Details for Benchmark: RY0950
N 46° 28.227 W 115° 27.131 (NAD 83)
Coordinates may not be exact. Altitude is VERTCON and location is ADJUSTED. (more info)
- In IDAHO county, ID View Original Datasheet
- WIETAS BUTTE LOOKOUT TOWER
- Marker Type:
- lookout tower
- setting not listed - see description
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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.
- 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- The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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.