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Details for Benchmark: FO0190

N 35° 03.767 W 106° 22.867 (NAD 83)

Altitude: 6427

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

Location:
In BERNALILLO county, NM View Original Datasheet
Designation:
TP 9
Marker Type:
survey disk
Setting:
set into the top of a metal pipe driven into the ground
Stability:
Mark of questionable or unknown stability.

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Documented History (by the NGS)

Unknown by BPR (MONUMENTED)
01/01/1954 by USGS (MARK NOT FOUND)
DESCRIBED BY US GEOLOGICAL SURVEY 1954 0.9 MI S FROM TIJERAS RANGER STATION. 0.9 MILE SOUTH ALONG THE YRISARRI ROAD FROM THE RANGER STATION AT TIJERAS, BERNALILLO COUNTY, ON THE SIDE OF A HILL, 200 FEET SOUTH OF THE CENTERLINE OF A ROAD LEADING EAST TO CEDRO PEAK BEACON, 220 FEET WEST OF A SMALL WOODEN BRIDGE OVER A DRAW, 36 FEET EAST OF THE CENTERLINE OF THE ROAD, AND 3 FEET NORTH OF A BOULDER. A UNITED STATES BUREAU OF PUBLIC ROADS STANDARD CAP, STAMPED TP 9 ELEV 6424.5 AND RIVETED ON THE TOP OF AN IRON PIPE.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in June 1991.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (G = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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