1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV5123 *********************************************************************** HV5123 DESIGNATION - ANNE HV5123 PID - HV5123 HV5123 STATE/COUNTY- VA/FAIRFAX HV5123 USGS QUAD - VIENNA (1994) HV5123 HV5123 *CURRENT SURVEY CONTROL HV5123 ___________________________________________________________________ HV5123* NAD 83(1993)- 38 58 43.82658(N) 077 20 51.24526(W) ADJUSTED HV5123* NAVD 88 - 138.2 (meters) 453. (feet) VERTCON HV5123 ___________________________________________________________________ HV5123 LAPLACE CORR- 2.15 (seconds) DEFLEC99 HV5123 GEOID HEIGHT- -31.73 (meters) GEOID03 HV5123 HV5123 HORZ ORDER - FIRST HV5123 HV5123.The horizontal coordinates were established by classical geodetic methods HV5123.and adjusted by the National Geodetic Survey in November 1994. HV5123 HV5123.The NAVD 88 height was computed by applying the VERTCON shift value to HV5123.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV5123 HV5123.The Laplace correction was computed from DEFLEC99 derived deflections. HV5123 HV5123.The geoid height was determined by GEOID03. HV5123 HV5123; North East Units Scale Factor Converg. HV5123;SPC VA N - 2,146,279.057 3,599,854.960 MT 0.99996823 +0 43 09.3 HV5123;UTM 18 - 4,317,049.864 296,647.430 MT 1.00010922 -1 28 37.9 HV5123 HV5123! - Elev Factor x Scale Factor = Combined Factor HV5123!SPC VA N - 0.99998330 x 0.99996823 = 0.99995153 HV5123!UTM 18 - 0.99998330 x 1.00010922 = 1.00009252 HV5123 HV5123: Primary Azimuth Mark Grid Az HV5123:SPC VA N - P 900 GULF RESTON CORP 358 26 15.7 HV5123:UTM 18 - P 900 GULF RESTON CORP 000 38 02.9 HV5123 HV5123|---------------------------------------------------------------------| HV5123| PID Reference Object Distance Geod. Az | HV5123| dddmmss.s | HV5123| AJ3357 ANNE RM 1 22.007 METERS 00057 | HV5123| AJ3358 ANNE RM 2 27.685 METERS 25525 | HV5123| HV5171 P 900 GULF RESTON CORP 488.208 METERS 3590925.0 | HV5123|---------------------------------------------------------------------| HV5123 HV5123 SUPERSEDED SURVEY CONTROL HV5123 HV5123 NAD 83(1993)- 38 58 43.82601(N) 077 20 51.24730(W) AD( ) 1 HV5123 NAD 83(1986)- 38 58 43.82609(N) 077 20 51.25671(W) AD( ) 1 HV5123 NAD 27 - 38 58 43.43025(N) 077 20 52.30422(W) AD( ) 1 HV5123 NGVD 29 (07/19/86) 138.4 (m) 454. (f) VERT ANG HV5123 HV5123.Superseded values are not recommended for survey control. HV5123.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV5123.See file dsdata.txt to determine how the superseded data were derived. HV5123 HV5123_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ9664717050(NAD 83) HV5123_MARKER: DS = TRIANGULATION STATION DISK HV5123_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV5123_SP_SET: TOP OF SQUARE CONCRETE MONUMENT HV5123_STAMPING: ANNE 1969 HV5123_MARK LOGO: CGS HV5123_MAGNETIC: N = NO MAGNETIC MATERIAL HV5123_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV5123+STABILITY: SURFACE MOTION HV5123_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV5123+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV5123 HV5123 HISTORY - Date Condition Report By HV5123 HISTORY - 1969 MONUMENTED CGS HV5123 HISTORY - 1979 GOOD NGS HV5123 HISTORY - 19841017 GOOD NGS HV5123 HISTORY - 19991115 GOOD USPSQD HV5123 HISTORY - 20050625 GOOD USPSQD HV5123 HV5123 STATION DESCRIPTION HV5123 HV5123'DESCRIBED BY COAST AND GEODETIC SURVEY 1969 (JBJ) HV5123'THE STATION IS ABOUT 2 MILES NORTHEAST OF HERNDON, 6 MILES NORTHEAST HV5123'OF THE DULLES INTERNATIONAL AIRPORT, 2-1/2 MILES SOUTHEAST OF THE HV5123'LOUDOUN COUNTY LINE AND ON LAND OWNED BY DONALD L. CUMMINGS. HV5123' HV5123'TO REACH THE STATION FROM THE POST OFFICE IN HERNDON, GO EAST ON HV5123'COUNTY ROAD 606 FOR 1.6 MILES TO A CROSSROAD. TURN LEFT AND GO HV5123'NORTH ON RESTON AVENUE FOR 0.9 MILE TO THE STATION ON THE RIGHT. HV5123' HV5123'STATION MARK IS A STANDARD DISK, STAMPED ANNE 1969, SET IN THE TOP OF HV5123'A ROUND CONCRETE POST, 12 INCHES IN DIAMETER, THAT PROJECTS 2 INCHES HV5123'ABOVE THE GROUND. IT IS 43.5 FEET SOUTHEAST OF THE CENTERLINE OF HV5123'RESTON AVENUE, 20.7 FEET SOUTH-SOUTHEAST OF A TREE WITH A TRIANGLE HV5123'BLAZE ON THE NORTHWEST SIDE AND 4.7 FEET NORTH OF A WITNESS POST. HV5123'THE UNDERGROUND STATION MARK IS 40 INCHES BELOW THE GROUND HV5123'SURFACE. HV5123' HV5123'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED ANNE NO 1 1969, SET IN HV5123'THE TOP OF A ROUND CONCRETE POST, 12 INCHES IN DIAMETER, THAT HV5123'PROJECTS 3 INCHES ABOVE THE GROUND. IT IS 77.0 FEET HV5123'NORTH-NORTHEAST OF THE WITNESS POST, 56.7 FEET NORTHEAST OF THE HV5123'TREE WITH TRIANGLE BLAZE, 16.0 FEET SOUTHEAST OF THE CENTERLINE HV5123'OF RESTON AVENUE AND ABOUT THE SAME IN ELEVATION AS THE STATION. HV5123' HV5123'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED ANNE NO 2 1969, SET IN HV5123'THE TOP OF A ROUND CONCRETE POST, 12 INCHES IN DIAMETER, THAT HV5123'PROJECTS 1 INCH ABOVE THE GROUND. IT IS 20.0 FEET NORTHWEST OF THE HV5123'CENTERLINE OF RESTON AVENUE, 1.0 FEET SOUTHEAST OF A FENCE AND ABOUT HV5123'THE SAME IN ELEVATION AS THE STATION. HV5123' HV5123'THERE WAS NO SUITABLE LOCATION FOR AN AZIMUTH MARK. HV5123' HV5123'THE DISTANCE BETWEEN THE REFERENCE MARKS WAS NOT MEASURED DUE TO HV5123'OBSTRUCTIONS. HV5123 HV5123 STATION RECOVERY (1979) HV5123 HV5123'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 (CLN) HV5123'THE STATION MARK, REFERENCE MARK 1 AND REFERENCE MARK 2 WERE HV5123'RECOVERED IN GOOD CONDITION. THE DISTANCES TO THE REFERENCE MARKS HV5123'CHECKED THE 1969 MEASUREMENTS. THE ANGLE BETWEEN THE REFERENCE HV5123'MARKS WAS NOTED TO BE LARGER BY 1 MINUTE AND 39 SECONDS. SURVEY HV5123'MARK P 900 WHICH WAS ESTABLISHED BY GULF RESTON CORP., WAS RECOVERED HV5123'AND UTILIZED AS AN AZIMUTH MARK AT THIS TIME. HV5123' HV5123'A NEW DESCRIPTION FOLLOWS-- HV5123' HV5123'THE STATION IS ABOUT 6 MILES NORTHEAST OF DULLES INTERNATIONAL HV5123'AIRPORT, 2-1/2 MILES SOUTHEAST OF THE LOUDON COUNTYLINE AND 2 MILES HV5123'NORTHEAST OF HERNDON. HV5123' HV5123'TO REACH THE STATION FROM THE POST OFFICE IN HERNDON, GO EAST ON HV5123'COUNTY ROAD 606 FOR 1.6 MILES TO A CROSSROADS. TURN LEFT AND GO HV5123'NORTH ON RESTON AVENUE FOR 0.9 MILE TO A A DIRT, WOODS CROSSROAD HV5123'AND THE STATION ON THE RIGHT IN THE MIDDLE OF THE WOODS ROAD. HV5123' HV5123'THE STATION MARK IS A STANDARD DISK STAMPED---ANNE 1969---SET IN HV5123'THE TOP OF A CONCRETE POST, 12-INCHES IN DIAMETER THAT IS FLUSH WITH HV5123'THE GROUND. THE UNDERGROUND MARK IS SET 40 INCHES BELOW THE GROUND HV5123'SURFACE IN AN IRREGULAR MASS OF CONCRETE. THEY ARE 43.5 FEET HV5123'SOUTHEAST OF THE CENTERLINE OF RESTON AVE., 20.6 FEET SOUTH-SOUTHEAST HV5123'OF A TREE WITH A TRIANGULAR BLAZE ON THE NORTHWEST SIDE AND HV5123'2 FEET WEST OF A 4 X 4 INCH WOOD WITNESS POST. HV5123' HV5123'REFERENCE MARK 1 IS A STANDARD DISK STAMPED---ANNE NO 1 1969--- HV5123'SET IN THE TOP OF A CONCRETE POST, 12 INCHES IN DIAMETER, THAT HV5123'PROJECTS 2 INCHES. IT IS 74 NORTH OF THE WITNESS POST, 56.5 HV5123'NORTHEAST OF THE BLAZED TREE, 16 FEET SOUTHEAST OF RESTON AVE. AND HV5123'ABOUT SAME ELEVATION AS STATION MARK. HV5123' HV5123'REFERENCE MARK 2 IS A STANDARD DISK STAMPED---ANNE NO 2 1969--- HV5123'SET IN THE TOP OF A CONCRETE POST, 12-INCHES IN DIAMETER AND FLUSH HV5123'WITH THE GROUND. IT IS 20 FEET NORTHWEST OF THE CENTERLINE OF RESTON HV5123'AVE, 1 FOOT SOUTHEAST OF A FENCE, ON THE ROAD RIGHT-OF-WAY AND HV5123'ABOUT 1 FOOT HIGHER IN ELEVATION THAN THE STATION MARK. HV5123' HV5123'P 900 IS AN UNSTAMPED DISK THAT IS 2 INCHES IN DIAMETER, HAS A CROSS HV5123'CAST INTO IT AND A DOT IN THE MIDDLE OF THE CROSS. IT IS SET IN THE HV5123'TOP OF A CONCRETE POST, 15-INCHES IN DIAMETER AND FLUSH WITH THE HV5123'GROUND. IT IS LOCATED ON THE SOUTHWEST SLOPE OF A VERY LOW RISE, HV5123'13 FEET EAST OF THE CENTER OF A DIM WOODS ROAD AND 1.5 WEST OF A HV5123'4X4 INCH WOOD, WITNESS POST WITH---P 900---PAINTED ON THE WEST SIDE. HV5123' HV5123'TO REACH P-900 FROM THE STATION, GO NORTHEASTERLY ON RESTON AVE FOR HV5123'0.25 MILE TO A WOODS ROAD LEFT AT AN OPENING IN FENCE TURN LEFT AND HV5123'GO NORTHWESTERLY ON THE WOODS ROAD FOR 0.05 MILE TO THE MARK ON THE HV5123'RIGHT. HV5123' HV5123'UNABLE TO MEASURE BETWEEN REFERENCE MARKS. HV5123 HV5123 STATION RECOVERY (1984) HV5123 HV5123'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1984 (CLN) HV5123'THE STATION MARK, REFERENCE MARKS ONE AND TWO AND THE RESTON LAND HV5123'DEVELOPMENT BOUNDARY MARK P900 WHICH SERVES AS AN AZIMUTH MARK WERE HV5123'RECOVERED IN GOOD CONDITION. THE DIRECTION BETWEEN THE REFERENCE HV5123'MARKS CHECKED WITH THE 1969 RECOVERY. THE DISTANCE TO REFERENCE MARK HV5123'1 ALSO CHECKED, HOWEVER, THE DISTANCE TO REFERENCE MARK 2 WAS NOTED TO HV5123'BE 0.019 M (0.062 FT) LONGER AT THIS OCCUPATION. THE STATION MAY BE HV5123'DESTROYED BY CONSTRUCTION IN THE NEAR FUTURE. STATION ANNE 2 WAS HV5123'ESTABLISHED AT THIS TIME. A COMPLETE NEW DESCRIPTION FOLLOWS. HV5123' HV5123'STATION IS LOCATED ABOUT 3.2 KM (2.00 MI) NORTHEAST OF HERNDON, 4.0 KM HV5123'(2.50 MI) SOUTHEAST OF THE LOUDOUN-FAIRFAX CO LINE, 9.6 KM (5.95 MI) HV5123'NORTHEAST OF THE DULLES INTERNATIONAL AIRPORT AND ON PROPERTY OWNED BY HV5123'THE RESTON LAND CORPORATION, 11800 SUNRISE VALLEY DRIVE, SUITE 1400, HV5123'RESTON, VIRGINIA 22091. TO REACH THE STATION FROM THE POST OFFICE IN HV5123'HERNDON, GO EAST ON COUNTY ROAD 606 FOR 2.56 KM (1.60 MI) TO A HV5123'CROSSROADS, TURN LEFT AND GO NORTH ON RESTON AVENUE FOR 1.44 KM (0.90 HV5123'MI) TO THE STATION ON THE RIGHT. HV5123' HV5123'THE STATION IS A STANDARD CGS DISK STAMPED--ANNE 1969--, SET INTO THE HV5123'TOP OF A ROUND CONCRETE MONUMENT 32 CM IN DIAMETER, FLUSH WITH GROUND. HV5123'LOCATED 2.1 FT (0.6 M) W FROM A 4X4 WOODEN WITNESS POST, 20.6 FT (6.3 HV5123'M) SE FROM A 15-INCH BLAZED CHESTNUT TREE AND 43.7 FT (13.3 M) SE FROM HV5123'THE CENTER OF RESTON AVENUE. THE UNDERGROUND MARK WAS NOT INSPECTED. HV5123' HV5123'REFERENCE MARK NO 1 IS A STANDARD CGS DISK STAMPED--ANNE NO 1 1969--, HV5123'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 32 CM IN DIAMETER, HV5123'PROJECTING 4 CM ABOVE THE GROUND. LOCATED 16.0 FT (4.9 M) SE FROM THE HV5123'CENTER OF RESTON AVENUE, 56.5 FT (17.2 M) NE FROM THE TRIANGULAR TREE HV5123'AND 74.0 FT (22.6 M) N FROM A 4X4 INCH WOOD WITNESS POST. HV5123' HV5123'REFERENCE MARK NO 2 IS A STANDARD CGS DISK STAMPED--ANNE NO 2 1969--, HV5123'SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 32 CM IN DIAMETER, FLUSH HV5123'WITH GROUND. LOCATED 1.0 FT (0.3 M) SE FROM A WIRE FENCE AND 20.0 FT HV5123'(6.1 M) NW FROM THE CENTER OF RESTON AVENUE. HV5123 HV5123 STATION RECOVERY (1999) HV5123 HV5123'RECOVERY NOTE BY US POWER SQUADRON 1999 HV5123'RECOVERED IN GOOD CONDITION. HV5123 HV5123 STATION RECOVERY (2005) HV5123 HV5123'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV5123'N 38 58.729 HV5123'W 077 20.859 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 JV4505 *********************************************************************** JV4505 DESIGNATION - BEND JV4505 PID - JV4505 JV4505 STATE/COUNTY- VA/FAIRFAX JV4505 USGS QUAD - SENECA (1994) JV4505 JV4505 *CURRENT SURVEY CONTROL JV4505 ___________________________________________________________________ JV4505* NAD 83(1993)- 39 00 52.74863(N) 077 16 08.85268(W) ADJUSTED JV4505* NAVD 88 - 113.432 (meters) 372.15 (feet) ADJUSTED JV4505 ___________________________________________________________________ JV4505 LAPLACE CORR- 0.92 (seconds) DEFLEC99 JV4505 GEOID HEIGHT- -31.68 (meters) GEOID03 JV4505 DYNAMIC HT - 113.373 (meters) 371.96 (feet) COMP JV4505 MODELED GRAV- 980,109.4 (mgal) NAVD 88 JV4505 JV4505 HORZ ORDER - FIRST JV4505 VERT ORDER - THIRD JV4505 JV4505.The horizontal coordinates were established by classical geodetic methods JV4505.and adjusted by the National Geodetic Survey in November 1994. JV4505 JV4505.The orthometric height was determined by differential leveling JV4505.and adjusted by the National Geodetic Survey in September 2004. JV4505 JV4505.The Laplace correction was computed from DEFLEC99 derived deflections. JV4505 JV4505.The geoid height was determined by GEOID03. JV4505 JV4505.The dynamic height is computed by dividing the NAVD 88 JV4505.geopotential number by the normal gravity value computed on the JV4505.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV4505.degrees latitude (g = 980.6199 gals.). JV4505 JV4505.The modeled gravity was interpolated from observed gravity values. JV4505 JV4505; North East Units Scale Factor Converg. JV4505;SPC VA N - 2,150,342.457 3,606,598.075 MT 0.99997236 +0 46 05.6 JV4505;SPC MD - 149,667.132 376,692.548 MT 0.99995277 -0 10 08.1 JV4505;SPC MD - 491,032.92 1,235,865.47 sFT 0.99995277 -0 10 08.1 JV4505;UTM 18 - 4,320,852.264 303,542.187 MT 1.00007527 -1 25 44.1 JV4505 JV4505! - Elev Factor x Scale Factor = Combined Factor JV4505!SPC VA N - 0.99998717 x 0.99997236 = 0.99995953 JV4505!SPC MD - 0.99998717 x 0.99995277 = 0.99993994 JV4505!UTM 18 - 0.99998717 x 1.00007527 = 1.00006244 JV4505 JV4505: Primary Azimuth Mark Grid Az JV4505:SPC VA N - BEND AZ MK 210 08 54.9 JV4505:SPC MD - BEND AZ MK 211 05 08.6 JV4505:UTM 18 - BEND AZ MK 212 20 44.6 JV4505 JV4505|---------------------------------------------------------------------| JV4505| PID Reference Object Distance Geod. Az | JV4505| dddmmss.s | JV4505| CK6624 BEND RM 1 24.313 METERS 09340 | JV4505| CK6625 BEND RM 2 19.937 METERS 16432 | JV4505| JV4518 BEND AZ MK 2 217.828 METERS 21011 | JV4505| CK6623 BEND AZ MK 2105500.5 | JV4505|---------------------------------------------------------------------| JV4505 JV4505 SUPERSEDED SURVEY CONTROL JV4505 JV4505 NAD 83(1993)- 39 00 52.74803(N) 077 16 08.85395(W) AD( ) 1 JV4505 NAD 83(1986)- 39 00 52.74837(N) 077 16 08.86408(W) AD( ) 1 JV4505 NAD 27 - 39 00 52.35469(N) 077 16 09.91947(W) AD( ) 1 JV4505 NGVD 29 (07/19/86) 113.9 (m) 374. (f) VERT ANG JV4505 JV4505.Superseded values are not recommended for survey control. JV4505.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV4505.See file dsdata.txt to determine how the superseded data were derived. JV4505 JV4505_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0354220852(NAD 83) JV4505_MARKER: DS = TRIANGULATION STATION DISK JV4505_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV4505_SP_SET: CONCRETE POST JV4505_STAMPING: BEND 1969 JV4505_MARK LOGO: CGS JV4505_MAGNETIC: O = OTHER; SEE DESCRIPTION JV4505_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV4505+STABILITY: SURFACE MOTION JV4505_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR JV4505+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 JV4505 JV4505 HISTORY - Date Condition Report By JV4505 HISTORY - 1969 MONUMENTED CGS JV4505 HISTORY - 1969 GOOD CGS JV4505 HISTORY - 1979 GOOD NGS JV4505 HISTORY - 1990 GOOD VADHT JV4505 HISTORY - 19920120 GOOD MSI JV4505 HISTORY - 20050501 GOOD GEOCAC JV4505 HISTORY - 20050625 GOOD USPSQD JV4505 JV4505 STATION DESCRIPTION JV4505 JV4505'DESCRIBED BY COAST AND GEODETIC SURVEY 1969 (JBJ) JV4505'THE STATION IS ABOUT 5-1/2 MILES EAST OF A POINT WHERE STATE HIGHWAY JV4505'7 CROSSES THE LOUDOUN-FAIRFAX COUNTY LINE, 3-1/2 MILES WEST OF JV4505'POTOMAC MARYLAND AND 1-1/2 MILES NORTHEAST OF GREAT FALLS IN THE JV4505'ANGLE BETWEEN RIVER BEND ROAD AND JEFFERY ROAD AND ON JV4505'PROPERTY OF GRAHAM MORISON. JV4505' JV4505'TO REACH THE STATION FROM THE POST OFFICE IN GREAT FALLS, GO WEST ON JV4505'OLD GEORGETOWN PIKE FOR 0.3 MILE TO A SIDE ROAD RIGHT AT THE GREAT JV4505'FALLS FIRE DEPARTMENT. TURN RIGHT AND GO NORTH, PASSING TO THE JV4505'EAST OF THE FIRE DEPARTMENT FOR 0.05 MILE TO A T-ROAD JUNCTION. JV4505'TURN LEFT AND GO NORTHWEST ON PAVED ROAD FOR 0.5 MILE TO THE JV4505'JUNCTION WITH COUNTY ROAD 682. TURN RIGHT AND GO EAST ON ROAD JV4505'682 FOR 1.45 MILES TO THE AZIMUTH MARK ON THE LEFT. JV4505'CONTINUE EASTERLY FOR 0.15 MILE TO THE JUNCTION WITH RIVER BEND JV4505'ROAD. (COUNTY ROAD 603) TURN LEFT AND GO NORTH ON RIVER JV4505'BEND ROAD FOR 0.1 MILE TO A FORK AND THE STATION IN THE ANGLE OF JV4505'THE ROADS. JV4505' JV4505'STATION MARK IS A STANDARD DISK, STAMPED BEND 1969, SET IN THE TOP JV4505'OF A ROUND CONCRETE POST, 12 INCHES IN DIAMETER, THAT IS FLUSH WITH JV4505'THE GROUND SURFACE. IT IS 69.7 FEET NORTH OF A WITNESS POST, 54.0 JV4505'FEET WEST-NORTHWEST OF THE CENTERLINE OF JEFFERY ROAD, 33.0 FEET JV4505'EAST OF THE CENTERLINE OF RIVER BEND ROAD AND 14.7 FEET EAST OF A JV4505'BOARD FENCE. THE UNDERGROUND MARK IS 36 INCHES BELOW THE GROUND JV4505'SURFACE. JV4505' JV4505'REFERENCE MARK 1 IS A STANDARD DISK, STAMPED BEND NO 1 1969, SET IN JV4505'THE TOP OF A ROUND CONCRETE POST, 12 INCHES IN DIAMETER, THAT JV4505'PROJECTS 8 INCHES ABOVE THE GROUND. IT IS 41.3 FEET EAST OF THE JV4505'BOARD FENCE, 19.5 FEET SOUTH OF THE CENTERLINE OF JEFFERY ROAD AND JV4505'ABOUT 2 FEET LOWER THAN THE STATION. JV4505' JV4505'REFERENCE MARK 2 IS A STANDARD DISK, STAMPED BEND NO 2 1969, SET IN JV4505'THE TOP OF A ROUND CONCRETE POST, 12 INCHES IN DIAMETER, THAT JV4505'PROJECTS 3 INCHES ABOVE THE GROUND. IT IS 18.0 FEET WEST-NORTHWEST JV4505'OF THE CENTERLINE OF JEFFERY ROAD, 8.0 FEET NORTH-NORTHEAST OF A JV4505'FENCE CORNER, 5.0 FEET NORTH-NORTHEAST OF THE WITNESS POST AND JV4505'ABOUT THE SAME ELEVATION AS THE STATION. JV4505' JV4505'AZIMUTH MARK IS A STANDARD DISK, STAMPED BEND 1969, SET IN THE JV4505'TOP OF A ROUND CONCRETE POST, 12 INCHES IN DIAMETER, THAT PROJECTS JV4505'4 INCHES ABOVE THE GROUND. IT IS 21.0 FEET NORTH OF THE CENTERLINE JV4505'OF A PAVED ROAD, 2.8 FEET NORTHEAST OF A WITNESS POST AND 1.5 FEET JV4505'EAST OF POWER LINE POLE NUMBER L 169. JV4505' JV4505'THE DISTANCE BETWEEN THE REFERENCE MARKS WAS NOT MEASURED DUE TO JV4505'OBSTRUCTIONS. JV4505 JV4505 STATION RECOVERY (1969) JV4505 JV4505'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1969 JV4505'RECOVERED IN GOOD CONDITION. JV4505 JV4505 STATION RECOVERY (1979) JV4505 JV4505'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979 (CLN) JV4505'THE STATION MARK, REFERENCE MARK 1, REFERENCE MARK 2 AND THE AZIMUTH JV4505'MARK WERE RECOVERED IN GOOD CONDITION. THE AZIMUTH MARK IS NOW JV4505'OBSTRUCTED BY A HOUSE. A NUMBER 2 AZIMUTH MARK WAS ESTABLISHED AT JV4505'THIS TIME. THE ANGLE BETWEEN THE REFERENCE MARKS AND THE DISTANCE JV4505'TO REFERENCE MARK 1 CHECKED THE 1969 DATA BUT THE DISTANCE TO JV4505'REFERENCE MARK 2 WAS FOUND SHORTER BY 0.004 METER. JV4505' JV4505'A NEW DESCRIPTION FOLLOWS-- JV4505' JV4505'THE STATION IS ABOUT 5-1/2 MILES EAST OF A POINT WHERE STATE HIGHWAY JV4505'7 CROSSES THE LOUDOUN-FAIRFAX COUNTY LINE, 3-1/2 MILES WEST OF JV4505'POTOMAC, MARYLAND AND 1-1/2 MILES NORTHEAST OF GREAT FALLS IN THE JV4505'ANGLE FORMED BY RIVERBEND ROAD AND JEFFERY ROAD. JV4505' JV4505'TO REACH THE STATION FROM THE GREAT FALLS POST OFFICE, GO WEST ON JV4505'OLD GEORGETOWN PIKE FOR 0.3 MILE TO A SIDE ROAD RIGHT AT THE GREAT JV4505'FALLS FIRE DEPARTMENT. TURN RIGHT AND GO NORTH PASSING TO THE EAST JV4505'OF THE FIRE DEPARTMENT FOR 0.05 MILE TO A TEE ROAD. TURN LEFT AND JV4505'GO NORTHWEST FOR 0.5 MILE TO THE JUNCTION WITH COUNTY ROAD 682. TURN JV4505'RIGHT AND GO EAST ON 682 FOR 1.45 MILES TO AZIMUTH MARK 1 ON THE JV4505'LEFT. CONTINUE EASTERLY FOR 0.05 MILES TO A DRIVEWAY ON THE LEFT, JV4505'TO REACH AZIMUTH MARK 2 FROM THIS POINT TURN LEFT AND GO NORTHERLY JV4505'FOR 0.05 MILE TO THE FIRST HOUSE AND THE MARK ON THE LEFT, CONTINUE JV4505'EASTERLY ON COUNTY ROUTE 682 FOR 0.1 MILE TO THE JUNCTION WITH JV4505'RIVERBEND ROAD, COUNTY ROAD 603, TURN LEFT AND GO NORTH ON RIVERBEND JV4505'ROAD FOR 0.1 MILE TO A FORK AND THE STATION IN THE ANGLE OF THE ROADS. JV4505' JV4505'THE STATION MARK IS A STANDARD DISK STAMPED---BEND 1969--- SET IN JV4505'THE TOP OF A ROUND CONCRETE POST, 12-INCHES IN DIAMETER AND FLUSH JV4505'WITH THE GROUND. IT IS 59.5 FEET NORTH OF THE SOUTH CORNER POST OF JV4505'A BOARD FENCE, 41 FEET NORTHWEST OF THE NORTH END-POST OF THE BOARD JV4505'FENCE, 32.5 FEET EAST OF THE CENTERLINE OF RIVERBEND ROAD, 15.1 FEET JV4505'EAST OF THE BOARD FENCE AND 2.7 EAST OF A METAL WITNESS POST. THE JV4505'UNDERGROUND, DESCRIBED AS BEING 36 INCHES BELOW THE SURFACE, WAS NOT JV4505'INSPECTED. JV4505' JV4505'REFERENCE MARK 1 IS A STANDARD DISK STAMPED---BEND NO 1 1969--- JV4505'SET IN THE TOP OF A ROUND CONCRETE POST, 12-INCHES IN DIAMETER THAT JV4505'PROJECTS 6 INCHES ABOVE THE GROUND. IT IS 40.4 EAST OF THE NORTH JV4505'END OF THE BOARD FENCE, 20 FEET SOUTHEAST OF THE CENTER LINE OF JV4505'JEFFREY ROAD AND 1 FOOT NORTHWEST OF A METAL WITNESS POST. JV4505' JV4505'REFERENCE MARK 2 IS A STANDARD DISK STAMPED---BEND NO 2 1969--- SET JV4505'IN THE TOP OF A ROUND CONCRETE POST, 12-INCHES IN DIAMETER THAT JV4505'PROJECTS 3 INCHES ABOVE THE GROUND. IT IS 25 FEET NORTHEAST OF THE JV4505'CENTERLINE OF RIVERBEND ROAD, 16.4 FEET WEST OF THE CENTERLINE OF JV4505'COUNTY ROUTE 1268, JEFFREY ROAD, 16.4 FEET WEST OF THE SOUTH CORNER JV4505'POST OF THE BOARD FENCE AND 5 FEET NORTH OF A METAL WITNESS POST. JV4505' JV4505'AZIMUTH MARK 1 IS A STANDARD DISK STAMPED---BEND 1969--- SET IN THE JV4505'TOP OF A ROUND CONCRETE POST, 12-INCHES IN DIAMETER AND FLUSH WITH JV4505'THE GROUND. IT IS 21 FEET NORTH OF THE CENTERLINE OF COUNTY ROAD JV4505'682, 2.8 FEET NORTHEAST OF A METAL WITNESS POST, 1.6 FEET EAST OF JV4505'BRACE POLE AND 0.7 FEET SOUTHEAST OF POWERLINE POLE WITH A TRANSFORMER JV4505'AND NUMBERED L-169. JV4505' JV4505'AZIMUTH MARK 2 IS A STANDARD DISK STAMPED---BEND 1969 NO2 1979--- JV4505'SET IN THE TOP OF A ROUND CONCRETE POST THAT IS 12-INCHES IN DIAMETER JV4505'AND FLUSH WITH THE GROUND. IT IS 102 FEET NORTH-NORTHEAST OF THE JV4505'SOUTHEAST CORNER OF HOUSE NUMBER 9312, 76.9 FEET NORTH-NORTHEAST OF JV4505'THE NORTHEAST CORNER OF THE CHIMNEY ON THE HOUSE, 25.5 FEET JV4505'NORTHWEST OF THE NORTHEAST CORNER OF A POWER TRANSFORMER BOX WHICH JV4505'PROJECTS ABOUT 3 FEET, 23 FEET WEST OF THE CENTER OF A GRAVELED ROAD JV4505'AND 51.5 FEET NORTH OF THE CENTER OF A SEPTIC TANK LID. JV4505 JV4505 STATION RECOVERY (1990) JV4505 JV4505'RECOVERY NOTE BY VA DEPT HWYS-TRANSP 1990 (JLS) JV4505'RECOVERED IN GOOD CONDITION. JV4505 JV4505 STATION RECOVERY (1992) JV4505 JV4505'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 JV4505'THE STATION IS ABOUT 5.5 MILES (8.9 KM) EAST OF A POINT WHERE STATE JV4505'HIGHWAY 7 CROSSES THE LOUDOUN-FAIRFAX COUNTY LINE, 3.5 MILES (5.6 KM) JV4505'WEST OF POTOMAC, MARYLAND AND 1.5 MILES (2.4 KM) NORTHEAST OF GREAT JV4505'FALLS IN THE ANGLE FORMED BY RIVERBEND ROAD AND JEFFERY ROAD. TO JV4505'REACH THE STATION FROM THE GREAT FALLS POST OFFICE, GO WEST ON OLD JV4505'GEORGETOWN PIKE FOR 0.3 MILE (0.5 KM) TO A SIDE ROAD RIGHT AT THE JV4505'GREAT FALLS FIRE DEPARTMENT. TURN RIGHT AND GO NORTH PASSING TO THE JV4505'EAST OF THE FIRE DEPARTMENT FOR 0.05 MILE (0.08 KM) TO A TEE ROAD. JV4505'TURN LEFT AND GO NORTHWEST FOR 0.5 MILE (0.8 KM) TO THE JUNCTION WITH JV4505'COUNTY ROAD 682. TURN RIGHT AND GO EAST ON 682 FOR 1.45 MILES (2.33 JV4505'KM) TO AZIMUTH MARK 1 ON THE LEFT. CONTINUE EASTERLY FOR 0.05 MILES JV4505'(0.08 KM) TO A DRIVEWAY ON THE LEFT, TO REACH AZIMUTH MARK 2 FROM JV4505'THIS POINT TURN LEFT AND GO NORTHERLY FOR 0.05 MILE (0.08 KM) TO THE JV4505'FIRST HOUSE AND THE MARK ON THE LEFT, CONTINUE EASTERLY ON COUNTY JV4505'ROUTE 682 FOR 0.1 MILE (0.2 KM) TO THE JUNCTION WITH RIVERBEND ROAD, JV4505'COUNTY ROAD 603, TURN LEFT AND GO NORTH ON RIVERBEND ROAD FOR 0.1 JV4505'MILE (0.2 KM) TO A FORK AND THE STATION IN THE ANGLE OF THE ROADS, IN JV4505'TOP OF A ROUND CONCRETE POST, 12-INCHES IN DIAMETER AND FLUSH WITH JV4505'THE GROUND. IT IS 59.5 FEET (18.1 M) NORTH OF THE SOUTH CORNER POST JV4505'OF A BOARD FENCE, 41 FEET (12.5 M) NORTHWEST OF THE NORTH END-POST OF JV4505'THE BOARD FENCE, 32.5 FEET (9.9 M) EAST OF THE CENTERLINE OF JV4505'RIVERBEND ROAD, 15.1 FEET (4.6 M) EAST OF THE BOARD FENCE AND 2.7 JV4505'EAST OF A METAL WITNESS POST. THE UNDERGROUND, DESCRIBED AS BEING 36 JV4505'INCHES BELOW THE SURFACE, WAS NOT INSPECTED. JV4505 JV4505 STATION RECOVERY (2005) JV4505 JV4505'RECOVERY NOTE BY GEOCACHING 2005 (APC) JV4505'STATION DISK FOUND AS DESCRIBED. JV4505' JV4505'BOARD FENCE MENTIONED IN PREVIOUS REPORTS NOT OBSERVED. JV4505' JV4505'RM 1 AND AZIMUTH MARK NOT SEARCHED FOR. JV4505' JV4505'RM 2 LOCATED ABOUT 5.5 FEET EAST OF THE RIVER BEND ROAD-JEFFERY ROAD JV4505'SIGNPOST AND ABOUT 5.5 FEET NORTH OF A 6-INCH WOODEN POST WITH A STOP JV4505'SIGN. JV4505 JV4505 STATION RECOVERY (2005) JV4505 JV4505'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) JV4505'N 39 00.878 JV4505'W 077 16.151 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 JV4518 *********************************************************************** JV4518 DESIGNATION - BEND AZ MK 2 JV4518 PID - JV4518 JV4518 STATE/COUNTY- VA/FAIRFAX JV4518 USGS QUAD - SENECA (1994) JV4518 JV4518 *CURRENT SURVEY CONTROL JV4518 ___________________________________________________________________ JV4518* NAD 83(1993)- 39 00 46.64291(N) 077 16 13.40550(W) ADJUSTED JV4518* NAVD 88 - 103.700 (meters) 340.22 (feet) ADJUSTED JV4518 ___________________________________________________________________ JV4518 LAPLACE CORR- 0.91 (seconds) DEFLEC99 JV4518 GEOID HEIGHT- -31.68 (meters) GEOID03 JV4518 DYNAMIC HT - 103.646 (meters) 340.05 (feet) COMP JV4518 MODELED GRAV- 980,109.2 (mgal) NAVD 88 JV4518 JV4518 HORZ ORDER - SECOND JV4518 VERT ORDER - THIRD JV4518 JV4518.The horizontal coordinates were established by classical geodetic methods JV4518.and adjusted by the National Geodetic Survey in November 1994. JV4518.No horizontal observational check was made to the station. JV4518 JV4518.The orthometric height was determined by differential leveling JV4518.and adjusted by the National Geodetic Survey in September 2004. JV4518 JV4518.The Laplace correction was computed from DEFLEC99 derived deflections. JV4518 JV4518.The geoid height was determined by GEOID03. JV4518 JV4518.The dynamic height is computed by dividing the NAVD 88 JV4518.geopotential number by the normal gravity value computed on the JV4518.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV4518.degrees latitude (g = 980.6199 gals.). JV4518 JV4518.The modeled gravity was interpolated from observed gravity values. JV4518 JV4518; North East Units Scale Factor Converg. JV4518;SPC VA N - 2,150,152.725 3,606,491.078 MT 0.99997215 +0 46 02.7 JV4518;SPC MD - 149,479.179 376,582.465 MT 0.99995270 -0 10 10.9 JV4518;SPC MD - 490,416.27 1,235,504.30 sFT 0.99995270 -0 10 10.9 JV4518;UTM 18 - 4,320,666.754 303,427.983 MT 1.00007582 -1 25 46.8 JV4518 JV4518! - Elev Factor x Scale Factor = Combined Factor JV4518!SPC VA N - 0.99998870 x 0.99997215 = 0.99996085 JV4518!SPC MD - 0.99998870 x 0.99995270 = 0.99994140 JV4518!UTM 18 - 0.99998870 x 1.00007582 = 1.00006452 JV4518 JV4518 SUPERSEDED SURVEY CONTROL JV4518 JV4518 NAD 83(1993)- 39 00 46.64232(N) 077 16 13.40677(W) AD( ) 2 JV4518 NAD 83(1986)- 39 00 46.64263(N) 077 16 13.41685(W) AD( ) 2 JV4518 NAD 27 - 39 00 46.24888(N) 077 16 14.47210(W) AD( ) 2 JV4518 NGVD 29 (07/19/86) 103.1 (m) 338. (f) VERT ANG JV4518 JV4518.Superseded values are not recommended for survey control. JV4518.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV4518.See file dsdata.txt to determine how the superseded data were derived. JV4518 JV4518_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0342820667(NAD 83) JV4518_MARKER: DZ = AZIMUTH MARK DISK JV4518_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV4518_SP_SET: CONCRETE POST JV4518_STAMPING: BEND 1969 NO 2 1979 JV4518_MARK LOGO: NGS JV4518_MAGNETIC: O = OTHER; SEE DESCRIPTION JV4518_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV4518+STABILITY: SURFACE MOTION JV4518_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR JV4518+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 JV4518 JV4518 HISTORY - Date Condition Report By JV4518 HISTORY - 1979 MONUMENTED NGS JV4518 HISTORY - 19920120 GOOD MSI JV4518 HISTORY - 20050625 GOOD USPSQD JV4518 JV4518 STATION DESCRIPTION JV4518 JV4518'DESCRIBED BY MEASUREMENT SCIENCE INCORPORATED 1992 JV4518'TO REACH THE STATION FROM THE GREAT FALLS POST OFFICE, GO WEST ON OLD JV4518'GEORGETOWN PIKE FOR 0.3 MILE (0.5 KM) TO A SIDE ROAD RIGHT AT THE JV4518'GREAT FALLS FIRE DEPARTMENT. TURN RIGHT AND GO NORTH PASSING TO THE JV4518'EAST OF THE FIRE DEPARTMENT FOR 0.05 MILE (0.08 KM) TO A TEE ROAD. JV4518'TURN LEFT AND GO NORTHWEST FOR 0.5 MILE (0.8 KM) TO THE JUNCTION WITH JV4518'COUNTY ROAD 682. TURN RIGHT AND GO EAST ON 682 FOR 1.45 MILES (2.33 JV4518'KM) TO AZIMUTH MARK 1 ON THE LEFT.)CONTINUE EASTERLY FOR 0.05 MILES JV4518'(0.08 KM) TO A DRIVEWAY ON THE LEFT, TO REACH AZIMUTH MARK 2 FROM JV4518'THIS POINT TURN LEFT AND GO NORTHERLY FOR 0.05 MILE (0.08 KM) TO THE JV4518'FIRST HOUSE AND THE MARK ON THE LEFT, CONTINUE EASTERLY ON COUNTY JV4518'ROUTE 682 FOR 0.1 MILE (0.2 KM) TO THE JUNCTION WITH RIVERBEND ROAD, JV4518'COUNTY ROAD 603, TURN LEFT AND GO NORTH ON RIVERBEND ROAD FOR 0.1 JV4518'MILE (0.2 KM) TO A FORK AND THE MARK IN THE ANGLE OF THE ROADS, IN JV4518'THE TOP OF A ROUND CONCRETE POST THAT IS 12-INCHES IN DIAMETER AND JV4518'FLUSH WITH THE GROUND. IT IS 102 FEET (31.1 M) NORTH-NORTHEAST OF JV4518'THE SOUTHEAST CORNER OF HOUSE NUMBER 9312, 76.9 FEET (23.4 M) JV4518'NORTH-NORTHEAST OF THE NORTHEAST CORNER OF THE CHIMNEY ON THE HOUSE, JV4518'25.5 FEET (7.8 M) NORTHWEST OF THE NORTHEAST CORNER OF A POWER JV4518'TRANSFORMER BOX WHICH PROJECTS ABOUT 3 FEET, 23 FEET (7.0 M) WEST OF JV4518'THE CENTER OF A GRAVELED ROAD AND 51.5 FEET (15.7 M) NORTH OF THE JV4518'CENTER OF A SEPTIC TANK LID. JV4518 JV4518 STATION RECOVERY (2005) JV4518 JV4518'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) JV4518'N 39 00.871 JV4518'W 077 16.145 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV5109 *********************************************************************** HV5109 DESIGNATION - DRANESVILLE ATL SEABOARD TOWER HV5109 PID - HV5109 HV5109 STATE/COUNTY- VA/FAIRFAX HV5109 USGS QUAD - VIENNA (1994) HV5109 HV5109 *CURRENT SURVEY CONTROL HV5109 ___________________________________________________________________ HV5109* NAD 83(1993)- 38 59 20.87179(N) 077 19 31.56997(W) ADJUSTED HV5109* NAVD 88 - HV5109 ___________________________________________________________________ HV5109 LAPLACE CORR- 1.79 (seconds) DEFLEC99 HV5109 GEOID HEIGHT- -31.72 (meters) GEOID03 HV5109 HV5109 HORZ ORDER - THIRD HV5109 HV5109.The horizontal coordinates were established by classical geodetic methods HV5109.and adjusted by the National Geodetic Survey in November 1994. HV5109 HV5109 HV5109.The Laplace correction was computed from DEFLEC99 derived deflections. HV5109 HV5109.The geoid height was determined by GEOID03. HV5109 HV5109; North East Units Scale Factor Converg. HV5109;SPC VA N - 2,147,445.616 3,601,757.919 MT 0.99996937 +0 43 59.0 HV5109;UTM 18 - 4,318,142.777 298,593.966 MT 1.00009951 -1 27 48.9 HV5109 HV5109 SUPERSEDED SURVEY CONTROL HV5109 HV5109 NAD 83(1993)- 38 59 20.87150(N) 077 19 31.57167(W) AD( ) 4 HV5109 NAD 83(1986)- 38 59 20.87333(N) 077 19 31.58233(W) AD( ) 4 HV5109 NAD 27 - 38 59 20.47940(N) 077 19 32.63130(W) AD( ) 3 HV5109 HV5109.Superseded values are not recommended for survey control. HV5109.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV5109.See file dsdata.txt to determine how the superseded data were derived. HV5109 HV5109_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ9859418143(NAD 83) HV5109_MARKER: 43 = RADIO/TV TOWER HV5109_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV5109+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV5109 HV5109 HISTORY - Date Condition Report By HV5109 HISTORY - 1958 FIRST OBSERVED CGS HV5109 HISTORY - 20050625 GOOD USPSQD HV5109 HV5109 STATION DESCRIPTION HV5109 HV5109'DESCRIBED BY COAST AND GEODETIC SURVEY 1958 (RMZ) HV5109'THE STATION IS THE WHIP ANTENNA LOCATED ATOP THE NORTHWEST HV5109'CORNER OF THE RADIO TOWER. THE TOWER IS ABOUT 1 MILE SOUTHEAST HV5109'OF DRANESVILLE AND 1 MILE NORTHWEST OF BROWNS CHAPEL, 0.1 HV5109'MILE NORTH OF STATE HIGHWAY 7. THE TOWER IS OWNED BY THE HV5109'ATLANTIC SEABOARD CORPORATION, SEVERAL RADIO FREQUENCIES ARE HV5109'ASSIGNED TO THE INSTALLATION KIF 378 BEING THE MOST USED. HV5109'THE TOWER IS A SELF-SUPPORTING TAPERED STRUCTURE, PAINTED HV5109'IN ALTERNATE RED AND WHITE SECTIONS. IT IS CONSTRUCTED OF HV5109'STEEL, ABOUT 8 FEET SQUARE AT THE TOP THE OVERALL HEIGHT OF HV5109'THE STRUCTURE IS 135 FEET. THE STRUCTURE IS NOT LIGHTED. HV5109' HV5109'FORMERLY LISTED AS DRANESVILLE RAD STA KIF 378 TOWER. HV5109 HV5109 STATION RECOVERY (2005) HV5109 HV5109'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV5109'N 38 59.348 HV5109'W 077 19.526 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV5127 *********************************************************************** HV5127 DESIGNATION - DRANESVILLE ATL SEABOARD MAST HV5127 PID - HV5127 HV5127 STATE/COUNTY- VA/FAIRFAX HV5127 USGS QUAD - VIENNA (1994) HV5127 HV5127 *CURRENT SURVEY CONTROL HV5127 ___________________________________________________________________ HV5127* NAD 83(1993)- 38 59 21.50755(N) 077 19 33.16041(W) ADJUSTED HV5127* NAVD 88 - HV5127 ___________________________________________________________________ HV5127 LAPLACE CORR- 1.80 (seconds) DEFLEC99 HV5127 GEOID HEIGHT- -31.72 (meters) GEOID03 HV5127 HV5127 HORZ ORDER - THIRD HV5127 HV5127.The horizontal coordinates were established by classical geodetic methods HV5127.and adjusted by the National Geodetic Survey in November 1994. HV5127 HV5127 HV5127.The Laplace correction was computed from DEFLEC99 derived deflections. HV5127 HV5127.The geoid height was determined by GEOID03. HV5127 HV5127; North East Units Scale Factor Converg. HV5127;SPC VA N - 2,147,464.729 3,601,719.396 MT 0.99996939 +0 43 58.0 HV5127;SPC MD - 146,869.642 371,767.543 MT 0.99995180 -0 12 16.3 HV5127;SPC MD - 481,854.82 1,219,707.35 sFT 0.99995180 -0 12 16.3 HV5127;UTM 18 - 4,318,163.356 298,556.199 MT 1.00009970 -1 27 50.0 HV5127 HV5127 SUPERSEDED SURVEY CONTROL HV5127 HV5127 NAD 83(1993)- 38 59 21.50711(N) 077 19 33.16207(W) AD( ) 4 HV5127 NAD 83(1986)- 38 59 21.50723(N) 077 19 33.17190(W) AD( ) 4 HV5127 NAD 27 - 38 59 21.10855(N) 077 19 34.21985(W) AD( ) 3 HV5127 HV5127.Superseded values are not recommended for survey control. HV5127.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV5127.See file dsdata.txt to determine how the superseded data were derived. HV5127 HV5127_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ9855618163(NAD 83) HV5127_MARKER: 44 = MICROWAVE MAST HV5127_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV5127+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV5127 HV5127 HISTORY - Date Condition Report By HV5127 HISTORY - 1969 FIRST OBSERVED CGS HV5127 HISTORY - 20050625 GOOD USPSQD HV5127 HV5127 STATION DESCRIPTION HV5127 HV5127'DESCRIBED BY COAST AND GEODETIC SURVEY 1969 (JBJ) HV5127'THE STATION IS THE CENTER OF RED LIGHT ON TOP OF A 190 FOOT, ORANGE HV5127'AND WHITE, STEEL MICROWAVE MAST. THE MAST IS USED BY THE ATLANTIC HV5127'SEABOARD CORPORATION, THERE ARE NO KNOWN CALL LETTERS. HV5127' HV5127'TO REACH FROM THE JUNCTION OF STATE HIGHWAYS 7 AND 606, GO HV5127'NORTHWESTERLY ON STATE HIGHWAY 7 FOR 0.95 MILE TO A DRIVEWAY ON THE HV5127'RIGHT. TURN RIGHT FOR 0.2 MILE TO THE STATION ON THE RIGHT. HV5127 HV5127 STATION RECOVERY (2005) HV5127 HV5127'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV5127'N 38 59.358 HV5127'W 077 19.553 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV8406 *********************************************************************** HV8406 DESIGNATION - FALLS HV8406 PID - HV8406 HV8406 STATE/COUNTY- VA/FAIRFAX HV8406 USGS QUAD - VIENNA (1994) HV8406 HV8406 *CURRENT SURVEY CONTROL HV8406 ___________________________________________________________________ HV8406* NAD 83(1993)- 38 59 20.66587(N) 077 17 20.58678(W) ADJUSTED HV8406* NAVD 88 - 94.2 (meters) 309. (feet) VERTCON HV8406 ___________________________________________________________________ HV8406 LAPLACE CORR- 0.92 (seconds) DEFLEC99 HV8406 GEOID HEIGHT- -31.69 (meters) GEOID03 HV8406 HV8406 HORZ ORDER - SECOND HV8406 HV8406.The horizontal coordinates were established by classical geodetic methods HV8406.and adjusted by the National Geodetic Survey in November 1994. HV8406 HV8406.The NAVD 88 height was computed by applying the VERTCON shift value to HV8406.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV8406 HV8406.The Laplace correction was computed from DEFLEC99 derived deflections. HV8406 HV8406.The geoid height was determined by GEOID03. HV8406 HV8406; North East Units Scale Factor Converg. HV8406;SPC VA N - 2,147,480.221 3,604,909.956 MT 0.99996937 +0 45 20.8 HV8406;SPC MD - 146,832.942 374,957.873 MT 0.99995180 -0 10 53.1 HV8406;SPC MD - 481,734.41 1,230,174.29 sFT 0.99995180 -0 10 53.1 HV8406;UTM 18 - 4,318,056.536 301,745.399 MT 1.00008400 -1 26 26.4 HV8406 HV8406! - Elev Factor x Scale Factor = Combined Factor HV8406!SPC VA N - 0.99999019 x 0.99996937 = 0.99995956 HV8406!SPC MD - 0.99999019 x 0.99995180 = 0.99994199 HV8406!UTM 18 - 0.99999019 x 1.00008400 = 1.00007419 HV8406 HV8406 SUPERSEDED SURVEY CONTROL HV8406 HV8406 NAD 83(1993)- 38 59 20.66586(N) 077 17 20.58759(W) AD( ) 2 HV8406 NAD 83(1986)- 38 59 20.66560(N) 077 17 20.59724(W) AD( ) 2 HV8406 NGVD 29 (01/12/90) 94.5 (m) 310. (f) VERT ANG HV8406 HV8406.Superseded values are not recommended for survey control. HV8406.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8406.See file dsdata.txt to determine how the superseded data were derived. HV8406 HV8406_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0174518057(NAD 83) HV8406_MARKER: DE = TRAVERSE STATION DISK HV8406_SETTING: 4 = OBJECT SURROUNDED BY MASS OF CONCRETE HV8406_SP_SET: SET IN TOP OF IRREGULAR CONCRETE HV8406_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV8406_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV8406+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV8406 HV8406 HISTORY - Date Condition Report By HV8406 HISTORY - 1969 MONUMENTED VA-059 HV8406 HISTORY - 1975 GOOD VA-059 HV8406 HISTORY - 1977 GOOD VA-059 HV8406 HISTORY - 20050625 GOOD USPSQD HV8406 HV8406 STATION DESCRIPTION HV8406 HV8406'DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1969 (HWC) HV8406'THE STATION IS 0.7 MILES SOUTH SOUTHEAST OF THE VILLAGE OF GREAT FALLS HV8406'IN THE OLIVER ESTATES SUBDIVISION. THE STATION IS AT NORTHWEST CORNER HV8406'OF INTERSECTION OF CONSTELLATION DRIVE AND GOLDEN FALCON STREET IN THE HV8406'RIGHT OF WAY OF CONSTELLATION DRIVE. HV8406' HV8406'FROM INTERSECTION OF ROUTE 193 AND WALKER ROAD PROCEED SOUTH HV8406'SOUTHEAST ON WALKER ROAD, 0.6 MILES TO INTERSECTION GOLDEN FALCON HV8406'STREET. RIGHT (WEST SOUTHWEST) ON SAME 0.1 MILES TO CONSTELLATION HV8406'DRIVE AND STATION ON RIGHT, SET IN A CONCRETE MASS IN FRONT OF HOUSE HV8406'9908 CONSTELLATION DRIVE, 27.8 FEET NORTH OF THE SOUTH END OF CONCRETE HV8406'DITCH. HV8406' HV8406'STATION IS STANDARD DISK STAMPED---FALLS 1969---. HV8406 HV8406 STATION RECOVERY (1975) HV8406 HV8406'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1975 (EYB) HV8406'THE STATION WAS RECOVERED IN GOOD CONDITION. SEE FAIRFAX COUNTY TAX HV8406'MAP 13-1, REVISED TO 1-1-76. HV8406 HV8406 STATION RECOVERY (1977) HV8406 HV8406'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1977 (EYB) HV8406'THE STATION WAS RECOVERED IN GOOD CONDITION AS PER THE ORIGINAL HV8406'DESCRIPTION. HV8406 HV8406 STATION RECOVERY (2005) HV8406 HV8406'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV8406'N 38 59.341 HV8406'W 077 17.341 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV9122 *********************************************************************** HV9122 DESIGNATION - GPS 124 HV9122 PID - HV9122 HV9122 STATE/COUNTY- VA/FAIRFAX HV9122 USGS QUAD - VIENNA (1994) HV9122 HV9122 *CURRENT SURVEY CONTROL HV9122 ___________________________________________________________________ HV9122* NAD 83(1993)- 38 58 51.01333(N) 077 18 19.95679(W) ADJUSTED HV9122* NAVD 88 - 103.881 (meters) 340.82 (feet) ADJUSTED HV9122 ___________________________________________________________________ HV9122 X - 1,091,006.681 (meters) COMP HV9122 Y - -4,843,363.393 (meters) COMP HV9122 Z - 3,990,708.937 (meters) COMP HV9122 LAPLACE CORR- 1.20 (seconds) DEFLEC99 HV9122 ELLIP HEIGHT- 72.21 (meters) (05/17/02) GPS OBS HV9122 GEOID HEIGHT- -31.70 (meters) GEOID03 HV9122 DYNAMIC HT - 103.826 (meters) 340.64 (feet) COMP HV9122 MODELED GRAV- 980,096.3 (mgal) NAVD 88 HV9122 HV9122 HORZ ORDER - SECOND HV9122 VERT ORDER - THIRD HV9122 ELLP ORDER - FOURTH CLASS II HV9122 HV9122.The horizontal coordinates were established by GPS observations HV9122.and adjusted by the National Geodetic Survey in November 1994. HV9122 HV9122.The orthometric height was determined by differential leveling HV9122.and adjusted by the National Geodetic Survey in September 2004. HV9122.No vertical observational check was made to the station. HV9122 HV9122.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9122 HV9122.The Laplace correction was computed from DEFLEC99 derived deflections. HV9122 HV9122.The ellipsoidal height was determined by GPS observations HV9122.and is referenced to NAD 83. HV9122 HV9122.The geoid height was determined by GEOID03. HV9122 HV9122.The dynamic height is computed by dividing the NAVD 88 HV9122.geopotential number by the normal gravity value computed on the HV9122.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV9122.degrees latitude (g = 980.6199 gals.). HV9122 HV9122.The modeled gravity was interpolated from observed gravity values. HV9122 HV9122; North East Units Scale Factor Converg. HV9122;SPC VA N - 2,146,547.197 3,603,493.185 MT 0.99996845 +0 44 43.7 HV9122;SPC MD - 145,923.233 373,526.056 MT 0.99995152 -0 11 30.4 HV9122;SPC MD - 478,749.81 1,225,476.74 sFT 0.99995152 -0 11 30.4 HV9122;UTM 18 - 4,317,178.390 300,293.739 MT 1.00009112 -1 27 02.9 HV9122 HV9122! - Elev Factor x Scale Factor = Combined Factor HV9122!SPC VA N - 0.99998867 x 0.99996845 = 0.99995712 HV9122!SPC MD - 0.99998867 x 0.99995152 = 0.99994019 HV9122!UTM 18 - 0.99998867 x 1.00009112 = 1.00007979 HV9122 HV9122: Primary Azimuth Mark Grid Az HV9122:SPC VA N - GPS 125 002 52 33.2 HV9122:SPC MD - GPS 125 003 48 47.3 HV9122:UTM 18 - GPS 125 005 04 19.8 HV9122 HV9122|---------------------------------------------------------------------| HV9122| PID Reference Object Distance Geod. Az | HV9122| dddmmss.s | HV9122| HV9123 GPS 125 APPROX. 1.1 KM 0033716.9 | HV9122|---------------------------------------------------------------------| HV9122 HV9122 SUPERSEDED SURVEY CONTROL HV9122 HV9122 ELLIP H (11/14/94) 72.12 (m) GP( ) 4 2 HV9122 NAD 83(1993)- 38 58 51.01263(N) 077 18 19.95921(W) AD( ) 2 HV9122 NGVD 29 (09/10/92) 104.1 (m) 342. (f) GPS OBS HV9122 HV9122.Superseded values are not recommended for survey control. HV9122.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9122.See file dsdata.txt to determine how the superseded data were derived. HV9122 HV9122_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0029417178(NAD 83) HV9122_MARKER: DD = SURVEY DISK HV9122_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9122_SP_SET: CONCRETE POST HV9122_STAMPING: GPS 124 1991 HV9122_MARK LOGO: VA-059 HV9122_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT HV9122_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9122+STABILITY: SURFACE MOTION HV9122_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV9122+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV9122 HV9122 HISTORY - Date Condition Report By HV9122 HISTORY - 1991 MONUMENTED MSI HV9122 HISTORY - 19920129 GOOD MSI HV9122 HISTORY - 20020614 GOOD INDIV HV9122 HISTORY - 20020822 GOOD INDIV HV9122 HISTORY - 20050625 GOOD USPSQD HV9122 HV9122 STATION DESCRIPTION HV9122 HV9122'DESCRIBED BY MEASUREMENT SCIENCE INCORPORATED 1991 HV9122'THE STATION IS LOCATED IN FAIRFAX COUNTY, VIRGINIA, APPROXIMATELY 4.5 HV9122'MI (7.2 KM) NORTHEAST OF THE CITY OF HERNDON. TO REACH THE STATION HV9122'FROM THE INTERSECTION OF LEESBURG PIKE (S.R. 7) AND SPRINGVALE ROAD HV9122'(S.R. 674), PROCEED NORTH ALONG SPRINGVALE ROAD FOR APPROXIMATELY 0.4 HV9122'MI (0.6 KM) TO THE INTERSECTION WITH BREVITY DRIVE (S.R. 5970), TURN HV9122'RIGHT ONTO BREVITY DRIVE AND TRAVEL EAST FOR 0.2 MI (0.3 KM) TO THE HV9122'INTERSECTION WITH CHALLEDON ROAD (S.R. 5971). TURN RIGHT AND PROCEED HV9122'SOUTH FOR 0.3 MI (0.5 KM) ALONG CHALLEDON ROAD TO THE INTERSECTION HV9122'WITH ECLIPSE LANE (S.R. 5974) AND THE STATION ON THE RIGHT. HV9122'THE STATION IS A FAIRFAX COUNTY DISK SET IN THE TOP OF A CONCRETE HV9122'MONUMENT APPROXIMATELY FLUSH WITH THE GROUND SURFACE, STAMPED GPS HV9122'124 1991. THE DISK IS LOCATED NORTHWEST OF THE INTERSECTION 46.0 FT HV9122'(14.0 M) NORTHEAST OF A CABLE PEDESTAL, 31.5 FT (9.6 M) SOUTHWEST OF HV9122'THE INTERSECTION OF THE SOUTHERN EDGE OF AN ASPHALT DRIVEWAY AND HV9122'CHALLEDON ROAD, AND 31.0 FT (9.4 M) NORTHWEST OF THE CENTER LINE OF HV9122'CHALLEDON ROAD. HV9122 HV9122 STATION RECOVERY (1992) HV9122 HV9122'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV9122'RECOVERED IN GOOD CONDITION. HV9122 HV9122 STATION RECOVERY (2002) HV9122 HV9122'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (REH) HV9122'RECOVERED AS DESCRIBED HV9122 HV9122 STATION RECOVERY (2002) HV9122 HV9122'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (APC) HV9122'STATION LOCATED IN LAWN IN FRONT OF RESIDENCE AT 1116 CHALEDON LANE. HV9122 HV9122 STATION RECOVERY (2005) HV9122 HV9122'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV9122'N 38 58.852 HV9122'W 077 18.333 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV9123 *********************************************************************** HV9123 DESIGNATION - GPS 125 HV9123 PID - HV9123 HV9123 STATE/COUNTY- VA/FAIRFAX HV9123 USGS QUAD - VIENNA (1994) HV9123 HV9123 *CURRENT SURVEY CONTROL HV9123 ___________________________________________________________________ HV9123* NAD 83(1993)- 38 59 26.11183(N) 077 18 17.11042(W) ADJUSTED HV9123* NAVD 88 - 108.476 (meters) 355.89 (feet) ADJUSTED HV9123 ___________________________________________________________________ HV9123 X - 1,090,924.656 (meters) COMP HV9123 Y - -4,842,687.528 (meters) COMP HV9123 Z - 3,991,553.156 (meters) COMP HV9123 LAPLACE CORR- 1.43 (seconds) DEFLEC99 HV9123 ELLIP HEIGHT- 76.81 (meters) (05/17/02) GPS OBS HV9123 GEOID HEIGHT- -31.70 (meters) GEOID03 HV9123 DYNAMIC HT - 108.419 (meters) 355.70 (feet) COMP HV9123 MODELED GRAV- 980,097.3 (mgal) NAVD 88 HV9123 HV9123 HORZ ORDER - SECOND HV9123 VERT ORDER - THIRD HV9123 ELLP ORDER - FOURTH CLASS II HV9123 HV9123.The horizontal coordinates were established by GPS observations HV9123.and adjusted by the National Geodetic Survey in November 1994. HV9123 HV9123.The orthometric height was determined by differential leveling HV9123.and adjusted by the National Geodetic Survey in September 2004. HV9123.No vertical observational check was made to the station. HV9123 HV9123.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9123 HV9123.The Laplace correction was computed from DEFLEC99 derived deflections. HV9123 HV9123.The ellipsoidal height was determined by GPS observations HV9123.and is referenced to NAD 83. HV9123 HV9123.The geoid height was determined by GEOID03. HV9123 HV9123.The dynamic height is computed by dividing the NAVD 88 HV9123.geopotential number by the normal gravity value computed on the HV9123.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV9123.degrees latitude (g = 980.6199 gals.). HV9123 HV9123.The modeled gravity was interpolated from observed gravity values. HV9123 HV9123; North East Units Scale Factor Converg. HV9123;SPC VA N - 2,147,630.315 3,603,547.597 MT 0.99996954 +0 44 45.5 HV9123;SPC MD - 147,005.297 373,598.175 MT 0.99995185 -0 11 28.6 HV9123;SPC MD - 482,299.88 1,225,713.35 sFT 0.99995185 -0 11 28.6 HV9123;UTM 18 - 4,318,258.759 300,389.633 MT 1.00009065 -1 27 02.2 HV9123 HV9123! - Elev Factor x Scale Factor = Combined Factor HV9123!SPC VA N - 0.99998795 x 0.99996954 = 0.99995749 HV9123!SPC MD - 0.99998795 x 0.99995185 = 0.99993980 HV9123!UTM 18 - 0.99998795 x 1.00009065 = 1.00007860 HV9123 HV9123: Primary Azimuth Mark Grid Az HV9123:SPC VA N - GPS 126 350 58 17.2 HV9123:SPC MD - GPS 126 351 54 31.3 HV9123:UTM 18 - GPS 126 353 10 04.9 HV9123 HV9123|---------------------------------------------------------------------| HV9123| PID Reference Object Distance Geod. Az | HV9123| dddmmss.s | HV9123| HV9124 GPS 126 APPROX. 0.9 KM 3514302.7 | HV9123|---------------------------------------------------------------------| HV9123 HV9123 SUPERSEDED SURVEY CONTROL HV9123 HV9123 ELLIP H (11/14/94) 76.72 (m) GP( ) 4 2 HV9123 NAD 83(1993)- 38 59 26.11102(N) 077 18 17.11258(W) AD( ) 2 HV9123 NGVD 29 (09/10/92) 108.7 (m) 357. (f) GPS OBS HV9123 HV9123.Superseded values are not recommended for survey control. HV9123.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9123.See file dsdata.txt to determine how the superseded data were derived. HV9123 HV9123_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0039018259(NAD 83) HV9123_MARKER: DD = SURVEY DISK HV9123_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9123_SP_SET: CONCRETE POST HV9123_STAMPING: GPS 125 1991 HV9123_MARK LOGO: VA-059 HV9123_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT HV9123_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9123+STABILITY: SURFACE MOTION HV9123_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV9123+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV9123 HV9123 HISTORY - Date Condition Report By HV9123 HISTORY - 1991 MONUMENTED MSI HV9123 HISTORY - 19920129 GOOD MSI HV9123 HISTORY - 20020822 GOOD INDIV HV9123 HISTORY - 20030309 GOOD INDIV HV9123 HISTORY - 20030411 GOOD BOWMAN HV9123 HISTORY - 20050625 GOOD USPSQD HV9123 HV9123 STATION DESCRIPTION HV9123 HV9123'DESCRIBED BY MEASUREMENT SCIENCE INCORPORATED 1991 HV9123'THE STATION IS LOCATED IN FAIRFAX COUNTY, VIRGINIA, APPROXIMATELY 4.5 HV9123'MI (7.2 KM) NORTHEAST OF THE CITY OF HERNDON. TO REACH THE STATION HV9123'FROM THE INTERSECTION OF LEESBURG PIKE (S.R. 7) AND SPRINGVALE ROAD HV9123'(S.R. 674), PROCEED NORTH ALONG SPRINGVALE ROAD FOR APPROXIMATELY 0.4 HV9123'MI (0.6 KM) TO THE INTERSECTION WITH BREVITY DRIVE (S.R. 5970), TURN HV9123'RIGHT ONTO BREVITY DRIVE AND TRAVEL EAST FOR 0.2 MI (0.3 KM) TO THE HV9123'INTERSECTION WITH CHALLEDON ROAD (S.R. 5971). TURN LEFT AND PROCEED HV9123'NORTH FOR 0.1 MI (0.2 KM) ALONG CHALLEDON ROAD TO THE INTERSECTION HV9123'WITH SHESUE STREET (S.R. 5651). TURN RIGHT AND PROCEED EAST ALONG HV9123'SHESUE STREET FOR 0.3 MI (0.5 KM) TO THE INTERSECTION WITH JAYSMITH HV9123'STREET (S.R. 5652). TURN LEFT ONTO JAYSMITH STREET AND PROCEED 0.3 MI HV9123'(0.5 KM) NORTHWEST TO THE STATION ON THE RIGHT. HV9123'THE STATION IS A FAIRFAX COUNTY DISK SET IN THE TOP OF A CONCRETE HV9123'MONUMENT APPROXIMATELY FLUSH WITH THE GROUND SURFACE, STAMPED GPS HV9123'125 1991. THE DISK IS LOCATED ALONG THE EAST SIDE OF JAYSMITH HV9123'STREET, 70.3 FT (21.4 M) NORTHWEST OF A GAS PIPELINE MARKER, 50.2 FT HV9123'(15.3 M) WEST OF ANOTHER GAS PIPELINE MARKER, 8.6 FT (2.6 M) HV9123'NORTHWEST OF A TELEPHONE PEDESTAL, AND 8.3 FT (2.5 M) EAST OF THE BACK HV9123'OF THE EASTERN CURB OF JAYSMITH STREET. HV9123 HV9123 STATION RECOVERY (1992) HV9123 HV9123'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV9123'RECOVERED IN GOOD CONDITION. HV9123 HV9123 STATION RECOVERY (2002) HV9123 HV9123'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2002 (APC) HV9123'STATION LOCATED DIRECTLY ACROSS STREET FROM 914 JAYSMITH STREET AND HV9123'MARKED BY PAINTED LABEL IN STREET. HV9123 HV9123 STATION RECOVERY (2003) HV9123 HV9123'RECOVERY NOTE BY INDIVIDUAL CONTRIBUTORS 2003 (PJT) HV9123'RECOVERED AS DESCRIBED, HV9123 HV9123 STATION RECOVERY (2003) HV9123 HV9123'RECOVERY NOTE BY BOWMAN CONSULTING GROUP 2003 (PJT) HV9123'RECOVERED AS DESCRIBED HV9123 HV9123 STATION RECOVERY (2005) HV9123 HV9123'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV9123'N 38 59.435 HV9123'W 077 18.284 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV9124 *********************************************************************** HV9124 DESIGNATION - GPS 126 HV9124 PID - HV9124 HV9124 STATE/COUNTY- VA/FAIRFAX HV9124 USGS QUAD - VIENNA (1994) HV9124 HV9124 *CURRENT SURVEY CONTROL HV9124 ___________________________________________________________________ HV9124* NAD 83(1993)- 38 59 55.80990(N) 077 18 22.65077(W) ADJUSTED HV9124* NAVD 88 - 103.076 (meters) 338.18 (feet) ADJUSTED HV9124 ___________________________________________________________________ HV9124 X - 1,090,667.026 (meters) COMP HV9124 Y - -4,842,150.544 (meters) COMP HV9124 Z - 3,992,261.550 (meters) COMP HV9124 LAPLACE CORR- 1.69 (seconds) DEFLEC99 HV9124 ELLIP HEIGHT- 71.42 (meters) (05/17/02) GPS OBS HV9124 GEOID HEIGHT- -31.70 (meters) GEOID03 HV9124 DYNAMIC HT - 103.021 (meters) 337.99 (feet) COMP HV9124 MODELED GRAV- 980,097.5 (mgal) NAVD 88 HV9124 HV9124 HORZ ORDER - SECOND HV9124 VERT ORDER - THIRD HV9124 ELLP ORDER - FOURTH CLASS II HV9124 HV9124.The horizontal coordinates were established by GPS observations HV9124.and adjusted by the National Geodetic Survey in November 1994. HV9124 HV9124.The orthometric height was determined by differential leveling HV9124.and adjusted by the National Geodetic Survey in September 2004. HV9124 HV9124.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV9124 HV9124.The Laplace correction was computed from DEFLEC99 derived deflections. HV9124 HV9124.The ellipsoidal height was determined by GPS observations HV9124.and is referenced to NAD 83. HV9124 HV9124.The geoid height was determined by GEOID03. HV9124 HV9124.The dynamic height is computed by dividing the NAVD 88 HV9124.geopotential number by the normal gravity value computed on the HV9124.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV9124.degrees latitude (g = 980.6199 gals.). HV9124 HV9124.The modeled gravity was interpolated from observed gravity values. HV9124 HV9124; North East Units Scale Factor Converg. HV9124;SPC VA N - 2,148,544.293 3,603,402.370 MT 0.99997049 +0 44 42.1 HV9124;SPC MD - 147,921.512 373,467.921 MT 0.99995215 -0 11 32.1 HV9124;SPC MD - 485,305.83 1,225,286.00 sFT 0.99995215 -0 11 32.1 HV9124;UTM 18 - 4,319,177.743 300,279.533 MT 1.00009119 -1 27 06.6 HV9124 HV9124! - Elev Factor x Scale Factor = Combined Factor HV9124!SPC VA N - 0.99998879 x 0.99997049 = 0.99995928 HV9124!SPC MD - 0.99998879 x 0.99995215 = 0.99994095 HV9124!UTM 18 - 0.99998879 x 1.00009119 = 1.00007998 HV9124 HV9124: Primary Azimuth Mark Grid Az HV9124:SPC VA N - GPS 127 006 22 17.1 HV9124:SPC MD - GPS 127 007 18 31.3 HV9124:UTM 18 - GPS 127 008 34 05.8 HV9124 HV9124|---------------------------------------------------------------------| HV9124| PID Reference Object Distance Geod. Az | HV9124| dddmmss.s | HV9124| JV6957 GPS 127 APPROX. 1.4 KM 0070659.2 | HV9124|---------------------------------------------------------------------| HV9124 HV9124 SUPERSEDED SURVEY CONTROL HV9124 HV9124 ELLIP H (11/14/94) 71.32 (m) GP( ) 4 2 HV9124 NAD 83(1993)- 38 59 55.80923(N) 077 18 22.65261(W) AD( ) 2 HV9124 NGVD 29 (09/10/92) 103.3 (m) 339. (f) GPS OBS HV9124 HV9124.Superseded values are not recommended for survey control. HV9124.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV9124.See file dsdata.txt to determine how the superseded data were derived. HV9124 HV9124_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0028019178(NAD 83) HV9124_MARKER: DD = SURVEY DISK HV9124_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV9124_SP_SET: CONCRETE POST HV9124_STAMPING: GPS 126 1991 HV9124_MARK LOGO: VA-059 HV9124_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT HV9124_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV9124+STABILITY: SURFACE MOTION HV9124_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV9124+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV9124 HV9124 HISTORY - Date Condition Report By HV9124 HISTORY - 1991 MONUMENTED MSI HV9124 HISTORY - 19920129 GOOD MSI HV9124 HISTORY - 20020809 GOOD GEOCAC HV9124 HISTORY - 20050625 GOOD USPSQD HV9124 HV9124 STATION DESCRIPTION HV9124 HV9124'DESCRIBED BY MEASUREMENT SCIENCE INCORPORATED 1991 HV9124'THE STATION IS LOCATED IN FAIRFAX COUNTY, VIRGINIA, APPROXIMATELY 4.5 HV9124'MI (7.2 KM) NORTHEAST OF THE CITY OF HERNDON. TO REACH THE STATION HV9124'FROM THE INTERSECTION OF GEORGETOWN PIKE (S.R. 193) AND SPRINGVALE HV9124'ROAD (S.R. 674), PROCEED EAST ALONG GEORGETOWN PIKE FOR APPROXIMATELY HV9124'0.4 MI (0.6 KM) TO THE STATION ON THE LEFT. HV9124'THE STATION IS A FAIRFAX COUNTY DISK SET IN THE TOP OF A CONCRETE HV9124'MONUMENT APPROXIMATELY FLUSH WITH THE GROUND SURFACE, STAMPED GPS HV9124'126 1991. THE DISK IS LOCATED ALONG THE NORTH SIDE OF GEORGETOWN HV9124'PIKE, NEAR A WOOD POST AND RAIL FENCE, 41.6 FT (12.7 M) NORTHWEST OF HV9124'VEPCO POWER POLE NUMBER PO-44, 9.7 FT (3.0 M) NORTH OF THE NORTHERN HV9124'EDGE OF THE PAVEMENT OF GEORGETOWN PIKE, AND 6.2 FT (1.9 M) SOUTH OF HV9124'THE WOOD POST AND RAIL FENCE. HV9124 HV9124 STATION RECOVERY (1992) HV9124 HV9124'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV9124'RECOVERED IN GOOD CONDITION. HV9124 HV9124 STATION RECOVERY (2002) HV9124 HV9124'RECOVERY NOTE BY GEOCACHING 2002 (APC) HV9124'STATION IS LCOATED APPROXIMATELY 160 FEET EAST OF GOULDMAN LANE, IN HV9124'LAWN ABOUT MIDWAY BETWEEN WOOD FENCE AND NORTH EDGE OF PAVEMENT OF HV9124'ROUTE 193. HV9124 HV9124 STATION RECOVERY (2005) HV9124 HV9124'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV9124'N 38 59.930 HV9124'W 077 18.378 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV8448 *********************************************************************** HV8448 DESIGNATION - HARR HV8448 PID - HV8448 HV8448 STATE/COUNTY- VA/FAIRFAX HV8448 USGS QUAD - VIENNA (1994) HV8448 HV8448 *CURRENT SURVEY CONTROL HV8448 ___________________________________________________________________ HV8448* NAD 83(1993)- 38 59 03.51995(N) 077 17 43.75863(W) ADJUSTED HV8448* NAVD 88 - 99.0 (meters) 325. (feet) VERTCON HV8448 ___________________________________________________________________ HV8448 LAPLACE CORR- 1.03 (seconds) DEFLEC99 HV8448 GEOID HEIGHT- -31.70 (meters) GEOID03 HV8448 HV8448 HORZ ORDER - SECOND HV8448 HV8448.The horizontal coordinates were established by classical geodetic methods HV8448.and adjusted by the National Geodetic Survey in November 1994. HV8448 HV8448.The NAVD 88 height was computed by applying the VERTCON shift value to HV8448.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV8448 HV8448.The Laplace correction was computed from DEFLEC99 derived deflections. HV8448 HV8448.The geoid height was determined by GEOID03. HV8448 HV8448; North East Units Scale Factor Converg. HV8448;SPC VA N - 2,146,944.208 3,604,359.291 MT 0.99996883 +0 45 06.3 HV8448;SPC MD - 146,306.017 374,398.524 MT 0.99995164 -0 11 07.7 HV8448;SPC MD - 480,005.66 1,228,339.16 sFT 0.99995164 -0 11 07.7 HV8448;UTM 18 - 4,317,541.962 301,174.529 MT 1.00008680 -1 26 40.5 HV8448 HV8448! - Elev Factor x Scale Factor = Combined Factor HV8448!SPC VA N - 0.99998944 x 0.99996883 = 0.99995827 HV8448!SPC MD - 0.99998944 x 0.99995164 = 0.99994108 HV8448!UTM 18 - 0.99998944 x 1.00008680 = 1.00007624 HV8448 HV8448 SUPERSEDED SURVEY CONTROL HV8448 HV8448 NAD 83(1993)- 38 59 03.52003(N) 077 17 43.75893(W) AD( ) 2 HV8448 NAD 83(1986)- 38 59 03.51980(N) 077 17 43.76899(W) AD( ) 2 HV8448 NGVD 29 (01/12/90) 99.2 (m) 325. (f) VERT ANG HV8448 HV8448.Superseded values are not recommended for survey control. HV8448.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8448.See file dsdata.txt to determine how the superseded data were derived. HV8448 HV8448_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0117517542(NAD 83) HV8448_MARKER: X = CHISELED CROSS HV8448_SETTING: 0 = UNSPECIFIED SETTING HV8448_MAGNETIC: O = OTHER; SEE DESCRIPTION HV8448_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV8448 HV8448 HISTORY - Date Condition Report By HV8448 HISTORY - 1975 MONUMENTED VA-059 HV8448 HISTORY - 20050625 MARK NOT FOUND USPSQD HV8448 HV8448 STATION DESCRIPTION HV8448 HV8448'DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1975 (WTL) HV8448'THE STATION IS LOCATED ABOUT 2.94 MILES SOUTHEAST OF DRAINSVILLE, THE HV8448'INTERSECTION OF ROUTE 7 AND OLD GEORGETOWN PIKE AND 1.02 MILES SOUTH HV8448'OF GREAT FALLS ON HARRIMAN STREET. SEE FAIRFAX COUNTY TAX MAP 12-4. HV8448' HV8448'TO REACH THE STATION FROM THE INTERSECTION OF GEORGETOWN PIKE, ROUTE HV8448'193, AND WALKER ROAD, ROUTE 681, IN GREAT FALLS, PROCEED SOUTH ON HV8448'WALKER ROAD FOR 1.4 MILES TO HARRIMAN STREET ON THE RIGHT, NORTHWEST. HV8448'TURN ON HARRIMAN STREET AND PROCEED 0.2 MILES TO STATION HARR ON THE HV8448'RIGHT IN THE EDGE OF PAVEMENT IN FRONT OF HOUSE NUMBER 1021 HARRIMAN HV8448'STREET. HV8448' HV8448'THE STATION IS A RAILROAD SPIKE WITH STAR DRILL PUNCH IN THE TOP OF HV8448'THE ASPHALT PAVEMENT LOCATED 17. FEET NE FROM SOUTHERLY EDGE OF HV8448'HARRIMAN DRIVE AND 9 FEET N FROM THE CENTERLINE OF HARRIMAN DRIVE. HV8448' HV8448'REFERENCE MARK NO. 01 IS THE CENTER OF THE WELL CAP IN THE FRONT YARD HV8448'OF HOUSE NUMBER 1021 HARRIMAN STREET LOCATED 45 FEET N FROM THE HV8448'CENTERLINE OF HARRIMAN STREET. HV8448' HV8448'REFERENCE MARK NO. 02 IS A PK NAIL IN VEPCO POLE NUMBER BD-38 IN FRONT HV8448'YARD OF HOUSE NUMBER 1021 HARRIMAN STREET LOCATED 18 FEET N FROM THE HV8448'CENTERLINE OF HARRIMAN STREET. HV8448 HV8448 STATION RECOVERY (2005) HV8448 HV8448'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV8448'MARK NOT FOUND 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV8568 *********************************************************************** HV8568 DESIGNATION - MINE HV8568 PID - HV8568 HV8568 STATE/COUNTY- VA/FAIRFAX HV8568 USGS QUAD - VIENNA (1994) HV8568 HV8568 *CURRENT SURVEY CONTROL HV8568 ___________________________________________________________________ HV8568* NAD 83(1993)- 38 59 32.97423(N) 077 16 36.40465(W) ADJUSTED HV8568* NAVD 88 - 99.796 (meters) 327.41 (feet) ADJUSTED HV8568 ___________________________________________________________________ HV8568 LAPLACE CORR- 0.61 (seconds) DEFLEC99 HV8568 GEOID HEIGHT- -31.69 (meters) GEOID03 HV8568 DYNAMIC HT - 99.744 (meters) 327.24 (feet) COMP HV8568 MODELED GRAV- 980,105.7 (mgal) NAVD 88 HV8568 HV8568 HORZ ORDER - SECOND HV8568 VERT ORDER - THIRD HV8568 HV8568.The horizontal coordinates were established by classical geodetic methods HV8568.and adjusted by the National Geodetic Survey in November 1994. HV8568 HV8568.The orthometric height was determined by differential leveling HV8568.and adjusted by the National Geodetic Survey in September 2004. HV8568.No vertical observational check was made to the station. HV8568 HV8568.The Laplace correction was computed from DEFLEC99 derived deflections. HV8568 HV8568.The geoid height was determined by GEOID03. HV8568 HV8568.The dynamic height is computed by dividing the NAVD 88 HV8568.geopotential number by the normal gravity value computed on the HV8568.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV8568.degrees latitude (g = 980.6199 gals.). HV8568 HV8568.The modeled gravity was interpolated from observed gravity values. HV8568 HV8568; North East Units Scale Factor Converg. HV8568;SPC VA N - 2,147,873.832 3,605,968.086 MT 0.99996976 +0 45 48.4 HV8568;SPC MD - 147,209.187 376,022.281 MT 0.99995191 -0 10 25.4 HV8568;SPC MD - 482,968.81 1,233,666.43 sFT 0.99995191 -0 10 25.4 HV8568;UTM 18 - 4,318,409.343 302,817.957 MT 1.00007878 -1 25 59.0 HV8568 HV8568! - Elev Factor x Scale Factor = Combined Factor HV8568!SPC VA N - 0.99998931 x 0.99996976 = 0.99995907 HV8568!SPC MD - 0.99998931 x 0.99995191 = 0.99994122 HV8568!UTM 18 - 0.99998931 x 1.00007878 = 1.00006809 HV8568 HV8568 SUPERSEDED SURVEY CONTROL HV8568 HV8568 NAD 83(1993)- 38 59 32.97383(N) 077 16 36.40553(W) AD( ) 2 HV8568 NAD 83(1986)- 38 59 32.97393(N) 077 16 36.41471(W) AD( ) 2 HV8568 NGVD 29 (01/12/90) 100.2 (m) 329. (f) VERT ANG HV8568 HV8568.Superseded values are not recommended for survey control. HV8568.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8568.See file dsdata.txt to determine how the superseded data were derived. HV8568 HV8568_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0281818409(NAD 83) HV8568_MARKER: DD = SURVEY DISK HV8568_SETTING: 4 = OBJECT SURROUNDED BY MASS OF CONCRETE HV8568_SP_SET: IRREGULAR CONCRETE MASS HV8568_STAMPING: MINE 1969 HV8568_MARK LOGO: VA-059 HV8568_MAGNETIC: O = OTHER; SEE DESCRIPTION HV8568_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV8568_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV8568+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV8568 HV8568 HISTORY - Date Condition Report By HV8568 HISTORY - 1969 MONUMENTED VA-059 HV8568 HISTORY - 1969 GOOD VA-059 HV8568 HISTORY - 1975 GOOD VA-059 HV8568 HISTORY - 1978 GOOD VA-059 HV8568 HISTORY - 19920122 GOOD MSI HV8568 HISTORY - 20020822 GOOD GEOCAC HV8568 HISTORY - 20050625 GOOD USPSQD HV8568 HV8568 STATION DESCRIPTION HV8568 HV8568'DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1969 (HWC) HV8568'THE STATION IS IN THE SOUTHWEST RIGHT-OF-WAY OF OLD GEORGETOWN PIKE, HV8568'ROUTE 193, AND 0.7 MILES SOUTHEAST OF GREAT FALLS. HV8568' HV8568'TO REACH THE STATION FROM THE INTERSECTION OF WALKER ROAD (ROUTE 681) HV8568'AND ROUTE 193 (IN GREAT FALLS), PROCEED SOUTHEAST ON ROUTE 193, 0.3 HV8568'MILES TO AZIMUTH MARK ON LEFT AND CONTINUE 0.4 MILES TO STATION ON HV8568'THE RIGHT. THE STATION IS 17.8 FEET SOUTHWEST OF CENTER LINE OF OLD HV8568'GEORGETOWN PIKE, 65.8 FEET SOUTHEAST OF C AND P POLE 28, 25 FEET HV8568'NORTHWEST OF A FENCE CORNER, 3.7 FEET NORTHEAST OF A FENCE LINE, SET HV8568'IN A CONCRETE MASS. HV8568' HV8568'STATION IS A STANDARD FAIRFAX COUNTY DISK STAMPED---MINE 1969---. HV8568' HV8568'THE AZIMUTH MARK IS 22.3 FEET NORTHEAST OF CENTER LINE OLD GEORGETOWN HV8568'PIKE, 18 FEET NORTHWEST OF CENTER LINE GRAVEL DRIVEWAY, 3.5 FEET HV8568'SOUTHWEST OF A BOARD FENCE, SET IN A CONCRETE MASS. HV8568' HV8568'AZIMUTH MARK IS A STANDARD FAIRFAX COUNTY DISC STAMPED---MINE AZ HV8568'1969---. HV8568 HV8568 STATION RECOVERY (1969) HV8568 HV8568'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1969 HV8568'RECOVERED IN GOOD CONDITION. HV8568 HV8568 STATION RECOVERY (1975) HV8568 HV8568'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1975 (EYB) HV8568'THE STATION WAS RECOVERED IN GOOD CONDITION. SEE FAIRFAX COUNTY TAX HV8568'MAP 13-1. HV8568 HV8568 STATION RECOVERY (1978) HV8568 HV8568'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1978 (EYB) HV8568'THE STATION AND AZIMUTH MARK WAS RECOVERED IN GOOD CONDITION AS PER HV8568'THE ORIGINAL DESCRIPTION. HV8568 HV8568 STATION RECOVERY (1992) HV8568 HV8568'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV8568'THE STATION IS IN THE SOUTHWEST RIGHT-OF-WAY OF OLD GEORGETOWN PIKE, HV8568'ROUTE 193, AND 0.7 MILES (1.1 KM) SOUTHEAST OF GREAT FALLS. TO REACH HV8568'THE STATION FROM THE INTERSECTION OF WALKER ROAD (ROUTE 681) AND HV8568'ROUTE 193 (IN GREAT FALLS), PROCEED SOUTHEAST ON ROUTE 193, 0.3 MILES HV8568'(0.5 KM) TO AZIMUTH MARK ON LEFT AND CONTINUE 0.4 MILES (0.6 KM) TO HV8568'STATION ON THE RIGHT. THE STATION IS 17.8 FEET (5.4 M) SOUTHWEST OF HV8568'CENTER LINE OF OLD GEORGETOWN PIKE, 65.8 FEET (20.1 M) SOUTHEAST OF C HV8568'AND P POLE 28, 25 FEET (7.6 M) NORTHWEST OF A FENCE CORNER, 3.7 FEET HV8568'(1.1 M) NORTHEAST OF A FENCE LINE, SET IN A CONCRETE MASS. SEE HV8568'FAIRFAX COUNTY TAX MAP 13-1. HV8568 HV8568 STATION RECOVERY (2002) HV8568 HV8568'RECOVERY NOTE BY GEOCACHING 2002 (APC) HV8568'LOCATED AS DESCRIBED AND IN FRONT OF STONEGATE FARMS AT 9609 HV8568'GEORGETOWN PIKE, APPROX. 0.1 MILES EAST OF ROSSMORE COURT. HV8568 HV8568 STATION RECOVERY (2005) HV8568 HV8568'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV8568'N 38 59.551 HV8568'W 077 16.609 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV8569 *********************************************************************** HV8569 DESIGNATION - MINE AZ MK HV8569 PID - HV8569 HV8569 STATE/COUNTY- VA/FAIRFAX HV8569 USGS QUAD - VIENNA (1994) HV8569 HV8569 *CURRENT SURVEY CONTROL HV8569 ___________________________________________________________________ HV8569* NAD 83(1993)- 38 59 45.81786(N) 077 17 00.84053(W) ADJUSTED HV8569* NAVD 88 - 99.070 (meters) 325.03 (feet) ADJUSTED HV8569 ___________________________________________________________________ HV8569 LAPLACE CORR- 0.90 (seconds) DEFLEC99 HV8569 GEOID HEIGHT- -31.69 (meters) GEOID03 HV8569 DYNAMIC HT - 99.018 (meters) 324.86 (feet) COMP HV8569 MODELED GRAV- 980,104.1 (mgal) NAVD 88 HV8569 HV8569 HORZ ORDER - SECOND HV8569 VERT ORDER - THIRD HV8569 HV8569.The horizontal coordinates were established by classical geodetic methods HV8569.and adjusted by the National Geodetic Survey in November 1994. HV8569 HV8569.The orthometric height was determined by differential leveling HV8569.and adjusted by the National Geodetic Survey in September 2004. HV8569 HV8569.The Laplace correction was computed from DEFLEC99 derived deflections. HV8569 HV8569.The geoid height was determined by GEOID03. HV8569 HV8569.The dynamic height is computed by dividing the NAVD 88 HV8569.geopotential number by the normal gravity value computed on the HV8569.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV8569.degrees latitude (g = 980.6199 gals.). HV8569 HV8569.The modeled gravity was interpolated from observed gravity values. HV8569 HV8569; North East Units Scale Factor Converg. HV8569;SPC VA N - 2,148,262.039 3,605,374.848 MT 0.99997016 +0 45 33.1 HV8569;SPC MD - 147,607.038 375,435.482 MT 0.99995204 -0 10 40.7 HV8569;SPC MD - 484,274.09 1,231,741.24 sFT 0.99995204 -0 10 40.7 HV8569;UTM 18 - 4,318,820.047 302,239.970 MT 1.00008159 -1 26 14.8 HV8569 HV8569! - Elev Factor x Scale Factor = Combined Factor HV8569!SPC VA N - 0.99998943 x 0.99997016 = 0.99995959 HV8569!SPC MD - 0.99998943 x 0.99995204 = 0.99994147 HV8569!UTM 18 - 0.99998943 x 1.00008159 = 1.00007102 HV8569 HV8569 SUPERSEDED SURVEY CONTROL HV8569 HV8569 NAD 83(1993)- 38 59 45.81750(N) 077 17 00.84144(W) AD( ) 2 HV8569 NAD 83(1986)- 38 59 45.81750(N) 077 17 00.85083(W) AD( ) 2 HV8569 NGVD 29 (01/12/90) 99.4 (m) 326. (f) VERT ANG HV8569 HV8569.Superseded values are not recommended for survey control. HV8569.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8569.See file dsdata.txt to determine how the superseded data were derived. HV8569 HV8569_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ0224018820(NAD 83) HV8569_MARKER: DD = SURVEY DISK HV8569_SETTING: 4 = OBJECT SURROUNDED BY MASS OF CONCRETE HV8569_SP_SET: IRREGULAR CONCRETE MASS HV8569_STAMPING: MINE AZ 1969 HV8569_MARK LOGO: VA-059 HV8569_MAGNETIC: O = OTHER; SEE DESCRIPTION HV8569_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV8569_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV8569+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV8569 HV8569 HISTORY - Date Condition Report By HV8569 HISTORY - 1969 MONUMENTED VA-059 HV8569 HISTORY - 1975 GOOD VA-059 HV8569 HISTORY - 19920122 GOOD MSI HV8569 HISTORY - 20020822 GOOD GEOCAC HV8569 HISTORY - 20050625 GOOD USPSQD HV8569 HV8569 STATION DESCRIPTION HV8569 HV8569'DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1975 (EYB) HV8569'THE AZIMUTH MARK AND THE STATION WERE BOTH RECOVERED IN GOOD CONDITION HV8569'SEE FAIRFAX COUNTY TAX MAP 13-1. HV8569 HV8569 STATION RECOVERY (1992) HV8569 HV8569'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV8569'TO REACH AZIMUTH MARK FROM THE INTERSECTION OF WALKER ROAD (ROUTE HV8569'681) AND ROUTE 193 (IN GREAT FALLS), PROCEED SOUTHEAST ON ROUTE 193, HV8569'0.3 MILES (0.5 KM) TO MARK ON LEFT, 22.3 FEET (6.8 M) NORTHEAST OF HV8569'CENTER LINE OF GEORGETOWN PIKE, 18 FEET (5.5 M) NORTHWEST OF HV8569'CENTERLINE GRAVEL DRIVEWAY, 3.5 FEET (1.1 M) SOUTHWEST OF A BOARD HV8569'FENCE, IN A CONCRETE MASS. HV8569 HV8569 STATION RECOVERY (2002) HV8569 HV8569'RECOVERY NOTE BY GEOCACHING 2002 (APC) HV8569'STATION IS NORTHEAST OF AND ACROSS ROUTE 193 FROM THE DRIVEWAY AT 9801 HV8569'GEORGETOWN PIKE, APPROX. 0.05 MILE WEST OF BOEHMS COURT. HV8569 HV8569 STATION RECOVERY (2005) HV8569 HV8569'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV8569'N 38 59.764 HV8569'W 077 17.015 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV4621 *********************************************************************** HV4621 DESIGNATION - TEMPLE HV4621 PID - HV4621 HV4621 STATE/COUNTY- VA/FAIRFAX HV4621 USGS QUAD - ALEXANDRIA (1994) HV4621 HV4621 *CURRENT SURVEY CONTROL HV4621 ___________________________________________________________________ HV4621* NAD 83(1993)- 38 48 32.49696(N) 077 04 03.07734(W) ADJUSTED HV4621* NAVD 88 - 44.8 (meters) 147. (feet) VERTCON HV4621 ___________________________________________________________________ HV4621 X - 1,113,787.750 (meters) COMP HV4621 Y - -4,850,416.416 (meters) COMP HV4621 Z - 3,975,826.808 (meters) COMP HV4621 LAPLACE CORR- -3.00 (seconds) DEFLEC99 HV4621 ELLIP HEIGHT- 12.71 (meters) (05/17/02) GPS OBS HV4621 GEOID HEIGHT- -32.14 (meters) GEOID03 HV4621 HV4621 HORZ ORDER - FIRST HV4621 ELLP ORDER - FOURTH CLASS II HV4621 HV4621.The horizontal coordinates were established by classical geodetic methods HV4621.and adjusted by the National Geodetic Survey in November 1994. HV4621 HV4621.The NAVD 88 height was computed by applying the VERTCON shift value to HV4621.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) HV4621 HV4621.The X, Y, and Z were computed from the position and the ellipsoidal ht. HV4621 HV4621.The Laplace correction was computed from DEFLEC99 derived deflections. HV4621 HV4621.The ellipsoidal height was determined by GPS observations HV4621.and is referenced to NAD 83. HV4621 HV4621.The geoid height was determined by GEOID03. HV4621 HV4621; North East Units Scale Factor Converg. HV4621;SPC VA N - 2,127,772.102 3,624,412.567 MT 0.99995396 +0 53 38.5 HV4621;SPC MD - 126,808.809 394,135.457 MT 0.99995052 -0 02 32.6 HV4621;SPC MD - 416,038.57 1,293,092.75 sFT 0.99995052 -0 02 32.6 HV4621;UTM 18 - 4,297,614.889 320,480.983 MT 0.99999686 -1 17 46.0 HV4621 HV4621! - Elev Factor x Scale Factor = Combined Factor HV4621!SPC VA N - 0.99999801 x 0.99995396 = 0.99995197 HV4621!SPC MD - 0.99999801 x 0.99995052 = 0.99994853 HV4621!UTM 18 - 0.99999801 x 0.99999686 = 0.99999487 HV4621 HV4621: Primary Azimuth Mark Grid Az HV4621:SPC VA N - TEMPLE AZ MK 313 28 31.0 HV4621:SPC MD - TEMPLE AZ MK 314 24 42.1 HV4621:UTM 18 - TEMPLE AZ MK 315 39 55.5 HV4621 HV4621|---------------------------------------------------------------------| HV4621| PID Reference Object Distance Geod. Az | HV4621| dddmmss.s | HV4621| HV4681 ST ELIZABETHS ASYLUM AIR BCN APPROX. 7.8 KM 0490508.0 | HV4621| DC7626 TEMPLE RM 1 28.618 METERS 05257 | HV4621| HV4742 ALEXANDRIA GSA CENTER TANK APPROX. 2.6 KM 1204730.5 | HV4621| HV4631 ALEXANDRIA WASH MASON MEMORIAL 219.107 METERS 14050 | HV4621| DC7627 TEMPLE RM 2 AZIMUTH 1674221.3 | HV4621| HV4735 BELLE HAVEN FAIRFAX CO TANK APPROX. 2.6 KM 1740600.3 | HV4621| HV4600 NEW ALEXANDRIA TANK ON HILL APPROX. 2.7 KM 1742150.8 | HV4621| HV4584 GROVETON AIRWAY BEACON APPROX. 4.2 KM 1982801.0 | HV4621| HV4608 ALEXANDRIA EPIS THEO SEM SPIRE APPROX. 2.5 KM 3010208.6 | HV4621| HV9061 TEMPLE AZ MK 443.362 METERS 3142209.5 | HV4621| DC7628 TEMPLE RM 3 32.315 METERS 33017 | HV4621|---------------------------------------------------------------------| HV4621 HV4621 SUPERSEDED SURVEY CONTROL HV4621 HV4621 ELLIP H (09/27/93) 12.07 (m) GP( ) 4 1 HV4621 NAD 83(1993)- 38 48 32.49567(N) 077 04 03.07967(W) AD( ) 1 HV4621 NAD 83(1986)- 38 48 32.49509(N) 077 04 03.08952(W) AD( ) 1 HV4621 NAD 27 - 38 48 32.08855(N) 077 04 04.16809(W) AD( ) 1 HV4621 NGVD 29 (09/27/93) 45.1 (m) 148. (f) GPS OBS HV4621 HV4621.Superseded values are not recommended for survey control. HV4621.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV4621.See file dsdata.txt to determine how the superseded data were derived. HV4621 HV4621_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUH2048197615(NAD 83) HV4621_MARKER: DD = SURVEY DISK HV4621_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV4621_SP_SET: CONCRETE POST HV4621_STAMPING: TEMPLE 1934 HV4621_MARK LOGO: CGS HV4621_MAGNETIC: M = MARKER EQUIPPED WITH BAR MAGNET HV4621_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV4621+STABILITY: SURFACE MOTION HV4621_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV4621+SATELLITE: SATELLITE OBSERVATIONS - July 03, 2005 HV4621 HV4621 HISTORY - Date Condition Report By HV4621 HISTORY - 1934 MONUMENTED CGS HV4621 HISTORY - 1934 GOOD CGS HV4621 HISTORY - 1943 GOOD CGS HV4621 HISTORY - 1957 GOOD CGS HV4621 HISTORY - 1969 GOOD CGS HV4621 HISTORY - 1972 GOOD NGS HV4621 HISTORY - 1975 GOOD VA-059 HV4621 HISTORY - 19900115 GOOD RDA HV4621 HISTORY - 19911010 GOOD MSI HV4621 HISTORY - 20050703 GOOD GEOCAC HV4621 HV4621 STATION DESCRIPTION HV4621 HV4621'DESCRIBED BY COAST AND GEODETIC SURVEY 1934 (JB) HV4621'THE STATION IS LOCATED ON THE PROPERTY OF THE GEORGE WASHINGTON HV4621'MEMORIAL TEMPLE ASSOCIATION, IN A VACANT LOT NEAR THE NORTHERN HV4621'BOUNDARY OF THE PROPERTY, ABOUT 200 YARDS N OF THE MEMORIAL, HV4621'193 FEET S OF THE SW CORNER OF A BRICK GARAGE OWNED BY E.E. HV4621'SIMPSON, AND 135 FEET WSW OF A BRICK WALL AT THE BACK OF HV4621'THE HOME OF S.W. WASHINGTON. HV4621' HV4621'SURFACE, UNDERGROUND, AND REFERENCE MARKS ARE BRONZE DISKS HV4621'SET IN CONCRETE, AS DESCRIBED IN NOTES 1A, 7A, AND 11A. HV4621' HV4621'REFERENCE MARK NO. 1 IS 28.643 METERS NNE OF THE STATION, HV4621'57 FEET SSW OF THE SW CORNER OF E.E. SIMPSONS GARAGE, 42 HV4621'FEET SW OF THE BRICK WALL AT THE BACK OF THE HOME OF S.W. HV4621'WASHINGTON, AND ABOUT 6 PACES W OF THE CENTER LINE OF THE HV4621'ALLEY. HV4621' HV4621'REFERENCE MARK NO. 2 (AZIMUTH MARK) IS ABOUT 1 MILE SSE OF HV4621'THE STATION, ON U.S. HIGHWAY 1, 0.1 MILE W OF THE ROAD HV4621'LEADING TO FORT HUNT, AND ABOUT 11 PACES N OF THE CENTER LINE HV4621'OF U.S. HIGHWAY 1. HV4621' HV4621'REFERENCE MARK NO. 3 IS 32.377 METERS NNW OF THE STATION, HV4621'174 FEET SE OF CENTER OF CARLISLE AND HILLTOP TRAIL, AND 109.5 HV4621'FEET SW OF THE SW CORNER OF E.E. SIMPSONS GARAGE. HV4621' HV4621'TO REACH THE STATION FROM ALEXANDRIA GO NNW ON KING STREET, HV4621'GO AROUND THE MEMORIAL TO THE RIGHT ON KING STREET TO CARLISLE HV4621'DRIVE, TURN LEFT UP A HILL, AT THE TOP OF THE HILL TURN S HV4621'(LEFT) IN THE FIRST ALLEY WHICH IS USED FOR DELIVERY PURPOSES HV4621'AND GO ABOUT 75 YARDS TO THE STATION WHICH IS ON THE W SIDE HV4621'OF THE ALLEY. HV4621' HV4621'A 103-FOOT TOWER WILL CLEAR ALL LINES OBSERVED. HV4621 HV4621 STATION RECOVERY (1934) HV4621 HV4621'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1934 HV4621'RECOVERED IN GOOD CONDITION. HV4621 HV4621 STATION RECOVERY (1943) HV4621 HV4621'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1943 (FBQ) HV4621'THE STATION WAS RECOVERED AS DESCRIBED EXCEPT THAT THE AZIMUTH HV4621'MARK (REFERENCE MARK NO. 2) HAS BEEN DESTROYED BY HIGHWAY HV4621'CONSTRUCTION, AND THE DIRECTIONS TO REFERENCE MARK NO. 1 HV4621'AND REFERENCE MARK NO. 3 AS GIVEN ON THE RECONNAISSANCE HV4621'DESCRIPTION WERE REVERSED. COMPLETE DESCRIPTION FOLLOWS-- HV4621' HV4621'THE STATION IS IN THE NW PART OF ALEXANDRIA, NEAR THE CENTER HV4621'OF THE N SIDE OF THE GROUNDS OF THE GEORGE WASHINGTON MEMORIAL HV4621'ASSOCIATION AND ABOUT 200 YARDS N OF THE MEMORIAL BUILDING. HV4621'IT IS 193 FEET S OF THE SW CORNER OF THE BRICK GARAGE OF HV4621'E.E. SIMPSON AND 135 FEET WSW OF A BRICK WALL IN THE REAR HV4621'OF THE S.W. WASHINGTON HOUSE. THE STATION IS MARKED AS HV4621'DESCRIBED IN NOTES 1A AND 7A. IT IS STAMPED TEMPLE 1934 HV4621'AND PROJECTS 6 INCHES. HV4621' HV4621'REFERENCE MARK NO. 1, NOTE 11A, IS NNE OF THE STATION AND HV4621'57 FEET SSW OF THE SW CORNER OF THE BRICK GARAGE. IT IS HV4621'STAMPED TEMPLE NO. 1 1934 AND PROJECTS 6 INCHES. HV4621' HV4621'REFERENCE MARK NO. 3, NOTE 11A, IS NE OF THE STATION AND HV4621'109 FEET SW OF THE SW CORNER OF THE BRICK GARAGE. IT IS HV4621'STAMPED TEMPLE NO. 3 1934 AND PROJECTS 6 INCHES. HV4621' HV4621'THE AZIMUTH MARK IS ABOUT 0.25 MILE NW OF THE STATION AT HV4621'THE INTERSECTION OF HILLTOP TERRACE AND WESTVIEW TERRACE. HV4621'IT IS 10 FEET N OF THE INTERSECTION OF THE CENTER LINES HV4621'OF THE TWO STREETS, 12 FEET NNW OF THE CENTER LINE OF WESTVIEW HV4621'TERRACE AND 6 FEET S OF A SIDEWALK. IT IS MARKED AS DESCRIBED HV4621'IN NOTE 11A, IS STAMPED TEMPLE 1943, AND IS FLUSH WITH THE HV4621'SURFACE OF THE GROUND. HV4621' HV4621'A 103-FOOT SIGNAL AT LACY IS VISIBLE AT 90 FEET. A 90-FOOT HV4621'SIGNAL AT PLEASANT IS VISIBLE AT 103 FEET. HV4621 HV4621 STATION RECOVERY (1957) HV4621 HV4621'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1957 (FAR) HV4621'STATION MARK, REFERENCE MARK NO. 1, REFERENCE MARK NO. 3 HV4621'AND THE AZIMUTH MARK WERE RECOVERED AND FOUND TO BE IN GOOD HV4621'CONDITION. HV4621' HV4621'FOLLOWING IS A NEW AND COMPLETE DESCRIPTION. HV4621' HV4621'STATION IS IN THE NORTHWEST PART OF ALEXANDRIA, NEAR THE HV4621'CENTER OF THE NORTH SIDE OF THE GROUNDS OF THE GEORGE WASHINGTON HV4621'MEMORIAL ASSOCIATION AND ABOUT 200 YARDS NORTH OF THE MEMORIAL HV4621'BUILDING. HV4621' HV4621'STATION MARK, A STANDARD DISK STAMPED TEMPLE 1934, IS SET HV4621'IN A SQUARE CONCRETE POST WHICH PROJECTS 1 INCH. IT IS 193 HV4621'FEET SOUTH OF THE SOUTHWEST CORNER OF A BRICK GARAGE, 135 HV4621'FEET WEST-SOUTHWEST OF A BRICK WALL AND 15.5 FEET EAST OF HV4621'A TWO FOOT OAK TREE. (NOTES 1A 7A) HV4621' HV4621'REFERENCE MARK NO. 1, A STANDARD DISK STAMPED TEMPLE NO 1 HV4621'1934, IS SET IN A SQUARE CONCRETE POST WHICH PROJECTS 4 HV4621'INCHES. IT IS 58 FEET SOUTH OF THE SOUTHWEST CORNER OF HV4621'A BRICK WALL AND 58 FEET WEST OF THE CENTER OF A SMALL METAL HV4621'GATE AT THE SOUTHEAST CORNER OF BRICK WALL. (NOTE 11A) HV4621' HV4621'REFERENCE MARK NO. 3, A STANDARD DISK STAMPED TEMPLE NO HV4621'3 1934, IS SET IN A SQUARE CONCRETE POST WHICH PROJECTS 4 INCHES. HV4621'IT IS 109 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF A BRICK HV4621'GARAGE. (NOTE 11A) HV4621' HV4621'AZIMUTH MARK, A STANDARD DISK STAMPED TEMPLE 1943, IS SET HV4621'IN A SQUARE CONCRETE POST WHICH IS FLUSH WITH THE SURFACE HV4621'OF THE GROUND. IT IS 41 FEET NORTH OF THE CENTER OF HILLTOP HV4621'TERRACE, 14 FEET WEST OF THE CENTER OF WEST VIEW TERRACE, HV4621'1 FOOT EAST OF THE EAST EDGE OF SIDEWALK AND IN THE LAWN BETWEEN HV4621'THE CURB AND THE SIDEWALK. IT IS ABOUT 0.25 MILE NORTHWEST HV4621'OF THE STATION AT THE INTERSECTION OF HILLTOP TERRACE AND HV4621'WEST VIEW TERRACE. (NOTE 16A) HV4621' HV4621'NOTE--OBSERVATIONS TAKEN FROM A 126 FOOT TOWER. HV4621 HV4621 STATION RECOVERY (1969) HV4621 HV4621'RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1969 (JBJ) HV4621'THE STATION MARK, REFERENCE MARK 3 AND THE AZIMUTH MARK WERE HV4621'RECOVERED IN GOOD CONDITION. REFERENCE MARK 1 HAD BEEN DESTROYED. HV4621'THIS STATION WAS NOT OCCUPIED DUE TO THE OBJECTIONS OF THE HV4621'CARETAKER. TRIANGULATION STATION MASONIC WAS ESTABLISHED NEARBY, HV4621'A GEODIMETER TRAVERSE CONNECTION WAS MADE TO STATION MASONIC, THE HV4621'DISTANCE BEING 201.463 METERS OR (660.97 FEET) SOUTHEAST. HV4621' HV4621'AIRLINE DISTANCE AND DIRECTION FROM NEAREST TOWN--IN ALEXANDRIA. HV4621 HV4621 STATION RECOVERY (1972) HV4621 HV4621'RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1972 (RDO) HV4621'THE STATION MARK, RM 3, AND THE AZIMUTH MARK WERE ALL RECOVERED IN HV4621'GOOD CONDITION AS DESCRIBED. RM 1S CONCRETE MONUMENT WAS FOUND, HV4621'BROKEN OFF AND WITH THE DISC MISSING. HV4621 HV4621 STATION RECOVERY (1975) HV4621 HV4621'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1975 (EYB) HV4621'BOTH THE STATION AND THE AZIMUTH MARK WERE RECOVERED IN GOOD HV4621'CONDITION. THE REFERENCE MARKS WERE NOT SEARCHED FOR. HV4621 HV4621 STATION RECOVERY (1990) HV4621 HV4621'RECOVERY NOTE BY RINKER DETWILER AND ASSOCIATES 1990 HV4621'RECOVERED IN GOOD CONDITION. HV4621 HV4621 STATION RECOVERY (1991) HV4621 HV4621'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1991 HV4621'RECOVERED IN GOOD CONDITION. HV4621 HV4621 STATION RECOVERY (2005) HV4621 HV4621'RECOVERY NOTE BY GEOCACHING 2005 (APC) HV4621'MARK FOUND UNDER THE CANOPY OF A LARGE AND PROMINENT OAK TREE ON THE HV4621'PROPERTY OF AND BEHIND (NORTHWEST OF) THE GEORGE WASHINGTON MASONIC HV4621'MEMORIAL. THE TREE IS ROUGHLY ALIGNED WITH HILLTOP TERRACE, WHICH HV4621'DEAD-ENDS AT THE REAR OF THE MASONIC MEMORIAL PROPERTY. HV4621' HV4621'STATION IS ABOUT 14 FEET EAST OF THE TREE, AND ABOUT 120 FEET HV4621'SOUTHWEST OF A FENCE ALONGSIDE AN ALLEY KNOWN AS RIDGE LANE, AND ABOUT HV4621'380 FEET NORTHWEST OF THE NORTHERNMOST POINT OF THE PARKING LOT. 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV2834 *********************************************************************** HV2834 DESIGNATION - V 162 HV2834 PID - HV2834 HV2834 STATE/COUNTY- VA/FAIRFAX HV2834 USGS QUAD - VIENNA (1994) HV2834 HV2834 *CURRENT SURVEY CONTROL HV2834 ___________________________________________________________________ HV2834* NAD 83(1986)- 38 59 57. (N) 077 15 45. (W) SCALED HV2834* NAVD 88 - 65.078 (meters) 213.51 (feet) ADJUSTED HV2834 ___________________________________________________________________ HV2834 GEOID HEIGHT- -31.68 (meters) GEOID03 HV2834 DYNAMIC HT - 65.045 (meters) 213.40 (feet) COMP HV2834 MODELED GRAV- 980,111.2 (mgal) NAVD 88 HV2834 HV2834 VERT ORDER - THIRD HV2834 HV2834.The horizontal coordinates were scaled from a topographic map and have HV2834.an estimated accuracy of +/- 6 seconds. HV2834 HV2834.The orthometric height was determined by differential leveling HV2834.and adjusted by the National Geodetic Survey in September 2004. HV2834.No vertical observational check was made to the station. HV2834 HV2834.The geoid height was determined by GEOID03. HV2834 HV2834.The dynamic height is computed by dividing the NAVD 88 HV2834.geopotential number by the normal gravity value computed on the HV2834.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV2834.degrees latitude (g = 980.6199 gals.). HV2834 HV2834.The modeled gravity was interpolated from observed gravity values. HV2834 HV2834; North East Units Estimated Accuracy HV2834;SPC VA N - 2,148,630. 3,607,200. MT (+/- 180 meters Scaled) HV2834 HV2834 SUPERSEDED SURVEY CONTROL HV2834 HV2834 NGVD 29 (??/??/??) 65.311 (m) 214.27 (f) ADJUSTED 2 2 HV2834 HV2834.Superseded values are not recommended for survey control. HV2834.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2834.See file dsdata.txt to determine how the superseded data were derived. HV2834 HV2834_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ040191(NAD 83) HV2834_MARKER: DD = SURVEY DISK HV2834_SETTING: 65 = SET IN UNSPECIFIED ROCK OR BOULDER HV2834_SP_SET: UNSPECIFIED ROCK HV2834_MARK LOGO: PBPP HV2834_MAGNETIC: O = OTHER; SEE DESCRIPTION HV2834_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL HV2834_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV2834+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV2834 HV2834 HISTORY - Date Condition Report By HV2834 HISTORY - UNK MONUMENTED PBPP HV2834 HISTORY - 1931 GOOD PBPP HV2834 HISTORY - 19920128 GOOD MSI HV2834 HISTORY - 20050501 GOOD GEOCAC HV2834 HISTORY - 20050625 GOOD USPSQD HV2834 HV2834 STATION DESCRIPTION HV2834 HV2834'DESCRIBED BY PUB BLDGS AND PARKS 1931 HV2834'6.8 MI W FROM LANGLEY. HV2834'6.8 MILES WEST ALONG STATE HIGHWAY 193 FROM THE METHODIST CHURCH HV2834'AT LANGLEY, FAIRFAX COUNTY, THENCE 1.2 MILES EAST AND NORTH HV2834'ALONG SECONDARY STATE HIGHWAY 603, 0.1 MILE NORTHWEST OF HV2834'TRIANGULATION STATION JACKSON DESCRIBED ABOVE, 28 YARDS EAST OF HV2834'THE ROAD, AT A FORD ACROSS A SMALL STREAM, SOUTH OF THE STREAM HV2834'BED, AND IN ROCK. A PUBLIC BUILDINGS AND PUBLIC PARKS STANDARD HV2834'DISK. HV2834 HV2834 STATION RECOVERY (1992) HV2834 HV2834'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV2834'6.8 MILES (10.9 KM) WEST ALONG STATE HIGHWAY 193 FROM THE METHODIST HV2834'CHURCH AT LANGLEY, FAIRFAX COUNTY, THENCE 1.2 MILES (1.9 KM) EAST AND HV2834'NORTH ALONG SECONDARY STATE HIGHWAY 603, 0.1 MILE (0.2 KM) NORTHWEST HV2834'OF TRIANGULATION STATION JACKSON DESCRIBED ABOVE, 28 YARDS EAST OF HV2834'THE ROAD, AT A FORD ACROSS A SMALL STREAM, SOUTH OF THE STREAM BED, HV2834'AND IN ROCK. NOTE--NO STAMPING ON THE DISK. HV2834 HV2834 STATION RECOVERY (2005) HV2834 HV2834'RECOVERY NOTE BY GEOCACHING 2005 (APC) HV2834'LOCATED ON THE EAST SIDE OF RIVER BEND ROAD AND ON THE EAST SIDE OF A HV2834'SMALL STREAM (APPARENTLY MINE RUN), AT A POINT WHERE THE STREAM RUNS HV2834'APPROXIMATELY PARALLEL TO THE ROAD. HV2834' HV2834'BETWEEN THE STREAM AND THE ROAD THERE IS A METAL POST WITH NO SIGN HV2834'WHICH MAY BE INTENDED AS A WITNESS POST. IT IS MORE OR LESS DIRECTLY HV2834'ACROSS THE STREAM (WEST OF) THE STATION DISK. HV2834' HV2834'STATION IS APPROXIMATELY 22 FEET NORTHEAST OF POLE QN99. HV2834' HV2834'THE STATION IS MARKED BY A PBPP BENCH MARK DISK, AND IT IS STAMPED 'V HV2834'162' HV2834' HV2834'HANDHELD GPS COORDINATES N38 59 59.0, W077 15 45.0 HV2834 HV2834 STATION RECOVERY (2005) HV2834 HV2834'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV2834'N 38 59.950 HV2834'W 077 15.733 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV8690 *********************************************************************** HV8690 DESIGNATION - WAG 24 HV8690 PID - HV8690 HV8690 STATE/COUNTY- VA/FAIRFAX HV8690 USGS QUAD - VIENNA (1994) HV8690 HV8690 *CURRENT SURVEY CONTROL HV8690 ___________________________________________________________________ HV8690* NAD 83(1993)- 38 59 30.61805(N) 077 19 57.91113(W) ADJUSTED HV8690* NAVD 88 - 114.387 (meters) 375.28 (feet) ADJUSTED HV8690 ___________________________________________________________________ HV8690 LAPLACE CORR- 2.02 (seconds) DEFLEC99 HV8690 GEOID HEIGHT- -31.73 (meters) GEOID03 HV8690 DYNAMIC HT - 114.326 (meters) 375.08 (feet) COMP HV8690 MODELED GRAV- 980,090.0 (mgal) NAVD 88 HV8690 HV8690 HORZ ORDER - SECOND HV8690 VERT ORDER - THIRD HV8690 HV8690.The horizontal coordinates were established by classical geodetic methods HV8690.and adjusted by the National Geodetic Survey in November 1994. HV8690 HV8690.The orthometric height was determined by differential leveling HV8690.and adjusted by the National Geodetic Survey in September 2004. HV8690.No vertical observational check was made to the station. HV8690 HV8690.The Laplace correction was computed from DEFLEC99 derived deflections. HV8690 HV8690.The geoid height was determined by GEOID03. HV8690 HV8690.The dynamic height is computed by dividing the NAVD 88 HV8690.geopotential number by the normal gravity value computed on the HV8690.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV8690.degrees latitude (g = 980.6199 gals.). HV8690 HV8690.The modeled gravity was interpolated from observed gravity values. HV8690 HV8690; North East Units Scale Factor Converg. HV8690;SPC VA N - 2,147,738.048 3,601,120.227 MT 0.99996968 +0 43 42.6 HV8690;SPC MD - 147,152.721 371,172.936 MT 0.99995189 -0 12 31.8 HV8690;SPC MD - 482,783.55 1,217,756.54 sFT 0.99995189 -0 12 31.8 HV8690;UTM 18 - 4,318,459.480 297,967.869 MT 1.00010262 -1 28 05.8 HV8690 HV8690! - Elev Factor x Scale Factor = Combined Factor HV8690!SPC VA N - 0.99998703 x 0.99996968 = 0.99995671 HV8690!SPC MD - 0.99998703 x 0.99995189 = 0.99993892 HV8690!UTM 18 - 0.99998703 x 1.00010262 = 1.00008965 HV8690 HV8690 SUPERSEDED SURVEY CONTROL HV8690 HV8690 NAD 83(1993)- 38 59 30.61751(N) 077 19 57.91258(W) AD( ) 2 HV8690 NAD 83(1986)- 38 59 30.61857(N) 077 19 57.92306(W) AD( ) 2 HV8690 NGVD 29 (01/12/90) 114.6 (m) 376. (f) VERT ANG HV8690 HV8690.Superseded values are not recommended for survey control. HV8690.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV8690.See file dsdata.txt to determine how the superseded data were derived. HV8690 HV8690_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ9796818459(NAD 83) HV8690_MARKER: DE = TRAVERSE STATION DISK HV8690_SETTING: 4 = OBJECT SURROUNDED BY MASS OF CONCRETE HV8690_SP_SET: IRREGULAR CONCRETE MASS HV8690_STAMPING: WAG 24 1976 HV8690_MARK LOGO: VA-059 HV8690_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT HV8690_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY HV8690_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV8690+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV8690 HV8690 HISTORY - Date Condition Report By HV8690 HISTORY - 1976 MONUMENTED VA-059 HV8690 HISTORY - 1976 GOOD VA-059 HV8690 HISTORY - 19920129 GOOD MSI HV8690 HISTORY - 20050625 GOOD USPSQD HV8690 HV8690 STATION DESCRIPTION HV8690 HV8690'DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1976 (EYB) HV8690'THE STATION IS LOCATED ABOUT 3.1 MILES NORTHEAST OF HERNDON, 2.6 HV8690'MILES WEST OF GREAT FALLS, 2.4 MILES SOUTHEAST OF HERNDON JUNCTION, HV8690'ALONG THE EDGE OF PAVEMENT OF THE EASTBOUND LANE OF LEESBURG PIKE HV8690'BETWEEN UTTERBACK STORE ROAD ON THE EAST AND RESTON AVENUE ON THE HV8690'WEST. SEE FAIRFAX COUNTY TAX MAP 12-1, REVISED TO 1-1-76. HV8690' HV8690'TO REACH THE STATION FROM THE JUNCTION OF ROUTE 606, BARON CAMERON HV8690'AVENUE, AND ROUTE 7, LEESBURG PIKE, AT BROWNS CHAPEL, GO NORTHWEST ON HV8690'ROUTE 7 FOR 1.4 MILES TO THE STATION ON THE LEFT ACROSS THE EASTBOUND HV8690'LANE AND AT THE END OF THE GUARDRAIL. HV8690' HV8690'THE STATION IS A STANDARD FAIRFAX COUNTY VIRGINIA DISK STAMPED---WAG HV8690'24 1976--- SET INTO THE TOP OF AN IRREGULAR MASS OF CONCRETE FLUSH HV8690'WITH GROUND LOCATED 42 FEET NW FROM THE MAILBOX OF HV8690'HOUSE 11215 LEESBURG PIKE. HV8690' HV8690'REFERENCE MARK NO. 01 IS A PK NAIL IN THE GUARDRAIL ALONG THE HV8690'EASTBOUND LANE OF ROUTE 7, LOCATED 22 FEET SE FROM THE CENTERLINE OF HV8690'THE EAST BOUND LANES OF US ROUTE 7, AND 50 FEET NE FROM RM-3. HV8690' HV8690'REFERENCE MARK NO. 02 IS A PK NAIL IN THE GUARDRAIL ALONG THE HV8690'EASTBOUND LANE OF ROUTE 7, LOCATED 25 FEET SE FROM THE CENTERLINE OF HV8690'THE EAST BOUND LANES OF US ROUTE 7, AND 25 FEET NW FROM RM 1. HV8690' HV8690'REFERENCE MARK NO. 03 IS A PK NAIL IN THE SIDE OF UTILITY POLE CH-13, HV8690'LOCATED 75 FEET S FROM THE CENTERLINE OF THE EASTBOUND LANES OF US HV8690'ROUTE 7. HV8690 HV8690 STATION RECOVERY (1976) HV8690 HV8690'RECOVERY NOTE BY FAIRFAX COUNTY VIRGINIA 1976 HV8690'RECOVERED IN GOOD CONDITION. HV8690 HV8690 STATION RECOVERY (1992) HV8690 HV8690'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV8690'THE STATION IS LOCATED ABOUT 3.1 MILES (5.0 KM) NORTHEAST OF HERNDON, HV8690'2.6MILES WEST OF GREAT FALLS, 2.4 MILES (3.9 KM) SOUTHEAST OF HERNDON HV8690'JUNCTION, ALONG THE EDGE OF PAVEMENT OF THE EASTBOUND LANE OF HV8690'LEESBURG PIKE BETWEEN UTTERBACK STORE ROAD ON THE EAST AND RESTON HV8690'AVENUE ON THE WEST. SEE FAIRFAX COUNTY TAX MAP 12-1, REVISED TO HV8690'1-1-76. TO REACH THE STATION FROM THE JUNCTION OF ROUTE 606, BARON HV8690'CAMERON AVENUE, AND ROUTE 7, LEESBURG PIKE, AT BROWNS CHAPEL, GO HV8690'NORTHWEST ON ROUTE 7 FOR 1.4 MILES (2.3 KM) TO THE STATION ON THE HV8690'LEFT ACROSS THE EASTBOUND LANE AND AT THE END OF THE GUARDRAIL, IN HV8690'TOP AN IRREGULAR MASS OF CONCRETE FLUSH WITH GROUND, 42 FEET (12.8 M) HV8690'NW FROM THE MAILBOX OF HOUSE 11215 LEESBURG PIKE. HV8690 HV8690 STATION RECOVERY (2005) HV8690 HV8690'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV8690'N 38 59.513 HV8690'W 077 19.965 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 JV2329 *********************************************************************** JV2329 DESIGNATION - Y 288 JV2329 PID - JV2329 JV2329 STATE/COUNTY- VA/FAIRFAX JV2329 USGS QUAD - SENECA (1994) JV2329 JV2329 *CURRENT SURVEY CONTROL JV2329 ___________________________________________________________________ JV2329* NAD 83(1993)- 39 01 25.73186(N) 077 20 34.62882(W) ADJUSTED JV2329* NAVD 88 - 132.166 (meters) 433.61 (feet) ADJUSTED JV2329 ___________________________________________________________________ JV2329 LAPLACE CORR- 3.26 (seconds) DEFLEC99 JV2329 GEOID HEIGHT- -31.77 (meters) GEOID03 JV2329 DYNAMIC HT - 132.095 (meters) 433.38 (feet) COMP JV2329 MODELED GRAV- 980,089.6 (mgal) NAVD 88 JV2329 JV2329 HORZ ORDER - SECOND JV2329 VERT ORDER - SECOND CLASS 0 JV2329 JV2329.The horizontal coordinates were established by classical geodetic methods JV2329.and adjusted by the National Geodetic Survey in November 1994. JV2329.No horizontal observational check was made to the station. JV2329 JV2329.The orthometric height was determined by differential leveling JV2329.and adjusted by the National Geodetic Survey in June 1991. JV2329 JV2329.The Laplace correction was computed from DEFLEC99 derived deflections. JV2329 JV2329.The geoid height was determined by GEOID03. JV2329 JV2329.The dynamic height is computed by dividing the NAVD 88 JV2329.geopotential number by the normal gravity value computed on the JV2329.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 JV2329.degrees latitude (g = 980.6199 gals.). JV2329 JV2329.The modeled gravity was interpolated from observed gravity values. JV2329 JV2329; North East Units Scale Factor Converg. JV2329;SPC VA N - 2,151,276.322 3,600,191.951 MT 0.99997348 +0 43 19.7 JV2329;SPC MD - 150,705.639 370,302.684 MT 0.99995317 -0 12 54.9 JV2329;SPC MD - 494,440.08 1,214,901.39 sFT 0.99995317 -0 12 54.9 JV2329;UTM 18 - 4,322,031.218 297,175.832 MT 1.00010657 -1 28 32.6 JV2329 JV2329! - Elev Factor x Scale Factor = Combined Factor JV2329!SPC VA N - 0.99998425 x 0.99997348 = 0.99995773 JV2329!SPC MD - 0.99998425 x 0.99995317 = 0.99993742 JV2329!UTM 18 - 0.99998425 x 1.00010657 = 1.00009082 JV2329 JV2329 SUPERSEDED SURVEY CONTROL JV2329 JV2329 NAD 83(1993)- 39 01 25.73149(N) 077 20 34.63017(W) AD( ) 2 JV2329 NAD 83(1986)- 39 01 25.73112(N) 077 20 34.64041(W) AD( ) 2 JV2329 NGVD 29 (??/??/??) 132.390 (m) 434.35 (f) ADJUSTED 2 0 JV2329 JV2329.Superseded values are not recommended for survey control. JV2329.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. JV2329.See file dsdata.txt to determine how the superseded data were derived. JV2329 JV2329_U.S. NATIONAL GRID SPATIAL ADDRESS: 18STJ9717622031(NAD 83) JV2329_MARKER: DB = BENCH MARK DISK JV2329_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT JV2329_SP_SET: CONCRETE POST JV2329_STAMPING: Y 288 1944 JV2329_MARK LOGO: CGS JV2329_MAGNETIC: O = OTHER; SEE DESCRIPTION JV2329_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO JV2329+STABILITY: SURFACE MOTION JV2329_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR JV2329+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 JV2329 JV2329 HISTORY - Date Condition Report By JV2329 HISTORY - 1944 MONUMENTED CGS JV2329 HISTORY - 1966 GOOD CGS JV2329 HISTORY - 19920129 GOOD MSI JV2329 HISTORY - 20050625 GOOD USPSQD JV2329 JV2329 STATION DESCRIPTION JV2329 JV2329'DESCRIBED BY COAST AND GEODETIC SURVEY 1966 JV2329'2 MI N FROM DRANESVILLE. JV2329'ABOUT 2.0 MILES NORTH ALONG STATE HIGHWAY 602 FROM DRANESVILLE, JV2329'ABOUT 0.05 MILES NORTH OF THE DRIVEWAY TO THE HOLLYBROOK FARM, 15 JV2329'FEET EAST OF THE CENTERLINE OF THE HIGHWAY, 0.5 FOOT WEST OF JV2329'FENCE LINE, ABOUT 3 FEET HIGHER THAN THE HIGHWAY AND SET IN THE JV2329'TOP OF A CONCRETE POST PROJECTING 4 INCHES, AND 2 FEET NORTH JV2329'OF A WITNESS POST. JV2329 JV2329 STATION RECOVERY (1992) JV2329 JV2329'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 JV2329'ABOUT 2.0 MILES (3.2 KM) NORTH ALONG STATE HIGHWAY 602 FROM JV2329'DRANESVILLE, ABOUT 0.05 MILES (0.08 KM) NORTH OF THE DRIVEWAY TO THE JV2329'HOLLYBROOK FARM, 15 FEET (4.6 M) EAST OF THE CENTERLINE OF THE JV2329'HIGHWAY, 0.5 FOOT (15.2 CM) WEST OF FENCE LINE, ABOUT 3 FEET (0.9 M) JV2329'HIGHER THAN THE HIGHWAY AND SET IN THE TOP OF A CONCRETE POST JV2329'PROJECTING 4 INCHES, AND 2 FEET (0.6 M) NORTH OF A WITNESS POST. JV2329 JV2329 STATION RECOVERY (2005) JV2329 JV2329'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) JV2329'N 39 01.435 JV2329'W 077 20.567 1 National Geodetic Survey, Retrieval Date = AUGUST 1, 2005 HV2837 *********************************************************************** HV2837 DESIGNATION - Z 287 HV2837 PID - HV2837 HV2837 STATE/COUNTY- VA/FAIRFAX HV2837 USGS QUAD - VIENNA (1994) HV2837 HV2837 *CURRENT SURVEY CONTROL HV2837 ___________________________________________________________________ HV2837* NAD 83(1986)- 38 59 25. (N) 077 16 21. (W) SCALED HV2837* NAVD 88 - 99.591 (meters) 326.74 (feet) ADJUSTED HV2837 ___________________________________________________________________ HV2837 GEOID HEIGHT- -31.69 (meters) GEOID03 HV2837 DYNAMIC HT - 99.540 (meters) 326.57 (feet) COMP HV2837 MODELED GRAV- 980,106.6 (mgal) NAVD 88 HV2837 HV2837 VERT ORDER - SECOND CLASS 0 HV2837 HV2837.The horizontal coordinates were scaled from a topographic map and have HV2837.an estimated accuracy of +/- 6 seconds. HV2837 HV2837.The orthometric height was determined by differential leveling HV2837.and adjusted by the National Geodetic Survey in June 1991. HV2837 HV2837.The geoid height was determined by GEOID03. HV2837 HV2837.The dynamic height is computed by dividing the NAVD 88 HV2837.geopotential number by the normal gravity value computed on the HV2837.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 HV2837.degrees latitude (g = 980.6199 gals.). HV2837 HV2837.The modeled gravity was interpolated from observed gravity values. HV2837 HV2837; North East Units Estimated Accuracy HV2837;SPC VA N - 2,147,630. 3,606,340. MT (+/- 180 meters Scaled) HV2837 HV2837 SUPERSEDED SURVEY CONTROL HV2837 HV2837 NGVD 29 (??/??/??) 99.822 (m) 327.50 (f) ADJUSTED 2 0 HV2837 HV2837.Superseded values are not recommended for survey control. HV2837.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums. HV2837.See file dsdata.txt to determine how the superseded data were derived. HV2837 HV2837_U.S. NATIONAL GRID SPATIAL ADDRESS: 18SUJ031181(NAD 83) HV2837_MARKER: DB = BENCH MARK DISK HV2837_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT HV2837_SP_SET: CONCRETE POST HV2837_STAMPING: Z 287 1944 HV2837_MARK LOGO: CGS HV2837_MAGNETIC: O = OTHER; SEE DESCRIPTION HV2837_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO HV2837+STABILITY: SURFACE MOTION HV2837_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR HV2837+SATELLITE: SATELLITE OBSERVATIONS - June 25, 2005 HV2837 HV2837 HISTORY - Date Condition Report By HV2837 HISTORY - 1944 MONUMENTED CGS HV2837 HISTORY - 1973 GOOD VADH HV2837 HISTORY - 19920129 GOOD MSI HV2837 HISTORY - 20050625 GOOD USPSQD HV2837 HV2837 STATION DESCRIPTION HV2837 HV2837'DESCRIBED BY COAST AND GEODETIC SURVEY 1944 HV2837'1 MI SE FROM FORESTVILLE. HV2837'ABOUT 1 MILE SOUTHEAST ALONG SECONDARY STATE HIGHWAY 604 FROM THE HV2837'INTERSECTION OF SECONDARY STATE HIGHWAY 681 AT FORESTVILLE, HV2837'FAIRFAX COUNTY, ABOUT 1.0 MILE NORTHWEST OF THE JUNCTION OF HV2837'SECONDARY STATE HIGHWAY 738, ABOUT 150 FEET NORTHWEST OF THE HV2837'SOUTHEAST END OF A WHITE BOARD FENCE ABOUT 4 FEET HIGH AND A HV2837'DRIVEWAY TO A HOUSE SOUTHWEST OF THE HIGHWAY, ABOUT 90 FEET HV2837'NORTHWEST OF A POINT OPPOSITE POLE SD 50, ABOUT 19 FEET SOUTHWEST HV2837'OF THE CENTER LINE OF THE HIGHWAY, ABOUT 2 YARDS NORTHWEST OF AN HV2837'UNNUMBERED POLE, AND 2 FEET NORTHEAST OF THE BOARD FENCE. A HV2837'STANDARD DISK, STAMPED Z 287 1944 AND SET IN THE TOP OF A CONCRETE HV2837'POST PROJECTING ABOUT 4 INCHES ABOVE GROUND. HV2837 HV2837 STATION RECOVERY (1973) HV2837 HV2837'RECOVERY NOTE BY VIRGINIA DEPARTMENT OF HIGHWAYS 1973 HV2837'RECOVERED IN GOOD CONDITION. HV2837 HV2837 STATION RECOVERY (1992) HV2837 HV2837'RECOVERY NOTE BY MEASUREMENT SCIENCE INCORPORATED 1992 HV2837'1.0 MILE (1.6 KM) SOUTHEAST ALONG SECONDARY STATE HIGHWAY 604 FROM HV2837'THE INTERSECTION OF SECONDARY STATE HIGHWAY 681 AT FORESTVILLE, HV2837'FAIRFAX COUNTY, ABOUT 1.0 MILE (1.6 KM) NORTHWEST OF THE JUNCTION OF HV2837'SECONDARY STATE HIGHWAY 738, ABOUT 150 FEET (45.7 M) NORTHWEST OF THE HV2837'SOUTHEAST END OF A WHITE BOARD FENCE ABOUT 4 FEET (1.2 M) HIGH AND A HV2837'DRIVEWAY TO A HOUSE SOUTHWEST OF THE HIGHWAY, ABOUT 90 FEET (27.4 M) HV2837'NORTHWEST OF A POINT OPPOSITE POLE SD 50, ABOUT 19 FEET (5.8 M) HV2837'SOUTHWEST OF THE CENTER LINE OF THE HIGHWAY, ABOUT 2 YARDS NORTHWEST HV2837'OF AN UNNUMBERED POLE, AND 2 FEET (0.6 M) NORTHEAST OF THE BOARD HV2837'FENCE, IN TOP OF A CONCRETE POST PROJECTING 4 INCHES ABOVE GROUND. HV2837 HV2837 STATION RECOVERY (2005) HV2837 HV2837'RECOVERY NOTE BY US POWER SQUADRON 2005 (JVV) HV2837'N 38 59.424 HV2837'W 077 16.360