographic map and have JV3000.an estimated accuracy of +/- 6 seconds. JV3000 JV3000.The orthometric height was computed from unverified reset data. JV3000.No vertical observational check was made to the station. JV3000 JV3000.The geoid height was determined by GEOID99. JV3000 JV3000; North East Units Estimated Accuracy JV3000;SPC VA N - 2,164,990. 3,582,820. MT (+/- 180 meters Scaled) JV3000 JV3000 SUPERSEDED SURVEY CONTROL JV3000 JV3000 NGVD 29 - 78.14 (m) 256.4 (f) RESET 3 JV3000 JV3000.Superseded values are not recommended for survey control. JV3000.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3000.See file dsdata.txt to determine how the superseded data were derived. JV3000 JV3000_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ803364(NAD 83) JV3000_MARKER: DB = BENCH MARK DISK JV3000_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV3000_STAMPING: A-252-1942 RESET 1958 JV3000_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV3000+STABILITY: SURFACE MOTION JV3000 JV3000 HISTORY - Date Condition Report By JV3000 HISTORY - 1958 MONUMENTED CGS JV3000 HISTORY - 19950323 MARK NOT FOUND NGS JV3000 JV3000 STATION DESCRIPTION JV3000 JV3000'DESCRIBED BY COAST AND GEODETIC SURVEY 1958 JV3000'2.6 MI N FROM LEESBURG. JV3000'MARK IS 2.65 MILES NORTH OF THE JUNCTION AT LEESBURG, VA., OF JV3000'HIGHWAYS U.S. -15 VA. 7 ON THE WEST SIDE OF U.S. -15, ABOUT JV3000'12 FEET NORTH OF THE CENTERLINE OF A GRAVEL ROAD LEADING INTO JV3000'FARM HOMES. IT IS ON PRIVATE PROPERTY, ABOUT 1 FOOT NORTH OF A JV3000'BOARD FENCE AND ABOUT 125 FEET WEST OF THE CENTERLINE OF THE JV3000'HIGHWAY. HIGHWAY CONSTRUCTION IN 1958 WILL ALTER THIS DESCRIPTION. JV3000 JV3000 STATION RECOVERY (1995) JV3000 JV3000'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1995 (GAS) JV3000'A THOROUGH SEARCH REVEALED NO EVIDENCE OF THE MARK. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV2362 *********************************************************************** JV2362 DESIGNATION - A 90 RESET 1947 VADH JV2362 PID - JV2362 JV2362 STATE/COUNTY- VA/LOUDOUN JV2362 USGS QUAD - FREDERICK (1993) JV2362 JV2362 *CURRENT SURVEY CONTROL JV2362 ___________________________________________________________________ JV2362* NAD 83(1986)- 39 29 36. (N) 077 23 54. (W) SCALED JV2362* NAVD 88 - 97.69 (meters) 320.5 (feet) RESET JV2362 ___________________________________________________________________ JV2362 GEOID HEIGHT- -32.87 (meters) GEOID99 JV2362 JV2362 VERT ORDER - THIRD JV2362 JV2362.The horizontal coordinates were scaled from a topographic map and have JV2362.an estimated accuracy of +/- 6 seconds. JV2362 JV2362.The orthometric height was computed from unverified reset data. JV2362.No vertical observational check was made to the station. JV2362 JV2362.The geoid height was determined by GEOID99. JV2362 JV2362; North East Units Estimated Accuracy JV2362;SPC VA N - 2,203,340. 3,594,770. MT (+/- 180 meters Scaled) JV2362 JV2362 SUPERSEDED SURVEY CONTROL JV2362 JV2362 NGVD 29 - 97.91 (m) 321.2 (f) RESET 3 JV2362 JV2362.Superseded values are not recommended for survey control. JV2362.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV2362.See file dsdata.txt to determine how the superseded data were derived. JV2362 JV2362_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ937742(NAD 83) JV2362_MARKER: DB = BENCH MARK DISK JV2362_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV2362_STAMPING: A 90 RESET 1947 JV2362_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV2362+STABILITY: SURFACE MOTION JV2362 JV2362 HISTORY - Date Condition Report By JV2362 HISTORY - 1947 MONUMENTED VADH JV2362 HISTORY - 1964 GOOD CGS JV2362 JV2362 STATION DESCRIPTION JV2362 JV2362'DESCRIBED BY COAST AND GEODETIC SURVEY 1964 JV2362'4.8 MI SE FROM LEESBURG. JV2362'4.8 MILES SOUTHEAST ALONG STATE HIGHWAY 7 FROM THE POST OFFICE JV2362'AT LEESBURG, LOUDOUN COUNTY, 0.1 MILE NORTHWEST OF A TWO-STORY JV2362'FRAME HOUSE WITH TIN ROOF, AT SURVEY STATION 122+80, 54 FEET JV2362'SOUTHWEST OF THE CENTER LINE OF THE HIGHWAY, AND NEAR A WHITE JV2362'WOODEN WITNESS POST. A STANDARD DISK, STAMPED A 90 RESET 1947 JV2362'AND SET IN THE TOP OF A CONCRETE POST. NOTE-- THIS BENCH MARK JV2362'WAS ESTABLISHED AND ITS ELEVATION DETERMINED BY ENGINEERS OF THE JV2362'STATE DEPARTMENT OF HIGHWAYS IN APRIL 1948. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3028 *********************************************************************** JV3028 DESIGNATION - B 90 RESET 1949 JV3028 PID - JV3028 JV3028 STATE/COUNTY- VA/LOUDOUN JV3028 USGS QUAD - LEESBURG (1994) JV3028 JV3028 *CURRENT SURVEY CONTROL JV3028 ___________________________________________________________________ JV3028* NAD 83(1986)- 39 05 52. (N) 077 31 59. (W) SCALED JV3028* NAVD 88 - 81.25 (meters) 266.6 (feet) RESET JV3028 ___________________________________________________________________ JV3028 GEOID HEIGHT- -32.30 (meters) GEOID99 JV3028 JV3028 VERT ORDER - THIRD JV3028 JV3028.The horizontal coordinates were scaled from a topographic map and have JV3028.an estimated accuracy of +/- 6 seconds. JV3028 JV3028.The orthometric height was computed from unverified reset data. JV3028.No vertical observational check was made to the station. JV3028 JV3028.The geoid height was determined by GEOID99. JV3028 JV3028; North East Units Estimated Accuracy JV3028;SPC VA N - 2,159,300. 3,583,650. MT (+/- 180 meters Scaled) JV3028 JV3028 SUPERSEDED SURVEY CONTROL JV3028 JV3028 NGVD 29 - 81.47 (m) 267.3 (f) RESET 3 JV3028 JV3028.Superseded values are not recommended for survey control. JV3028.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3028.See file dsdata.txt to determine how the superseded data were derived. JV3028 JV3028_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ809306(NAD 83) JV3028_MARKER: DB = BENCH MARK DISK JV3028_SETTING: 30 = CULVERT HEADWALL JV3028_STAMPING: B 90 RESET 1949 JV3028_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY JV3028 JV3028 HISTORY - Date Condition Report By JV3028 HISTORY - 1950 MONUMENTED VADH JV3028 HISTORY - 1964 GOOD CGS JV3028 JV3028 STATION DESCRIPTION JV3028 JV3028'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1950 JV3028'2 MI SE FROM LEESBURG. JV3028'2.0 MILES SOUTHEAST ALONG STATE HIGHWAY 7 FROM THE POST OFFICE JV3028'AT LEESBURG, LOUDOUN COUNTY, AT A LARGE CONCRETE CULVERT, IN JV3028'THE TOP OF THE SOUTHWEST HEADWALL, AND 30 FEET SOUTHWEST OF THE JV3028'CENTERLINE OF THE HIGHWAY. A STANDARD DISK, STAMPED B 90 JV3028'RESET 1949. JV3028 JV3028 STATION RECOVERY (1964) JV3028 JV3028'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1964 JV3028'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 HV3505 *********************************************************************** HV3505 DESIGNATION - C 228 RESET 1955 HV3505 PID - HV3505 HV3505 STATE/COUNTY- VA/LOUDOUN HV3505 USGS QUAD - MIDDLEBURG (1981) HV3505 HV3505 *CURRENT SURVEY CONTROL HV3505 ___________________________________________________________________ HV3505* NAD 83(1986)- 38 58 36. (N) 077 40 24. (W) SCALED HV3505* NAVD 88 - 103.81 (meters) 340.6 (feet) RESET HV3505 ___________________________________________________________________ HV3505 GEOID HEIGHT- -32.33 (meters) GEOID99 HV3505 HV3505 VERT ORDER - THIRD HV3505 HV3505.The horizontal coordinates were scaled from a topographic map and have HV3505.an estimated accuracy of +/- 6 seconds. HV3505 HV3505.The orthometric height was computed from unverified reset data. HV3505.No vertical observational check was made to the station. HV3505 HV3505.The geoid height was determined by GEOID99. HV3505 HV3505; North East Units Estimated Accuracy HV3505;SPC VA N - 2,145,730. 3,571,630. MT (+/- 180 meters Scaled) HV3505 HV3505 SUPERSEDED SURVEY CONTROL HV3505 HV3505 NGVD 29 - 104.02 (m) 341.3 (f) RESET 3 HV3505 HV3505.Superseded values are not recommended for survey control. HV3505.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3505.See file dsdata.txt to determine how the superseded data were derived. HV3505 HV3505_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ684175(NAD 83) HV3505_MARKER: DD = SURVEY DISK HV3505_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV3505_STAMPING: C 228 RESET 1955 HV3505_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV3505+STABILITY: SURFACE MOTION HV3505 HV3505 HISTORY - Date Condition Report By HV3505 HISTORY - 1955 MONUMENTED VADH HV3505 HV3505 STATION DESCRIPTION HV3505 HV3505'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1955 HV3505'3.3 MI E FROM MIDDLEBURG. HV3505'3.3 MILES EAST ALONG U.S. HIGHWAY 50 FROM THE NATIONAL BANK AT HV3505'MIDDLEBURG, LOUDOUN COUNTY, JUST EAST OF A SYCAMORE TREE, HV3505'28 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, AND 2 FEET NORTH HV3505'OF A FENCE. A STANDARD DISK, STAMPED C 228 RESET 1955 AND SET HV3505'IN THE TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3007 *********************************************************************** JV3007 DESIGNATION - D 229 RESET 1972 JV3007 PID - JV3007 JV3007 STATE/COUNTY- VA/LOUDOUN JV3007 USGS QUAD - LEESBURG (1994) JV3007 JV3007 *CURRENT SURVEY CONTROL JV3007 ___________________________________________________________________ JV3007* NAD 83(1986)- 39 00 59. (N) 077 34 32. (W) SCALED JV3007* NAVD 88 - 90.72 (meters) 297.6 (feet) RESET JV3007 ___________________________________________________________________ JV3007 GEOID HEIGHT- -32.21 (meters) GEOID99 JV3007 JV3007 VERT ORDER - THIRD JV3007 JV3007.The horizontal coordinates were scaled from a topographic map and have JV3007.an estimated accuracy of +/- 6 seconds. JV3007 JV3007.The orthometric height was computed from unverified reset data. JV3007.No vertical observational check was made to the station. JV3007 JV3007.The geoid height was determined by GEOID99. JV3007 JV3007; North East Units Estimated Accuracy JV3007;SPC VA N - 2,150,220. 3,580,060. MT (+/- 180 meters Scaled) JV3007 JV3007 SUPERSEDED SURVEY CONTROL JV3007 JV3007 NGVD 29 - 90.93 (m) 298.3 (f) RESET 3 JV3007 JV3007.Superseded values are not recommended for survey control. JV3007.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3007.See file dsdata.txt to determine how the superseded data were derived. JV3007 JV3007_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ770217(NAD 83) JV3007_MARKER: DB = BENCH MARK DISK JV3007_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV3007_STAMPING: D 229 RESET 1972 JV3007_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV3007+STABILITY: SURFACE MOTION JV3007 JV3007 HISTORY - Date Condition Report By JV3007 HISTORY - 1972 MONUMENTED VADH JV3007 JV3007 STATION DESCRIPTION JV3007 JV3007'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1972 JV3007'4 MI E FROM OATLANDS. JV3007'4 MILES EAST ALONG SECONDARY STATE HIGHWAYS 650, 651 AND 621 FROM JV3007'THE JUNCTION OF U.S. HIGHWAY 15 AT OATLANDS, 0.8 MILE EAST ALONG JV3007'SECONDARY STATE HIGHWAY 621 FROM THE JUNCTION OF SECONDARY STATE JV3007'HIGHWAY 651, AT THE T JUNCTION OF SECONDARY STATE HIGHWAY 625, JV3007'77 FEET SOUTH OF STATION 287 OF RELOCATED SECONDARY STATE HIGHWAY JV3007'621, 100 FEET WEST OF SECONDARY STATE HIGHWAY 625 AND SET IN THE JV3007'TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3122 *********************************************************************** JV3122 DESIGNATION - E 253 RESET 1965 JV3122 PID - JV3122 JV3122 STATE/COUNTY- VA/LOUDOUN JV3122 USGS QUAD - BLUEMONT (1981) JV3122 JV3122 *CURRENT SURVEY CONTROL JV3122 ___________________________________________________________________ JV3122* NAD 83(1986)- 39 00 08. (N) 077 50 18. (W) SCALED JV3122* NAVD 88 - 137.58 (meters) 451.4 (feet) RESET JV3122 ___________________________________________________________________ JV3122 GEOID HEIGHT- -32.85 (meters) GEOID99 JV3122 JV3122 VERT ORDER - THIRD JV3122 JV3122.The horizontal coordinates were scaled from a topographic map and have JV3122.an estimated accuracy of +/- 6 seconds. JV3122 JV3122.The orthometric height was computed from unverified reset data. JV3122.No vertical observational check was made to the station. JV3122 JV3122.The geoid height was determined by GEOID99. JV3122 JV3122; North East Units Estimated Accuracy JV3122;SPC VA N - 2,148,450. 3,557,310. MT (+/- 180 meters Scaled) JV3122 JV3122 SUPERSEDED SURVEY CONTROL JV3122 JV3122 NGVD 29 - 137.79 (m) 452.1 (f) RESET 3 JV3122 JV3122.Superseded values are not recommended for survey control. JV3122.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3122.See file dsdata.txt to determine how the superseded data were derived. JV3122 JV3122_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ542208(NAD 83) JV3122_MARKER: DB = BENCH MARK DISK JV3122_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV3122_STAMPING: E 253 RESET 1965 JV3122_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV3122+STABILITY: SURFACE MOTION JV3122 JV3122 HISTORY - Date Condition Report By JV3122 HISTORY - 1965 MONUMENTED VADH JV3122 JV3122 STATION DESCRIPTION JV3122 JV3122'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1965 JV3122'0.4 MI SW FROM WILLISVILLE. JV3122'0.4 MILES SOUTHWEST ALONG STATE HIGHWAY 623 FROM THE JV3122'INTERSECTION OF STATE HIGHWAY 743 AT WILLISVILLE, LOUDOUN JV3122'COUNTY, 60 FEET EAST OR LT. STATION 42+50 NEW LOCATION OF ROUTE JV3122'623 PROJ-- 0623-053-109 IN LINE OF NEW FENCE ALONG RELOCATED JV3122'PRIVATE ROAD LEADING WEST INTO A FIELD, SET IN TOP OF A JV3122'CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV6447 *********************************************************************** JV6447 DESIGNATION - F 252 RESET JV6447 PID - JV6447 JV6447 STATE/COUNTY- VA/LOUDOUN JV6447 USGS QUAD - WATERFORD (1984) JV6447 JV6447 *CURRENT SURVEY CONTROL JV6447 ___________________________________________________________________ JV6447* NAD 83(1986)- 39 12 24. (N) 077 34 37. (W) SCALED JV6447* NAVD 88 - 163.96 (meters) 537.9 (feet) RESET JV6447 ___________________________________________________________________ JV6447 GEOID HEIGHT- -32.62 (meters) GEOID99 JV6447 JV6447 VERT ORDER - THIRD JV6447 JV6447.The horizontal coordinates were scaled from a topographic map and have JV6447.an estimated accuracy of +/- 6 seconds. JV6447 JV6447.The orthometric height was computed from unverified reset data. JV6447.No vertical observational check was made to the station. JV6447 JV6447.The geoid height was determined by GEOID99. JV6447 JV6447; North East Units Estimated Accuracy JV6447;SPC VA N - 2,171,350. 3,579,730. MT (+/- 180 meters Scaled) JV6447 JV6447 SUPERSEDED SURVEY CONTROL JV6447 JV6447 NGVD 29 - 164.18 (m) 538.6 (f) RESET 3 JV6447 JV6447.Superseded values are not recommended for survey control. JV6447.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6447.See file dsdata.txt to determine how the superseded data were derived. JV6447 JV6447_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ774428(NAD 83) JV6447_MARKER: DB = BENCH MARK DISK JV6447_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV6447_STAMPING: F 252 RESET 1987 JV6447_MARK LOGO: VADHT JV6447_PROJECTION: FLUSH JV6447_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6447+STABILITY: SURFACE MOTION JV6447 JV6447 HISTORY - Date Condition Report By JV6447 HISTORY - 1987 MONUMENTED VADHT JV6447 JV6447 STATION DESCRIPTION JV6447 JV6447'DESCRIBED BY VA DEPT HWYS-TRANSP 1987 JV6447'4.5 KM (2.80 MI) WEST FROM LUCKETTS. JV6447'2.8 MILES WEST ALONG STATE SECONDARY ROUTE 662 FROM THE POST OFFICE IN JV6447'LUCKETTS, ON THE EAST SLOPE OF A HILL, 82 FEET WEST OF A TWIN 48 INCH JV6447'PIPE UNDER THE ROAD, 30 FEET SOUTH OF THE CENTERLINE OF THE ROAD 2 JV6447'FEET EAST OF A FENCE LINE. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 HV8823 *********************************************************************** HV8823 DESIGNATION - F 365 RESET HV8823 PID - HV8823 HV8823 STATE/COUNTY- VA/LOUDOUN HV8823 USGS QUAD - HERNDON (1994) HV8823 HV8823 *CURRENT SURVEY CONTROL HV8823 ___________________________________________________________________ HV8823* NAD 83(1986)- 38 59 05. (N) 077 25 22. (W) SCALED HV8823* NAVD 88 - 95.67 (meters) 313.9 (feet) RESET HV8823 ___________________________________________________________________ HV8823 GEOID HEIGHT- -31.89 (meters) GEOID99 HV8823 HV8823 VERT ORDER - THIRD HV8823 HV8823.The horizontal coordinates were scaled from a topographic map and have HV8823.an estimated accuracy of +/- 6 seconds. HV8823 HV8823.The orthometric height was computed from unverified reset data. HV8823.No vertical observational check was made to the station. HV8823 HV8823.The geoid height was determined by GEOID99. HV8823 HV8823; North East Units Estimated Accuracy HV8823;SPC VA N - 2,146,850. 3,593,330. MT (+/- 180 meters Scaled) HV8823 HV8823 SUPERSEDED SURVEY CONTROL HV8823 HV8823 NGVD 29 - 95.89 (m) 314.6 (f) RESET 3 HV8823 HV8823.Superseded values are not recommended for survey control. HV8823.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8823.See file dsdata.txt to determine how the superseded data were derived. HV8823 HV8823_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ901178(NAD 83) HV8823_MARKER: DB = BENCH MARK DISK HV8823_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV8823_STAMPING: F 365 RESET 1987 HV8823_MARK LOGO: VADHT HV8823_PROJECTION: FLUSH HV8823_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV8823+STABILITY: SURFACE MOTION HV8823 HV8823 HISTORY - Date Condition Report By HV8823 HISTORY - 1987 MONUMENTED VADHT HV8823 HV8823 STATION DESCRIPTION HV8823 HV8823'DESCRIBED BY VA DEPT HWYS-TRANSP 1987 HV8823'4.7 KM (2.90 MI) NW FROM HERNDON. HV8823'0.55 MILE WEST ALONG ELDEN ST. (SECONDARY STATE HWY. 657), FROM THE HV8823'POST OFFICE IN HERNDON, THENCE 1.85 MILES WEST ALONG SECONDARY STATE HV8823'HWY 606, THENCE 0.5 MILE NORTH ALONG SECONDARY STATE HWY 636 TO THE HV8823'INTERSECTION OF RTE. 636 AND INTERNATIONAL DRIVE, ON THE NORTHEAST HV8823'CORNER OF INTERSECTION, 45 FEET FROM THE CENTERLINE OF RTE. 636, 45 HV8823'FEET FROM THE CENTERLINE OF INTERNATIONAL DRIVE AND 28 1/2 FEET WEST HV8823'OF C AND P TELEPHONE POLE 16. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3016 *********************************************************************** JV3016 DESIGNATION - G 228 RESET 1950 JV3016 PID - JV3016 JV3016 STATE/COUNTY- VA/LOUDOUN JV3016 USGS QUAD - LEESBURG (1994) JV3016 JV3016 *CURRENT SURVEY CONTROL JV3016 ___________________________________________________________________ JV3016* NAD 83(1986)- 39 03 47. (N) 077 36 52. (W) SCALED JV3016* NAVD 88 - 144.26 (meters) 473.3 (feet) RESET JV3016 ___________________________________________________________________ JV3016 GEOID HEIGHT- -32.36 (meters) GEOID99 JV3016 JV3016 VERT ORDER - THIRD JV3016 JV3016.The horizontal coordinates were scaled from a topographic map and have JV3016.an estimated accuracy of +/- 6 seconds. JV3016 JV3016.The orthometric height was computed from unverified reset data. JV3016.No vertical observational check was made to the station. JV3016 JV3016.The geoid height was determined by GEOID99. JV3016 JV3016; North East Units Estimated Accuracy JV3016;SPC VA N - 2,155,370. 3,576,640. MT (+/- 180 meters Scaled) JV3016 JV3016 SUPERSEDED SURVEY CONTROL JV3016 JV3016 NGVD 29 - 144.47 (m) 474.0 (f) RESET 3 JV3016 JV3016.Superseded values are not recommended for survey control. JV3016.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3016.See file dsdata.txt to determine how the superseded data were derived. JV3016 JV3016_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ737270(NAD 83) JV3016_MARKER: DB = BENCH MARK DISK JV3016_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV3016_STAMPING: G 228 RESET 1950 JV3016_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV3016+STABILITY: SURFACE MOTION JV3016 JV3016 HISTORY - Date Condition Report By JV3016 HISTORY - 1953 MONUMENTED VADH JV3016 JV3016 STATION DESCRIPTION JV3016 JV3016'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1953 JV3016'4.5 MI S FROM LEESBURG. JV3016'4.5 MILES SOUTH ALONG U.S. HIGHWAY 15 FROM THE POST OFFICE AT JV3016'LEESBURG, LOUDOUN COUNTY, AT THE JUNCTION OF A FARM ROAD LEADING JV3016'TO A LARGE WHITE FARMHOUSE, 60 FEET SOUTH OF THE CENTERLINE OF THE JV3016'ROAD, AT A CULVERT, AND 53 FEET EAST OF THE CENTERLINE OF THE JV3016'HIGHWAY. A STANDARD DISK, STAMPED G 228 RESET 1950 AND SET IN THE JV3016'TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3020 *********************************************************************** JV3020 DESIGNATION - H 228 RESET 1950 JV3020 PID - JV3020 JV3020 STATE/COUNTY- VA/LOUDOUN JV3020 USGS QUAD - LEESBURG (1994) JV3020 JV3020 *CURRENT SURVEY CONTROL JV3020 ___________________________________________________________________ JV3020* NAD 83(1986)- 39 05 04. (N) 077 35 39. (W) SCALED JV3020* NAVD 88 - 125.59 (meters) 412.0 (feet) RESET JV3020 ___________________________________________________________________ JV3020 GEOID HEIGHT- -32.37 (meters) GEOID99 JV3020 JV3020 VERT ORDER - THIRD JV3020 JV3020.The horizontal coordinates were scaled from a topographic map and have JV3020.an estimated accuracy of +/- 6 seconds. JV3020 JV3020.The orthometric height was computed from unverified reset data. JV3020.No vertical observational check was made to the station. JV3020 JV3020.The geoid height was determined by GEOID99. JV3020 JV3020; North East Units Estimated Accuracy JV3020;SPC VA N - 2,157,760. 3,578,370. MT (+/- 180 meters Scaled) JV3020 JV3020 SUPERSEDED SURVEY CONTROL JV3020 JV3020 NGVD 29 - 125.81 (m) 412.8 (f) RESET 3 JV3020 JV3020.Superseded values are not recommended for survey control. JV3020.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3020.See file dsdata.txt to determine how the superseded data were derived. JV3020 JV3020_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ756293(NAD 83) JV3020_MARKER: DB = BENCH MARK DISK JV3020_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV3020_STAMPING: H 228 RESET 1950 JV3020_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV3020+STABILITY: SURFACE MOTION JV3020 JV3020 HISTORY - Date Condition Report By JV3020 HISTORY - 1952 MONUMENTED VADH JV3020 JV3020 STATION DESCRIPTION JV3020 JV3020'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1952 JV3020'2.5 MI S FROM LEESBURG. JV3020'2.5 MILES SOUTH ALONG U.S. HIGHWAY 15 FROM THE COURTHOUSE AT JV3020'LEESBURG, LOUDOUN COUNTY, AT THE JUNCTION OF A FARM DRIVE LEADING JV3020'SOUTH, 13 FEET EAST OF THE PROLONGATION OF THE CENTERLINE OF THE JV3020'DRIVE, AND 53 FEET NORTH OF THE CENTERLINE OF THE HIGHWAY. A JV3020'STANDARD DISK, STAMPED H 228 RESET 1950 AND SET IN THE TOP OF A JV3020'CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV6449 *********************************************************************** JV6449 DESIGNATION - J 90 RESET JV6449 PID - JV6449 JV6449 STATE/COUNTY- VA/LOUDOUN JV6449 USGS QUAD - ROUND HILL (1981) JV6449 JV6449 *CURRENT SURVEY CONTROL JV6449 ___________________________________________________________________ JV6449* NAD 83(1986)- 39 08 06. (N) 077 45 32. (W) SCALED JV6449* NAVD 88 - 155.15 (meters) 509.0 (feet) RESET JV6449 ___________________________________________________________________ JV6449 GEOID HEIGHT- -32.95 (meters) GEOID99 JV6449 JV6449 VERT ORDER - THIRD JV6449 JV6449.The horizontal coordinates were scaled from a topographic map and have JV6449.an estimated accuracy of +/- 6 seconds. JV6449 JV6449.The orthometric height was computed from unverified reset data. JV6449.No vertical observational check was made to the station. JV6449 JV6449.The geoid height was determined by GEOID99. JV6449 JV6449; North East Units Estimated Accuracy JV6449;SPC VA N - 2,163,250. 3,564,080. MT (+/- 180 meters Scaled) JV6449 JV6449 SUPERSEDED SURVEY CONTROL JV6449 JV6449 NGVD 29 - 155.37 (m) 509.7 (f) RESET 3 JV6449 JV6449.Superseded values are not recommended for survey control. JV6449.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6449.See file dsdata.txt to determine how the superseded data were derived. JV6449 JV6449_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ615353(NAD 83) JV6449_MARKER: DB = BENCH MARK DISK JV6449_SETTING: 32 = HEADWALL JV6449_STAMPING: J 90 RESET 1985 JV6449_MARK LOGO: VADHT JV6449_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6449+STABILITY: SURFACE MOTION JV6449 JV6449 HISTORY - Date Condition Report By JV6449 HISTORY - 1985 MONUMENTED VADHT JV6449 JV6449 STATION DESCRIPTION JV6449 JV6449'DESCRIBED BY VA DEPT HWYS-TRANSP 1985 JV6449'19.0 KM (11.80 MI) WEST FROM LEESBURG. JV6449'11.8 MILES WEST ALONG STATE HIGHWAY 7 FROM THE POST OFFICE LEESBURG, JV6449'ABOUT 0.4 MILES EAST OF ROUND HILL, AT THE SOUTH END OF A LARGE JV6449'CONCRETE BOX CULVERT, 45 FT SOUTH OF THE CENTERLINE OF THE EAST BOUND JV6449'LANE OF HIGHWAY 7, IN THE EAST END OF THE HEADWALL. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 HV3503 *********************************************************************** HV3503 CBN - This is a Cooperative Base Network Control Station. HV3503 DESIGNATION - J 91 HV3503 PID - HV3503 HV3503 STATE/COUNTY- VA/LOUDOUN HV3503 USGS QUAD - MIDDLEBURG (1981) HV3503 HV3503 *CURRENT SURVEY CONTROL HV3503 ___________________________________________________________________ HV3503* NAD 83(1993)- 38 58 29.39910(N) 077 41 26.89198(W) ADJUSTED HV3503* NAVD 88 - 141.991 (meters) 465.85 (feet) ADJUSTED HV3503 ___________________________________________________________________ HV3503 X - 1,058,510.807 (meters) COMP HV3503 Y - -4,851,027.813 (meters) COMP HV3503 Z - 3,990,214.258 (meters) COMP HV3503 LAPLACE CORR- 6.01 (seconds) DEFLEC99 HV3503 ELLIP HEIGHT- 109.54 (meters) (08/14/01) GPS OBS HV3503 GEOID HEIGHT- -32.38 (meters) GEOID99 HV3503 DYNAMIC HT - 141.909 (meters) 465.58 (feet) COMP HV3503 MODELED GRAV- 980,051.0 (mgal) NAVD 88 HV3503 HV3503 HORZ ORDER - A HV3503 VERT ORDER - SECOND CLASS 0 HV3503 ELLP ORDER - FOURTH CLASS I HV3503 HV3503.The horizontal coordinates were established by GPS observations HV3503.and adjusted by the National Geodetic Survey in August 2001. HV3503 HV3503.The orthometric height was determined by differential leveling HV3503.and adjusted by the National Geodetic Survey in June 1991. HV3503 HV3503.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV3503 HV3503.The Laplace correction was computed from DEFLEC99 derived deflections. HV3503 HV3503.The ellipsoidal height was determined by GPS observations HV3503.and is referenced to NAD 83. HV3503 HV3503.The geoid height was determined by GEOID99. HV3503 HV3503.The dynamic height is computed by dividing the NAVD 88 HV3503.geopotential number by the normal gravity value computed on the HV3503.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV3503.degrees latitude (g = 980.6199 gals.). HV3503 HV3503.The modeled gravity was interpolated from observed gravity values. HV3503 HV3503; North East Units Scale Converg. HV3503;SPC VA N - 2,145,516.435 3,570,119.457 MT 0.99996779 +0 30 18.1 HV3503;UTM 18 - 4,317,427.995 266,898.027 MT 1.00026913 -1 41 35.6 HV3503 HV3503 SUPERSEDED SURVEY CONTROL HV3503 HV3503 NAD 83(1993)- 38 58 29.39926(N) 077 41 26.89169(W) AD( ) 1 HV3503 ELLIP HT - 109.56 (m) (04/23/01) GP( ) 4 1 HV3503 NGVD 29 - 142.190 (m) 466.50 (f) ADJUSTED 2 0 HV3503 HV3503.Superseded values are not recommended for survey control. HV3503.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3503.See file dsdata.txt to determine how the superseded data were derived. HV3503 HV3503_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ6689817428(NAD 83) HV3503_MARKER: DB = BENCH MARK DISK HV3503_SETTING: 66 = SET IN ROCK OUTCROP HV3503_STAMPING: J 91 1935 HV3503_MARK LOGO: CGS HV3503_MAGNETIC: O = OTHER; SEE DESCRIPTION HV3503_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD HV3503+STABILITY: POSITION/ELEVATION WELL HV3503_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR HV3503+SATELLITE: SATELLITE OBSERVATIONS - April 22, 2003 HV3503 HV3503 HISTORY - Date Condition Report By HV3503 HISTORY - 1935 MONUMENTED CGS HV3503 HISTORY - 1943 GOOD CGS HV3503 HISTORY - 20000223 GOOD VADHT HV3503 HISTORY - 20000315 GOOD VADOT HV3503 HISTORY - 20020214 GOOD DEWDAV HV3503 HISTORY - 20030422 GOOD BOWMAN HV3503 HV3503 STATION DESCRIPTION HV3503 HV3503'DESCRIBED BY COAST AND GEODETIC SURVEY 1935 HV3503'2.4 MI E FROM MIDDLEBURG. HV3503'ABOUT 2.4 MILES EAST ALONG U.S. HIGHWAY 50 FROM THE NATIONAL HV3503'BANK AT MIDDLEBURG, LOUDOUN COUNTY, ABOUT 250 FEET WEST OF A HV3503'SIDE ROAD LEADING TO A LARGE YELLOW HOUSE, ABOUT 125 FEET EAST OF HV3503'A CONCRETE WATERING TROUGH IN A FIELD, 39.0 FEET SOUTH OF THE HV3503'CENTER LINE OF THE HIGHWAY, 18.5 FEET SOUTH OF A ROCK FENCE, HV3503'IN THE TOP OF A ROCK OUTCROP, 20.8 FEET SOUTH OF A WHITE WOODEN HV3503'POST STENCILED U.S.B.M., AND ABOUT 1/2 FOOT ABOVE GROUND. A HV3503'STANDARD DISK, STAMPED J 91 1935. HV3503 HV3503 STATION RECOVERY (1943) HV3503 HV3503'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1943 HV3503'RECOVERED IN GOOD CONDITION. HV3503 HV3503 STATION RECOVERY (2000) HV3503 HV3503'RECOVERY NOTE BY VA DEPT HWYS-TRANSP 2000 (MWZ) HV3503'RECOVERED AS DESCRIBED. HV3503' HV3503 HV3503 STATION RECOVERY (2000) HV3503 HV3503'RECOVERY NOTE BY VIRGINIA DEPARTMENT OF TRANSPORTATION 2000 (RB) HV3503'RECOVERED AS DESCRIBED. HV3503 HV3503 STATION RECOVERY (2002) HV3503 HV3503'RECOVERY NOTE BY DEWBERRY DAVIS 2002 (CSW) HV3503'STATION AT THE 'OLD OAK FARM' - 38011 JOHN MOSBY HIGHWAY (US ROUTE HV3503'50). HV3503 HV3503 STATION RECOVERY (2003) HV3503 HV3503'RECOVERY NOTE BY BOWMAN CONSULTING GROUP 2003 HV3503'RECOVERED AS DESCRIBED 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV6892 *********************************************************************** JV6892 DESIGNATION - L 229 RESET JV6892 PID - JV6892 JV6892 STATE/COUNTY- VA/LOUDOUN JV6892 USGS QUAD - STERLING (1994) JV6892 JV6892 *CURRENT SURVEY CONTROL JV6892 ___________________________________________________________________ JV6892* NAD 83(1986)- 39 00 25. (N) 077 26 36. (W) SCALED JV6892* NAVD 88 - 76.31 (meters) 250.4 (feet) RESET JV6892 ___________________________________________________________________ JV6892 GEOID HEIGHT- -31.95 (meters) GEOID99 JV6892 JV6892 VERT ORDER - THIRD JV6892 JV6892.The horizontal coordinates were scaled from a topographic map and have JV6892.an estimated accuracy of +/- 6 seconds. JV6892 JV6892.The orthometric height was computed from unverified reset data. JV6892.No vertical observational check was made to the station. JV6892 JV6892.The geoid height was determined by GEOID99. JV6892 JV6892; North East Units Estimated Accuracy JV6892;SPC VA N - 2,149,300. 3,591,520. MT (+/- 180 meters Scaled) JV6892 JV6892 SUPERSEDED SURVEY CONTROL JV6892 JV6892 NGVD 29 - 76.53 (m) 251.1 (f) RESET 3 JV6892 JV6892.Superseded values are not recommended for survey control. JV6892.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6892.See file dsdata.txt to determine how the superseded data were derived. JV6892 JV6892_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ884203(NAD 83) JV6892_MARKER: DB = BENCH MARK DISK JV6892_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV6892_STAMPING: L 229 1941 RESET 1990 JV6892_MARK LOGO: NGS JV6892_MAGNETIC: N = NO MAGNETIC MATERIAL JV6892_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6892+STABILITY: SURFACE MOTION JV6892 JV6892 HISTORY - Date Condition Report By JV6892 HISTORY - 1990 MONUMENTED VADHT JV6892 JV6892 STATION DESCRIPTION JV6892 JV6892'DESCRIBED BY VA DEPT HWYS-TRANSP 1990 JV6892'1.0 MILES WEST ALONG STATE HIGHWAY 625 FROM THE SCHOOLHOUSE IN JV6892'STERLING, 315 FEET NORTHEAST OF THE CENTERLINE OF THE WEST BOUND LANE JV6892'OF ROUTE 625, AT THE CENTERLINE OF A RAISED GRASS MEDIAN, AND 8 FEET JV6892'SOUTHEAST OF THE CENTERLINE OF PACIFIC BOULEVARD, MARK IS FLUSH WITH JV6892'THE GROUND. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3042 *********************************************************************** JV3042 DESIGNATION - M 90 RESET 1970 JV3042 PID - JV3042 JV3042 STATE/COUNTY- VA/LOUDOUN JV3042 USGS QUAD - BLUEMONT (1981) JV3042 JV3042 *CURRENT SURVEY CONTROL JV3042 ___________________________________________________________________ JV3042* NAD 83(1986)- 39 06 51. (N) 077 50 07. (W) SCALED JV3042* NAVD 88 - 273.10 (meters) 896.0 (feet) RESET JV3042 ___________________________________________________________________ JV3042 GEOID HEIGHT- -33.08 (meters) GEOID99 JV3042 JV3042 VERT ORDER - THIRD JV3042 JV3042.The horizontal coordinates were scaled from a topographic map and have JV3042.an estimated accuracy of +/- 6 seconds. JV3042 JV3042.The orthometric height was computed from unverified reset data. JV3042.No vertical observational check was made to the station. JV3042 JV3042.The geoid height was determined by GEOID99. JV3042 JV3042; North East Units Estimated Accuracy JV3042;SPC VA N - 2,160,880. 3,557,490. MT (+/- 180 meters Scaled) JV3042 JV3042 SUPERSEDED SURVEY CONTROL JV3042 JV3042 NGVD 29 - 273.31 (m) 896.7 (f) RESET 3 JV3042 JV3042.Superseded values are not recommended for survey control. JV3042.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3042.See file dsdata.txt to determine how the superseded data were derived. JV3042 JV3042_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ548332(NAD 83) JV3042_MARKER: DB = BENCH MARK DISK JV3042_SETTING: 0 = UNSPECIFIED SETTING JV3042_STAMPING: M 90 RESET 1970 JV3042_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY JV3042 JV3042 HISTORY - Date Condition Report By JV3042 HISTORY - 1970 MONUMENTED VADH JV3042 JV3042 STATION DESCRIPTION JV3042 JV3042'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1970 JV3042'9.2 MI E FROM BERRYVILLE. JV3042'IN LOUNDON COUNTY, 9.2 MILES EAST ALONG STATE HIGHWAY 7 FROM THE JV3042'HIGH SCHOOL AT BERRYVILLE, CLARKE COUNTY, 0.2 MILE WEST OF THE JV3042'JUNCTION OF A ROAD LEADING TO BLUEMONT, AND 392.8 FEET, N 76 JV3042'DEGREES 16 MINUTES WEST OF STATION 433+89 W.B/L/ ROUTE 7 LEADING JV3042'TO BERRYVILLE. A STANDARD DISK STAMPED M 90 RESET 1970. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 HV3487 *********************************************************************** HV3487 DESIGNATION - P 228 RESET 1973 HV3487 PID - HV3487 HV3487 STATE/COUNTY- VA/LOUDOUN HV3487 USGS QUAD - ARCOLA (1981) HV3487 HV3487 *CURRENT SURVEY CONTROL HV3487 ___________________________________________________________________ HV3487* NAD 83(1986)- 38 56 17. (N) 077 32 29. (W) SCALED HV3487* NAVD 88 - 101.72 (meters) 333.7 (feet) RESET HV3487 ___________________________________________________________________ HV3487 GEOID HEIGHT- -32.05 (meters) GEOID99 HV3487 HV3487 VERT ORDER - THIRD HV3487 HV3487.The horizontal coordinates were scaled from a topographic map and have HV3487.an estimated accuracy of +/- 6 seconds. HV3487 HV3487.The orthometric height was computed from unverified reset data. HV3487.No vertical observational check was made to the station. HV3487 HV3487.The geoid height was determined by GEOID99. HV3487 HV3487; North East Units Estimated Accuracy HV3487;SPC VA N - 2,141,560. 3,583,110. MT (+/- 180 meters Scaled) HV3487 HV3487 SUPERSEDED SURVEY CONTROL HV3487 HV3487 NGVD 29 - 101.94 (m) 334.4 (f) RESET 3 HV3487 HV3487.Superseded values are not recommended for survey control. HV3487.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3487.See file dsdata.txt to determine how the superseded data were derived. HV3487 HV3487_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ797129(NAD 83) HV3487_MARKER: DB = BENCH MARK DISK HV3487_SETTING: 30 = MONUMENT HV3487_STAMPING: P 228 RESET 1973 HV3487_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV3487_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV3487+SATELLITE: SATELLITE OBSERVATIONS - August 22, 2002 HV3487 HV3487 HISTORY - Date Condition Report By HV3487 HISTORY - 1973 MONUMENTED NGS HV3487 HISTORY - 20020822 GOOD DEWDAV HV3487 HV3487 STATION DESCRIPTION HV3487 HV3487'DESCRIBED BY NATIONAL GEODETIC SURVEY 1973 HV3487'5.7 MI SE FROM ALDIE. HV3487'ABOUT 5.7 MILES SOUTHEAST ALONG U.S. HIGHWAY 50 FROM THE POST HV3487'OFFICE AT ALDIE, AT THE JUNCTION OF SECONDARY STATE HIGHWAY HV3487'659, 149 FEET NORTHWEST OF THE CENTERLINE OF SECONDARY STATE HV3487'HIGHWAY 659, 34 FEET SOUTHWEST OF THE CENTERLINE OF U.S. HIGHWAY HV3487'50, 21 FEET SOUTHEAST OF UTILITY POLE B 74, AND 1.0 FOOT SOUTHEAST HV3487'OF STEEL WITNESS POST. A STANDARD DISK SET FLUSH IN THE HV3487'TOP OF A CONCRETE MONUMENT ABOUT 10 INCHES IN DIAMETER AND HV3487'PROJECTING ABOUT 2 INCHES. BENCH MARK P 228 1941 WAS DESTROYED HV3487'AT THIS TIME. HV3487 HV3487 STATION RECOVERY (2002) HV3487 HV3487'RECOVERY NOTE BY DEWBERRY DAVIS 2002 (KEC) HV3487'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV6448 *********************************************************************** JV6448 DESIGNATION - P 91 RESET JV6448 PID - JV6448 JV6448 STATE/COUNTY- VA/LOUDOUN JV6448 USGS QUAD - LEESBURG (1994) JV6448 JV6448 *CURRENT SURVEY CONTROL JV6448 ___________________________________________________________________ JV6448* NAD 83(1986)- 39 01 36. (N) 077 37 17. (W) SCALED JV6448* NAVD 88 - 86.05 (meters) 282.3 (feet) RESET JV6448 ___________________________________________________________________ JV6448 GEOID HEIGHT- -32.31 (meters) GEOID99 JV6448 JV6448 VERT ORDER - THIRD JV6448 JV6448.The horizontal coordinates were scaled from a topographic map and have JV6448.an estimated accuracy of +/- 6 seconds. JV6448 JV6448.The orthometric height was computed from unverified reset data. JV6448.No vertical observational check was made to the station. JV6448 JV6448.The geoid height was determined by GEOID99. JV6448 JV6448; North East Units Estimated Accuracy JV6448;SPC VA N - 2,151,330. 3,576,080. MT (+/- 180 meters Scaled) JV6448 JV6448 SUPERSEDED SURVEY CONTROL JV6448 JV6448 NGVD 29 - 86.26 (m) 283.0 (f) RESET 3 JV6448 JV6448.Superseded values are not recommended for survey control. JV6448.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6448.See file dsdata.txt to determine how the superseded data were derived. JV6448 JV6448_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ730230(NAD 83) JV6448_MARKER: DB = BENCH MARK DISK JV6448_SETTING: 38 = BRIDGE JV6448_STAMPING: P 91 RESET 1985 JV6448_MARK LOGO: VADHT JV6448_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL JV6448 JV6448 HISTORY - Date Condition Report By JV6448 HISTORY - 1985 MONUMENTED VADHT JV6448 JV6448 STATION DESCRIPTION JV6448 JV6448'DESCRIBED BY VA DEPT HWYS-TRANSP 1985 JV6448'11.6 KM (7.20 MI) SOUTH FROM LEESBURG. JV6448'7.2 MILES SOUTH ALONG U.S. HIGHWAY 15 FROM THE POST OFFICE LEESBURG AT JV6448'A CONCRETE BRIDGE OVER GOOSE CREEK, IN THE BRIDGE FLOOR AT THE JV6448'SOUTHEAST CORNER OF BRIDGE, 20.8 FEET EAST OF THE CENTERLINE OF THE JV6448'HIGHWAY. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 HV3489 *********************************************************************** HV3489 DESIGNATION - Q 228 RESET 1953 HV3489 PID - HV3489 HV3489 STATE/COUNTY- VA/LOUDOUN HV3489 USGS QUAD - ARCOLA (1981) HV3489 HV3489 *CURRENT SURVEY CONTROL HV3489 ___________________________________________________________________ HV3489* NAD 83(1986)- 38 55 50. (N) 077 31 20. (W) SCALED HV3489* NAVD 88 - 102.58 (meters) 336.5 (feet) RESET HV3489 ___________________________________________________________________ HV3489 GEOID HEIGHT- -32.01 (meters) GEOID99 HV3489 HV3489 VERT ORDER - THIRD HV3489 HV3489.The horizontal coordinates were scaled from a topographic map and have HV3489.an estimated accuracy of +/- 6 seconds. HV3489 HV3489.The orthometric height was computed from unverified reset data. HV3489.No vertical observational check was made to the station. HV3489 HV3489.The geoid height was determined by GEOID99. HV3489 HV3489; North East Units Estimated Accuracy HV3489;SPC VA N - 2,140,740. 3,584,780. MT (+/- 180 meters Scaled) HV3489 HV3489 SUPERSEDED SURVEY CONTROL HV3489 HV3489 NGVD 29 - 100.70 (m) 330.4 (f) RESET 3 HV3489 HV3489.Superseded values are not recommended for survey control. HV3489.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV3489.See file dsdata.txt to determine how the superseded data were derived. HV3489 HV3489_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ813120(NAD 83) HV3489_MARKER: DB = BENCH MARK DISK HV3489_SETTING: 66 = SET IN ROCK OUTCROP HV3489_STAMPING: Q 228 RESET 1953 HV3489_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD HV3489+STABILITY: POSITION/ELEVATION WELL HV3489 HV3489 HISTORY - Date Condition Report By HV3489 HISTORY - 1953 MONUMENTED CGS HV3489 HISTORY - 1984 MARK NOT FOUND USPSQD HV3489 HV3489 STATION DESCRIPTION HV3489 HV3489'DESCRIBED BY COAST AND GEODETIC SURVEY 1953 HV3489'6.7 MI SE FROM ALDIE. HV3489'6.7 MILES SOUTHEAST ALONG U.S. HIGHWAY 50 FROM ALDIE, LOUDOUN HV3489'COUNTY, NEAR THE FOOT OF A SMALL HILL, 39 PACES SOUTHEAST OF HV3489'V.P.S. CO. POLE BA 142, ACROSS THE HIGHWAY FROM TELEPHONE HV3489'CABLE POLE 90, AT THE SOUTH END OF A ROCK OUTCROP, 32.5 FEET HV3489'NORTHEAST OF THE CENTERLINE OF THE HIGHWAY, 33 FEET NORTHWEST HV3489'OF THE CENTERLINE OF AN ENTRANCE ROAD TO A FIELD, 3 FEET HV3489'NORTHEAST OF THE RIGHT-OF-WAY FENCE, IN THE TOP OF A ROCK HV3489'OUTCROP, AND ON THE GRADE OF THE SURROUNDING GROUND. HV3489 HV3489 STATION RECOVERY (1984) HV3489 HV3489'RECOVERY NOTE BY US POWER SQUADRON 1984 HV3489'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3064 *********************************************************************** JV3064 DESIGNATION - Q 255 RESET 1951 JV3064 PID - JV3064 JV3064 STATE/COUNTY- VA/LOUDOUN JV3064 USGS QUAD - HARPERS FERRY (1988) JV3064 JV3064 *CURRENT SURVEY CONTROL JV3064 ___________________________________________________________________ JV3064* NAD 83(1986)- 39 15 36. (N) 077 38 39. (W) SCALED JV3064* NAVD 88 - 148.15 (meters) 486.1 (feet) RESET JV3064 ___________________________________________________________________ JV3064 GEOID HEIGHT- -32.95 (meters) GEOID99 JV3064 JV3064 VERT ORDER - THIRD JV3064 JV3064.The horizontal coordinates were scaled from a topographic map and have JV3064.an estimated accuracy of +/- 6 seconds. JV3064 JV3064.The orthometric height was computed from unverified reset data. JV3064.No vertical observational check was made to the station. JV3064 JV3064.The geoid height was determined by GEOID99. JV3064 JV3064; North East Units Estimated Accuracy JV3064;SPC VA N - 2,177,210. 3,573,870. MT (+/- 180 meters Scaled) JV3064 JV3064 SUPERSEDED SURVEY CONTROL JV3064 JV3064 NGVD 29 - 148.36 (m) 486.7 (f) RESET 3 JV3064 JV3064.Superseded values are not recommended for survey control. JV3064.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3064.See file dsdata.txt to determine how the superseded data were derived. JV3064 JV3064_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ718489(NAD 83) JV3064_MARKER: DB = BENCH MARK DISK JV3064_SETTING: 30 = CULVERT WINGWALL JV3064_STAMPING: Q 255 RESET 1951 JV3064_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY JV3064 JV3064 HISTORY - Date Condition Report By JV3064 HISTORY - 1951 MONUMENTED VADH JV3064 JV3064 STATION DESCRIPTION JV3064 JV3064'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1951 JV3064'4.2 MI S FROM BRUNSWICK. JV3064'IN LOUDOUN COUNTY VA., 4.2 MILES SOUTH ALONG STATE HIGHWAY 287 JV3064'FROM THE BALTIMORE AND OHIO RAILROAD STATION AT BRUNSWICK, JV3064'FREDERICK COUNTY, MARYLAND, 163 FEET SOUTH OF A TWO-STORY JV3064'FARMHOUSE, AT A CONCRETE CULVERT, IN THE TOP OF THE SOUTHWEST JV3064'WING WALL, AND 17 FEET SOUTHWEST OF THE CENTER LINE OF THE JV3064'HIGHWAY. A STANDARD DISK, STAMPED Q 255 RESET 1951. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV4060 *********************************************************************** JV4060 DESIGNATION - S 229 RESET 1947 JV4060 PID - JV4060 JV4060 STATE/COUNTY- VA/LOUDOUN JV4060 USGS QUAD - STERLING (1994) JV4060 JV4060 *CURRENT SURVEY CONTROL JV4060 ___________________________________________________________________ JV4060* NAD 83(1986)- 39 04 14. (N) 077 28 47. (W) SCALED JV4060* NAVD 88 - 99.52 (meters) 326.5 (feet) RESET JV4060 ___________________________________________________________________ JV4060 GEOID HEIGHT- -32.13 (meters) GEOID99 JV4060 JV4060 VERT ORDER - THIRD JV4060 JV4060.The horizontal coordinates were scaled from a topographic map and have JV4060.an estimated accuracy of +/- 6 seconds. JV4060 JV4060.The orthometric height was computed from unverified reset data. JV4060.No vertical observational check was made to the station. JV4060 JV4060.The geoid height was determined by GEOID99. JV4060 JV4060; North East Units Estimated Accuracy JV4060;SPC VA N - 2,156,320. 3,588,290. MT (+/- 180 meters Scaled) JV4060 JV4060 SUPERSEDED SURVEY CONTROL JV4060 JV4060 NGVD 29 - 99.74 (m) 327.2 (f) RESET 3 JV4060 JV4060.Superseded values are not recommended for survey control. JV4060.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV4060.See file dsdata.txt to determine how the superseded data were derived. JV4060 JV4060_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ854275(NAD 83) JV4060_MARKER: DB = BENCH MARK DISK JV4060_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV4060_STAMPING: S 229 RESET 1947 JV4060_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV4060+STABILITY: SURFACE MOTION JV4060 JV4060 HISTORY - Date Condition Report By JV4060 HISTORY - 1947 MONUMENTED VADH JV4060 JV4060 STATION DESCRIPTION JV4060 JV4060'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1947 JV4060'5.3 MI SE FROM LEESBURG. JV4060'5.3 MILES SE ALONG STATE HIGHWAY 7 FROM THE POST OFFICE AT LEESBURG JV4060'LOUDOUN CO., AT THE JUNCTION OF STATE SECONDARY HIGHWAY 641, AT JV4060'SURVEY STATION 169+70, 54 FT NE OF THE CENTER LINE OF THE HIGHWAY JV4060'AND NEAR A WHITE WOODEN WITNESS POST. A STANDARD DISK SET IN THE TOP JV4060'OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3022 *********************************************************************** JV3022 DESIGNATION - S 91 RESET 1950 JV3022 PID - JV3022 JV3022 STATE/COUNTY- VA/LOUDOUN JV3022 USGS QUAD - LEESBURG (1994) JV3022 JV3022 *CURRENT SURVEY CONTROL JV3022 ___________________________________________________________________ JV3022* NAD 83(1986)- 39 05 47. (N) 077 34 48. (W) SCALED JV3022* NAVD 88 - 108.87 (meters) 357.2 (feet) RESET JV3022 ___________________________________________________________________ JV3022 GEOID HEIGHT- -32.37 (meters) GEOID99 JV3022 JV3022 VERT ORDER - THIRD JV3022 JV3022.The horizontal coordinates were scaled from a topographic map and have JV3022.an estimated accuracy of +/- 6 seconds. JV3022 JV3022.The orthometric height was computed from unverified reset data. JV3022.No vertical observational check was made to the station. JV3022 JV3022.The geoid height was determined by GEOID99. JV3022 JV3022; North East Units Estimated Accuracy JV3022;SPC VA N - 2,159,100. 3,579,590. MT (+/- 180 meters Scaled) JV3022 JV3022 SUPERSEDED SURVEY CONTROL JV3022 JV3022 NGVD 29 - 109.08 (m) 357.9 (f) RESET 3 JV3022 JV3022.Superseded values are not recommended for survey control. JV3022.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3022.See file dsdata.txt to determine how the superseded data were derived. JV3022 JV3022_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ768306(NAD 83) JV3022_MARKER: DB = BENCH MARK DISK JV3022_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV3022_STAMPING: S 91 RESET 1950 JV3022_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV3022+STABILITY: SURFACE MOTION JV3022 JV3022 HISTORY - Date Condition Report By JV3022 HISTORY - 1950 MONUMENTED CGS JV3022 HISTORY - 1957 GOOD CGS JV3022 JV3022 STATION DESCRIPTION JV3022 JV3022'DESCRIBED BY COAST AND GEODETIC SURVEY 1950 JV3022'2 MI S FROM LEESBURG. JV3022'2.0 MILES SOUTH ALONG U.S. HIGHWAY 15 FROM THE JUNCTION OF JV3022'U.S. HIGHWAY 15 AND STATE HIGHWAY 7, IN LEESBURG, LOUDOUN COUNTY, JV3022'ON THE WEST HIGHWAY RIGHT-OF-WAY, 54.6 FEET NORTHWEST OF THE JV3022'CENTERLINE OF THE HIGHWAY, 41 FEET EAST-AND-SOUTHEAST OF THE JV3022'MOST NORTHERLY BRICK STRUCTURE AT THE ENTRANCE OF THE DRIVEWAY, JV3022'24 FEET NORTHEAST OF THE CENTER OF THE DRIVEWAY, 8 FEET JV3022'NORTHEAST OF THE FENCE CORNER, AND 2 FEET SOUTHEAST OF THE JV3022'RIGHT-OF-WAY FENCE. A STANDARD DISK, STAMPED S 91 RESET 1950 JV3022'AND SET IN A TILE-FILLED WITH CONCRETE, PROJECTING 4 INCHES. JV3022 JV3022 STATION RECOVERY (1957) JV3022 JV3022'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1957 JV3022'RECOVERED IN GOOD CONDITION. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV6904 *********************************************************************** JV6904 DESIGNATION - U 251 RESET JV6904 PID - JV6904 JV6904 STATE/COUNTY- VA/LOUDOUN JV6904 USGS QUAD - WATERFORD (1984) JV6904 JV6904 *CURRENT SURVEY CONTROL JV6904 ___________________________________________________________________ JV6904* NAD 83(1986)- 39 14 07. (N) 077 31 54. (W) SCALED JV6904* NAVD 88 - 86.266 (meters) 283.02 (feet) ADJUSTED JV6904 ___________________________________________________________________ JV6904 GEOID HEIGHT- -32.59 (meters) GEOID99 JV6904 DYNAMIC HT - 86.218 (meters) 282.87 (feet) COMP JV6904 MODELED GRAV- 980,075.2 (mgal) NAVD 88 JV6904 JV6904 VERT ORDER - FIRST CLASS II JV6904 JV6904.The horizontal coordinates were scaled from a topographic map and have JV6904.an estimated accuracy of +/- 6 seconds. JV6904 JV6904.The orthometric height was determined by differential leveling JV6904.and adjusted by the National Geodetic Survey in April 2001. JV6904 JV6904.The geoid height was determined by GEOID99. JV6904 JV6904.The dynamic height is computed by dividing the NAVD 88 JV6904.geopotential number by the normal gravity value computed on the JV6904.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV6904.degrees latitude (g = 980.6199 gals.). JV6904 JV6904.The modeled gravity was interpolated from observed gravity values. JV6904 JV6904; North East Units Estimated Accuracy JV6904;SPC VA N - 2,174,560. 3,583,600. MT (+/- 180 meters Scaled) JV6904 JV6904 SUPERSEDED SURVEY CONTROL JV6904 JV6904 NGVD 29 - 86.48 (m) 283.7 (f) RESET 3 JV6904 JV6904.Superseded values are not recommended for survey control. JV6904.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6904.See file dsdata.txt to determine how the superseded data were derived. JV6904 JV6904_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ814459(NAD 83) JV6904_MARKER: DV = VERTICAL CONTROL DISK JV6904_SETTING: 31 = GUARDRAIL JV6904_STAMPING: U 251 RESET 1991 JV6904_MARK LOGO: NGS JV6904_MAGNETIC: N = NO MAGNETIC MATERIAL JV6904_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY JV6904_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR JV6904+SATELLITE: SATELLITE OBSERVATIONS - March 23, 1995 JV6904 JV6904 HISTORY - Date Condition Report By JV6904 HISTORY - 1991 MONUMENTED VADHT JV6904 HISTORY - 19950323 GOOD NGS JV6904 JV6904 STATION DESCRIPTION JV6904 JV6904'DESCRIBED BY VA DEPT HWYS-TRANSP 1991 JV6904'1.4 MILES (2.3 KM) NORTH ALONG U.S. HIGHWAY 15 FROM THE POST OFFICE IN JV6904'LUCKETTS, ABOUT 165 FEET (50.3 M) SOUTH OF A PRIVATE ROAD LEADING JV6904'WEST, 27 FEET (8.2 M) SOUTH OF VEPCO POLE K218X AT A CONCRETE BRIDGE JV6904'UNDER THE HIGHWAY, AT THE SOUTH END OF THE WALL, 20 FEET (6.1 M) WEST JV6904'OF THE CENTERLINE OF THE HIGHWAY. JV6904 JV6904 STATION RECOVERY (1995) JV6904 JV6904'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1995 (GAS) JV6904'5.4 KM (3.35 MI) SOUTHERLY ALONG U.S. HIGHWAY 15 FROM THE JUNCTION OF JV6904'STATE HIGHWAY 28 IN POINT OF ROCKS, MARYLAND, IN TOP OF AND 1.0 M (3.3 JV6904'FT) NORTH OF THE SOUTH END OF THE WEST CONCRETE GUARDRAIL OF A HIGHWAY JV6904'BRIDGE SPANNING A CREEK, 6.1 M (20.0 FT) WEST OF THE HIGHWAY JV6904'CENTERLINE, AND 1.0 M (3.3 FT) ABOVE THE LEVEL OF THE HIGHWAY. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV6450 *********************************************************************** JV6450 DESIGNATION - V 251 RESET JV6450 PID - JV6450 JV6450 STATE/COUNTY- VA/LOUDOUN JV6450 USGS QUAD - WATERFORD (1984) JV6450 JV6450 *CURRENT SURVEY CONTROL JV6450 ___________________________________________________________________ JV6450* NAD 83(1986)- 39 13 16. (N) 077 32 01. (W) SCALED JV6450* NAVD 88 - 93.227 (meters) 305.86 (feet) ADJUSTED JV6450 ___________________________________________________________________ JV6450 GEOID HEIGHT- -32.56 (meters) GEOID99 JV6450 DYNAMIC HT - 93.176 (meters) 305.69 (feet) COMP JV6450 MODELED GRAV- 980,073.4 (mgal) NAVD 88 JV6450 JV6450 VERT ORDER - FIRST CLASS II JV6450 JV6450.The horizontal coordinates were scaled from a topographic map and have JV6450.an estimated accuracy of +/- 6 seconds. JV6450 JV6450.The orthometric height was determined by differential leveling JV6450.and adjusted by the National Geodetic Survey in April 2001. JV6450 JV6450.The geoid height was determined by GEOID99. JV6450 JV6450.The dynamic height is computed by dividing the NAVD 88 JV6450.geopotential number by the normal gravity value computed on the JV6450.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV6450.degrees latitude (g = 980.6199 gals.). JV6450 JV6450.The modeled gravity was interpolated from observed gravity values. JV6450 JV6450; North East Units Estimated Accuracy JV6450;SPC VA N - 2,172,990. 3,583,450. MT (+/- 180 meters Scaled) JV6450 JV6450 SUPERSEDED SURVEY CONTROL JV6450 JV6450 NGVD 29 - 93.43 (m) 306.5 (f) RESET 3 JV6450 JV6450.Superseded values are not recommended for survey control. JV6450.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV6450.See file dsdata.txt to determine how the superseded data were derived. JV6450 JV6450_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ812443(NAD 83) JV6450_MARKER: DV = VERTICAL CONTROL DISK JV6450_SETTING: 32 = HEADWALL JV6450_STAMPING: V 251 RESET 1986 JV6450_MARK LOGO: NGS JV6450_MAGNETIC: N = NO MAGNETIC MATERIAL JV6450_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV6450+STABILITY: SURFACE MOTION JV6450_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR JV6450+SATELLITE: SATELLITE OBSERVATIONS - March 23, 1995 JV6450 JV6450 HISTORY - Date Condition Report By JV6450 HISTORY - 1986 MONUMENTED VADHT JV6450 HISTORY - 19950323 GOOD NGS JV6450 JV6450 STATION DESCRIPTION JV6450 JV6450'DESCRIBED BY VA DEPT HWYS-TRANSP 1986 JV6450'0.6 KM (0.40 MI) NORTH FROM LUCKETTS. JV6450'0.4 MILE NORTH ALONG U.S. HIGHWAY 15 FROM THE POST OFFICE IN LUCKETTS, JV6450'ABOUT 300 FEET NORTH OF A PRIVATE ROAD LEADING TO A FARM HOUSE AT THE JV6450'TOP OF A HILL, NEAR THE NORTHEAST CORNER OF A PASTURE LOT, AT A JV6450'DOUBLE 10X6 CONCRETE BOX CULVERT, IN THE NORTH END OF THE EAST JV6450'HEADWALL, 35 FEET EAST OF THE CENTERLINE OF THE HIGHWAY. JV6450 JV6450 STATION RECOVERY (1995) JV6450 JV6450'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1995 (GAS) JV6450'7.0 KM (4.35 MI) SOUTHERLY ALONG U.S. HIGHWAY 15 FROM THE JUNCTION OF JV6450'STATE HIGHWAY 28 IN POINT OF ROCKS, MARYLAND, IN TOP OF AND 0.3 M (1.0 JV6450'FT) SOUTH OF THE NORTH END OF THE EAST CONCRETE HEADWALL OF A DOUBLE JV6450'BOX CULVERT UNDER THE HIGHWAY, 10.8 M (35.4 FT) EAST OF THE HIGHWAY JV6450'CENTERLINE, AND 0.5 M (1.6 FT) BELOW THE LEVEL OF THE HIGHWAY. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 HV7975 *********************************************************************** HV7975 DESIGNATION - W 229 RESET 1967 HV7975 PID - HV7975 HV7975 STATE/COUNTY- VA/LOUDOUN HV7975 USGS QUAD - ARCOLA (1981) HV7975 HV7975 *CURRENT SURVEY CONTROL HV7975 ___________________________________________________________________ HV7975* NAD 83(1986)- 38 59 47. (N) 077 31 42. (W) SCALED HV7975* NAVD 88 - 103.88 (meters) 340.8 (feet) RESET HV7975 ___________________________________________________________________ HV7975 GEOID HEIGHT- -32.10 (meters) GEOID99 HV7975 HV7975 VERT ORDER - THIRD HV7975 HV7975.The horizontal coordinates were scaled from a topographic map and have HV7975.an estimated accuracy of +/- 6 seconds. HV7975 HV7975.The orthometric height was computed from unverified reset data. HV7975.No vertical observational check was made to the station. HV7975 HV7975.The geoid height was determined by GEOID99. HV7975 HV7975; North East Units Estimated Accuracy HV7975;SPC VA N - 2,148,050. 3,584,170. MT (+/- 180 meters Scaled) HV7975 HV7975 SUPERSEDED SURVEY CONTROL HV7975 HV7975 NGVD 29 - 104.10 (m) 341.5 (f) RESET 3 HV7975 HV7975.Superseded values are not recommended for survey control. HV7975.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV7975.See file dsdata.txt to determine how the superseded data were derived. HV7975 HV7975_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ810194(NAD 83) HV7975_MARKER: DD = SURVEY DISK HV7975_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV7975_STAMPING: W 229 RESET 1967 HV7975_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV7975+STABILITY: SURFACE MOTION HV7975 HV7975 HISTORY - Date Condition Report By HV7975 HISTORY - 1967 MONUMENTED VADH HV7975 HV7975 STATION DESCRIPTION HV7975 HV7975'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1967 HV7975'3.1 MI N FROM ARCOLA. HV7975'3.1 MILES NORTH ALONG SECONDARY STATE HIGHWAY 659 FROM ARCOLA, HV7975'24 FEET EAST OF THE CENTER LINE OF NEW ROAD, 14 FEET NORTH OF HV7975'CENTER LINE OF STREAM, 1 FOOT WEST OF A FENCE LINE, SET IN THE HV7975'TOP OF A CONCRETE POST PROJECTING 6 INCHES ABOVE THE GROUND. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV2353 *********************************************************************** JV2353 DESIGNATION - W 89 RESET 1941 VADH JV2353 PID - JV2353 JV2353 STATE/COUNTY- VA/LOUDOUN JV2353 USGS QUAD - STERLING (1994) JV2353 JV2353 *CURRENT SURVEY CONTROL JV2353 ___________________________________________________________________ JV2353* NAD 83(1986)- 39 01 31. (N) 077 23 29. (W) SCALED JV2353* NAVD 88 - 106.99 (meters) 351.0 (feet) RESET JV2353 ___________________________________________________________________ JV2353 GEOID HEIGHT- -31.88 (meters) GEOID99 JV2353 JV2353 VERT ORDER - THIRD JV2353 JV2353.The horizontal coordinates were scaled from a topographic map and have JV2353.an estimated accuracy of +/- 6 seconds. JV2353 JV2353.The orthometric height was computed from unverified reset data. JV2353.No vertical observational check was made to the station. JV2353 JV2353.The geoid height was determined by GEOID99. JV2353 JV2353; North East Units Estimated Accuracy JV2353;SPC VA N - 2,151,390. 3,596,000. MT (+/- 180 meters Scaled) JV2353 JV2353 SUPERSEDED SURVEY CONTROL JV2353 JV2353 NGVD 29 - 107.22 (m) 351.8 (f) RESET 3 JV2353 JV2353.Superseded values are not recommended for survey control. JV2353.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV2353.See file dsdata.txt to determine how the superseded data were derived. JV2353 JV2353_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ929223(NAD 83) JV2353_MARKER: DB = BENCH MARK DISK JV2353_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV2353_STAMPING: W 89 RESET 1941 JV2353_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV2353+STABILITY: SURFACE MOTION JV2353 JV2353 HISTORY - Date Condition Report By JV2353 HISTORY - 1941 MONUMENTED VADH JV2353 HISTORY - 1964 GOOD CGS JV2353 JV2353 STATION DESCRIPTION JV2353 JV2353'DESCRIBED BY COAST AND GEODETIC SURVEY 1964 JV2353'2.9 MI NW FROM DRANESVILLE. JV2353'IN LOUDOUN COUNTY, 11.1 MILES SOUTHEAST ALONG STATE HIGHWAY 7 JV2353'FROM LEESBURG, 2.9 MILES NORTHWEST OF DRANESVILLE, FAIRFAX COUNTY, JV2353'AT THE INTERSECTION OF STATE SECONDARY HIGHWAY 637, 50 FEET JV2353'NORTHEAST OF THE CENTER LINE OF HIGHWAY 7, 37 FEET SOUTHEAST JV2353'OF THE CENTER LINE HIGHWAY 637, AND NEAR A WHITE WOODEN JV2353'WITNESS POST. A STANDARD DISK, STAMPED W 89 RESET 1941 AND SET IN JV2353'THE TOP OF A CONCRETE POST. NOTE-- THIS BENCH MARK WAS ESTABLISHED JV2353'AND ITS ELEVATION DETERMINED BY ENGINEERS OF THE STATE DEPARTMENT JV2353'OF HIGHWAYS DURING THE WINTER OF 1941-42. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3111 *********************************************************************** JV3111 DESIGNATION - X 252 RESET 1961 JV3111 PID - JV3111 JV3111 STATE/COUNTY- VA/LOUDOUN JV3111 USGS QUAD - BLUEMONT (1981) JV3111 JV3111 *CURRENT SURVEY CONTROL JV3111 ___________________________________________________________________ JV3111* NAD 83(1986)- 39 04 01. (N) 077 45 02. (W) SCALED JV3111* NAVD 88 - 137.14 (meters) 449.9 (feet) RESET JV3111 ___________________________________________________________________ JV3111 GEOID HEIGHT- -32.78 (meters) GEOID99 JV3111 JV3111 VERT ORDER - THIRD JV3111 JV3111.The horizontal coordinates were scaled from a topographic map and have JV3111.an estimated accuracy of +/- 6 seconds. JV3111 JV3111.The orthometric height was computed from unverified reset data. JV3111.No vertical observational check was made to the station. JV3111 JV3111.The geoid height was determined by GEOID99. JV3111 JV3111; North East Units Estimated Accuracy JV3111;SPC VA N - 2,155,700. 3,564,860. MT (+/- 180 meters Scaled) JV3111 JV3111 SUPERSEDED SURVEY CONTROL JV3111 JV3111 NGVD 29 - 137.35 (m) 450.6 (f) RESET 3 JV3111 JV3111.Superseded values are not recommended for survey control. JV3111.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3111.See file dsdata.txt to determine how the superseded data were derived. JV3111 JV3111_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ620278(NAD 83) JV3111_MARKER: DB = BENCH MARK DISK JV3111_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV3111_STAMPING: X 252 RESET 1961 JV3111_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV3111+STABILITY: SURFACE MOTION JV3111 JV3111 HISTORY - Date Condition Report By JV3111 HISTORY - 1961 MONUMENTED CGS JV3111 JV3111 STATION DESCRIPTION JV3111 JV3111'DESCRIBED BY COAST AND GEODETIC SURVEY 1961 JV3111'1 MI NW FROM PHILMONT. JV3111'THIS MARK IS LOCATED 1.0 MILE NORTHWEST ALONG STATE HIGHWAY 734 JV3111'FROM THE INTERSECTION OF STATE HIGHWAY 622 AT PHILMONT, 5.2 JV3111'MILES SOUTHWEST OF LINCOLN, AT THE INTERSECTION OF STATE HIGHWAY JV3111'611, IN THE NORTH QUARTER OF THE INTERSECTION, 35 FEET NORTHWEST JV3111'OF THE CENTER OF HIGHWAY 611, 23.0 FEET NORTHEAST OF THE CENTER JV3111'OF HIGHWAY 734, 3.5 FEET NORTHWEST OF POWER POLE NO. 5541, JV3111'1.5 FEET SOUTHEAST OF A C AND GS WITNESS SIGN AND 1.0 FEET JV3111'SOUTHWEST OF A FENCE LINE, AND SET IN THE TOP OF A ROUND CONCRETE JV3111'POST, FLUSH WITH THE GROUND. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV3133 *********************************************************************** JV3133 DESIGNATION - X 256 RESET 1950 JV3133 PID - JV3133 JV3133 STATE/COUNTY- VA/LOUDOUN JV3133 USGS QUAD - LINCOLN (1981) JV3133 JV3133 *CURRENT SURVEY CONTROL JV3133 ___________________________________________________________________ JV3133* NAD 83(1986)- 39 01 09. (N) 077 42 08. (W) SCALED JV3133* NAVD 88 - 116.95 (meters) 383.7 (feet) RESET JV3133 ___________________________________________________________________ JV3133 GEOID HEIGHT- -32.53 (meters) GEOID99 JV3133 JV3133 VERT ORDER - THIRD JV3133 JV3133.The horizontal coordinates were scaled from a topographic map and have JV3133.an estimated accuracy of +/- 6 seconds. JV3133 JV3133.The orthometric height was computed from unverified reset data. JV3133.No vertical observational check was made to the station. JV3133 JV3133.The geoid height was determined by GEOID99. JV3133 JV3133; North East Units Estimated Accuracy JV3133;SPC VA N - 2,150,430. 3,569,090. MT (+/- 180 meters Scaled) JV3133 JV3133 SUPERSEDED SURVEY CONTROL JV3133 JV3133 NGVD 29 - 117.15 (m) 384.3 (f) RESET 3 JV3133 JV3133.Superseded values are not recommended for survey control. JV3133.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV3133.See file dsdata.txt to determine how the superseded data were derived. JV3133 JV3133_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ660223(NAD 83) JV3133_MARKER: DB = BENCH MARK DISK JV3133_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV3133_STAMPING: X 256 RESET 1950 JV3133_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV3133+STABILITY: SURFACE MOTION JV3133 JV3133 HISTORY - Date Condition Report By JV3133 HISTORY - 1951 MONUMENTED VADH JV3133 HISTORY - 20011118 MARK NOT FOUND USPSQD JV3133 JV3133 STATION DESCRIPTION JV3133 JV3133'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1951 JV3133'4.7 MI NW FROM ALDIE. JV3133'4.7 MILES NORTHWEST ALONG STATE HIGHWAY 734 FROM THE POST OFFICE JV3133'AT ALDIE, LOUDOUN COUNTY, 0.4 MILE NORTHWEST OF CARTERS JV3133'BRIDGE OVER GOOSE CREEK, AT SURVEY STATION 238+75, NORTH OF A JV3133'PIPE CULVERT, AND 27 FEET EAST OF THE CENTER LINE OF THE JV3133'HIGHWAY. A STANDARD DISK, STAMPED X 256 RESET 1950 AND SET JV3133'IN THE TOP OF A CONCRETE POST. JV3133 JV3133 STATION RECOVERY (2001) JV3133 JV3133'RECOVERY NOTE BY US POWER SQUADRON 2001 JV3133'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV2355 *********************************************************************** JV2355 DESIGNATION - X 89 RESET JV2355 PID - JV2355 JV2355 STATE/COUNTY- VA/LOUDOUN JV2355 USGS QUAD - STERLING (1994) JV2355 JV2355 *CURRENT SURVEY CONTROL JV2355 ___________________________________________________________________ JV2355* NAD 83(1986)- 39 02 19. (N) 077 25 04. (W) SCALED JV2355* NAVD 88 - 96.68 (meters) 317.2 (feet) RESET JV2355 ___________________________________________________________________ JV2355 GEOID HEIGHT- -31.95 (meters) GEOID99 JV2355 JV2355 VERT ORDER - THIRD JV2355 JV2355.The horizontal coordinates were scaled from a topographic map and have JV2355.an estimated accuracy of +/- 6 seconds. JV2355 JV2355.The orthometric height was computed from unverified reset data. JV2355.No vertical observational check was made to the station. JV2355 JV2355.The geoid height was determined by GEOID99. JV2355 JV2355; North East Units Estimated Accuracy JV2355;SPC VA N - 2,152,840. 3,593,690. MT (+/- 180 meters Scaled) JV2355 JV2355 SUPERSEDED SURVEY CONTROL JV2355 JV2355 NGVD 29 - 96.90 (m) 317.9 (f) RESET 3 JV2355 JV2355.Superseded values are not recommended for survey control. JV2355.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV2355.See file dsdata.txt to determine how the superseded data were derived. JV2355 JV2355_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ907238(NAD 83) JV2355_MARKER: DB = BENCH MARK DISK JV2355_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV2355_STAMPING: X 89 RESET 1969 JV2355_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV2355+STABILITY: SURFACE MOTION JV2355 JV2355 HISTORY - Date Condition Report By JV2355 HISTORY - 1969 MONUMENTED VADH JV2355 JV2355 STATION DESCRIPTION JV2355 JV2355'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1969 JV2355'9.5 MI SE FROM LEESBURG. JV2355'ABOUT 9.5 MILES SOUTHEAST ALONG STATE HIGHWAY 7 FROM THE POST JV2355'OFFICE AT LEESBURG, ABOUT 300 FEET NORTH OF A TWO-STORY DWELLING JV2355'HOUSE, 53 FEET NORTHEAST OF THE CENTER LINE OF THE NORTH-BOUND JV2355'LANE OF STATE HIGHWAY 7, NEAR THE RIGHT-OF-WAY FENCE LINE, SET JV2355'IN THE TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV7283 *********************************************************************** JV7283 DESIGNATION - Y 256 RESET JV7283 PID - JV7283 JV7283 STATE/COUNTY- VA/LOUDOUN JV7283 USGS QUAD - LINCOLN (1981) JV7283 JV7283 *CURRENT SURVEY CONTROL JV7283 ___________________________________________________________________ JV7283* NAD 83(1986)- 39 00 23. (N) 077 41 24. (W) SCALED JV7283* NAVD 88 - 101.41 (meters) 332.7 (feet) RESET JV7283 ___________________________________________________________________ JV7283 GEOID HEIGHT- -32.46 (meters) GEOID99 JV7283 JV7283 VERT ORDER - THIRD JV7283 JV7283.The horizontal coordinates were scaled from a topographic map and have JV7283.an estimated accuracy of +/- 6 seconds. JV7283 JV7283.The orthometric height was computed from unverified reset data. JV7283.No vertical observational check was made to the station. JV7283 JV7283.The geoid height was determined by GEOID99. JV7283 JV7283; North East Units Estimated Accuracy JV7283;SPC VA N - 2,149,020. 3,570,160. MT (+/- 180 meters Scaled) JV7283 JV7283 SUPERSEDED SURVEY CONTROL JV7283 JV7283 NGVD 29 - 101.62 (m) 333.4 (f) RESET 3 JV7283 JV7283.Superseded values are not recommended for survey control. JV7283.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV7283.See file dsdata.txt to determine how the superseded data were derived. JV7283 JV7283_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ670209(NAD 83) JV7283_MARKER: DV = VERTICAL CONTROL DISK JV7283_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV7283_STAMPING: Y 256 1942 RESET 1993 JV7283_MARK LOGO: NGS JV7283_MAGNETIC: N = NO MAGNETIC MATERIAL JV7283_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV7283+STABILITY: SURFACE MOTION JV7283 JV7283 HISTORY - Date Condition Report By JV7283 HISTORY - 1993 MONUMENTED VADHT JV7283 HISTORY - 20011118 MARK NOT FOUND USPSQD JV7283 JV7283 STATION DESCRIPTION JV7283 JV7283'DESCRIBED BY VA DEPT HWYS-TRANSP 1993 JV7283'3.6 MILES (5.8 KM) NORTHWEST ALONG STATE HIGHWAY 734 FROM THE POST JV7283'OFFICE IN ALDIE, 0.7 MILES (1.1 KM) SOUTHEAST OF CARTERS BRIDGE OVER JV7283'GOOSE CREEK, 0.4 MILES (0.6 KM) SOUTHEAST OF THE JUNCTION OF STATE JV7283'HIGHWAY 748 LEADING SOUTHWEST NEAR A LARGE BOX CULVERT, LOCATED JV7283'APPROXIMATELY 15 FEET (4.6 M) NORTHWEST OF A BOARD FENCE, 104.5 FEET JV7283'(31.9 M) FROM THE SOUTHEAST CORNER OF THE BOX CULVERT AND 81.5 FEET JV7283'(24.8 M) FROM THE NORTHEAST CORNER OF THE BOX CULVERT, SET IN A JV7283'CONCRETE POST PROJECTING 3 INCHES ABOVE GROUND. JV7283 JV7283 STATION RECOVERY (2001) JV7283 JV7283'RECOVERY NOTE BY US POWER SQUADRON 2001 JV7283'MARK NOT FOUND. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 JV4061 *********************************************************************** JV4061 DESIGNATION - Z 89 RESET 1947 JV4061 PID - JV4061 JV4061 STATE/COUNTY- VA/LOUDOUN JV4061 USGS QUAD - FREDERICK (1993) JV4061 JV4061 *CURRENT SURVEY CONTROL JV4061 ___________________________________________________________________ JV4061* NAD 83(1986)- 39 28 46. (N) 077 23 51. (W) SCALED JV4061* NAVD 88 - 84.23 (meters) 276.3 (feet) RESET JV4061 ___________________________________________________________________ JV4061 GEOID HEIGHT- -32.84 (meters) GEOID99 JV4061 JV4061 VERT ORDER - THIRD JV4061 JV4061.The horizontal coordinates were scaled from a topographic map and have JV4061.an estimated accuracy of +/- 6 seconds. JV4061 JV4061.The orthometric height was computed from unverified reset data. JV4061.No vertical observational check was made to the station. JV4061 JV4061.The geoid height was determined by GEOID99. JV4061 JV4061; North East Units Estimated Accuracy JV4061;SPC VA N - 2,201,800. 3,594,860. MT (+/- 180 meters Scaled) JV4061 JV4061 SUPERSEDED SURVEY CONTROL JV4061 JV4061 NGVD 29 - 84.45 (m) 277.1 (f) RESET 3 JV4061 JV4061.Superseded values are not recommended for survey control. JV4061.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV4061.See file dsdata.txt to determine how the superseded data were derived. JV4061 JV4061_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ937727(NAD 83) JV4061_MARKER: DB = BENCH MARK DISK JV4061_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV4061_STAMPING: Z 89 RESET 1947 JV4061_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV4061+STABILITY: SURFACE MOTION JV4061 JV4061 HISTORY - Date Condition Report By JV4061 HISTORY - 1947 MONUMENTED VADH JV4061 JV4061 STATION DESCRIPTION JV4061 JV4061'DESCRIBED BY VIRGINIA DEPARTMENT OF HIGHWAYS 1947 JV4061'6.6 MI SE FROM LEESBURG. JV4061'6.6 MILES SE ALONG STATE HIGHWAY 7 FROM THE POST OFFICE AT JV4061'AT LEESBURG, 200 FT SW OF A LOG CABIN WITH A SEMI-CIRCULAR DRIVE JV4061'IN FROMT, 50 FT SE OF THE S CORNER OF A TWO STORY FARMHOUSE, AT JV4061'THE SW END OF A HEDGE, 53 FT NE OF THE CENTER LINE OF THE HIGHWAY JV4061'AND NEAR A WHITE WOODEN WITNESS POST. A STANDARD DISK SET IN THE JV4061'TOP OF A CONCRETE POST. 1 National Geodetic Survey, Retrieval Date = JUNE 2, 2003 AA3618 *********************************************************************** AA3618 FBN - This is a Federal Base Network Control Station. AA3618 DESIGNATION - ZDC B AA3618 PID - AA3618 AA3618 STATE/COUNTY- VA/LOUDOUN AA3618 USGS QUAD - LEESBURG (1994) AA3618 AA3618 *CURRENT SURVEY CONTROL AA3618 ___________________________________________________________________ AA3618* NAD 83(1993)- 39 06 00.58208(N) 077 32 35.68636(W) ADJUSTED AA3618* NAVD 88 - 97.860 (meters) 321.06 (feet) ADJUSTED AA3618 ___________________________________________________________________ AA3618 X - 1,069,102.781 (meters) COMP AA3618 Y - -4,839,695.339 (meters) COMP AA3618 Z - 4,000,993.765 (meters) COMP AA3618 LAPLACE CORR- 3.18 (seconds) DEFLEC99 AA3618 ELLIP HEIGHT- 65.51 (meters) (08/14/01) GPS OBS AA3618 GEOID HEIGHT- -32.32 (meters) GEOID99 AA3618 DYNAMIC HT - 97.805 (meters) 320.88 (feet) COMP AA3618 MODELED GRAV- 980,069.8 (mgal) NAVD 88 AA3618 AA3618 HORZ ORDER - A AA3618 VERT ORDER - FIRST CLASS II AA3618 ELLP ORDER - FOURTH CLASS I AA3618 AA3618.The horizontal coordinates were established by GPS observations AA3618.and adjusted by the National Geodetic Survey in June 1995. AA3618 AA3618.The orthometric height was determined by differential leveling AA3618.and adjusted by the National Geodetic Survey in April 2001. AA3618 AA3618.Photographs are available for this station. AA3618 AA3618.The X, Y, and Z were computed from the position and the ellipsoidal ht. AA3618 AA3618.The Laplace correction was computed from DEFLEC99 derived deflections. AA3618 AA3618.The ellipsoidal height was determined by GPS observations AA3618.and is referenced to NAD 83. AA3618 AA3618.The geoid height was determined by GEOID99. AA3618 AA3618.The dynamic height is computed by dividing the NAVD 88 AA3618.geopotential number by the normal gravity value computed on the AA3618.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 AA3618.degrees latitude (g = 980.6199 gals.). AA3618 AA3618.The modeled gravity was interpolated from observed gravity values. AA3618 AA3618; North East Units Scale Converg. AA3618;SPC VA N - 2,159,551.823 3,582,760.323 MT 0.99998381 +0 35 49.7 AA3618;UTM 18 - 4,330,971.248 280,071.753 MT 1.00019561 -1 36 16.6 AA3618 AA3618|---------------------------------------------------------------------| AA3618| PID Reference Object Distance Geod. Az | AA3618| dddmmss.s | AA3618| AA3619 ZDC A 24.832 METERS 33902 | AA3618|---------------------------------------------------------------------| AA3618 AA3618 SUPERSEDED SURVEY CONTROL AA3618 AA3618 ELLIP HT - 65.47 (m) (06/29/95) GP( ) 2 2 AA3618 AA3618.Superseded values are not recommended for survey control. AA3618.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. AA3618.See file dsdata.txt to determine how the superseded data were derived. AA3618 AA3618_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ8007230971(NAD 83) AA3618_MARKER: DH = HORIZONTAL CONTROL DISK AA3618_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT AA3618_STAMPING: ZDC B 1994 AA3618_MARK LOGO: NGS AA3618_MAGNETIC: N = NO MAGNETIC MATERIAL AA3618_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO AA3618+STABILITY: SURFACE MOTION AA3618_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR AA3618+SATELLITE: SATELLITE OBSERVATIONS - April 22, 2003 AA3618 AA3618 HISTORY - Date Condition Report By AA3618 HISTORY - 1994 MONUMENTED NGS AA3618 HISTORY - 1994 SEE DESCRIPTION NGS AA3618 HISTORY - 19950323 GOOD NGS AA3618 HISTORY - 19980629 GOOD NGS AA3618 HISTORY - 20000120 GOOD NGS AA3618 HISTORY - 20000417 GOOD GEOMET AA3618 HISTORY - 20001001 GOOD NGS AA3618 HISTORY - 20020215 GOOD DEWDAV AA3618 HISTORY - 20021123 GOOD NGS AA3618 HISTORY - 20030422 GOOD BOWMAN AA3618 AA3618 STATION DESCRIPTION AA3618 AA3618'DESCRIBED BY NATIONAL GEODETIC SURVEY 1994 (SER) AA3618'THE STATION IS LOCATED ABOUT 31.0 M (101.7 FT) NORTHWEST OF WASHINGTON AA3618'D.C., AT LEESBURG JUST OUTSIDE THE FENCE AND BEHIND THE FAA FLIGHT AA3618'CONTROL CENTER. OWNERSHIP--FEDERAL AVIATION ADMINISTRATION. 825 EAST AA3618'MARKET STREET, LEESBURG, VA 22075. CONTACT MARCOL FRAINA, PHONE AA3618'(703)771-3670. AA3618' AA3618'TO REACH THE STATION FROM THE JUNCTION OF U.S. HIGHWAY 15 AND STATE AA3618'ROUTE 7 IN LEESBURG, GO EAST ON STATE HIGHWAY 7 FOR 0.4 MI (0.6 KM) TO AA3618'A PAVED ROAD RIGHT. TURN RIGHT, SOUTHERLY ON CARDINAL PARK DRIVE 0.2 AA3618'MI (0.3 KM) TO A PAVED ROAD RIGHT. TURN RIGHT, WESTERLY ON TRAILVEIW AA3618'ROAD FOR 0.1 MI (0.2 KM) TO THE STATION ON THE RIGHT IN THE GRASS AA3618'BETWEEN THE FENCE AND ROAD. AA3618' AA3618'STATION IS LOCATED 18.6 M (61.0 FT) SOUTHEAST FROM A RIGHT OF WAY AA3618'MARKER, 14.6 M (47.9 FT) NORTHEAST FROM THE CENTERLINE OF ROAD AND 4.3 AA3618'M (14.1 FT) SOUTHWEST FROM A FENCE LINE. AA3618 AA3618 STATION RECOVERY (1995) AA3618 AA3618'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1995 (GAS) AA3618'0.4 KM (0.25 MI) SOUTHEASTERLY ALONG STATE HIGHWAY 7 FROM THE JUNCTION AA3618'OF U.S. HIGHWAY 15 IN LEESBURG, THENCE 0.3 KM (0.20 MI) SOUTHWESTERLY AA3618'THROUGH A GATE AND ALONG A ROAD TO THE SOUTHWEST PERIMETER FENCE OF AA3618'THE FEDERAL AVIATION ADMINISTRATION PROPERTY, ON THE OUTSIDE OF THE AA3618'FENCE, 18.6 M (61.0 FT) SOUTHEAST OF A RIGHT-OF-WAY MARKER, 14.6 M AA3618'(47.9 FT) NORTHEAST OF THE CENTERLINE OF TRAILVIEW BOULEVARD, 6.1 M AA3618'(20.0 FT) SOUTHEAST OF THE EXTENDED CENTER OF THE ROAD, 4.3 M (14.1 AA3618'FT) SOUTHWEST OF A WITNESS POST AND FENCE, 1.0 M (3.3 FT) ABOVE THE AA3618'LEVEL OF THE BOULEVARD, AND THE MONUMENT IS RECESSED 0.1 M (0.3 FT) AA3618'BELOW THE GROUND SURFACE. AA3618 AA3618 STATION RECOVERY (1998) AA3618 AA3618'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1998 (AJL) AA3618'RECOVERED AS DESCRIBED. AA3618 AA3618 STATION RECOVERY (2000) AA3618 AA3618'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 (MLM) AA3618'RECOVERED BY NATIONAL GEODETIC SURVEY, NEW DESCRIPTION FOLLOWS. THE AA3618'STATION IN LOCATED ABOUT 1.28 KM (0.80 MI) SOUTHEAST OF THE JUNCTION AA3618'OF US HIGHWAY 15 AND STATE HIGHWAY 7 LOCATED ON THE EAST SIDE OF AA3618'LEESBURG ON THE NORTH SIDE OF TRAILVIEW BOULEVARD AND ON THE SOUTH AA3618'SIDE OF A CHAIN LINK FENCE FOR THE PROPERTY OF THE FEDERAL AVIATION AA3618'ADMINISTRATION COMPLEX. OWNERSHIP--VIRGINIA DEPARTMENT OF AA3618'TRANSPORTATION TO REACH THE STATION FROM THE JUNCTION OF US HIGHWAY 15 AA3618'OVERPASS BRIDGE OVER STATE HIGHWAY 7 (EAST MARKET STREET) ON THE EAST AA3618'SIDE OF LEESBURG, FROM THE CENTER OF THE STATE HIGHWAY 7 UNDERPASS GO AA3618'EAST ON STATE HIGHWAY 7 FOR 0.64 KM (0.40 MI) TO THE JUNCTION OF AA3618'CARDINAL PARK DRIVE ON THE RIGHT, TURN RIGHT, SOUTH ON CARDINAL PARK AA3618'DRIVE FOR 0.3 KM (0.20 MI) TO THE JUNCTION OF TRAILVIEW BOULEVARD ON AA3618'THE RIGHT, TURN RIGHT, WEST ON TRAILVIEW BOULEVARD FOR 0.16 KM (0.10 AA3618'MI) TO THE STATION ON THE RIGHT ABOUT 1.22 M (4.00 FT) ABOVE THE AA3618'BOULEVARD BETWEEN THE CURB OF THE BOULEVARD AND A CHAIN LINK FENCE. AA3618'THE STATION IS AN NGS HORIZONTAL CONTROL DISK SET IN TOP OF A 35 CM AA3618'CONCRETE POST ABOUT 3 CM BELOW THE GROUND. LOCATED 18.6 M (61.0 FT) AA3618'SOUTHEAST OF A VIRGINIA DEPARTMENT OF TRANSPORTATION CONCRETE POST AA3618'(RIGHT OF WAY MARKER) PROJECTING ABOUT 15 CM ABOVE THE GROUND, 14.63 M AA3618'(48.00 FT) NORTH OF THE CENTER OF THE BOULEVARD (SLOPE MEASUREMENT) AA3618'4.12 M (13.52 FT) SOUTH OF A FIBERGLASS WITNESS POST AND 4.27 M (14.01 AA3618'FT) SOUTH OF THE CHAIN LINK FENCE. AA3618 AA3618 STATION RECOVERY (2000) AA3618 AA3618'RECOVERY NOTE BY GEOMETRICS GPS INCORPORATED 2000 (CG) AA3618'GOOD. AA3618 AA3618 STATION RECOVERY (2000) AA3618 AA3618'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2000 (CSM) AA3618'RECOVERED AS DESCRIBED. AA3618 AA3618 STATION RECOVERY (2002) AA3618 AA3618'RECOVERY NOTE BY DEWBERRY DAVIS 2002 (CSW) AA3618'RECOVERED IN GOOD CONDITION. AA3618 AA3618 STATION RECOVERY (2002) AA3618 AA3618'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 2002 (DLA) AA3618'RECOVERED AS DESCRIBED AA3618' AA3618 AA3618 STATION RECOVERY (2003) AA3618 AA3618'RECOVERY NOTE BY BOWMAN CONSULTING GROUP 2003 AA3618'RECOVERED AS DESCRIBED