LC0163 ***********************************************************************
LC0163  DESIGNATION -  A 173
LC0163  PID         -  LC0163
LC0163  STATE/COUNTY-  IL/CHAMPAIGN
LC0163  USGS QUAD   -  URBANA (1975)
LC0163
LC0163                         *CURRENT SURVEY CONTROL
LC0163  ___________________________________________________________________
LC0163* NAD 83(1986)-  40 06 52.     (N)    088 12 31.     (W)     SCALED
LC0163* NAVD 88     -       217.440  (meters)     713.38   (feet)  ADJUSTED
LC0163  ___________________________________________________________________
LC0163  GEOID HEIGHT-         -32.07  (meters)                     GEOID99
LC0163  DYNAMIC HT  -         217.330 (meters)     713.02  (feet)  COMP
LC0163  MODELED GRAV-     980,112.6   (mgal)                       NAVD 88
LC0163
LC0163  VERT ORDER  -  FIRST     CLASS II
LC0163
LC0163.The horizontal coordinates were scaled from a topographic map and have
LC0163.an estimated accuracy of +/- 6 seconds.
LC0163
LC0163.The orthometric height was determined by differential leveling
LC0163.and adjusted by the National Geodetic Survey in June 1991.
LC0163.WARNING-Repeat measurements at this control monument indicate possible
LC0163.vertical movement.
LC0163
LC0163.The geoid height was determined by GEOID99.
LC0163
LC0163.The dynamic height is computed by dividing the NAVD 88
LC0163.geopotential number by the normal gravity value computed on the
LC0163.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
LC0163.degrees latitude (g = 980.6199 gals.).
LC0163
LC0163.The modeled gravity was interpolated from observed gravity values.
LC0163
LC0163;                    North         East    Units  Estimated Accuracy
LC0163;SPC IL E     -   382,720.      310,630.      MT  (+/- 180 meters Scaled)
LC0163
LC0163                          SUPERSEDED SURVEY CONTROL
LC0163
LC0163  NGVD 29     -       217.507  (m)          713.60   (f) ADJ UNCH    1 2
LC0163
LC0163.Superseded values are not recommended for survey control.
LC0163.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
LC0163.See file dsdata.txt to determine how the superseded data were derived.
LC0163
LC0163_MARKER: DB = BENCH MARK DISK
LC0163_SETTING: 38 = ABUTMENT
LC0163_STAMPING: A 173 1954
LC0163_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
LC0163
LC0163  HISTORY     - Date     Condition        Recov. By
LC0163  HISTORY     - 1954     MONUMENTED       CGS
LC0163  HISTORY     - 1956     GOOD             NGS
LC0163  HISTORY     - 1973     GOOD             NGS
LC0163  HISTORY     - 1978     GOOD             LOCENG
LC0163  HISTORY     - 1986     GOOD             NGS
LC0163
LC0163                          STATION DESCRIPTION
LC0163
LC0163''DESCRIBED BY NATIONAL GEODETIC SURVEY 1956
LC0163''AT URBANA.
LC0163''AT URBANA, ALONG THE WABASH RAILROAD, AT CROSSING OF RACE
LC0163''STREET, SET IN THE TOP OF THE SOUTH END OF THE WEST ABUTMENT OF
LC0163''RAILROAD BRIDGE NO. 464 OVER BONEYARD CREEK, 7 1/2 FEET SOUTH
LC0163''OF SOUTH RAIL OF WABASH RAILROAD, 187 FEET WEST OF SOUTHWEST
LC0163''CORNER OF WABASH RAILROAD STATION, 19 FEET SOUTHEAST OF CENTER
LC0163''OF CROSSING OF RACE STREET AND ABOUT LEVEL WITH TRACK.
LC0163
LC0163                          STATION RECOVERY (1973)
LC0163
LC0163''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1973
LC0163''RECOVERED IN GOOD CONDITION.
LC0163
LC0163                          STATION RECOVERY (1978)
LC0163
LC0163''RECOVERY NOTE BY LOCAL ENGINEER (INDIVIDUAL OR FIRM) 1978
LC0163''RECOVERED IN GOOD CONDITION.
LC0163
LC0163                          STATION RECOVERY (1986)
LC0163
LC0163''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1986
LC0163''RECOVERED IN GOOD CONDITION.  A NEW DESCRIPTION FOLLOWS.  IN URBANA,
LC0163''AT THE INTERSECTION OF RACE AND GRIGGS STREETS, IN THE SOUTH END OF
LC0163''THE WEST CONCRETE ABUTMENT OF AN ABANDONED RAILROAD BRIDGE SPANNING A
LC0163''DRAINAGE DITCH, 57.0 M (187.0 FT) WEST OF THE SOUTHEAST CORNER OF THE
LC0163''OLD WABASH RAILROAD STATION, 41.3 M (135.5 FT) NORTH OF THE EXTENDED
LC0163''CENTER OF GRIGGS STREET, 5.8 M (19.0 FT) EAST OF THE CENTER OF RACE
LC0163''STREET, AND 0.6 M (2.0 FT) NORTH OF THE SOUTH END OF THE ABUTMENT.
LC0163''THE MARK IS ABOVE LEVEL WITH RACE STREET.