KX1598 ***********************************************************************
KX1598  DESIGNATION -  T 4
KX1598  PID         -  KX1598
KX1598  STATE/COUNTY-  PA/BUTLER
KX1598  USGS QUAD   -  BUTLER (1977)
KX1598
KX1598                         *CURRENT SURVEY CONTROL
KX1598  ___________________________________________________________________
KX1598* NAD 83(1986)-  40 51 35.     (N)    079 53 07.     (W)     SCALED
KX1598* NAVD 88     -       307.321  (meters)    1008.27   (feet)  ADJUSTED
KX1598  ___________________________________________________________________
KX1598  GEOID HEIGHT-         -33.77  (meters)                     GEOID99
KX1598  DYNAMIC HT  -         307.165 (meters)    1007.76  (feet)  COMP
KX1598  MODELED GRAV-     980,109.9   (mgal)                       NAVD 88
KX1598
KX1598  VERT ORDER  -  FIRST     CLASS II
KX1598
KX1598.The horizontal coordinates were scaled from a topographic map and have
KX1598.an estimated accuracy of +/- 6 seconds.
KX1598
KX1598.The orthometric height was determined by differential leveling
KX1598.and adjusted by the National Geodetic Survey in June 1991.
KX1598
KX1598.The geoid height was determined by GEOID99.
KX1598
KX1598.The dynamic height is computed by dividing the NAVD 88
KX1598.geopotential number by the normal gravity value computed on the
KX1598.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
KX1598.degrees latitude (g = 980.6199 gals.).
KX1598
KX1598.The modeled gravity was interpolated from observed gravity values.
KX1598
KX1598;                    North         East    Units  Estimated Accuracy
KX1598;SPC PA S     -   171,660.      419,990.      MT  (+/- 180 meters Scaled)
KX1598
KX1598                          SUPERSEDED SURVEY CONTROL
KX1598
KX1598  NGVD 29     -       307.465  (m)         1008.74   (f) ADJUSTED    1 2
KX1598
KX1598.Superseded values are not recommended for survey control.
KX1598.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
KX1598.See file dsdata.txt to determine how the superseded data were derived.
KX1598
KX1598_MARKER: DB = BENCH MARK DISK
KX1598_SETTING: 36 = PIER
KX1598_STAMPING: T 4 1931
KX1598_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
KX1598
KX1598  HISTORY     - Date     Condition        Recov. By
KX1598  HISTORY     - 1931     MONUMENTED       CGS
KX1598  HISTORY     - 1952     GOOD             NGS
KX1598  HISTORY     - 1952     GOOD             NGS
KX1598  HISTORY     - 1983     GOOD             NGS
KX1598
KX1598                          STATION DESCRIPTION
KX1598
KX1598''DESCRIBED BY NATIONAL GEODETIC SURVEY 1952
KX1598''AT BUTLER.
KX1598''AT BUTLER, BUTLER COUNTY, AT THE RAILROAD YARDS, IN THE SOUTH
KX1598''ONE OF THE TWO MIDDLE PIERS OF THE BESSEMER AND LAKE ERIE
KX1598''RAILROAD OVERHEAD CROSSING OVER THE PENNSYLVANIA RAILROAD, IN
KX1598''THE SOUTH FACE OF THE PIER, 4.8 FEET ABOVE THE TRACKS AND 4
KX1598''FEET FROM THE SOUTHWEST CORNER OF THE PIER.  A STANDARD DISK,
KX1598''STAMPED T 4 1931 AND SET VERTICALLY.
KX1598
KX1598                          STATION RECOVERY (1952)
KX1598
KX1598''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1952
KX1598''RECOVERED IN GOOD CONDITION.
KX1598
KX1598                          STATION RECOVERY (1983)
KX1598
KX1598''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983
KX1598''RECOVERED IN GOOD CONDITION.