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Details for Benchmark: DU2058

N 33° 13.924 W 111° 20.654 (NAD 83)

Altitude: 1848.9

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
TRACK
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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Easy

An easy find from the description. Thanks, Fort Rectus

[Photos:]
photoThe disk
photoThe area

Fd w RM1 & RM2

[Photos:]
photoDU2058 TRACK

Found in great shape.

[Photos:]
photoDU2058
photoDU2058 w GPSr
photoDU2058RM1
photoDU2058RM1 w GPSr
photoDU2058RM2
photoDU2058RM2 w GPSr

Found as described...In good condition.....

Found in good shape, as described.

[Photos:]
photoDU2058
photoDU2058 w/WP

Found it ok.

[Photos:]
photoDU2058

Recovered as described, in good condition.

[Photos:]
photoTRACK / DU2058
A close-up of the mark, with the GPSr.
photoTRACK / DU2058
A close-up of the mark alone.
photoTRACK / DU2058
A wider view of the general area, looking north.
photoTRACK / DU2058
A close-up of RM 1.
photoTRACK / DU2058
A close-up of RM 2.

Found this exactly as described
®ioexxo

N 33° 13.925 W 111° 20.655

Found it as described.

MO & GO; Tucson, Arizona

Documented History (by the NGS)

01/01/1975 by AZDT (MONUMENTED)
DESCRIBED BY ARIZONA DEPARTMENT OF TRANSPORTATION 1975 (TT) THE STATION IS LOCATED ABOUT 1.85 MILES SOUTHWEST OF FLORENCE JUNCTION ALONG THE WEST RIGHT-OF-WAY OF U.S. HWY. 80-89. THE STATION IS AN ADOT HIGHWAY DIVISION DISK STAMPED TRACK P AND M GS 1975 AND IS SET IN A 10 INCH DIAMETER CONCRETE MONUMENT. THE DISK IS 85 FEET WEST OF THE HIGHWAY CENTERLINE, 5 FEET EAST OF THE WEST RIGHT-OF-WAY FENCE, 265 FEET NORTHWEST OF INTERSECTION OF U.S. 80-89 AND THE MAGMA RAILWAY TRACKS, AND IS MARKED WITH A WITNESS POST AND SIGN 2.7 FEET WEST. REFERENCE MARK 1 IS AN ADOT HIGHWAY DIVISION DISK STAMPED RM 1 1975 AND IS SET IN A 10 INCH DIAMETER CONCRETE MONUMENT. THE DISK IS 87 FEET WEST OF THE HIGHWAY CENTERLINE AND 3 FEET EAST OF THE WEST RIGHT-OF-WAY FENCE. REFERENCE MARK 2 IS AN ADOT HIGHWAY DIVISION DISK STAMPED RM 2 1975 AND IS SET IN A 10 INCH DIAMETER CONCRETE MONUMENT 88 FEET WEST OF THE HIGHWAY CENTERLINE AND 2 FEET EAST OF THE WEST RIGHT-OF-WAY FENCE. TO REACH THE STATION FROM FLORENCE JUNCTION AT THE INTERSECTION OF U.S. 60 AND 80-89, GO SOUTH ON U.S. 80-89 FOR 1.85 MILES TO MILE POST 148.4 AND THE STATION IN THE WEST RIGHT-OF-WAY. HEIGHT OF LIGHT ABOVE STATION MARK 1.5 METERS.

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in August 1993.
  • 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 Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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