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Details for Benchmark: QZ0672

N 45° 28.463 W 115° 02.321 (NAD 83)

Altitude: 0

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

Location:
In IDAHO county, ID View Original Datasheet
Designation:
ARCTIC POINT LOOKOUT TOWER
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:
Mark of questionable or unknown stability.

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Documented History (by the NGS)

1/1/1945 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1945 (JCT) THE STATION IS IN THE IDAHO NATIONAL FOREST, 10 MILES NE OF THE CHAMBERLAIN RANGER STATION, 2-1/2 MILES S OF THE SALMON RIVER, AND AT THE HEAD OF ARCTIC CREEK. IT IS A SQUARE, STEEL LOOKOUT HOUSE, MOUNTED ON A FOUR-LEGGED STEEL TRUSSWORK SUPPORTING TOWER WHICH IS ABOUT 75 FEET HIGH. IT WAS LOCATED BY TRAVERSE FROM STATION ARCTIC. THE POINT LOCATED WAS THE CENTER OF THE SUPPORTING TOWER AT A POINT 30 FEET ABOVE THE GROUND.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in July 1992.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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