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Details for Benchmark: FQ0172

N 35° 51.833 W 111° 29.050 (NAD 83)

Altitude: 4675.25

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

Location:
In COCONINO county, AZ View Original Datasheet
Designation:
9
Marker Type:
pipe cap
Setting:
set into the top of a metal pipe driven into the ground
Stability:
Mark of questionable or unknown stability.

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Recovered as described. The datasheet says it is stamped "9".
We think they stamped the 9 where the date is normally stamped. It is stamped 934 for the date instead of 1934. All other descriptions match.

[Photos:]
photo9 west of Cameron AZ.
behind a roadside jewelry stand.
photo9 with the GPSr

Documented History (by the NGS)

Unknown by BPR (MONUMENTED)
01/01/1934 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1934 5.7 MI W FROM CAMERON. ABOUT 5.7 MILES WEST ALONG STATE HIGHWAY 64 FROM CAMERON, COCONINO COUNTY, AND 105 FEET NORTH OF THE CENTER LINE OF THE HIGHWAY. A UNITED STATES BUREAU OF PUBLIC ROADS STANDARD CAP, STAMPED 9 AND FASTENED ON THE TOP OF A 2-1/2-INCH GALVANIZED-IRON PIPE PROJECTING ABOUT 5 INCHES ABOVE GROUND.

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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