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Details for Benchmark: RZ1674

N 46° 12.178 W 117° 34.510 (NAD 83)

Altitude: 5664.2

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

Location:
In GARFIELD county, WA View Original Datasheet
Designation:
CLEARWATER LOT USFS 1936
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

Reference Points

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found it

three in one location

Found this one and two others at this location.

found while geocaching

That's a tall lookout!

My first trip to this area of the state. I will have to go back in better weather.

[Photos:]
photoClearwater Lookout

Been here before but never logged it as a benchmark.

Documented History (by the NGS)

01/01/1936 by USFS (MONUMENTED)
DESCRIBED BY US FOREST SERVICE 1936 THIS OCCUPIED STATION IS THE CENTER OF THE U.S.F.S. LOOKOUT TOWER, A 90-FOOT STEEL STRUCTURE, SITUATED ABOUT 28 MILES S OF POMEROY AND 0.5 MILE NW OF CLEARWATER RANGER STATION. STATION MARK IS A DISK SET IN A BURIED BOULDER UNDER THE EXACT CENTER OF THE TOWER. TO REACH FROM POMEROY, DRIVE S 28 MILES ON CLEARWATER ROAD TO LOOKOUT, WHICH IS ABOUT 300 FEET W OF JUNCTION OF CLEARWATER AND IRON SPRINGS ROADS.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in December 1991.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.