DX3298 ***********************************************************************
DX3298  DESIGNATION -  T 779
DX3298  PID         -  DX3298
DX3298  STATE/COUNTY-  CA/ORANGE
DX3298  USGS QUAD   -  LA HABRA (1981)
DX3298
DX3298                         *CURRENT SURVEY CONTROL
DX3298  ___________________________________________________________________
DX3298* NAD 83(1986)-  33 55 40.     (N)    117 57 17.     (W)     SCALED
DX3298* NAVD 88     -        83.191  (meters)     272.94   (feet)  READJUSTED
DX3298  ___________________________________________________________________
DX3298  GEOID HEIGHT-         -34.99  (meters)                     GEOID99
DX3298  DYNAMIC HT  -          83.100 (meters)     272.64  (feet)  COMP
DX3298  MODELED GRAV-     979,558.2   (mgal)                       NAVD 88
DX3298
DX3298  VERT ORDER  -  * READJUSTED, Code A , SEE BELOW
DX3298
DX3298.The horizontal coordinates were scaled from a topographic map and have
DX3298.an estimated accuracy of +/- 6 seconds.
DX3298
DX3298.The orthometric height was determined by differential leveling
DX3298.and adjusted by the National Geodetic Survey in February 1993.
DX3298.* This is a READJUSTED BENCH MARK height.  Code A indicates a
DX3298.distribution rate of 0.0 thru 1.0 mm/km.
DX3298.The height was derived from older observations constrained to new
DX3298.heights in a crustal motion area.  The height is approximate in
DX3298.relation to other heights in its vicinity.
DX3298
DX3298.The geoid height was determined by GEOID99.
DX3298
DX3298.The dynamic height is computed by dividing the NAVD 88
DX3298.geopotential number by the normal gravity value computed on the
DX3298.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
DX3298.degrees latitude (G = 980.6199 gals.).
DX3298
DX3298.The modeled gravity was interpolated from observed gravity values.
DX3298
DX3298;                    North         East    Units  Estimated Accuracy
DX3298;SPC CA 6     -   696,610.    1,842,380.      MT  (+/- 180 meters Scaled)
DX3298
DX3298                          SUPERSEDED SURVEY CONTROL
DX3298
DX3298  NGVD 29     -        82.455  (m)          270.52   (f) ADJ UNCH    1 1
DX3298
DX3298.Superseded values are not recommended for survey control.
DX3298.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DX3298.See file dsdata.txt to determine how the superseded data were derived.
DX3298
DX3298_MARKER: DB = BENCH MARK DISK
DX3298_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
DX3298_STAMPING: T 779 1946
DX3298_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
DX3298+STABILITY: SURFACE MOTION
DX3298
DX3298  HISTORY     - Date     Condition        Recov. By
DX3298  HISTORY     - 1946     MONUMENTED       CGS
DX3298  HISTORY     - 1958     GOOD             NGS
DX3298  HISTORY     - 1974     GOOD             CA-059
DX3298  HISTORY     - 1978     GOOD             NGS
DX3298
DX3298                          STATION DESCRIPTION
DX3298
DX3298''DESCRIBED BY NATIONAL GEODETIC SURVEY 1958
DX3298''0.5 MI W FROM LA HABRA.
DX3298''ABOUT 0.5 MILE WEST ALONG THE PACIFIC ELECTRIC RAILROAD FROM
DX3298''THE PACIFIC ELECTRIC STATION IN LA HABRA, ABOUT 200 FEET NORTH
DX3298''OF THE INTERSECTION OF ELECTRIC AVE. AND MONTA VISTA ST., 24.7
DX3298''FEET WEST OF THE CENTERLINE OF MONTA VISTA ST. AND 16.6 FEET
DX3298''NORTH OF THE CENTERLINE OF THE RAILROAD TRACKS.  THE MARK IS
DX3298''SET IN TOP OF A SQUARE CONCRETE POST WHICH PROJECTS 6 INCHES
DX3298''ABOVE THE GROUND AND IS 1.3 FEET HIGHER THAN THE TOP OF THE
DX3298''RAILS.
DX3298
DX3298                          STATION RECOVERY (1974)
DX3298
DX3298''RECOVERY NOTE BY ORANGE COUNTY CALIFORNIA 1974
DX3298''RECOVERED IN GOOD CONDITION.
DX3298
DX3298                          STATION RECOVERY (1978)
DX3298
DX3298''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978
DX3298''RECOVERED IN GOOD CONDITION.