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Details for Benchmark: DV1654

N 33° 25.500 W 112° 01.483 (NAD 83)

Altitude: 1103.34

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
1400 12
Marker Type:
bench mark disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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Found this benchmark today in good condition.

[Photos:]
photoCloseup of the mark
photoWide view looking northwest

Recovered. Current condition is accurate in pictures

[Photos:]
photoDV1654 - Mark with GPSr
photoDV1654 - looking westerly
N 33° 25.380 W 112° 01.397

Recovered in good condition, but the description is lacking.
From the intersection of 24th Street and Buckeye Road, travel 1.0 mile south to the intersection of south 24th street and east University Drive. Turn left on east University drive, and proceed 0.43 miles east to the intersection of east University Drive and east Magnolia Street, and the mark on the left. The mark is 31.9 FT (9.72 METERS) southwest of a 6-inch metal lamp pole #16091, which is also the street sign '2400 east Magnolia, 2400 east University'. The mark is 63.5 FT (19.36 METERS) east-southeast of a fire hydrant, flush with the pavement at the outside of the curve in the roadway.

[Photos:]
photo1400 12 / DV1654
A close-up of the mark, with the GPSr.
photo1400 12 / DV1654
A close-up of the mark alone.
photo1400 12 / DV1654
A wide view of the general area. The mark is at the cross in the pavement, and the pole and sign referenced are just left of center.

Documented History (by the NGS)

01/01/1979 by AZDT (MONUMENTED)
DESCRIBED BY ARIZONA DEPARTMENT OF TRANSPORTATION 1979 5.65 KM (3.51 MI) WEST FROM TEMPE. FROM BELL BUTTES AND INTERSTATE 10 IN TEMPE TRAVEL WEST ALONG INTERSTATE 10 FOR 3.51 MI (5.65 KM) TO THE MARK ON THE LEFT, AT THE INTERSECTION OF 2400 EAST MAGNOLIA AND 2400 EAST UNIVERSITY, 31.9 FT (9.72 METERS) SOUTHWEST OF A 6-INCH METAL LAMP POLE NUMBER 16091, 38.0 FT (11.58 METERS) SOUTHWEST OF EASTBOUND INTERSTATE 10 RIGHT-OF-WAY FENCE, 63.5 FT (19.36 METERS) EAST OF FIRE HYDRANT, 54.2 FT (16.52 METERS) NORTH OF STREET SIGN (2400 EAST UNIVERSITY DRIVE-2400 MAGNOLIA STREET).

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 November 1993.
  • 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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