JB1215 ***********************************************************************
JB1215  DESIGNATION -  U 114
JB1215  PID         -  JB1215
JB1215  STATE/COUNTY-  IL/ST CLAIR
JB1215  USGS QUAD   -  FREEBURG (1990)
JB1215
JB1215                         *CURRENT SURVEY CONTROL
JB1215  ___________________________________________________________________
JB1215* NAD 83(1986)-  38 28 56.     (N)    089 56 55.     (W)     SCALED
JB1215* NAVD 88     -       148.203  (meters)     486.23   (feet)  ADJUSTED
JB1215  ___________________________________________________________________
JB1215  GEOID HEIGHT-         -30.54  (meters)                     GEOID99
JB1215  DYNAMIC HT  -         148.109 (meters)     485.92  (feet)  COMP
JB1215  MODELED GRAV-     979,986.8   (mgal)                       NAVD 88
JB1215
JB1215  VERT ORDER  -  SECOND    CLASS 0
JB1215
JB1215.The horizontal coordinates were scaled from a topographic map and have
JB1215.an estimated accuracy of +/- 6 seconds.
JB1215
JB1215.The orthometric height was determined by differential leveling
JB1215.and adjusted by the National Geodetic Survey in June 1991.
JB1215
JB1215.The geoid height was determined by GEOID99.
JB1215
JB1215.The dynamic height is computed by dividing the NAVD 88
JB1215.geopotential number by the normal gravity value computed on the
JB1215.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
JB1215.degrees latitude (g = 980.6199 gals.).
JB1215
JB1215.The modeled gravity was interpolated from observed gravity values.
JB1215
JB1215;                    North         East    Units  Estimated Accuracy
JB1215;SPC IL W     -   201,520.      719,030.      MT  (+/- 180 meters Scaled)
JB1215
JB1215                          SUPERSEDED SURVEY CONTROL
JB1215
JB1215  NGVD 29     -       148.331  (m)          486.65   (f) ADJ UNCH    2 0
JB1215
JB1215.Superseded values are not recommended for survey control.
JB1215.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
JB1215.See file dsdata.txt to determine how the superseded data were derived.
JB1215
JB1215_MARKER: DB = BENCH MARK DISK
JB1215_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
JB1215_STAMPING: U 114 1935
JB1215_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
JB1215+STABILITY: SURFACE MOTION
JB1215
JB1215  HISTORY     - Date     Condition        Recov. By
JB1215  HISTORY     - 1935     MONUMENTED       CGS
JB1215  HISTORY     - 1988     MARK NOT FOUND   USPSQD
JB1215
JB1215                          STATION DESCRIPTION
JB1215
JB1215''DESCRIBED BY COAST AND GEODETIC SURVEY 1935
JB1215''2.5 MI SE FROM BELLEVILLE.
JB1215''2.5 MILES SOUTHEAST ALONG THE ILLINOIS CENTRAL RAILROAD FROM THE
JB1215''STATION AT BELLEVILLE, ST. CLAIR COUNTY, 4 RAILS NORTH OF
JB1215''MILEPOST E 17, 40 FEET SOUTH OF A ROAD LEADING TO A RICHLAND
JB1215''COAL CO. MINE, 30 FEET EAST OF THE CENTERLINE OF THE NORTHBOUND
JB1215''TRACK, AND 32 FEET WEST OF THE CENTERLINE OF STATE HIGHWAY 13.
JB1215''A STANDARD DISK, STAMPED U 114 1935 AND SET IN THE TOP OF A
JB1215''CONCRETE POST PROJECTING 4 INCHES ABOVE GROUND.
JB1215
JB1215                          STATION RECOVERY (1988)
JB1215
JB1215''RECOVERY NOTE BY US POWER SQUADRON 1988 (JWO)
JB1215''MARK NOT FOUND.