HV8750 ***********************************************************************
HV8750  DESIGNATION -  WOOD
HV8750  PID         -  HV8750
HV8750  STATE/COUNTY-  VA/FAIRFAX
HV8750  USGS QUAD   -  VIENNA (1994)
HV8750
HV8750                         *CURRENT SURVEY CONTROL
HV8750  ___________________________________________________________________
HV8750* NAD 83(1993)-  38 54 38.32526(N)    077 15 04.19295(W)     ADJUSTED
HV8750* NAVD 88     -       119.5    (meters)     392.     (feet)  VERTCON
HV8750  ___________________________________________________________________
HV8750  LAPLACE CORR-          -0.87  (seconds)                    DEFLEC99
HV8750  GEOID HEIGHT-         -31.76  (meters)                     GEOID99
HV8750
HV8750  HORZ ORDER  -  SECOND
HV8750
HV8750.The horizontal coordinates were established by classical geodetic methods
HV8750.and adjusted by the National Geodetic Survey in November 1994.
HV8750
HV8750.The NAVD 88 height was computed by applying the VERTCON shift value to
HV8750.the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
HV8750
HV8750.The Laplace correction was computed from DEFLEC99 derived deflections.
HV8750
HV8750.The geoid height was determined by GEOID99.
HV8750
HV8750;                    North         East     Units   Scale      Converg.
HV8750;SPC VA N     - 2,138,818.661 3,608,310.528   MT  0.99996144 +0 46 45.9
HV8750;UTM  18      - 4,309,270.103   304,812.053   MT  1.00006915 -1 24 51.9
HV8750
HV8750                          SUPERSEDED SURVEY CONTROL
HV8750
HV8750  NAD 83(1993)-  38 54 38.32444(N)    077 15 04.19578(W) AD(       ) 2
HV8750  NAD 83(1986)-  38 54 38.32437(N)    077 15 04.20526(W) AD(       ) 2
HV8750  NGVD 29     -       119.7    (m)          393.     (f) VERT ANG
HV8750
HV8750.Superseded values are not recommended for survey control.
HV8750.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
HV8750.See file dsdata.txt to determine how the superseded data were derived.
HV8750
HV8750_MARKER: DE = TRAVERSE STATION DISK
HV8750_SETTING: 4 = SET IN TOP OF IRREGULAR CONCRETE
HV8750_MAGNETIC: R = STEEL ROD IMBEDDED IN MONUMENT
HV8750_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
HV8750
HV8750  HISTORY     - Date     Condition        Recov. By
HV8750  HISTORY     - 1975     MONUMENTED       VA-059
HV8750  HISTORY     - 19890313 GOOD             LOCSUR
HV8750
HV8750                          STATION DESCRIPTION
HV8750
HV8750''DESCRIBED BY FAIRFAX COUNTY VIRGINIA 1975 (EYB)
HV8750''THE STATION IS LOCATED ABOUT 6.1 MILES SOUTHEAST OF HERNDON, 5.3
HV8750''MILES NORTHEAST OF FAIRFAX, 4.3 MILES NORTHWEST OF FALLS CHURCH, IN
HV8750''THE CENTER OF THE GRASS MEDIAN OF CHAIN BRIDGE ROAD BETWEEN NIBLICK
HV8750''DRIVE ON THE EAST AND MASHIE DRIVE ON THE WEST AND ACROSS FROM THE
HV8750''WESTWOOD COUNTRY CLUB PROPERTY.  SEE FAIRFAX COUNTY TAX MAP 38-2,
HV8750''REVISED TO 1-1-76.
HV8750''
HV8750''TO REACH THE STATION FROM THE JUNCTION OF ROUTE 123, CHAIN BRIDGE
HV8750''ROAD, AND ROUTE 674, HUNTER MILL ROAD, IN OAKTON. GO NORTHEAST ON
HV8750''ROUTE 123 FOR 3.5 MILES TO THE STATION ON THE LEFT IN THE MEDIAN AND
HV8750''ACROSS ROUTE 123 FROM THE GRAVEL DRIVE OF HOUSE 805.
HV8750''
HV8750''THE STATION IS A STANDARD FAIRFAX COUNTY VIRGINIA DISK STAMPED---
HV8750''WOOD 1975--- SET INTO THE TOP OF AN IRREGULAR MASS OF CONCRETE
HV8750''FLUSH WITH GROUND LOCATED 16 FEET S FROM THE
HV8750''CENTERLINE OF THE SOUTH BOUND LANE OF ROUTE 123.
HV8750''
HV8750''REFERENCE MARK NO. 01 IS A NAIL AND CAP IN THE SIDE OF A 5 INCH MAPLE
HV8750''TREE IN THE MEDIAN LOCATED 17 FEET S FROM THE CENTERLINE OF THE SOUTH
HV8750''BOUND LANES OF ROUTE 123.
HV8750''
HV8750''REFERENCE MARK NO. 02 IS A NAIL AND CAP IN THE SIDE OF A 5 INCH MAPLE
HV8750''TREE IN THE MEDIAN LOCATED 52 FEET W FROM RM 1 AND 19 FEET N FROM THE
HV8750''CENTERLINE OF THE NORTH BOUND LANES OF ROUTE 123.
HV8750
HV8750                          STATION RECOVERY (1989)
HV8750
HV8750''RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1989 (GLS)
HV8750''RECOVERED IN GOOD CONDITION.