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Details for Benchmark: FQ0123

N 35° 58.150 W 110° 48.450 (NAD 83)

Altitude: 5824.22

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

Location:
In COCONINO county, AZ View Original Datasheet
Designation:
T 63
Marker Type:
bench mark disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

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Finally got 1 where I didn't need to jump the fence to get to the station! Recovered in good condition as described. No witness post but the coordinates are good enough to get you to the right area.

[Photos:]
photoT 63 along hwy 264 in northern AZ.
photoT 63 looking east along hwy 264

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
01/01/1967 by USGS (GOOD)
DESCRIBED BY US GEOLOGICAL SURVEY 1967 16.25 MI NW FROM ORAIBI. ORAIBI POST OFFICE 0.5 MILE NORTH TO HIGHWAY 264. THENCE WEST 16.25 TO BM T 63. 0.10 MILE EAST OF ROAD INTERSECTION LEADING NORTH TO BLUE CANYON. 60 FEET NORTH OF CENTERLINE OF HIGHWAY 264, 125 FEET WEST OF SMALL DRY WASH, IN THE TOP OF A SANDSTONE OUTCROP.

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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