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Details for Benchmark: FR0591

N 35° 54.683 W 113° 55.667 (NAD 83)

Altitude: 4757.62

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

Location:
In MOHAVE county, AZ View Original Datasheet
Designation:
RS 22
Marker Type:
survey disk
Setting:
in a boulder
Stability:
May hold, but of type commonly subject to surface motion.

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Recovered in good condition as described.

[Photos:]
photoRS 22 in Mohave CO
photoRS 22 the boulder it is set in
photoRS 22 view from the road

Documented History (by the NGS)

01/01/1926 by USGS (MONUMENTED)
DESCRIBED BY US GEOLOGICAL SURVEY 1926 61.9 MI NW FROM PEACH SPRINGS. ABOUT 61.9 MILES NORTHWEST ALONG A ROAD FROM PEACH SPRINGS, MOHAVE COUNTY, ABOUT 5.0 MILES EAST OF DUNCAN RANCH, ABOUT 120 YARDS EAST OF THE CROSSING OF A WASH, 22 FEET NORTHEAST OF A LARGE JUNIPER TREE, 21 FEET SOUTH OF THE CENTER LINE OF THE ROAD, IN THE TOP OF A LARGE FLAT TOP BOULDER, AND ABOUT 1 FOOT ABOVE THE GROUND. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED RS 22 1926.

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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