Details for Benchmark: RY0854
N 46° 39.882 W 114° 23.699 (NAD 83)
Coordinates may not be exact. Altitude is SCALED and location is ADJUSTED. (more info)
- In MISSOULA county, MT View Original Datasheet
- SKOOKUM BUTTE LOOKOUT
- Marker Type:
- NGS Benchmark
- setting not listed - see description
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Documented History (by the NGS)
|1/1/1934 by CGS (MONUMENTED)
|DESCRIBED BY COAST AND GEODETIC SURVEY 1934
SEE STATION SKOOKUM BUTTE
- The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in July 1992.
- 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.