CH0089 ***********************************************************************
CH0089  DESIGNATION -  D 308
CH0089  PID         -  CH0089
CH0089  STATE/COUNTY-  AZ/PIMA
CH0089  USGS QUAD   -  LUKEVILLE
CH0089
CH0089                         *CURRENT SURVEY CONTROL
CH0089  ___________________________________________________________________
CH0089* NAD 83(1986)-  31 53 31.     (N)    112 49 12.     (W)     SCALED
CH0089* NAVD 88     -       437.766  (meters)    1436.24   (feet)  ADJUSTED
CH0089  ___________________________________________________________________
CH0089  GEOID HEIGHT-         -32.26  (meters)                     GEOID99
CH0089  DYNAMIC HT  -         437.197 (meters)    1434.37  (feet)  COMP
CH0089  MODELED GRAV-     979,325.1   (mgal)                       NAVD 88
CH0089
CH0089  VERT ORDER  -  FIRST     CLASS II
CH0089
CH0089.The horizontal coordinates were scaled from a topographic map and have
CH0089.an estimated accuracy of +/- 6 seconds.
CH0089
CH0089.The orthometric height was determined by differential leveling
CH0089.and adjusted by the National Geodetic Survey in June 1991.
CH0089
CH0089.The geoid height was determined by GEOID99.
CH0089
CH0089.The dynamic height is computed by dividing the NAVD 88
CH0089.geopotential number by the normal gravity value computed on the
CH0089.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
CH0089.degrees latitude (G = 980.6199 gals.).
CH0089
CH0089.The modeled gravity was interpolated from observed gravity values.
CH0089
CH0089;                    North         East    Units  Estimated Accuracy
CH0089;SPC AZ C     -    99,240.      127,910.      MT  (+/- 180 meters Scaled)
CH0089
CH0089                          SUPERSEDED SURVEY CONTROL
CH0089
CH0089  NGVD 29     -       437.017  (m)         1433.78   (f) ADJ UNCH    1 2
CH0089
CH0089.Superseded values are not recommended for survey control.
CH0089.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
CH0089.See file dsdata.txt to determine how the superseded data were derived.
CH0089
CH0089_MARKER: DB = BENCH MARK DISK
CH0089_SETTING: 7 = SET IN TOP OF CONCRETE MONUMENT
CH0089_STAMPING: D 308 1952
CH0089_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
CH0089+STABILITY: SURFACE MOTION
CH0089
CH0089  HISTORY     - Date     Condition        Recov. By
CH0089  HISTORY     - 1952     MONUMENTED       CGS
CH0089  HISTORY     - 1981     GOOD             NGS
CH0089
CH0089                          STATION DESCRIPTION
CH0089
CH0089''DESCRIBED BY COAST AND GEODETIC SURVEY 1952
CH0089''1.45 MI N FROM LUKEVILLE.
CH0089''0.95 MILE NORTH ALONG THE SONOYTA-AJO HIGHWAY FROM THE POST OFFICE AT
CH0089''LUKEVILLE TO JUNCTION, THENCE 0.5 MILE WEST ALONG A GRAVEL ROAD, 0.55
CH0089''MILE WEST OF B.M. BILL, AT A Y JUNCTION AND SET IN THE FORK OF THE Y,
CH0089''73 1/2 FEET SOUTHWEST OF THE CENTERLINE OF THE NORTHWEST ROAD, 38 FEET
CH0089''NORTH OF THE CENTERLINE OF THE QUITOVOQUITO ROAD, 2.0 FEET SOUTH OF
CH0089''THE WITNESS POST, IN A CONCRETE POST PROJECTING 0.3 FOOT, AND ABOUT
CH0089''LEVEL WITH THE ROAD.
CH0089
CH0089                          STATION RECOVERY (1981)
CH0089
CH0089''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981
CH0089''RECOVERED IN GOOD CONDITION.