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Details for Benchmark: QW0599

N 45° 11.057 W 109° 22.263 (NAD 83)

Altitude: 9394

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

Location:
In CARBON county, MT View Original Datasheet
Designation:
NICHOLS
Marker Type:
survey disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

Reference Points

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Documented History (by the NGS)

01/01/1953 by USGS (MONUMENTED)
DESCRIBED BY US GEOLOGICAL SURVEY 1953 LOCATED ABOUT 6.0 MI. (AIRLINE) W. OF RED LODGE, MONTANA, AND ABOUT 2.0 MI. (AIRLINE) N. OF WEST FORK OF ROCK CREEK, ON THE CENTRAL HIGH POINT OF A TIMBERED RIDGE. TO REACH FROM RED LODGE POST OFFICE, DRIVE SOUTHWARD ON U.S. HIGHWAY FORK, RIGHT FOR 0.7 MI. TO CAMP ROTARY HEADQUARTERS BUILDING, RIGHT ON DIM RD. FOR 0.2 MI. TO WASHOE CREEK AND END OF TRUCK TRAVEL. PACK UP TRAIL TO DRAIN FORK, THEN UP DIVIDE TO RIDGE, THEN EASTWARD TO ROCKY TOP AND STATION SITE. ABOUT A 2-1/2 HOUR BACK PACK. STATION MARK--STANDARD TABLET, STAMPED ---NICHOLS 1953---, CEMENTED IN ROCK. REFERENCE MARKS--NONE.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in January 1997.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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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