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Details for Benchmark: FQ0370

N 35° 55.933 W 111° 38.367 (NAD 83)

Altitude: 5410.49

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

Location:
In COCONINO county, AZ View Original Datasheet
Designation:
P 62
Marker Type:
bench mark disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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Recovered as described, in good condition. The ends of the bridge are fenced off, so I had to take the picture through the fence.

[This entry was edited by 2oldfarts (the rockhounders) on Saturday, April 08, 2006 at 9:20:34 PM.]

[Photos:]
photoP 62 on old bridge in Northern AZ
photoP 62's old bridge in Northern AZ
photoP 62 looking at where it is set.
photoP 62 is below the red arrow

Documented History (by the NGS)

01/01/1934 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1934 16.5 MI W FROM CAMERON. ABOUT 16.5 MILES WEST ALONG STATE HIGHWAY 64 FROM CAMERON, COCONINO COUNTY, AT THE NORTHEAST END OF A STEEL AND CONCRETE BRIDGE, IN THE TOP OF THE CURBING, 9 FEET FROM THE NORTHEAST END, AND 12-1/2 FEET SOUTHEAST OF THE CENTER LINE OF THE HIGHWAY. A STANDARD DISK, STAMPED P 62 1934.

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 1992. * This is a POSTED BENCH MARK height. Code A indicates a distribution rate of 0.0 thru 1.0 mm/km.
  • 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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