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Details for Benchmark: EM0842

N 34° 43.577 W 098° 38.587 (NAD 83)

Altitude: 1739

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

Location:
In COMANCHE county, OK View Original Datasheet
Designation:
WINBORN 1945
Marker Type:
metal rod
Setting:
in rock outcrop
Stability:
Probably hold position/elevation well.

Reference Points

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Documented History (by the NGS)

01/01/1945 by USA (MONUMENTED)
DESCRIBED BY US ARMY 1945 AT SUMMIT OF HILL 1765 ABOUT 900 YDS. N OF NLY END OF QUANNAH PARKER LAKE, 500 YDS. S OF WINBORN SPRING. MARKED BY SECTION OF 3/8 IN IRON REINFORCING ROD SET IN A CONCRETE MASS ON ROCK OUTCROP, ABOUT 30 FT. E OF ROCK PILE.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in November 1994.
  • The orthometric height was scaled from a topographic map.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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