MB1042 ***********************************************************************
MB1042  DESIGNATION -  ML 3
MB1042  PID         -  MB1042
MB1042  STATE/COUNTY-  OH/ASHTABULA
MB1042  USGS QUAD   -  CONNEAUT (1996)
MB1042
MB1042                         *CURRENT SURVEY CONTROL
MB1042  ___________________________________________________________________
MB1042* NAD 83(1986)-  41 55 17.     (N)    080 33 08.     (W)     SCALED
MB1042* NAVD 88     -       213.855  (meters)     701.62   (feet)  ADJUSTED
MB1042  ___________________________________________________________________
MB1042  GEOID HEIGHT-         -34.55  (meters)                     GEOID99
MB1042  DYNAMIC HT  -         213.778 (meters)     701.37  (feet)  COMP
MB1042  MODELED GRAV-     980,257.7   (mgal)                       NAVD 88
MB1042
MB1042  VERT ORDER  -  SECOND    CLASS 0
MB1042
MB1042.The horizontal coordinates were scaled from a topographic map and have
MB1042.an estimated accuracy of +/- 6 seconds.
MB1042
MB1042.The orthometric height was determined by differential leveling
MB1042.and adjusted by the National Geodetic Survey in June 1991.
MB1042
MB1042.The geoid height was determined by GEOID99.
MB1042
MB1042.The dynamic height is computed by dividing the NAVD 88
MB1042.geopotential number by the normal gravity value computed on the
MB1042.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
MB1042.degrees latitude (g = 980.6199 gals.).
MB1042
MB1042.The modeled gravity was interpolated from observed gravity values.
MB1042
MB1042;                    North         East    Units  Estimated Accuracy
MB1042;SPC OH N     -   252,200.      761,570.      MT  (+/- 180 meters Scaled)
MB1042
MB1042                          SUPERSEDED SURVEY CONTROL
MB1042
MB1042  NGVD 29     -       214.072  (m)          702.33   (f) ADJ UNCH    2 0
MB1042
MB1042.Superseded values are not recommended for survey control.
MB1042.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
MB1042.See file dsdata.txt to determine how the superseded data were derived.
MB1042
MB1042_MARKER: DB = BENCH MARK DISK
MB1042_SETTING: 30 = CULVERT
MB1042_STAMPING: ML 3 1961
MB1042_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
MB1042
MB1042  HISTORY     - Date     Condition        Recov. By
MB1042  HISTORY     - 1961     MONUMENTED       CGS
MB1042  HISTORY     - 19931105 MARK NOT FOUND   OHDT
MB1042  HISTORY     - 19960704 MARK NOT FOUND   USPSQD
MB1042
MB1042                          STATION DESCRIPTION
MB1042
MB1042''DESCRIBED BY COAST AND GEODETIC SURVEY 1961
MB1042''3 MI S FROM CONNEAUT.
MB1042''ABOUT 0.25 MILE WEST ALONG STATE HIGHWAYS 7 AND 20 FROM THE
MB1042''POST OFFICE IN CONNEAUT THENCE SOUTH ALONG STATE HIGHWAY 7 FOR
MB1042''1.95 MILES TO THE JUNCTION OF STATE HIGHWAY 7 AND INTERSTATE 90,
MB1042''THENCE EAST ON INTERSTATE 90 FOR 1.0 MILE TO MARK ON THE RIGHT.
MB1042''IT IS SET IN THE TOP OF THE SOUTH HEADWALL AT THE WEST END OF
MB1042''CONCRETE HEADWALL OF A 5.0 FOOT ROUND CULVERT UNDER INTERSTATE
MB1042''HIGHWAY 90, 41.0 FEET SOUTH OF THE CENTER OF THE EAST BOUND
MB1042''TRAFFIC LANE, 4.0 FEET EAST OF THE WEST END OF THE HEADWALL.  IT
MB1042''IS 3.0 FEET BELOW THE LEVEL OF THE HIGHWAY, PROJECTING 3.0 FEET
MB1042''ON THE SOUTH SIDE AND IS FLUSH ON THE NORTH SIDE.
MB1042
MB1042                          STATION RECOVERY (1993)
MB1042
MB1042''RECOVERY NOTE BY OHIO DEPARTMENT OF TRANSPORTATION 1993 (BM)
MB1042''-------REPORT BY OHDT ---------YEAR 1993--------- CONDITION NOT FOUND
MB1042''
MB1042''CULVERTS MAY HAVE BEEN REDONE.
MB1042
MB1042                          STATION RECOVERY (1996)
MB1042
MB1042''RECOVERY NOTE BY US POWER SQUADRON 1996
MB1042''MARK NOT FOUND.