CZ0055 ***********************************************************************
CZ0055  DESIGNATION -  Z 316
CZ0055  PID         -  CZ0055
CZ0055  STATE/COUNTY-  AZ/PIMA
CZ0055  USGS QUAD   -  TUCSON (1983)
CZ0055
CZ0055                         *CURRENT SURVEY CONTROL
CZ0055  ___________________________________________________________________
CZ0055* NAD 83(1986)-  32 10 33.     (N)    110 54 31.     (W)     SCALED
CZ0055* NAVD 88     -       786.834  (meters)    2581.47   (feet)  ADJUSTED
CZ0055  ___________________________________________________________________
CZ0055  GEOID HEIGHT-         -29.13  (meters)                     GEOID99
CZ0055  DYNAMIC HT  -         785.737 (meters)    2577.87  (feet)  COMP
CZ0055  MODELED GRAV-     979,219.7   (mgal)                       NAVD 88
CZ0055
CZ0055  VERT ORDER  -  FIRST     CLASS II
CZ0055
CZ0055.The horizontal coordinates were scaled from a topographic map and have
CZ0055.an estimated accuracy of +/- 6 seconds.
CZ0055
CZ0055.The orthometric height was determined by differential leveling
CZ0055.and adjusted by the National Geodetic Survey in June 1991.
CZ0055
CZ0055.The geoid height was determined by GEOID99.
CZ0055
CZ0055.The dynamic height is computed by dividing the NAVD 88
CZ0055.geopotential number by the normal gravity value computed on the
CZ0055.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
CZ0055.degrees latitude (G = 980.6199 gals.).
CZ0055
CZ0055.The modeled gravity was interpolated from observed gravity values.
CZ0055
CZ0055;                    North         East    Units  Estimated Accuracy
CZ0055;SPC AZ C     -   130,810.      308,430.      MT  (+/- 180 meters Scaled)
CZ0055
CZ0055                          SUPERSEDED SURVEY CONTROL
CZ0055
CZ0055  NGVD 29     -       786.209  (m)         2579.42   (f) ADJ UNCH    1 2
CZ0055
CZ0055.Superseded values are not recommended for survey control.
CZ0055.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
CZ0055.See file dsdata.txt to determine how the superseded data were derived.
CZ0055
CZ0055_MARKER: DB = BENCH MARK DISK
CZ0055_SETTING: 36 = ABUTMENT
CZ0055_STAMPING: Z 316 1952
CZ0055_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
CZ0055
CZ0055  HISTORY     - Date     Condition        Recov. By
CZ0055  HISTORY     - 1952     MONUMENTED       CGS
CZ0055  HISTORY     - 1979     GOOD             NGS
CZ0055
CZ0055                          STATION DESCRIPTION
CZ0055
CZ0055''DESCRIBED BY COAST AND GEODETIC SURVEY 1952
CZ0055''5.1 MI SE FROM TUCSON.
CZ0055''5.1 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE
CZ0055''STATION AT TUCSON, ON TOP AND AT THE NORTHEAST END OF THE NORTHWEST
CZ0055''CONCRETE ABUTMENT OF BRIDGE NUMBER 988.80, 7.4 FEET EAST OF THE EAST
CZ0055''RAIL OF THE EAST TRACK, AND ABOUT LEVEL WITH THE TRACKS.
CZ0055
CZ0055                          STATION RECOVERY (1979)
CZ0055
CZ0055''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1979
CZ0055''5.1 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE
CZ0055''STATION AT TUCSON, 0.15 MILE SOUTH OF THE CROSSING OF AJO HIGHWAY,
CZ0055''AT BRIDGE 988.80, IN TOP OF THE EAST END OF THE NORTH ABUTMENT, 7.5
CZ0055''FEET EAST OF THE EAST RAIL OF THE EAST SET OF TRACKS, 1.2 FEET WEST
CZ0055''OF THE END OF THE HEADWALL.
CZ0055''THE MARK IS ABOVE LEVEL WITH BOTTOM OF THE RAILS.