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Details for Benchmark: EM0809

N 34° 42.143 W 098° 37.075 (NAD 83)

Altitude: 1621

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

Location:
In COMANCHE county, OK View Original Datasheet
Designation:
EDGE 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 ON N EDGE OF ROCKY LEDGE ON N SIDE OF MC KINLEY MT. AND ABOUT 3/4 MILE SE OF CACHE WYE. MARKED BY SECTION OF 3/8 IN IRON REINFORCING ROD CEMENTED IN A DEPRESSION IN ROCK OUTCROP ON FIRST RIDGE E OF FERN MOUNTAIN.

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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