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Details for Benchmark: FQ0305

N 35° 11.500 W 111° 42.283 (NAD 83)

Altitude: 7093.62

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

Location:
In COCONINO county, AZ View Original Datasheet
Designation:
Q 340
Marker Type:
bench mark disk
Setting:
in a boulder
Stability:
May hold, but of type commonly subject to surface motion.

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[blue]I spotted this benchmark while on a bike ride on old RT66. The benchmark is in good shape with witness post intact.

[Photos:]
photoBenchmark FR0305 found 3/2/2014

Found it in good shape.

[Photos:]
photoFQ0305
photoQ340
N 35° 11.491 W 111° 42.288

Found this benchmark today in good condition.

[Photos:]
photoCloseup of the benchmark with GPS
photoEye-level view of the mark
photoWide view looking south

Recovered in good condition as described.

[Photos:]
photoQ 340 along old Highway "Route 66".
N 35° 11.491 W 111° 42.285

Benchmark recovered as described, in good condition.

[Photos:]
photoBenchmark w/GPSr
photoBenchmark
photoSouth at Benchmark
photoEast at Benchmark

Documented History (by the NGS)

01/01/1958 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1958 3.55 MI W FROM FLAGSTAFF. 3.55 MILES WEST ALONG U.S. HIGHWAY 66 AND 89 FROM THE RAILROAD STATION IN FLAGSTAFF, ABOUT 210 FEET EAST OF MILEPOST NUMBER 212, 55 FEET SOUTH OF THE HIGHWAY, 6.6 FEET SOUTH OF THE FENCE, 8 FEET SOUTHEAST OF THE WITNESS POST, CEMENTED IN A DRILL HOLE IN A BOULDER THAT PROJECTS 1 FOOT.
01/01/1982 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1982 RECOVERED IN GOOD CONDITION. NEW DESCRIPTION FOLLOWS. 2.4 KM (1.5 MI) NORTH ALONG US HIGHWAY 89 ALTERNATE FROM THE INTERSECTION OF INTERSTATE HIGHWAY 17 AND INTERSTATE 40 IN FLAGSTAFF, THENCE 4.5 KM (2.8 MI) WEST ALONG US HIGHWAYS 66 AND 89, 0.4 KM (0.25 MI) WEST OF MILEPOST 193, 0.25 KM (0.15 MI) EAST OF A DIRT ROAD LEADING SOUTH, 1.05 KM (0.65 MI) WEST OF THE FLAGSTAFF CITY LIMITS SIGN, IN TOP OF A 2 BY 3 FOOT BOULDER PROJECTING 1 FOOT ABOVE THE GROUND, 22.2 METERS (73.0 FT) SOUTH OF THE HIGHWAY CENTERLINE, 2.5 METERS (8.2 FT) SOUTH OF THE RIGHT OF WAY FENCE, 2.0 METERS (6.6 FT) WEST OF A 14 INCH PONDEROSA PINE TREE. THE MARK IS 2.4 METERS SE FROM A WITNESS POST. THE MARK IS 0.6 M ABOVE THE HIGHWAY.
01/01/1982 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1982 RECOVERED IN GOOD CONDITION.
01/01/1983 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1983 RECOVERED IN GOOD CONDITION.

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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