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Details for Benchmark: AX2202

N 29° 49.167 W 097° 33.250 (NAD 83)

Altitude: 431.5

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

Location:
In CALDWELL county, TX View Original Datasheet
Designation:
P 789
Marker Type:
bench mark disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Recovered in good condition.

[Photos:]
photoAX2202
photoAX2202 setting

Documented History (by the NGS)

01/01/1943 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1943 2.9 MI SW FROM MCMAHAN. 0.1 MILE WEST ALONG A PAVED ROAD LEADING TO LOCKHART FROM THE PUBLIC SCHOOL AT MCMAHAN, CALDWELL COUNTY, THENCE 2.8 MILES SOUTHWEST ALONG A GRADED ROAD LEADING TO LULING. AT A 3- BY 3-FOOT CONCRETE-BOX CULVERT, IN THE TOP OF THE SOUTHWEST END OF THE NORTHWEST HEADWALL, 13 FEET NORTHWEST OF THE CENTERLINE OF THE ROAD, AND LEVEL WITH THE ROAD. A STANDARD DISK, STAMPED P 789 1943.
01/01/1990 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1990 (WCJ) 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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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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