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Details for Benchmark: DU0474

N 33° 16.850 W 111° 09.783 (NAD 83)

Altitude: 2410.1

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
R 107 RESET
Marker Type:
survey disk
Setting:
light structures
Stability:
Mark of questionable or unknown stability.

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Found in good condition.....

Found it in good shape..

[Photos:]
photoDU0474

Recovered as described, in good condition.

[Photos:]
photoR 107 RESET / DU0474
A wide view of the general area, looking west.
photoR 107 RESET / DU0474
A close-up of the mark alone.
photoR 107 RESET / DU0474
A close-up of the mark, with the GPSr.

Documented History (by the NGS)

01/01/1947 by AZHD (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1947 4.1 MI W FROM SUPERIOR. 4.1 MILES WEST ALONG U.S. HIGHWAY 60 FROM THE HIGH SCHOOL AT SUPERIOR, PINAL COUNTY, AT A BRIDGE REMODELED IN 1947, AT THE CENTER SUPPORT, AND IN THE TOP OF THE SOUTH CONCRETE CURB. A STANDARD DISK, STAMPED R 107 RESET 1947.
01/01/1947 by NGS (GOOD)

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The geoid height was determined by GEOID99.

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