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Details for Benchmark: DU0538

N 33° 01.950 W 111° 23.150 (NAD 83)

Altitude: 1491.52

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
FLORENCE
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 in good shape, as described.

[Photos:]
photoDU0538
photoDU0538 Wide

Found as described and in good condition.

Part of my "Florence Project" today. Mark in good shape.

[Photos:]
photoDU0538
photoDU0538 w GPSr

Found in good condition.

[Photos:]
photoFLORENCE

Trifecta Challenge Day 14, quick and simple finds tonight - found a LOT of waymarks today. Little fun walking around town after riding a bicycle for 100 miles, but hey - we got out and did it! Ended up submitting FOUR new waymarks!

Geocaches: GC0HA
Waymarks: WM2B41, WM2B44, WM2B27
Benchmarks: DV0537, DV0538

[Photos:]
photoIMG_4503
photoIMG_4506

Found it in good shape.

[Photos:]
photoDU0538

Discovered while geocaching nearby

It was fun looking at the old courthouse.

Recovered as described, in good condition. The mark actually projects above the curb about 6 3/4".

[Photos:]
photoFLORENCE / DU0538
A close-up of the mark, with the GPSr.
photoFLORENCE / DU0538
A close-up of the mark alone.
photoFLORENCE / DU0538
A wide view of the general area, looking east.

Found It FAST - it's in good shape, took picture.

Recovered in good condition as described with the following update to the description - the Mark is even with the curb that is located West of the sidewalk. Handheld coordinates:
N 33° 01.944 W 111° 23.164 (NAD 83).

[Photos:]
photoDU0538 - Benchmark - Pinal County, AZ
photoDU0538 - West looking East

We just love the benchmarks associated with old buildings. This one is on the sidewalk in front of the old courthouse. The building alone is worth the visit, and there are 2 benchmarks here.

Documented History (by the NGS)

1/1/1935 by CGS (MONUMENTED)
1/1/1967 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 IN FLORENCE. AT FLORENCE ALONG PINAL STREET, IN S 36, T 4 S, R 9 E, ON THE WEST EDGE OF THE OLD COURTHOUSE LAWN, 45 FEET EAST OF THE CENTER LINE OF PINAL STREET, 111 1/2 FEET WEST OF THE WEST ENTRANCE OF THE OLD COURTHOUSE, 13 FEET EAST OF THE EAST EDGE OF A SIDEWALK, 10.6 FEET EAST OF A FLAG POLE, 1.5 FEET NORTH OF THE NORTH EDGE OF A SIDEWALK, ABOUT 1/2 FEET ABOVE THE LEVEL OF THE SIDEWALK, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 8 INCHES.
1/6/1992 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 IN FLORENCE, AT THE INTERSECTION OF PINAL AND 12TH STREETS, 33.9 M (111.2 FT) WEST OF THE WEST FACE OF THE OLD COURTHOUSE, 13.9 M (45.6 FT) EAST OF THE CENTER OF PINAL, 1.6 M (5.2 FT) NORTH OF THE EXTENDED CENTER OF 12TH STREET, 0.1 M (0.3 FT) WEST OF THE WEST EDGE OF A SIDEWALK, AND THE MONUMENT PROJECTS 0.3 M (1.0 FT) ABOVE THE GROUND SURFACE.
9/21/1995 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1995 RECOVERED IN GOOD CONDITION.
2/13/1996 by USPSQD (GOOD)
RECOVERY NOTE BY US POWER SQUADRON 1996 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 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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