CG0558 ***********************************************************************
CG0558  DESIGNATION -  B
CG0558  PID         -  CG0558
CG0558  STATE/COUNTY-  AZ/SANTA CRUZ
CG0558  USGS QUAD   -  AMADO (1981)
CG0558
CG0558                         *CURRENT SURVEY CONTROL
CG0558  ___________________________________________________________________
CG0558* NAD 83(1986)-  31 43 10.     (N)    111 03 44.     (W)     SCALED
CG0558* NAVD 88     -       937.937  (meters)    3077.22   (feet)  ADJUSTED
CG0558  ___________________________________________________________________
CG0558  GEOID HEIGHT-         -29.52  (meters)                     GEOID99
CG0558  DYNAMIC HT  -         936.552 (meters)    3072.67  (feet)  COMP
CG0558  MODELED GRAV-     979,132.1   (mgal)                       NAVD 88
CG0558
CG0558  VERT ORDER  -  FIRST     CLASS II
CG0558
CG0558.The horizontal coordinates were scaled from a topographic map and have
CG0558.an estimated accuracy of +/- 6 seconds.
CG0558
CG0558.The orthometric height was determined by differential leveling
CG0558.and adjusted by the National Geodetic Survey in June 1991.
CG0558
CG0558.The geoid height was determined by GEOID99.
CG0558
CG0558.The dynamic height is computed by dividing the NAVD 88
CG0558.geopotential number by the normal gravity value computed on the
CG0558.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
CG0558.degrees latitude (G = 980.6199 gals.).
CG0558
CG0558.The modeled gravity was interpolated from observed gravity values.
CG0558
CG0558;                    North         East    Units  Estimated Accuracy
CG0558;SPC AZ C     -    80,080.      294,340.      MT  (+/- 180 meters Scaled)
CG0558
CG0558                          SUPERSEDED SURVEY CONTROL
CG0558
CG0558  NGVD 29     -       937.148  (m)         3074.63   (f) ADJ UNCH    1 2
CG0558
CG0558.Superseded values are not recommended for survey control.
CG0558.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
CG0558.See file dsdata.txt to determine how the superseded data were derived.
CG0558
CG0558_MARKER: DD = SURVEY DISK
CG0558_SETTING: 36 = BRIDGE
CG0558_STAMPING: B 3074.74 1568+06.72 1953
CG0558_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
CG0558
CG0558  HISTORY     - Date     Condition        Recov. By
CG0558  HISTORY     - 1953     MONUMENTED       AZHD
CG0558  HISTORY     - 1959     GOOD             NGS
CG0558  HISTORY     - 1979     GOOD             USGS
CG0558  HISTORY     - 1980     GOOD             NGS
CG0558
CG0558                          STATION DESCRIPTION
CG0558
CG0558''DESCRIBED BY NATIONAL GEODETIC SURVEY 1959
CG0558''0.1 MI S FROM AMADO.
CG0558''0.1 MILE SOUTH ALONG U.S. HIGHWAY 89 FROM THE POST OFFICE AT AMADO,
CG0558''0.1 MILE SOUTH OF MILEPOST 30, 20.8 FEET WEST OF THE CENTER OF THE
CG0558''HIGHWAY, CEMENTED IN THE NORTH END OF A LARGE CONCRETE BRIDGE, 3.0
CG0558''FEET SOUTH OF THE NORTH END OF THE WEST CURB AND ABOUT 1 FOOT HIGHER
CG0558''THAN THE HIGHWAY.
CG0558
CG0558                          STATION RECOVERY (1979)
CG0558
CG0558''RECOVERY NOTE BY US GEOLOGICAL SURVEY 1979
CG0558''0.4 MILES SOUTH OF ARIVACA JCT. ON WEST FRONTAGE ROAD; 20.8 FEET WEST
CG0558''OF FRONTAGE ROAD, 3 FEET SOUTH OF NORTH END OF CRUB, CEMENTED IN
CG0558''NORTHWEST CORNER OF BRIDGE, 1 FOOT HIGHER THAN CENTERLINE OF ROAD.
CG0558
CG0558                          STATION RECOVERY (1980)
CG0558
CG0558''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1980
CG0558''0.5 KILOMETER (0.35 MILE) SOUTH ALONG THE WEST FRONTAGE ROAD OF
CG0558''INTERSTATE HIGHWAY I-19 FROM THE AMADO RURAL POST OFFICE AT AMADO,
CG0558''AT A CONCRETE BRIDGE OVER SOPORI WASH, IN THE TOP OF THE NORTH
CG0558''END OF THE WEST CURB, 6.5 METERS (21.2 FEET) WEST OF THE
CG0558''CENTERLINE OF THE FRONTAGE ROAD FORMER U.S. HIGHWAY 89, 0.9 METER
CG0558''(3.0 FEET) SOUTH OF THE NORTH END OF THE CURB.
CG0558''THE MARK IS 0.3 M ABOVE THE FRONTAGE ROAD.