JW1697 ***********************************************************************
JW1697  DESIGNATION -  SHA 203
JW1697  PID         -  JW1697
JW1697  STATE/COUNTY-  MD/GARRETT
JW1697  USGS QUAD   -  AVILTON (1981)
JW1697
JW1697                         *CURRENT SURVEY CONTROL
JW1697  ___________________________________________________________________
JW1697* NAD 83(1986)-  39 40 57.     (N)    079 02 24.     (W)     SCALED
JW1697* NAVD 88     -       789.262  (meters)    2589.44   (feet)  ADJUSTED
JW1697  ___________________________________________________________________
JW1697  GEOID HEIGHT-         -31.71  (meters)                     GEOID99
JW1697  DYNAMIC HT  -         788.732 (meters)    2587.70  (feet)  COMP
JW1697  MODELED GRAV-     979,927.4   (mgal)                       NAVD 88
JW1697
JW1697  VERT ORDER  -  SECOND    CLASS I
JW1697
JW1697.The horizontal coordinates were scaled from a topographic map and have
JW1697.an estimated accuracy of +/- 6 seconds.
JW1697
JW1697.The orthometric height was determined by differential leveling
JW1697.and adjusted by the National Geodetic Survey in April 1995.
JW1697
JW1697.The geoid height was determined by GEOID99.
JW1697
JW1697.The dynamic height is computed by dividing the NAVD 88
JW1697.geopotential number by the normal gravity value computed on the
JW1697.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
JW1697.degrees latitude (g = 980.6199 gals.).
JW1697
JW1697.The modeled gravity was interpolated from observed gravity values.
JW1697
JW1697;                    North         East    Units  Estimated Accuracy
JW1697;SPC MD       -   225,730.      225,000.      MT  (+/- 180 meters Scaled)
JW1697
JW1697                          SUPERSEDED SURVEY CONTROL
JW1697
JW1697.No superseded survey control is available for this station.
JW1697
JW1697_MARKER: DD = SURVEY DISK
JW1697_SETTING: 66 = SET IN ROCK OUTCROP
JW1697_STAMPING: SHA 203 1992
JW1697_MAGNETIC: N = NO MAGNETIC MATERIAL
JW1697_STABILITY: A = MOST RELIABLE AND EXPECTED TO HOLD
JW1697+STABILITY: POSITION/ELEVATION WELL
JW1697_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
JW1697+SATELLITE: SATELLITE OBSERVATIONS - 1992
JW1697
JW1697  HISTORY     - Date     Condition        Recov. By
JW1697  HISTORY     - 1992     MONUMENTED       MDSHA
JW1697
JW1697                          STATION DESCRIPTION
JW1697
JW1697''DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992
JW1697''THE MARKER IS LOCATED ABOUT 6.2 MI (10.0 KM) WEST-NORTHWEST OF
JW1697''FROSTBURG, 6.2 MI (10.0 KM) EAST OF GRANTSVILLE, AND 0.7 MI (1.1 KM)
JW1697''WEST-SOUTHWEST OF ZION CHURCH.  IT IS LOCATED ON INTERSTATE HIGHWAY
JW1697''68 RIGHT-OF-WAY.  TO REACH FROM A POINT WHERE STATE HIGHWAY 546
JW1697''CROSSES OVER INTERSTATE HIGHWAY 68 AT EXIT NUMBER 29, GO WEST ON
JW1697''INTERSTATE HIGHWAY 68 FOR 3.85 MI (6.20 KM) TO THE MARKER ON THE
JW1697''RIGHT.  THE POINT IS MARKED WITH A MARYLAND STATE HIGHWAY
JW1697''ADMINISTRATION SURVEY DISK CEMENTED IN A DRILL HOLE IN BEDROCK.  IT
JW1697''IS 6.0 FT (1.8 M) NORTH OF A 2.0 FT (0.6 M) DRAINAGE DITCH, 44.0 FT
JW1697''(13.4 M) NORTH OF THE CENTER OF WESTBOUND LANE OF INTERSTATE HIGHWAY
JW1697''68, 236.0 FT (71.9 M) WEST OF THE CENTER OF THE BRIDGE WHERE GREEN
JW1697''LANTERN ROAD CROSSES OVER INTERSTATE HIGHWAY 68, AND 4.5 FT (1.4 M)
JW1697''SOUTH OF A CARSONITE WITHESS POST.  IT IS ABOUT 1.0 FT (0.3 M) HIGHER
JW1697''THAN THE SURFACE OF THE HIGHWAY.