KX1250 ***********************************************************************
KX1250  DESIGNATION -  3066
KX1250  PID         -  KX1250
KX1250  STATE/COUNTY-  PA/ALLEGHENY
KX1250  USGS QUAD   -  PITTSBURGH EAST (1993)
KX1250
KX1250                         *CURRENT SURVEY CONTROL
KX1250  ___________________________________________________________________
KX1250* NAD 83(1986)-  40 24 59.     (N)    079 54 44.     (W)     SCALED
KX1250* NAVD 88     -       228.749  (meters)     750.49   (feet)  ADJUSTED
KX1250  ___________________________________________________________________
KX1250  GEOID HEIGHT-         -33.66  (meters)                     GEOID99
KX1250  DYNAMIC HT  -         228.631 (meters)     750.10  (feet)  COMP
KX1250  MODELED GRAV-     980,105.8   (mgal)                       NAVD 88
KX1250
KX1250  VERT ORDER  -  FIRST     CLASS I
KX1250
KX1250.The horizontal coordinates were scaled from a topographic map and have
KX1250.an estimated accuracy of +/- 6 seconds.
KX1250
KX1250.The orthometric height was determined by differential leveling
KX1250.and adjusted by the National Geodetic Survey in June 1991.
KX1250
KX1250.The geoid height was determined by GEOID99.
KX1250
KX1250.The dynamic height is computed by dividing the NAVD 88
KX1250.geopotential number by the normal gravity value computed on the
KX1250.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
KX1250.degrees latitude (g = 980.6199 gals.).
KX1250
KX1250.The modeled gravity was interpolated from observed gravity values.
KX1250
KX1250;                    North         East    Units  Estimated Accuracy
KX1250;SPC PA S     -   122,500.      416,510.      MT  (+/- 180 meters Scaled)
KX1250
KX1250                          SUPERSEDED SURVEY CONTROL
KX1250
KX1250  NGVD 29     -       228.916  (m)          751.04   (f) ADJ UNCH    1 1
KX1250
KX1250.Superseded values are not recommended for survey control.
KX1250.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
KX1250.See file dsdata.txt to determine how the superseded data were derived.
KX1250
KX1250_MARKER: DD = SURVEY DISK
KX1250_SETTING: 36 = BRIDGE
KX1250_STAMPING: 3066
KX1250_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
KX1250
KX1250  HISTORY     - Date     Condition        Recov. By
KX1250  HISTORY     - UNK      MONUMENTED       PA6600
KX1250  HISTORY     - 1966     GOOD             NGS
KX1250
KX1250                          STATION DESCRIPTION
KX1250
KX1250''DESCRIBED BY NATIONAL GEODETIC SURVEY 1966
KX1250''2 MI W FROM RANKIN.
KX1250''ABOUT 2.0 MILES WEST ALONG THE BALTIMORE AND OHIO RAILROAD FROM
KX1250''THE STATION AT RANKIN, ABOUT 0.5 MILE NORTHEAST OF HOMESTEAD BRIDGE
KX1250''OVER BOTH THE TRACK AND THE MONONGAHELA RIVER AT MILEPOST NO.
KX1250''321-12, SET IN THE TOP OF THE NORTHEAST END OF THE CONCRETE BASE
KX1250''AT THE NORTHWEST END OF SIGNAL BRIDGE NO. 321-12, 7 FEET NORTHWEST
KX1250''OF THE NORTHWEST RAIL OF THE NORTHWEST ONE OF 4 TRACKS, 1/2 FOOT
KX1250''SOUTHWEST OF THE NORTHEAST END OF THE BASE AND 1 1/2 FEET BELOW
KX1250''LEVEL OF TRACK.