HV1555 ***********************************************************************
HV1555  DESIGNATION -  MITCHELL 2 PB AND PP 1931
HV1555  PID         -  HV1555
HV1555  STATE/COUNTY-  VA/ARLINGTON
HV1555  USGS QUAD   -  WASHINGTON WEST (1983)
HV1555
HV1555                         *CURRENT SURVEY CONTROL
HV1555  ___________________________________________________________________
HV1555* NAD 83(1993)-  38 54 42.82458(N)    077 06 27.91559(W)     ADJUSTED
HV1555* NAVD 88     -        81.     (meters)     266.     (feet)  SCALED
HV1555  ___________________________________________________________________
HV1555  LAPLACE CORR-          -2.58  (seconds)                    DEFLEC99
HV1555  GEOID HEIGHT-         -31.91  (meters)                     GEOID99
HV1555
HV1555  HORZ ORDER  -  SECOND
HV1555
HV1555.The horizontal coordinates were established by classical geodetic methods
HV1555.and adjusted by the National Geodetic Survey in November 1994.
HV1555
HV1555.The orthometric height was scaled from a topographic map.
HV1555
HV1555.The Laplace correction was computed from DEFLEC99 derived deflections.
HV1555
HV1555.The geoid height was determined by GEOID99.
HV1555
HV1555;                    North         East     Units   Scale      Converg.
HV1555;SPC MD       -   453,513.98  1,281,672.42   sFT  0.99995005 -0 04 03.5
HV1555;SPC VA N     - 2,139,136.299 3,620,745.392   MT  0.99996155 +0 52 08.1
HV1555;SPC MD       -   138,231.338   390,654.534   MT  0.99995005 -0 04 03.5
HV1555;UTM  18      - 4,309,111.550   317,250.937   MT  1.00001126 -1 19 27.5
HV1555
HV1555:                Primary Azimuth Mark                     Grid Az
HV1555:SPC VA N     -  KEMBLE PB AND PP 1930                    021 37 54.7
HV1555:SPC MD       -  KEMBLE PB AND PP 1930                    022 34 06.3
HV1555:UTM  18      -  KEMBLE PB AND PP 1930                    023 49 30.3
HV1555
HV1555|---------------------------------------------------------------------|
HV1555| PID    Reference Object                     Distance      Geod. Az  |
HV1555|                                                           dddmmss.s |
HV1555| HV3991 KEMBLE PB AND PP 1930               APPROX. 2.2 KM 0223002.8 |
HV1555|---------------------------------------------------------------------|
HV1555
HV1555                          SUPERSEDED SURVEY CONTROL
HV1555
HV1555  NAD 83(1993)-  38 54 42.82342(N)    077 06 27.91731(W) AD(       ) 2
HV1555  NAD 83(1986)-  38 54 42.82324(N)    077 06 27.92721(W) AD(       ) 2
HV1555  NAD 27      -  38 54 42.42000(N)    077 06 28.99600(W) AD(       ) 2
HV1555
HV1555.Superseded values are not recommended for survey control.
HV1555.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
HV1555.See file dsdata.txt to determine how the superseded data were derived.
HV1555
HV1555_MARKER: DG = GRAVITY STATION DISK
HV1555_SETTING: 0 = UNSPECIFIED SETTING
HV1555_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
HV1555
HV1555  HISTORY     - Date     Condition        Recov. By
HV1555  HISTORY     - 1931     MONUMENTED       PBPP
HV1555  HISTORY     - 1937     SEE DESCRIPTION  PBPP
HV1555  HISTORY     - 1938     GOOD             CGS
HV1555  HISTORY     - 1946     GOOD             CGS
HV1555
HV1555                          STATION DESCRIPTION
HV1555
HV1555''DESCRIBED BY PUB BLDGS AND PARKS 1931
HV1555''STATION IS LOCATED ON VIRGINIA SHORE OF POTOMAC RIVER IN
HV1555''ARLINGTON COUNTY ON TOP OF SMALL KNOLL OF GROUND ON PROPERTY OF
HV1555''MR. G.D. MITCHELL ABOUT 1 MILE N OF CHERRYDALE, VIRGINIA.
HV1555''
HV1555''THE SURFACE MARKER IS A STANDARD P.B. AND P.P. DISK SET IN A
HV1555''NATIVE GRANITE STONE ABOUT 8 INCHES SQUARE AT THE TOP, LARGER AT
HV1555''THE BOTTOM, AND ABOUT 2 FEET LONG.
HV1555''
HV1555''THE AZIMUTH STATION IS MARKED BY A STANDARD DISK SET IN A BLOCK
HV1555''OF CONCRETE ABOUT 12 INCHES IN DIAMETER.
HV1555''
HV1555''ENTRANCE TO STATION IS GAINED BY TURNING OFF (EAST) MILITARY
HV1555''ROAD 0.8 MILE ABOVE CHERRYDALE AND PROCEEDING THROUGH SETTLEMENT
HV1555''KNOWN AS MARCYTOWN.  THE STATION IS ONE SIDE OF DIRT ROAD ABOUT
HV1555''100 YARDS PAST HOUSE OF MR. ADDY HORSEMAN.
HV1555
HV1555                          STATION RECOVERY (1937)
HV1555
HV1555''RECOVERY NOTE BY PUB BLDGS AND PARKS 1937
HV1555''STATION IS LOCATED IN A SMALL OPEN SPOT ON TOP OF KNOLL ON
HV1555''PROPERTY OF MR. MITCHELL ABOUT 100 FEET E OF DONALDSON FAMILY
HV1555''BURYING GROUND.
HV1555''
HV1555''STATION IS STANDARD BRONZE DISK IN 6-INCH TERRA COTTA PIPE,
HV1555''STAMPED MITCHELL NO. 7 SET FLUSH WITH THE GROUND.  THE SUBSURFACE
HV1555''MARKER IS ALSO A BRONZE DISK SET IN A PINT MILK BOTTLE FILLED WITH
HV1555''AND SURROUNDED BY CONCRETE.
HV1555''
HV1555''ENTRANCE TO STATION IS THROUGH SETTLEMENT KNOWN AS MARCEYTOWN, OFF
HV1555''OF MILITARY ROAD ABOUT 1 MILE N OF CHERRYDALE.
HV1555''
HV1555''NOTE--THIS STATION HAS BEEN RE-NAMED GRAVEYARD.
HV1555
HV1555                          STATION RECOVERY (1938)
HV1555
HV1555''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1938 (TMP)
HV1555''STATION RECOVERED.  AZIMUTH MARK NOT SEARCHED FOR.
HV1555
HV1555                          STATION RECOVERY (1946)
HV1555
HV1555''RECOVERY NOTE BY COAST AND GEODETIC SURVEY 1946 (JMN)
HV1555''STATION RECOVERED AND FOUND IN GOOD CONDITION.  THE FOLLOWING
HV1555''EXCEPTIONS AND ADDITIONS SHOULD BE MADE TO THE DESCRIPTION.
HV1555''STATION IS 77.72 FEET E OF A 14-INCH WILD CHERRY TREE ONE EDGE
HV1555''OF SMALL GRAVEYARD, 14.8 FEET FROM A THREE-PRONGED STOOL OF SMALL
HV1555''WILD CHERRY TREES, AND 45.0 FEET FROM A 12-INCH LOCUST.  STATION
HV1555''MARK IS STAMPED MITCHELL NO 1 NOT MITCHELL NO 7.  STATION
HV1555''RENAMED GRAVEYARD IN 1931.