LC0731 ***********************************************************************
LC0731  DESIGNATION -  X 246
LC0731  PID         -  LC0731
LC0731  STATE/COUNTY-  IL/MCLEAN
LC0731  USGS QUAD   -  CHENOA (1986)
LC0731
LC0731                         *CURRENT SURVEY CONTROL
LC0731  ___________________________________________________________________
LC0731* NAD 83(1986)-  40 42 13.     (N)    088 44 46.     (W)     SCALED
LC0731* NAVD 88     -       226.876  (meters)     744.34   (feet)  ADJUSTED
LC0731  ___________________________________________________________________
LC0731  GEOID HEIGHT-         -32.08  (meters)                     GEOID99
LC0731  DYNAMIC HT  -         226.775 (meters)     744.01  (feet)  COMP
LC0731  MODELED GRAV-     980,172.1   (mgal)                       NAVD 88
LC0731
LC0731  VERT ORDER  -  SECOND    CLASS 0
LC0731
LC0731.The horizontal coordinates were scaled from a topographic map and have
LC0731.an estimated accuracy of +/- 6 seconds.
LC0731
LC0731.The orthometric height was determined by differential leveling
LC0731.and adjusted by the National Geodetic Survey in June 1991.
LC0731
LC0731.The geoid height was determined by GEOID99.
LC0731
LC0731.The dynamic height is computed by dividing the NAVD 88
LC0731.geopotential number by the normal gravity value computed on the
LC0731.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
LC0731.degrees latitude (g = 980.6199 gals.).
LC0731
LC0731.The modeled gravity was interpolated from observed gravity values.
LC0731
LC0731;                    North         East    Units  Estimated Accuracy
LC0731;SPC IL E     -   448,210.      265,120.      MT  (+/- 180 meters Scaled)
LC0731
LC0731                          SUPERSEDED SURVEY CONTROL
LC0731
LC0731  NGVD 29     -       226.927  (m)          744.51   (f) ADJ UNCH    2 0
LC0731
LC0731.Superseded values are not recommended for survey control.
LC0731.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
LC0731.See file dsdata.txt to determine how the superseded data were derived.
LC0731
LC0731_MARKER: DB = BENCH MARK DISK
LC0731_SETTING: 30 = CULVERT
LC0731_STAMPING: X 246 1960
LC0731_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
LC0731
LC0731  HISTORY     - Date     Condition        Recov. By
LC0731  HISTORY     - 1960     MONUMENTED       CGS
LC0731  HISTORY     - 1961     GOOD             NGS
LC0731
LC0731                          STATION DESCRIPTION
LC0731
LC0731''DESCRIBED BY NATIONAL GEODETIC SURVEY 1961
LC0731''2.7 MI SW FROM CHENOA.
LC0731''ABOUT 2.7 MILES SOUTHWEST ALONG U.S. HIGHWAY 66 FROM ITS JUNCTION
LC0731''WITH U.S. HIGHWAY 24 IN THE SOUTHWEST PART OF CHENOA, ABOUT 0.2
LC0731''MILE NORTHEAST OF A HOUSE WEST OF THE HIGHWAY, SET IN TOP OF THE
LC0731''SOUTHWEST END OF THE SOUTHEAST HEADWALL OF A 2 FOOT CONCRETE
LC0731''BOX CULVERT UNDER THE GULF MOBILE AND OHIO RAILROAD, 150 FEET
LC0731''SOUTHEAST OF THE CENTERLINE OF THE NORTHBOUND LANE OF U.S.
LC0731''HIGHWAY 66, 12 FEET SOUTHEAST OF THE SOUTHEAST RAIL OF THE
LC0731''NORTHBOUND TRACK OF THE GULF MOBILE AND OHIO RAILROAD, AND ABOUT
LC0731''2 FEET BELOW THE LEVEL OF THE TRACK.