HU0270 ***********************************************************************
HU0270  DESIGNATION -  G 104
HU0270  PID         -  HU0270
HU0270  STATE/COUNTY-  MD/WORCESTER
HU0270  USGS QUAD   -  OCEAN CITY (1972)
HU0270
HU0270                         *CURRENT SURVEY CONTROL
HU0270  ___________________________________________________________________
HU0270* NAD 83(1986)-  38 20 02.     (N)    075 05 48.     (W)     SCALED
HU0270* NAVD 88     -         4.226  (meters)      13.86   (feet)  ADJUSTED
HU0270  ___________________________________________________________________
HU0270  GEOID HEIGHT-         -35.99  (meters)                     GEOID99
HU0270  DYNAMIC HT  -           4.224 (meters)      13.86  (feet)  COMP
HU0270  MODELED GRAV-     980,008.2   (mgal)                       NAVD 88
HU0270
HU0270  VERT ORDER  -  SECOND    CLASS 0
HU0270
HU0270.The horizontal coordinates were scaled from a topographic map and have
HU0270.an estimated accuracy of +/- 6 seconds.
HU0270
HU0270.The orthometric height was determined by differential leveling
HU0270.and adjusted by the National Geodetic Survey in June 1991.
HU0270
HU0270.The geoid height was determined by GEOID99.
HU0270
HU0270.The dynamic height is computed by dividing the NAVD 88
HU0270.geopotential number by the normal gravity value computed on the
HU0270.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
HU0270.degrees latitude (g = 980.6199 gals.).
HU0270
HU0270.The modeled gravity was interpolated from observed gravity values.
HU0270
HU0270;                    North         East    Units  Estimated Accuracy
HU0270;SPC MD       -    75,800.      566,400.      MT  (+/- 180 meters Scaled)
HU0270
HU0270                          SUPERSEDED SURVEY CONTROL
HU0270
HU0270  NGVD 29     -         4.473  (m)           14.68   (f) ADJUSTED    2 0
HU0270
HU0270.Superseded values are not recommended for survey control.
HU0270.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
HU0270.See file dsdata.txt to determine how the superseded data were derived.
HU0270
HU0270_MARKER: DB = BENCH MARK DISK
HU0270_SETTING: 38 = BRIDGE
HU0270_STAMPING: G 104 1962
HU0270_MAGNETIC: O = OTHER; SEE DESCRIPTION
HU0270_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
HU0270_SATELLITE: THE SITE LOCATION WAS REPORTED AS NOT SUITABLE FOR
HU0270+SATELLITE: SATELLITE OBSERVATIONS - May 14, 1991
HU0270
HU0270  HISTORY     - Date     Condition        Recov. By
HU0270  HISTORY     - 1962     MONUMENTED       CGS
HU0270  HISTORY     - 1984     GOOD             NGS
HU0270  HISTORY     - 1988     GOOD             USPSQD
HU0270  HISTORY     - 19910514 GOOD             MDSHA
HU0270
HU0270                          STATION DESCRIPTION
HU0270
HU0270''DESCRIBED BY COAST AND GEODETIC SURVEY 1962
HU0270''AT OCEAN CITY.
HU0270''SET IN A DRILL HOLE IN THE NORTHEAST CONCRETE ABUTMENT AT THE
HU0270''NORTHWEST END OF U.S. HIGHWAY 50 BRIDGE OVER SINEPUXENT BAY.  9
HU0270''FEET NORTHEAST OF THE NORTHEAST CURB OF HIGHWAY 50 AND 1 FOOT
HU0270''ABOVE THE LEVEL OF THE HIGHWAY.
HU0270
HU0270                          STATION RECOVERY (1984)
HU0270
HU0270''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1984
HU0270''RECOVERED IN GOOD CONDITION.
HU0270
HU0270                          STATION RECOVERY (1988)
HU0270
HU0270''RECOVERY NOTE BY US POWER SQUADRON 1988 (RBD)
HU0270''RECOVERED IN GOOD CONDITION.
HU0270
HU0270                          STATION RECOVERY (1991)
HU0270
HU0270''RECOVERY NOTE BY MARYLAND DOT HIGHWAY ADMINISTRATION 1991
HU0270''THE MARK IS LOCATED ABOUT 6.65 MI (10.70 KM) EAST OF BERLIN, 0.53 MI
HU0270''(0.85 KM) WEST OF OCEAN CITY AND ON ROAD RIGHT-OF-WAY.  TO REACH FROM
HU0270''THE INTERSECTION OF U.S. 50 AND 113, GO EAST ON U.S. HIGHWAY 50 FOR
HU0270''6.6 MI (10.6 KM) TO THE ASSAWOMAN BAY BRIDGE AND THE MARK ON THE
HU0270''LEFT.  IT IS 32.0 FT (9.8 M) NORTH OF THE CENTER LINE OF U.S.
HU0270''HIGHWAY 50, 9.8 FT (3.0 M) NORTHWEST OF THE WEST END OF A CHAIN LINK
HU0270''FENCE, 2.7 FT (0.8 M) NORTHEAST OF A LIGHT POLE, AND SET IN A DRILL
HU0270''HOLE IN THE WEST ABUTMENT OF THE BRIDGE.