AW0582 ***********************************************************************
AW0582  DESIGNATION -  C 168
AW0582  PID         -  AW0582
AW0582  STATE/COUNTY-  TX/GALVESTON
AW0582  USGS QUAD   -  GALVESTON (1977)
AW0582
AW0582                         *CURRENT SURVEY CONTROL
AW0582  ___________________________________________________________________
AW0582* NAD 83(1986)-  29 19 06.     (N)    094 45 42.     (W)     SCALED
AW0582* NAVD 88     -         4.303  (meters)      14.12   (feet)  ADJUSTED
AW0582  ___________________________________________________________________
AW0582  GEOID HEIGHT-         -26.50  (meters)                     GEOID99
AW0582  DYNAMIC HT  -           4.297 (meters)      14.10  (feet)  COMP
AW0582  MODELED GRAV-     979,264.5   (mgal)                       NAVD 88
AW0582
AW0582  VERT ORDER  -  FIRST     CLASS II
AW0582
AW0582.The horizontal coordinates were scaled from a topographic map and have
AW0582.an estimated accuracy of +/- 6 seconds.
AW0582
AW0582.The orthometric height was determined by differential leveling
AW0582.and adjusted by the National Geodetic Survey in March 1997.
AW0582.WARNING-Repeat measurements at this control monument indicate possible
AW0582.vertical movement.
AW0582
AW0582.The geoid height was determined by GEOID99.
AW0582
AW0582.The dynamic height is computed by dividing the NAVD 88
AW0582.geopotential number by the normal gravity value computed on the
AW0582.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
AW0582.degrees latitude (G = 980.6199 gals.).
AW0582
AW0582.The modeled gravity was interpolated from observed gravity values.
AW0582
AW0582;                    North         East    Units  Estimated Accuracy
AW0582;SPC TXSC     - 4,172,040.    1,011,560.      MT  (+/- 180 meters Scaled)
AW0582
AW0582                          SUPERSEDED SURVEY CONTROL
AW0582
AW0582  NGVD 29     -         4.337  (m)           14.23   (f) ADJUSTED    1 1
AW0582
AW0582.Superseded values are not recommended for survey control.
AW0582.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
AW0582.See file dsdata.txt to determine how the superseded data were derived.
AW0582
AW0582_MARKER: DJ = TIDAL STATION DISK
AW0582_SETTING: 37 = SEAWALL
AW0582_STAMPING: C 168 1936 ELEV 15.157 FT
AW0582_MAGNETIC: N = NO MAGNETIC MATERIAL
AW0582_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
AW0582_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
AW0582+SATELLITE: SATELLITE OBSERVATIONS - December 05, 1996
AW0582
AW0582  HISTORY     - Date     Condition        Recov. By
AW0582  HISTORY     - 1936     MONUMENTED       CGS
AW0582  HISTORY     - 1964     GOOD             NGS
AW0582  HISTORY     - 1978     GOOD             NGS
AW0582  HISTORY     - 1984     GOOD             USPSQD
AW0582  HISTORY     - 1987     GOOD             NGS
AW0582  HISTORY     - 1988     GOOD             USPSQD
AW0582  HISTORY     - 1988     GOOD             USPSQD
AW0582  HISTORY     - 1988     GOOD             USPSQD
AW0582  HISTORY     - 1988     GOOD             USPSQD
AW0582  HISTORY     - 1988     GOOD             USPSQD
AW0582  HISTORY     - 1988     GOOD             USPSQD
AW0582  HISTORY     - 1988     GOOD             USPSQD
AW0582  HISTORY     - 1988     GOOD             USPSQD
AW0582  HISTORY     - 1989     GOOD             USPSQD
AW0582  HISTORY     - 1989     GOOD             USPSQD
AW0582  HISTORY     - 1989     GOOD             USPSQD
AW0582  HISTORY     - 1989     MARK NOT FOUND   USPSQD
AW0582  HISTORY     - 1989     MARK NOT FOUND   USPSQD
AW0582  HISTORY     - 1989     GOOD             USPSQD
AW0582  HISTORY     - 1989     GOOD             USPSQD
AW0582  HISTORY     - 1989     GOOD             USPSQD
AW0582  HISTORY     - 1989     GOOD             USPSQD
AW0582  HISTORY     - 1990     GOOD             USPSQD
AW0582  HISTORY     - 19951006 GOOD             CHANCE
AW0582  HISTORY     - 19960327 GOOD             NGS
AW0582  HISTORY     - 19961205 GOOD             NGS
AW0582
AW0582                          STATION DESCRIPTION
AW0582
AW0582''DESCRIBED BY NATIONAL GEODETIC SURVEY 1964
AW0582''2.5 MI NE FROM GALVESTON.
AW0582''ABOUT 2.5 MILES NORTHEAST ALONG SEA WALL BOULEVARD FROM THE MOODY
AW0582''CENTER AT GALVESTON, ABOUT 0.1 MILE SOUTHWEST OF THE JUNCTION OF A
AW0582''ROAD LEADING OFF THE BOULEVARD TO THE BUREAU OF COMMERCIAL FISHERIES
AW0582''BIOLOGICAL LABORATORY, 33 FEET SOUTHEAST OF THE CENTER LINE OF THE
AW0582''BOULEVARD, SET IN THE CENTER OF THE TOP OF THE CONCRETE SEA WALL, AND
AW0582''ABOUT LEVEL WITH THE BOULEVARD.
AW0582
AW0582                          STATION RECOVERY (1978)
AW0582
AW0582''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1978
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1984)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1984
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1987)
AW0582
AW0582''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1987
AW0582''RECOVERED IN GOOD CONDITION WITH THE FOLLOWING EXCEPTIONS.  THE 1964
AW0582''DESCRIPTION STATES THAT THE DISK TYPE IS IS A BENCH MARK DISK AND WAS
AW0582''STAMPED C 168 1926 ELEV 15.157 FT, BUT THE DISK IS A TIDAL BENCH MARK
AW0582''DISK STAMPED C 168 1936 ELEV 15.157 FT.
AW0582
AW0582                          STATION RECOVERY (1988)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1988 (GB)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1988)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1988 (JLD)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1988)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1988 (NGB)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1988)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1988 (DM)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1988)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1988 (BMS)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1988)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1988 (LGS)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1988)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1988 (GWS)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1988)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1988 (JLS)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (HCM)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (MCM)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (GRE)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (JDA)
AW0582''MARK NOT FOUND.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (LJC)
AW0582''MARK NOT FOUND.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (GCM)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (GDB)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (GEB)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1989)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1989 (BJG)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1990)
AW0582
AW0582''RECOVERY NOTE BY US POWER SQUADRON 1990 (PSM)
AW0582''RECOVERED IN GOOD CONDITION.
AW0582
AW0582                          STATION RECOVERY (1995)
AW0582
AW0582''RECOVERY NOTE BY JE CHANCE AND ASSOCIATES 1995 (KAL)
AW0582''RECOVERED AS DESCRIBED.  ADDITIONAL TIES FOLLOW.  0.6 M (2.0 FT)
AW0582''NORTHWEST OF THE SOUTHEAST EDGE OF THE SEAWALL, 4.0 M (13.1 FT)
AW0582''SOUTHEAST OF THE SOUTHEAST EDGE OF SEAWALL BOULEVARD, 18 M (59.1 FT)
AW0582''SOUTH OF A POWERLINE CROSSING OVER THE BOULEVARD, 35.9 M (117.8 FT)
AW0582''SOUTHWEST OF A UTILITY POLE WITH TRANSFORMER.
AW0582
AW0582                          STATION RECOVERY (1996)
AW0582
AW0582''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1996 (RWD)
AW0582''RECOVERED AS DESCRIBED.
AW0582
AW0582                          STATION RECOVERY (1996)
AW0582
AW0582''RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1996 (GAS)
AW0582''1.8 KM (1.10 MI) NORTHEASTERLY ALONG SEAWALL BOULEVARD FROM THE
AW0582''JUNCTION OF BROADWAY AVENUE IN GALVESTON, IN A CONCRETE SEAWALL ALONG
AW0582''THE SOUTH SIDE OF THE BOULEVARD, 18.0 M (59.1 FT) SOUTHWEST OF A
AW0582''UTILITY LINE CROSSING THE BOULEVARD, 10.2 M (33.5 FT) SOUTHEAST OF THE
AW0582''BOULEVARD CENTERLINE, 0.5 M (1.6 FT) WEST OF THE EAST EDGE OF THE
AW0582''SEAWALL, AND 0.3 M (1.0 FT) BELOW THE LEVEL OF THE BOULEVARD.