DA1109 ***********************************************************************
DA1109  DESIGNATION -  Z 321
DA1109  PID         -  DA1109
DA1109  STATE/COUNTY-  AZ/YUMA
DA1109  USGS QUAD   -  DATELAND (1982)
DA1109
DA1109                         *CURRENT SURVEY CONTROL
DA1109  ___________________________________________________________________
DA1109* NAD 83(1986)-  32 48 20.     (N)    113 30 53.     (W)     SCALED
DA1109* NAVD 88     -       142.897  (meters)     468.82   (feet)  ADJUSTED
DA1109  ___________________________________________________________________
DA1109  GEOID HEIGHT-         -32.19  (meters)                     GEOID99
DA1109  DYNAMIC HT  -         142.735 (meters)     468.29  (feet)  COMP
DA1109  MODELED GRAV-     979,501.8   (mgal)                       NAVD 88
DA1109
DA1109  VERT ORDER  -  FIRST     CLASS II
DA1109
DA1109.The horizontal coordinates were scaled from a topographic map and have
DA1109.an estimated accuracy of +/- 6 seconds.
DA1109
DA1109.The orthometric height was determined by differential leveling
DA1109.and adjusted by the National Geodetic Survey in June 1991.
DA1109
DA1109.The geoid height was determined by GEOID99.
DA1109
DA1109.The dynamic height is computed by dividing the NAVD 88
DA1109.geopotential number by the normal gravity value computed on the
DA1109.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
DA1109.degrees latitude (G = 980.6199 gals.).
DA1109
DA1109.The modeled gravity was interpolated from observed gravity values.
DA1109
DA1109;                    North         East    Units  Estimated Accuracy
DA1109;SPC AZ W     -   200,220.      235,390.      MT  (+/- 180 meters Scaled)
DA1109
DA1109                          SUPERSEDED SURVEY CONTROL
DA1109
DA1109  NGVD 29     -       142.334  (m)          466.97   (f) ADJ UNCH    1 2
DA1109
DA1109.Superseded values are not recommended for survey control.
DA1109.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
DA1109.See file dsdata.txt to determine how the superseded data were derived.
DA1109
DA1109_MARKER: DB = BENCH MARK DISK
DA1109_SETTING: 30 = CULVERT
DA1109_STAMPING: Z 321 1952
DA1109_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
DA1109
DA1109  HISTORY     - Date     Condition        Recov. By
DA1109  HISTORY     - 1952     MONUMENTED       CGS
DA1109  HISTORY     - 1971     GOOD             NGS
DA1109  HISTORY     - 1981     GOOD             NGS
DA1109  HISTORY     - 1981     GOOD             NGS
DA1109
DA1109                          STATION DESCRIPTION
DA1109
DA1109''DESCRIBED BY NATIONAL GEODETIC SURVEY 1971
DA1109''1.7 MI E FROM DATELAND.
DA1109''0.2 MILE SOUTH FROM THE POST OFFICE IN DATELAND TO A T-INTERSECTION,
DA1109''THENCE EAST FOR 1.7 MILES, 2 POLES SOUTHWEST OF MILEPOST 808, 41 FEET
DA1109''SOUTH OF A TELEPHONE POLE, 6 FEET NORTH OF THE NORTH RAIL, CEMENTED IN
DA1109''A DRILL HOLE IN THE EAST ABUTMENT OF A CONCRETE CULVERT UNDER THE
DA1109''SOUTHERN PACIFIC COMPANY RAILROAD.  NOTE-- (Z 321 WAS USED FOR AN
DA1109''AZIMUTH MARK FOR TRIANGULATION STATION CONTROL 1971).
DA1109
DA1109                          STATION RECOVERY (1981)
DA1109
DA1109''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981
DA1109''RECOVERED IN GOOD CONDITION.
DA1109
DA1109                          STATION RECOVERY (1981)
DA1109
DA1109''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1981
DA1109''RECOVERED IN GOOD CONDITION.