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Details for Benchmark: AW4256

N 29° 26.000 W 095° 57.017 (NAD 83)

Altitude: 96.2

Coordinates may not be exact. Altitude is VERTCON and location is SCALED. (more info)

Location:
In FORT BEND county, TX View Original Datasheet
Designation:
N 800
Marker Type:
bench mark disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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Found in poor condition. Leaning to the north.

[Photos:]
photoDisk Closeup
photoDisk Area

Documented History (by the NGS)

01/01/1943 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1943 3.35 MI SE FROM KENDLETON. TO REACH FROM THE KENDLETON NEGRO SCHOOL NO. 2 (0.75 MILE NORTHEAST OF THE RAILROAD STATION AT KENDLETON), PROCEED 2.6 MILES SOUTHEASTERLY ALONG A COUNTY DIRT ROAD TO SITE OF BENCH MARK. BENCH MARK IS 0.1 MILE SOUTHEAST OF A SMALL WOODEN BRIDGE ACROSS THE ROAD. IT IS 33.0 FEET SOUTHWEST OF AND ABOUT 1.0 FOOT BELOW THE CENTERLINE OF THE ROAD, 0.5 FOOT SOUTHWEST OF THE SOUTHWEST RIGHT-OF-WAY FENCE. MONUMENT IS 2.2 FEET NORTHWEST OF A 4 X 4 INCH WHITE WOODEN MARKER POST AND PROJECTS 0.1 FOOT ABOVE THE GROUND, AND SET IN A CONCRETE POST.
12/10/1995 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1995 MARK NOT FOUND.
02/07/1998 by USPSQD (POOR)
RECOVERY NOTE BY US POWER SQUADRON 1998 MARK RECOVERED IN POOR CONDITION.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The geoid height was determined by GEOID99.

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