MB0986 ***********************************************************************
MB0986  DESIGNATION -  E 8
MB0986  PID         -  MB0986
MB0986  STATE/COUNTY-  OH/ASHTABULA
MB0986  USGS QUAD   -  CONNEAUT (1996)
MB0986
MB0986                         *CURRENT SURVEY CONTROL
MB0986  ___________________________________________________________________
MB0986* NAD 83(1986)-  41 56 58.     (N)    080 33 33.     (W)     SCALED
MB0986* NAVD 88     -       199.641  (meters)     654.99   (feet)  ADJUSTED
MB0986  ___________________________________________________________________
MB0986  GEOID HEIGHT-         -34.62  (meters)                     GEOID99
MB0986  DYNAMIC HT  -         199.570 (meters)     654.76  (feet)  COMP
MB0986  MODELED GRAV-     980,266.0   (mgal)                       NAVD 88
MB0986
MB0986  VERT ORDER  -  FIRST     CLASS II
MB0986
MB0986.The horizontal coordinates were scaled from a topographic map and have
MB0986.an estimated accuracy of +/- 6 seconds.
MB0986
MB0986.The orthometric height was determined by differential leveling
MB0986.and adjusted by the National Geodetic Survey in June 1991.
MB0986
MB0986.The geoid height was determined by GEOID99.
MB0986
MB0986.The dynamic height is computed by dividing the NAVD 88
MB0986.geopotential number by the normal gravity value computed on the
MB0986.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
MB0986.degrees latitude (g = 980.6199 gals.).
MB0986
MB0986.The modeled gravity was interpolated from observed gravity values.
MB0986
MB0986;                    North         East    Units  Estimated Accuracy
MB0986;SPC OH N     -   255,300.      760,920.      MT  (+/- 180 meters Scaled)
MB0986
MB0986                          SUPERSEDED SURVEY CONTROL
MB0986
MB0986  NGVD 29     -       199.843  (m)          655.65   (f) ADJUSTED    1 2
MB0986
MB0986.Superseded values are not recommended for survey control.
MB0986.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
MB0986.See file dsdata.txt to determine how the superseded data were derived.
MB0986
MB0986_MARKER: DB = BENCH MARK DISK
MB0986_SETTING: 30 = WALL
MB0986_STAMPING: E 8 1934
MB0986_MAGNETIC: O = OTHER; SEE DESCRIPTION
MB0986_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
MB0986
MB0986  HISTORY     - Date     Condition        Recov. By
MB0986  HISTORY     - 1934     MONUMENTED       CGS
MB0986  HISTORY     - 1941     GOOD             NGS
MB0986  HISTORY     - 1941     GOOD             NGS
MB0986  HISTORY     - 1981     GOOD             NGS
MB0986  HISTORY     - 1988     GOOD             USPSQD
MB0986  HISTORY     - 19900101 GOOD             OHDT
MB0986  HISTORY     - 19920820 GOOD             USPSQD
MB0986
MB0986                          STATION DESCRIPTION
MB0986
MB0986''DESCRIBED BY NATIONAL GEODETIC SURVEY 1941
MB0986''AT CONNEAUT.
MB0986''AT CONNEAUT, ASHTABULA COUNTY, AT THE NORTHWEST CORNER OF THE NEW
MB0986''YORK CENTRAL RAILROAD STATION, IN THE NORTH WALL, 33 FEET SOUTH
MB0986''OF THE SOUTH RAIL OF THE SOUTH TRACK, AND 4.7 FEET ABOVE THE
MB0986''GROUND.  A STANDARD DISK, STAMPED E 8 1934 AND SET VERTICALLY.
MB0986
MB0986                          STATION RECOVERY (1941)
MB0986
MB0986''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1941
MB0986''RECOVERED IN GOOD CONDITION.
MB0986
MB0986                          STATION RECOVERY (1981)
MB0986
MB0986''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981
MB0986''RECOVERED IN GOOD CONDITION.  NEW DESCRIPTION FOLLOWS.
MB0986''IN CONNEAUT, AT THE JUNCTION OF SANDUSKY AND DEPOT STREETS, THE MARK
MB0986''IS SET VERTICALLY IN THE NORTH FACE OF THE CONNEAUT HISTORICAL
MB0986''RAILROAD MUSEUM (OLD RAILROAD STATION) AND NEAR THE NORTHWEST CORNER
MB0986''OF THE BUILDING, 10.05 METERS (33.0 FEET) SOUTH OF THE SOUTH RAIL OF
MB0986''THE TRACKS AND 0.49 METER (1.6 FEET) EAST OF THE NORTHWEST CORNER OF
MB0986''THE BUILDING.
MB0986''THE MARK IS 1.43 M ABOVE THE GROUND.
MB0986
MB0986                          STATION RECOVERY (1988)
MB0986
MB0986''RECOVERY NOTE BY US POWER SQUADRON 1988 (KM)
MB0986''RECOVERED IN GOOD CONDITION.
MB0986
MB0986                          STATION RECOVERY (1990)
MB0986
MB0986''RECOVERY NOTE BY OHIO DEPARTMENT OF TRANSPORTATION 1990 (PT)
MB0986''RECOVERED IN GOOD CONDITION.
MB0986
MB0986                          STATION RECOVERY (1992)
MB0986
MB0986''RECOVERY NOTE BY US POWER SQUADRON 1992 (BO)
MB0986''RECOVERED IN GOOD CONDITION.