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Details for Benchmark: FQ0122

N 35° 58.200 W 110° 50.450 (NAD 83)

Altitude: 6011.11

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

Location:
In COCONINO county, AZ View Original Datasheet
Designation:
S 63
Marker Type:
bench mark disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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Recovered in good condition. Watched for the witness post when we got close to the coordinates. The witness post is just a metal fence post painted red with a white top section. You will need to cross the fence to get to the station. The old road is getting very faint.

[Photos:]
photoS 63 along hwy 264 south of Tuba City, AZ.
photoS 63 looking south.

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
01/01/1967 by USGS (GOOD)
DESCRIBED BY US GEOLOGICAL SURVEY 1967 18.10 MI NW FROM ORAIBI. ORAIBI POST OFFICE 0.5 MILE TO HIGHWAY 264. THENCE 18.10 MILES TO ROAD INTERSECTION. THENCE 400 FEET SOUTH TO BM S 63. 70 FEET NORTH OF OLD ROAD AND 58 FEET EAST OF ACCESS ROAD TO HIGHWAY 264. SET IN THE TOP OF A CONCRETE POST.

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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