CS1128 ***********************************************************************
CS1128  DESIGNATION -  X 910
CS1128  PID         -  CS1128
CS1128  STATE/COUNTY-  TX/DALLAS
CS1128  USGS QUAD   -  DUNCANVILLE (1982)
CS1128
CS1128                         *CURRENT SURVEY CONTROL
CS1128  ___________________________________________________________________
CS1128* NAD 83(1986)-  32 44 42.     (N)    096 59 13.     (W)     SCALED
CS1128* NAVD 88     -       154.288  (meters)     506.19   (feet)  ADJUSTED
CS1128  ___________________________________________________________________
CS1128  GEOID HEIGHT-         -26.94  (meters)                     GEOID99
CS1128  DYNAMIC HT  -         154.110 (meters)     505.61  (feet)  COMP
CS1128  MODELED GRAV-     979,482.9   (mgal)                       NAVD 88
CS1128
CS1128  VERT ORDER  -  FIRST     CLASS II
CS1128
CS1128.The horizontal coordinates were scaled from a topographic map and have
CS1128.an estimated accuracy of +/- 6 seconds.
CS1128
CS1128.The orthometric height was determined by differential leveling
CS1128.and adjusted by the National Geodetic Survey in June 1991.
CS1128.WARNING-Repeat measurements at this control monument indicate possible
CS1128.vertical movement.
CS1128
CS1128.The geoid height was determined by GEOID99.
CS1128
CS1128.The dynamic height is computed by dividing the NAVD 88
CS1128.geopotential number by the normal gravity value computed on the
CS1128.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
CS1128.degrees latitude (G = 980.6199 gals.).
CS1128
CS1128.The modeled gravity was interpolated from observed gravity values.
CS1128
CS1128;                    North         East    Units  Estimated Accuracy
CS1128;SPC TXNC     - 2,120,600.      741,780.      MT  (+/- 180 meters Scaled)
CS1128
CS1128                          SUPERSEDED SURVEY CONTROL
CS1128
CS1128  NGVD 29     -       154.334  (m)          506.34   (f) ADJ UNCH    1 2
CS1128
CS1128.Superseded values are not recommended for survey control.
CS1128.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
CS1128.See file dsdata.txt to determine how the superseded data were derived.
CS1128
CS1128_MARKER: DB = BENCH MARK DISK
CS1128_SETTING: 35 = TOWER FOUNDATION
CS1128_STAMPING: X 910 1945
CS1128_STABILITY: C = MAY HOLD, BUT OF TYPE COMMONLY SUBJECT TO
CS1128+STABILITY: SURFACE MOTION
CS1128
CS1128  HISTORY     - Date     Condition        Recov. By
CS1128  HISTORY     - 1945     MONUMENTED       CGS
CS1128  HISTORY     - 1952     GOOD             NGS
CS1128  HISTORY     - 1966     GOOD             NGS
CS1128  HISTORY     - 1981     GOOD             LOCSUR
CS1128  HISTORY     - 1986     GOOD             NGS
CS1128
CS1128                          STATION DESCRIPTION
CS1128
CS1128''DESCRIBED BY NATIONAL GEODETIC SURVEY 1952
CS1128''0.9 MI E FROM GRAND PRAIRIE.
CS1128''0.9 MILE EAST ALONG THE TEXAS AND PACIFIC RAILROAD FROM THE STATION AT
CS1128''GRAND PRAIRIE, 200 FEET NORTHEAST OF THE CENTER OF THE INTERSECTION OF
CS1128''JEFFERSON AVENUE AND 14TH STREET, 100 FEET NORTH OF THE CENTER LINE OF
CS1128''JEFFERSON AVENUE, 7 FEET SOUTH OF THE SOUTH RAIL OF THE SOUTH TRACK,
CS1128''1.8 FEET ABOVE THE TOP OF THE RAILS, SET IN THE TOP OF THE NORTHWEST
CS1128''CORNER OF THE SOUTH CONCRETE FOUNDATION OF A SIGNAL BRIDGE.
CS1128
CS1128                          STATION RECOVERY (1966)
CS1128
CS1128''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1966
CS1128''RECOVERED IN GOOD CONDITION.
CS1128
CS1128                          STATION RECOVERY (1981)
CS1128
CS1128''RECOVERY NOTE BY LOCAL SURVEYOR (INDIVIDUAL OR FIRM) 1981
CS1128''OLDER MARK - USC & GS ONLY OTHER LETTERS ON MARK.
CS1128
CS1128                          STATION RECOVERY (1986)
CS1128
CS1128''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1986
CS1128''RECOVERED IN GOOD CONDITION.  A NEW DESCRIPTION FOLLOWS.  IN GRAND
CS1128''PRAIRIE, AT THE JUNCTION OF FOURTEENTH STREET AND THE MISSOURI PACIFIC
CS1128''RAILROAD, IN THE NORTHWEST CORNER OF THE SOUTH CONCRETE BASE OF A
CS1128''RAILROAD SIGNAL TOWER, 34.5 M (113.2 FT) EAST OF THE CENTERLINE OF THE
CS1128''STREET, 30.5 M (100.1 FT) NORTH OF THE CENTERLINE OF EAST JEFFERSON
CS1128''STREET, AND 2.2 M (7.2 FT) SOUTH OF THE NEAR RAIL.
CS1128''THE MARK IS 0.5 M ABOVE THE TRACKS.