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Details for Benchmark: FR0612

N 35° 49.900 W 113° 51.900 (NAD 83)

Altitude: 5113.87

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

Location:
In MOHAVE county, AZ View Original Datasheet
Designation:
RS 17
Marker Type:
bench mark disk
Setting:
in rock outcrop
Stability:
Most reliable and expected to hold position/elevation well.

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Recovered in good condition. It has some moss growing over it that we left as is since we could easily read the disk for ID.

[Photos:]
photoRS 17 along the 'buck and doe' road
photoRS 17 looking southerly

Documented History (by the NGS)

01/01/1926 by USGS (MONUMENTED)
DESCRIBED BY US GEOLOGICAL SURVEY 1926 45.4 MI NW FROM PEACH SPRINGS. ABOUT 45.4 MILES NORTHWEST ALONG A ROAD FROM PEACH SPRINGS, MOHAVE COUNTY, AT A CURVE AROUND A ROCKY POINT, 23 FEET NORTHEAST OF THE CENTER LINE OF THE ROAD, IN THE TOP OF A ROCK OUTCROP,AND ABOUT 3-1/2 FEET HIGHER THAN THE ROADWAY. A UNITED STATES GEOLOGICAL SURVEY STANDARD DISK, STAMPED RS 17 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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