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Details for Benchmark: AX0090

N 29° 31.650 W 096° 06.150 (NAD 83)

Altitude: 122.7

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

Location:
In WHARTON county, TX View Original Datasheet
Designation:
N 812 RESET 1954
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 good condition.

[Photos:]
photoDisk Closeup
photoDisk Area

Documented History (by the NGS)

1/1/1954 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1954 2.15 MI W FROM EAST BERNARD. 2.15 MILES WEST ALONG U.S. HIGHWAY 90 A FROM THE TEXAS AND NEW ORLEANS RAILROAD STATION AT EAST BERNARD, ON THE OUTSIDE OF A CURVE IN THE HIGHWAY, 1 1/2 POLES EAST OF MILEPOST 54, 0.15 MILE WEST OF A FARMHOUSE, 71 FEET SOUTH OF THE CENTER LINE OF THE HIGHWAY, 1.5 FEET NORTH OF A FENCE, 2 FEET EAST OF A WITNESS POST, SET IN THE TOP OF A CONCRETE POST WHICH PROJECTS 0.3 FOOT ABOVE THE GROUND.
6/7/1991 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1991 (RAL) RECOVERED IN GOOD 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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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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