JV0746 ***********************************************************************
JV0746  DESIGNATION -  383 USGS
JV0746  PID         -  JV0746
JV0746  STATE/COUNTY-  MD/CARROLL
JV0746  USGS QUAD   -  SYKESVILLE (1979)
JV0746
JV0746                         *CURRENT SURVEY CONTROL
JV0746  ___________________________________________________________________
JV0746* NAD 83(1986)-  39 21 56.     (N)    076 58 09.     (W)     SCALED
JV0746* NAVD 88     -       116.485  (meters)     382.17   (feet)  ADJUSTED
JV0746  ___________________________________________________________________
JV0746  GEOID HEIGHT-         -31.93  (meters)                     GEOID99
JV0746  DYNAMIC HT  -         116.425 (meters)     381.97  (feet)  COMP
JV0746  MODELED GRAV-     980,107.1   (mgal)                       NAVD 88
JV0746
JV0746  VERT ORDER  -  FIRST     CLASS II
JV0746
JV0746.The horizontal coordinates were scaled from a topographic map and have
JV0746.an estimated accuracy of +/- 6 seconds.
JV0746
JV0746.The orthometric height was determined by differential leveling
JV0746.and adjusted by the National Geodetic Survey in June 1991.
JV0746
JV0746.The geoid height was determined by GEOID99.
JV0746
JV0746.The dynamic height is computed by dividing the NAVD 88
JV0746.geopotential number by the normal gravity value computed on the
JV0746.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
JV0746.degrees latitude (g = 980.6199 gals.).
JV0746
JV0746.The modeled gravity was interpolated from observed gravity values.
JV0746
JV0746;                    North         East    Units  Estimated Accuracy
JV0746;SPC MD       -   188,590.      402,660.      MT  (+/- 180 meters Scaled)
JV0746
JV0746                          SUPERSEDED SURVEY CONTROL
JV0746
JV0746  NGVD 29     -       116.697  (m)          382.86   (f) ADJUSTED    1 2
JV0746
JV0746.Superseded values are not recommended for survey control.
JV0746.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
JV0746.See file dsdata.txt to determine how the superseded data were derived.
JV0746
JV0746_MARKER: DD = SURVEY DISK
JV0746_SETTING: 30 = STEP
JV0746_STAMPING: 383 BALTO MARYLAND
JV0746_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
JV0746
JV0746  HISTORY     - Date     Condition        Recov. By
JV0746  HISTORY     - UNK      MONUMENTED       USGS
JV0746  HISTORY     - 1941     GOOD             CGS
JV0746
JV0746                          STATION DESCRIPTION
JV0746
JV0746''DESCRIBED BY COAST AND GEODETIC SURVEY 1941
JV0746''AT SYKESVILLE.
JV0746''AT SYKESVILLE, CARROLL COUNTY, AT THE SYKESVILLE STATE BANK
JV0746''BUILDING, 11.0 FEET SOUTH OF THE NORTHEAST CORNER, 6 FEET SOUTH
JV0746''OF THE ENTRANCE, IN THE EAST FACE OF A GRANITE STEP, 7.5 FEET
JV0746''WEST OF THE WEST CURB OF MAIN STREET, AND ABOUT 0.3 FOOT ABOVE THE
JV0746''SIDEWALK.  A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK,
JV0746''STAMPED 383 BALTO MARYLAND AND SET VERTICALLY.