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Details for Benchmark: QX0667

N 45° 39.110 W 110° 26.909 (NAD 83)

Altitude: 5144.5

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

Location:
In PARK county, MT View Original Datasheet
Designation:
TBM 5140
Marker Type:
NGS Benchmark
Setting:
setting not listed - see description
Stability:

Reference Points

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Turned back by snowdrifts in 2009.

[Photos:]
photoQX0667-USGS TBM 5140 UNK-4790
photoQX0667-W-4791
photoQX0667-E-4792
photoQX0667-SIZE-4793
1.5 X 1.5 inch outlined square, with 1.5 inch wings on the southeast sloping side of an embedded limestone boulder. Slight shelf on top side of the square for the elevation datum point.

Documented History (by the NGS)

Unknown by (MONUMENTED)
01/01/1951 by USGS (GOOD)
DESCRIBED BY US GEOLOGICAL SURVEY 1951 BEAVER CREEK SCHOOL, 2.5 MI. W. OF, 74 FT. S. AND 1 FT. LOWER THAN RD., AT TOP OF E. END OF STEEP DUGWAY IN RD., ON TOP OF ROCK, IN PLACE, CHISELED SQUARE, SANDSTONE SLAB PAINTED ---5140.6---. TO REACH STATION FROM LIVINGSTON POST OFFICE, GO 6.1 MI. S. ON MAIN STREET, THENCE E. ON MAIN TRAVELED RD., TO TOP OF HILL AND RD. FORK. RECOVERED AND DESCRIBED AS FOLLOWS STATION IS LOCATED APPROXIMATELY 6 MI. SE. ALONG THE NEW BOULDER ROAD FROM LIVINGSTON, MONTANA, IN THE NE. CORNER OF SEC. 23, T 2 S, R 10 E, 114 FT. S. OF THE JUNCTION OF THE NEW BOULDER ROAD WITH THE OLD BOULDER ROAD. STATION MARK--CHISELED SQUARE, ON TOP OF ROCK, IN PLACE.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in July 1992.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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.

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