BM0537 ***********************************************************************
BM0537  DESIGNATION -  H 1225
BM0537  PID         -  BM0537
BM0537  STATE/COUNTY-  TX/BASTROP
BM0537  USGS QUAD   -  UTLEY (1982)
BM0537
BM0537                         *CURRENT SURVEY CONTROL
BM0537  ___________________________________________________________________
BM0537* NAD 83(1986)-  30 09 22.     (N)    097 29 47.     (W)     SCALED
BM0537* NAVD 88     -       136.909  (meters)     449.18   (feet)  ADJUSTED
BM0537  ___________________________________________________________________
BM0537  GEOID HEIGHT-         -26.07  (meters)                     GEOID99
BM0537  DYNAMIC HT  -         136.723 (meters)     448.57  (feet)  COMP
BM0537  MODELED GRAV-     979,281.0   (mgal)                       NAVD 88
BM0537
BM0537  VERT ORDER  -  FIRST     CLASS I
BM0537
BM0537.The horizontal coordinates were scaled from a topographic map and have
BM0537.an estimated accuracy of +/- 6 seconds.
BM0537
BM0537.The orthometric height was determined by differential leveling
BM0537.and adjusted by the National Geodetic Survey in June 1991.
BM0537
BM0537.The geoid height was determined by GEOID99.
BM0537
BM0537.The dynamic height is computed by dividing the NAVD 88
BM0537.geopotential number by the normal gravity value computed on the
BM0537.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
BM0537.degrees latitude (G = 980.6199 gals.).
BM0537
BM0537.The modeled gravity was interpolated from observed gravity values.
BM0537
BM0537;                    North         East    Units  Estimated Accuracy
BM0537;SPC TX C     - 3,057,740.      973,260.      MT  (+/- 180 meters Scaled)
BM0537
BM0537                          SUPERSEDED SURVEY CONTROL
BM0537
BM0537  NGVD 29     -       136.837  (m)          448.94   (f) ADJ UNCH    1 1
BM0537
BM0537.Superseded values are not recommended for survey control.
BM0537.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
BM0537.See file dsdata.txt to determine how the superseded data were derived.
BM0537
BM0537_MARKER: DB = BENCH MARK DISK
BM0537_SETTING: 30 = RETAINING WALL
BM0537_STAMPING: H 1225 1973
BM0537_STABILITY: D = MARK OF QUESTIONABLE OR UNKNOWN STABILITY
BM0537
BM0537  HISTORY     - Date     Condition        Recov. By
BM0537  HISTORY     - 1973     MONUMENTED       NGS
BM0537  HISTORY     - 1978     GOOD             NGS
BM0537  HISTORY     - 1989     GOOD             USPSQD
BM0537  HISTORY     - 1989     GOOD             USPSQD
BM0537  HISTORY     - 1991     GOOD             USPSQD
BM0537  HISTORY     - 19951226 GOOD             USPSQD
BM0537
BM0537                          STATION DESCRIPTION
BM0537
BM0537''DESCRIBED BY NATIONAL GEODETIC SURVEY 1973
BM0537''4.45 MI SE FROM GARFIELD.
BM0537''ABOUT 4.45 MILES SOUTHEAST ALONG STATE HIGHWAY 71 FROM A GULF SERVICE
BM0537''STATION AND STORE AT GARFIELD AT A CONCRETE HIGHWAY BRIDGE OVER RED
BM0537''GULLY CREEK, 25.8 FEET NORTHEAST OF THE CENTER LINE OF THE SOUTHWEST
BM0537''LAND OF THE HIGHWAY, SET IN TOP OF THE SOUTHEAST END OF A RETAINING
BM0537''WALL EXTENDING SOUTH EASTERLY FROM THE NORTHEAST END OF THE SOUTHEAST
BM0537''CONCRETE ABUTMENT, 0.5 FEET SOUTHWEST OF A STEEL GUARD RAIL, 0.8 MILES
BM0537''SOUTHEAST OF THE BENCH MARK G 1225, AND ABOUT LEVEL WITH THE HIGHWAY.
BM0537
BM0537                          STATION RECOVERY (1978)
BM0537
BM0537''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978
BM0537''RECOVERED IN GOOD CONDITION.
BM0537
BM0537                          STATION RECOVERY (1989)
BM0537
BM0537''RECOVERY NOTE BY US POWER SQUADRON 1989 (CGG)
BM0537''RECOVERED IN GOOD CONDITION.
BM0537
BM0537                          STATION RECOVERY (1989)
BM0537
BM0537''RECOVERY NOTE BY US POWER SQUADRON 1989 (CAG)
BM0537''RECOVERED IN GOOD CONDITION.
BM0537
BM0537                          STATION RECOVERY (1991)
BM0537
BM0537''RECOVERY NOTE BY US POWER SQUADRON 1991 (CGG)
BM0537''RECOVERED IN GOOD CONDITION.
BM0537
BM0537                          STATION RECOVERY (1995)
BM0537
BM0537''RECOVERY NOTE BY US POWER SQUADRON 1995
BM0537''RECOVERED IN GOOD CONDITION.