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Details for Benchmark: AX2211

N 29° 49.983 W 097° 40.233 (NAD 83)

Altitude: 469.5

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

Location:
In CALDWELL county, TX View Original Datasheet
Designation:
S 821 RESET 1947
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Recovered this one in good condition.

[Photos:]
photoAX2211
photoAX2211 setting

Documented History (by the NGS)

01/01/1947 by TXHD (MONUMENTED)
01/01/1959 by DOD (GOOD)
DESCRIBED BY US DEPARTMENT OF DEFENSE 1959 3.5 MI S FROM LOCKHART. THE MARK IS 156 FEET SOUTH-SOUTHWEST OF THE CENTERLINE OF THE FARM ROAD TO THE SOUTHWEST 26 FEET WEST-NORTHWEST OF THE CENTERLINE OF THE NORTH-NORTHEAST AND SOUTH-SOUTHWEST HIGHWAY, AND 15 FEET EAST-SOUTHEAST OF THE EAST EDGE OF A LONE TREE. 3.5 MILES SOUTH ALONG STATE HIGHWAY 29 FROM THE COURTHOUSE AT LOCKHART, CALDWELL COUNTY, AT A CONCRETE CULVERT, AND IN THE TOP OF THE WEST HEADWALL.
01/01/1988 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1988 (DLP) RECOVERED IN GOOD CONDITION.
08/08/1993 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1993 (UNK) 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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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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