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Details for Benchmark: TP1334

N 48° 58.605 W 118° 16.638 (NAD 83)

Altitude: 4734

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

Location:
In FERRY county, WA View Original Datasheet
Designation:
OWL RESET
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
Most reliable and expected to hold position/elevation well.

Reference Points

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Documented History (by the NGS)

01/01/1930 by IBC (MONUMENTED)
DESCRIBED BY INTERNATIONAL BOUNDARY COMMISSION 1930 ABOUT 3 MILES SOUTHWEST OF LAURIER, ON A HIGH SUMMIT ABOUT ONE - FOURTH MILE WEST OF THE ABANDONED OWL MINE. THE TRAIL TO THIS MINE LEAVES THE ROAD ABOUT 3 MILES SOUTH OF LAURIER WHERE THE ROAD MAKES A SHARP BEND TO THE LEFT TOWARD KETTLE RIVER. STATION MARK--A DRILL IN A SOLID ROCK. THE REFERENCE MARK IS AN ARROW CUT IN THE ROCK ABOUT 3 METERS TO THE WEST. IN 1930 A 2 INCH BRONZE DISK WAS SET IN THE ORIGINAL DRILL HOLE.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in December 1991.
  • 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.

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