LC0762 ***********************************************************************
LC0762  DESIGNATION -  T 248
LC0762  PID         -  LC0762
LC0762  STATE/COUNTY-  IL/LIVINGSTON
LC0762  USGS QUAD   -  SOUTHWEST PONTIAC (1983)
LC0762
LC0762                         *CURRENT SURVEY CONTROL
LC0762  ___________________________________________________________________
LC0762* NAD 83(1986)-  40 50 39.     (N)    088 39 32.     (W)     SCALED
LC0762* NAVD 88     -       198.885  (meters)     652.51   (feet)  ADJUSTED
LC0762  ___________________________________________________________________
LC0762  GEOID HEIGHT-         -32.10  (meters)                     GEOID99
LC0762  DYNAMIC HT  -         198.800 (meters)     652.23  (feet)  COMP
LC0762  MODELED GRAV-     980,190.2   (mgal)                       NAVD 88
LC0762
LC0762  VERT ORDER  -  SECOND    CLASS 0
LC0762
LC0762.The horizontal coordinates were scaled from a topographic map and have
LC0762.an estimated accuracy of +/- 6 seconds.
LC0762
LC0762.The orthometric height was determined by differential leveling
LC0762.and adjusted by the National Geodetic Survey in June 1991.
LC0762
LC0762.The geoid height was determined by GEOID99.
LC0762
LC0762.The dynamic height is computed by dividing the NAVD 88
LC0762.geopotential number by the normal gravity value computed on the
LC0762.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
LC0762.degrees latitude (g = 980.6199 gals.).
LC0762
LC0762.The modeled gravity was interpolated from observed gravity values.
LC0762
LC0762;                    North         East    Units  Estimated Accuracy
LC0762;SPC IL E     -   463,790.      272,550.      MT  (+/- 180 meters Scaled)
LC0762
LC0762                          SUPERSEDED SURVEY CONTROL
LC0762
LC0762  NGVD 29     -       198.943  (m)          652.70   (f) ADJ UNCH    2 0
LC0762
LC0762.Superseded values are not recommended for survey control.
LC0762.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
LC0762.See file dsdata.txt to determine how the superseded data were derived.
LC0762
LC0762_MARKER: DB = BENCH MARK DISK
LC0762_SETTING: 36 = BRIDGE
LC0762_STAMPING: T 248 1961
LC0762_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
LC0762
LC0762  HISTORY     - Date     Condition        Recov. By
LC0762  HISTORY     - 1961     MONUMENTED       CGS
LC0762
LC0762                          STATION DESCRIPTION
LC0762
LC0762''DESCRIBED BY COAST AND GEODETIC SURVEY 1961
LC0762''2.3 MI SW FROM PONTIAC.
LC0762''ABOUT 2.3 MILES SOUTHWEST ALONG U.S. HIGHWAY 66 FROM ITS JUNCTION
LC0762''WITH STATE HIGHWAY 116 IN THE SOUTHWEST PART OF PONTIAC, AT THE
LC0762''JUNCTION OF AN EAST-WEST GRAVEL ROAD, SET IN THE TOP OF THE
LC0762''NORTHWEST END OF A CONCRETE BRIDGE SEAT AT THE NORTHEAST END OF A
LC0762''12 FOOT TRESTLE UNDER THE GULF, MOBILE AND OHIO RAIL ROAD, 7.5
LC0762''FEET NORTHWEST OF THE NORTHWEST RAIL OF THE SOUTHBOUND TRACK OF
LC0762''THE GULF, MOBILE AND OHIO RAIL ROAD, 90 FEET SOUTHEAST OF THE
LC0762''CENTER LINE OF THE NORTHBOUND LANE OF U.S. HIGHWAY 66, 102 FEET
LC0762''SOUTHWEST OF THE CENTER OF THE CROSSING OF THE SOUTHBOUND TRACK
LC0762''AND THE GRAVEL ROAD EAST, 3.5 FEET BELOW THE LEVEL OF THE TRACK,
LC0762''AND ABOUT LEVEL WITH THE HIGHWAY.