NJ0540 ***********************************************************************
NJ0540  DESIGNATION -  T 80
NJ0540  PID         -  NJ0540
NJ0540  STATE/COUNTY-  IA/LINN
NJ0540  USGS QUAD   -  MARION (1994)
NJ0540
NJ0540                         *CURRENT SURVEY CONTROL
NJ0540  ___________________________________________________________________
NJ0540* NAD 83(1986)-  42 01 46.     (N)    091 33 31.     (W)     SCALED
NJ0540* NAVD 88     -       245.988  (meters)     807.05   (feet)  ADJUSTED
NJ0540  ___________________________________________________________________
NJ0540  GEOID HEIGHT-         -32.15  (meters)                     GEOID99
NJ0540  DYNAMIC HT  -         245.897 (meters)     806.75  (feet)  COMP
NJ0540  MODELED GRAV-     980,246.1   (mgal)                       NAVD 88
NJ0540
NJ0540  VERT ORDER  -  SECOND    CLASS 0
NJ0540
NJ0540.The horizontal coordinates were scaled from a topographic map and have
NJ0540.an estimated accuracy of +/- 6 seconds.
NJ0540
NJ0540.The orthometric height was determined by differential leveling
NJ0540.and adjusted by the National Geodetic Survey in June 1991.
NJ0540
NJ0540.The geoid height was determined by GEOID99.
NJ0540
NJ0540.The dynamic height is computed by dividing the NAVD 88
NJ0540.geopotential number by the normal gravity value computed on the
NJ0540.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
NJ0540.degrees latitude (g = 980.6199 gals.).
NJ0540
NJ0540.The modeled gravity was interpolated from observed gravity values.
NJ0540
NJ0540;                    North         East    Units  Estimated Accuracy
NJ0540;SPC IA N     - 1,060,660.    1,660,760.      MT  (+/- 180 meters Scaled)
NJ0540
NJ0540                          SUPERSEDED SURVEY CONTROL
NJ0540
NJ0540  NGVD 29     -       246.015  (m)          807.13   (f) ADJ UNCH    2 0
NJ0540
NJ0540.Superseded values are not recommended for survey control.
NJ0540.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
NJ0540.See file dsdata.txt to determine how the superseded data were derived.
NJ0540
NJ0540_MARKER: DB = BENCH MARK DISK
NJ0540_SETTING: 36 = ABUTMENT
NJ0540_STAMPING: T 80 1934
NJ0540_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
NJ0540
NJ0540  HISTORY     - Date     Condition        Recov. By
NJ0540  HISTORY     - 1934     MONUMENTED       CGS
NJ0540  HISTORY     - 19940504 MARK NOT FOUND   USPSQD
NJ0540
NJ0540                          STATION DESCRIPTION
NJ0540
NJ0540''DESCRIBED BY COAST AND GEODETIC SURVEY 1934
NJ0540''2 MI E FROM MARION.
NJ0540''2.0 MILES EAST ALONG THE CHICAGO, MILWAUKEE, ST. PAUL AND
NJ0540''PACIFIC RAILROAD FROM THE STATION AT MARION, LINN COUNTY, AT
NJ0540''MILEPOST 225, AT A 30-FOOT CONCRETE ARCH BRIDGE, IN THE TOP
NJ0540''OF THE SOUTH END OF THE EAST CONCRETE ABUTMENT, 10 FEET SOUTH
NJ0540''OF THE CENTERLINE OF THE SOUTH TRACK, AND 2 FEET LOWER THAN THE
NJ0540''TRACK.  A STANDARD DISK, STAMPED T 80 1934.
NJ0540
NJ0540                          STATION RECOVERY (1994)
NJ0540
NJ0540''RECOVERY NOTE BY US POWER SQUADRON 1994
NJ0540''MARK NOT FOUND.