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Details for Benchmark: RY0950

N 46° 28.227 W 115° 27.131 (NAD 83)

Altitude: 5971

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

Location:
In IDAHO county, ID View Original Datasheet
Designation:
WIETAS BUTTE LOOKOUT TOWER
Marker Type:
lookout tower
Setting:
setting not listed - see description
Stability:

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Documented History (by the NGS)

1/1/1966 by USGS (FIRST OBSERVED)
DESCRIBED BY US GEOLOGICAL SURVEY 1966 LOCATED ABOUT 17 MI. (AIRLINE) ESE. OF PIERCE, ABOUT 11 MI. NW. OF THE LOCHSA WORK CENTER, ON A TIMBERED TOP. STATION MARK--PEAK OF LOOKOUT TOWER.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in July 1992.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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