JW1702 ***********************************************************************
JW1702  DESIGNATION -  SHA 208
JW1702  PID         -  JW1702
JW1702  STATE/COUNTY-  MD/GARRETT
JW1702  USGS QUAD   -  AVILTON (1981)
JW1702
JW1702                         *CURRENT SURVEY CONTROL
JW1702  ___________________________________________________________________
JW1702* NAD 83(1986)-  39 41 20.     (N)    079 06 07.     (W)     SCALED
JW1702* NAVD 88     -       804.328  (meters)    2638.87   (feet)  ADJUSTED
JW1702  ___________________________________________________________________
JW1702  GEOID HEIGHT-         -31.60  (meters)                     GEOID99
JW1702  DYNAMIC HT  -         803.796 (meters)    2637.12  (feet)  COMP
JW1702  MODELED GRAV-     979,936.5   (mgal)                       NAVD 88
JW1702
JW1702  VERT ORDER  -  SECOND    CLASS I
JW1702
JW1702.The horizontal coordinates were scaled from a topographic map and have
JW1702.an estimated accuracy of +/- 6 seconds.
JW1702
JW1702.The orthometric height was determined by differential leveling
JW1702.and adjusted by the National Geodetic Survey in April 1995.
JW1702
JW1702.The geoid height was determined by GEOID99.
JW1702
JW1702.The dynamic height is computed by dividing the NAVD 88
JW1702.geopotential number by the normal gravity value computed on the
JW1702.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
JW1702.degrees latitude (g = 980.6199 gals.).
JW1702
JW1702.The modeled gravity was interpolated from observed gravity values.
JW1702
JW1702;                    North         East    Units  Estimated Accuracy
JW1702;SPC MD       -   226,560.      219,700.      MT  (+/- 180 meters Scaled)
JW1702
JW1702                          SUPERSEDED SURVEY CONTROL
JW1702
JW1702.No superseded survey control is available for this station.
JW1702
JW1702_MARKER: DD = SURVEY DISK
JW1702_SETTING: 35 = LARGE HIGHWAY LIGHT POLE BASE
JW1702_STAMPING: SHA 208 1992
JW1702_MAGNETIC: O = OTHER; SEE DESCRIPTION
JW1702_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
JW1702+STABILITY: SURFACE MOTION
JW1702
JW1702  HISTORY     - Date     Condition        Recov. By
JW1702  HISTORY     - 1992     MONUMENTED       MDSHA
JW1702
JW1702                          STATION DESCRIPTION
JW1702
JW1702''DESCRIBED BY MARYLAND DOT HIGHWAY ADMINISTRATION 1992
JW1702''THE MARKER IS LOCATED ABOUT 9.5 MI (15.3 KM) WEST-NORTHWEST OF
JW1702''FROSTBURG, 2.9 MI (4.7 KM) EAST OF GRANTSVILLE, AND 3.9 MI (6.3 KM)
JW1702''WEST OF ZION CHURCH.  IT IS LOCATED ON INTERSTATE HIGHWAY 68
JW1702''RIGHT-OF-WAY.  TO REACH FROM A POINT WHERE STATE HIGHWAY 546 CROSSES
JW1702''OVER INTERSTATE HIGHWAY 68 AT EXIT NUMBER 29, GO WEST ON INTERSTATE
JW1702''HIGHWAY 68 FOR 6.85 MI (11.02 KM) TO AN EXIT RAMP FOR EXIT NUMBER 22
JW1702''THAT LEADS TO CHESTNUT RIDGE ROAD AND U.S. HIGHWAY 219 NORTH.  LEAVE
JW1702''INTERSTATE HIGHWAY 68 AND GO WESTERLY ON THE EXIT RAMP FOR 0.45 MI
JW1702''(0.72 KM) TO THE MARKER ON THE RIGHT IN THE CONCRETE BASE FOR A
JW1702''HIGHWAY LIGHT POLE.  THE POINT IS MARKED WITH A MARYLAND STATE
JW1702''HIGHWAY ADMINISTRATION SURVEY DISK, CEMENTED IN A DRILL HOLE IN THE
JW1702''SOUTHWEST SIDE OF A 2.5 FT (0.8 M) ROUND CONCRETE BASE FOR A LARGE
JW1702''OVERHEAD HIGHWAY LIGHT POLE NUMBERED 02 18 250.  IT IS 22.5 FT (6.9
JW1702''M) NORTHEAST OF THE CENTER OF THE EXIT RAMP, LEADING TO U.S. HIGHWAY
JW1702''219 AND CHESTNUT RIDGE ROAD, 26.0 FT (7.9 M) WEST OF THE SOUTHWEST
JW1702''LEG OF A HIGHWAY SIGN POST, AND 38.5 FT (11.7 M) NORTHEAST OF A METAL
JW1702''GUARDRAIL ALONG THE NORTH SIDE OF INTERSTATE HIGHWAY 68.  IT IS ABOUT
JW1702''THE SAME ELEVATION AS THE SURFACE OF THE HIGHWAY.