MB1043 ***********************************************************************
MB1043  DESIGNATION -  ML 4
MB1043  PID         -  MB1043
MB1043  STATE/COUNTY-  OH/ASHTABULA
MB1043  USGS QUAD   -  CONNEAUT (1996)
MB1043
MB1043                         *CURRENT SURVEY CONTROL
MB1043  ___________________________________________________________________
MB1043* NAD 83(1986)-  41 55 46.     (N)    080 32 06.     (W)     SCALED
MB1043* NAVD 88     -       214.113  (meters)     702.47   (feet)  ADJUSTED
MB1043  ___________________________________________________________________
MB1043  GEOID HEIGHT-         -34.56  (meters)                     GEOID99
MB1043  DYNAMIC HT  -         214.036 (meters)     702.22  (feet)  COMP
MB1043  MODELED GRAV-     980,258.3   (mgal)                       NAVD 88
MB1043
MB1043  VERT ORDER  -  SECOND    CLASS 0
MB1043
MB1043.The horizontal coordinates were scaled from a topographic map and have
MB1043.an estimated accuracy of +/- 6 seconds.
MB1043
MB1043.The orthometric height was determined by differential leveling
MB1043.and adjusted by the National Geodetic Survey in June 1991.
MB1043
MB1043.The geoid height was determined by GEOID99.
MB1043
MB1043.The dynamic height is computed by dividing the NAVD 88
MB1043.geopotential number by the normal gravity value computed on the
MB1043.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
MB1043.degrees latitude (g = 980.6199 gals.).
MB1043
MB1043.The modeled gravity was interpolated from observed gravity values.
MB1043
MB1043;                    North         East    Units  Estimated Accuracy
MB1043;SPC OH N     -   253,120.      762,980.      MT  (+/- 180 meters Scaled)
MB1043
MB1043                          SUPERSEDED SURVEY CONTROL
MB1043
MB1043  NGVD 29     -       214.327  (m)          703.17   (f) ADJ UNCH    2 0
MB1043
MB1043.Superseded values are not recommended for survey control.
MB1043.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
MB1043.See file dsdata.txt to determine how the superseded data were derived.
MB1043
MB1043_MARKER: DB = BENCH MARK DISK
MB1043_SETTING: 36 = BRIDGE
MB1043_STAMPING: ML 4 1961
MB1043_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
MB1043
MB1043  HISTORY     - Date     Condition        Recov. By
MB1043  HISTORY     - 1961     MONUMENTED       CGS
MB1043  HISTORY     - 19931105 MARK NOT FOUND   OHDT
MB1043  HISTORY     - 19960704 MARK NOT FOUND   USPSQD
MB1043
MB1043                          STATION DESCRIPTION
MB1043
MB1043''DESCRIBED BY COAST AND GEODETIC SURVEY 1961
MB1043''4 MI S FROM CONNEAUT.
MB1043''ABOUT 0.25 MILE WEST ALONG STATE HIGHWAYS 7 AND 20 FROM THE
MB1043''POST OFFICE IN CONNEAUT THENCE SOUTH ALONG STATE HIGHWAY 7 FOR
MB1043''1.95 MILES TO THE JUNCTION OF STATE HIGHWAY 7 AND INTERSTATE
MB1043''90, THENCE EAST ON INTERSTATE 90 FOR 2.1 MILE TO THE MARK ON THE
MB1043''RIGHT, SET IN THE TOP OF THE SOUTHWEST ABUTMENT AT THE SOUTHWEST
MB1043''CORNER OF A 125 FOOT BRIDGE OVER A PAVED NORTH AND SOUTH ROAD.
MB1043''IT IS 25.0 FEET SOUTH OF THE CENTER OF THE EAST BOUND LANE OF
MB1043''TRAFFIC, AND IS DRILLED IN THE BRIDGE ABOUT 1.0 FOOT ABOVE THE
MB1043''LEVEL OF THE HIGHWAY.
MB1043
MB1043                          STATION RECOVERY (1993)
MB1043
MB1043''RECOVERY NOTE BY OHIO DEPARTMENT OF TRANSPORTATION 1993 (BM)
MB1043''------REPORT BY OHDT--------YEAR 1993-------CONDITION -NOT FOUND
MB1043''
MB1043''APPEARS THAT BRIDGE HAS BEEN REDONE.
MB1043
MB1043                          STATION RECOVERY (1996)
MB1043
MB1043''RECOVERY NOTE BY US POWER SQUADRON 1996
MB1043''MARK NOT FOUND.