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Details for Benchmark: TN0888

N 48° 38.607 W 115° 05.507 (NAD 83)

Altitude: 0

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

Location:
In LINCOLN county, MT View Original Datasheet
Designation:
PINKHAM MT GENERAL TEL CO MAST
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

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Documented History (by the NGS)

01/01/1959 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1959 (OSR) STATION IS LOCATED ABOUT 10-1/2 MILES WEST AND 4 MILES SOUTH OF TREGO, 9 MILES WEST OF THE LINCOLN-FLATHEAD COUNTY LINE AND 7-1/2 MILES NORTHEAST OF THE KOOTENAI RIVER. IT IS IN THE NORTHEAST 1/4 OF SECTION 9, T 33 N, R 27 W. IT IS AN UNPAINTED STRUCTURAL ALUMINUM MAST WITH TWO LARGE MICRO-WAVE ANTENNAE AT ITS TOP AND HAS AN OVERALL HEIGHT OF 45 FEET. A TRAVERS CONNECTION WAS MADE TO THE DETERMINED CENTER OF THE MAST FROM TRIANGULATION STATION PINKHAM 1959, THE DISTANCE BEING 127.14 FEET OR (38.752) METERS.

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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