JV7254 ***********************************************************************
JV7254  DESIGNATION -  WHITE
JV7254  PID         -  JV7254
JV7254  STATE/COUNTY-  MD/WASHINGTON
JV7254  USGS QUAD   -  HARPERS FERRY (1988)
JV7254
JV7254                         *CURRENT SURVEY CONTROL
JV7254  ___________________________________________________________________
JV7254* NAD 83(1991)-  39 19 55.77182(N)    077 41 20.37694(W)     ADJUSTED
JV7254* NAVD 88     -       128.5    (meters)     422.     (feet)  GPS OBS
JV7254  ___________________________________________________________________
JV7254  X           -   1,053,321.002 (meters)                     COMP
JV7254  Y           -  -4,826,511.633 (meters)                     COMP
JV7254  Z           -   4,020,967.814 (meters)                     COMP
JV7254  LAPLACE CORR-           6.32  (seconds)                    DEFLEC99
JV7254  ELLIP HEIGHT-          95.17  (meters)                     GPS OBS
JV7254  GEOID HEIGHT-         -33.28  (meters)                     GEOID99
JV7254
JV7254  HORZ ORDER  -  FIRST
JV7254  ELLP ORDER  -  FOURTH    CLASS I
JV7254
JV7254.The horizontal coordinates were established by GPS observations
JV7254.and adjusted by the National Geodetic Survey in February 1994.
JV7254
JV7254.The orthometric height was determined by GPS observations and a
JV7254.high-resolution geoid model.
JV7254
JV7254.The X, Y, and Z were computed from the position and the ellipsoidal ht.
JV7254
JV7254.The Laplace correction was computed from DEFLEC99 derived deflections.
JV7254
JV7254.The ellipsoidal height was determined by GPS observations
JV7254.and is referenced to NAD 83.
JV7254
JV7254.The geoid height was determined by GEOID99.
JV7254
JV7254;                    North         East     Units   Scale      Converg.
JV7254;SPC MD       -   607,298.26  1,117,440.97   sFT  0.99998151 -0 25 56.8
JV7254;SPC MD       -   185,104.881   340,596.688   MT  0.99998151 -0 25 56.8
JV7254;UTM  18      - 4,357,086.170   268,231.013   MT  1.00026144 -1 42 18.3
JV7254
JV7254                          SUPERSEDED SURVEY CONTROL
JV7254
JV7254.No superseded survey control is available for this station.
JV7254
JV7254_MARKER: DD = SURVEY DISK
JV7254_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
JV7254_STAMPING: WHITE 1993
JV7254_MAGNETIC: N = NO MAGNETIC MATERIAL
JV7254_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
JV7254+STABILITY: SURFACE MOTION
JV7254_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
JV7254+SATELLITE: SATELLITE OBSERVATIONS - 1993
JV7254
JV7254  HISTORY     - Date     Condition        Recov. By
JV7254  HISTORY     - 1993     MONUMENTED       GREOMA
JV7254
JV7254                          STATION DESCRIPTION
JV7254
JV7254''DESCRIBED BY GREENHORNE-OMARA 1993
JV7254''STATION IS LOCATED AT THE INTERSECTION OF MD RTE 340 AND MD RTE 67
JV7254''WEST OF KNOXVILLE, MD. TO REACH THE STATION TAKE RTE 340 WEST FROM
JV7254''KNOXVILLE AND TAKE THE RTE 67EXIT. STATION IS LOCATED ON THE BRIDGE
JV7254''OVERPASS 23 FEET (7.0 M) SOUTHEAST OF THE CENTERLINE OF RTE 67 AND
JV7254''115.5 FEET (35.2 M) SOUTHWEST OF THE END OF A GUARDRAIL AT THE
JV7254''SOUTHWEST CORNER OF THE RTE 67 BRIDGE OVER RTE 340. STATION IS A
JV7254''BRASS DISK SET IN THE TOP OF AN 8 INCH ROUND CONCRETE MONUMENT SET
JV7254''FLUSH WITH THE GROUND.