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Details for Benchmark: DU2321

N 33° 25.017 W 111° 48.283 (NAD 83)

Altitude: 1239.53

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
E 518
Marker Type:
metal rod
Setting:
stainless steel rod
Stability:
Most reliable and expected to hold position/elevation well.

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Found

[Photos:]
photo
photo

Found at N33 25.021 W111 48.311

[Photos:]
photoclose-up of benchmark
photogps and benchmark

Found in good shape, as described.

[Photos:]
photoDU2321
photoDU2321 wGPSr
photoDU2321 Wide

I come back from my son`s wedding and a pick up a couple benchmarks.

[Photos:]
photoDU2321
photoDU2321
photoDU2321

near the one way

[Photos:]
photobm
photobm lid open
photobm lid open gps phone

Found in good condition. Some pedestrians gave me a strange look. But the mark is in excellent condition.

[Photos:]
photoDU2321-close
photoDU2321-facing south

Recovered. Pics included. A spider is living in this one.

[Photos:]
photoClose-Up of GPS and Cover
photoClose-Up of GPS and BM

Recovered. Cleaned it up a little bit

[Photos:]
photoDU2321 - Mark with GPSr
photoDU2321 - E518
photoDU2321 - Access plate open
photoDU2321 - Looking southernly

Recovered as described in good condition.

[Photos:]
photoDU2321 - Cover closed
photoDU2321 - Cover open
photoDU2321 - Looking south

Our first cache; this is something we've done together as a family, and we hope to do more geocaching soon!

Found as described.

[Photos:]
photoE 518 / DU2321

the last poster said it all
Recovered as described in good condition at:
N 33° 25.022 W 111° 48.311 (NAD 83).

[Photos:]
photothe benchmark
and my gps
photothe benchmark

Recovered as described in good condition at:
N 33° 25.022 W 111° 48.311 (NAD 83).

[Photos:]
photoDU2321 - Benchmark - Maricopa County, AZ
photoDU2321 - Cover open
photoDU2321 - South looking North

Found at 8:18 am today. In good shape.

[Photos:]
photoDU2321-1.jpg
DU2321-1
photoDU2321-2.jpg
DU2321-2

Found it at N33º25.022 & W111º48.312

Documented History (by the NGS)

01/01/1992 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1992 3.2 KM (2.00 MI) EASTERLY ALONG U.S. HIGHWAY 60 (MAIN STREET) FROM THE JUNCTION OF STATE HIGHWAY 87 (COUNTRY CLUB DRIVE) IN MESA, THENCE 0.2 KM (0.10 MI) NORTHERLY ALONG NORTH STAPLEY DRIVE, 40.5 M (132.9 FT) SOUTH OF THE CENTER OF EAST FIRST STREET, 7.3 M (24.0 FT) EAST OF AND LEVEL WITH THE CENTERLINE OF THE NORTHBOUND LANES OF THE DRIVE, 3.9 M (12.8 FT) NORTH OF THE CENTER OF AN ALLEY, 1.7 M (5.6 FT) EAST OF UTILITY POLE NUMBER 62, 1.2 M (3.9 FT) NORTH OF THE SOUTHWEST CORNER OF A BRICK WALL, 0.4 M (1.3 FT) WEST OF THE WALL, AND 0.2 M (0.7 FT) EAST OF THE EAST EDGE OF A SIDEWALK. NOTE--ACCESS TO THE DATUM POINT IS THROUGH A 5-INCH LOGO CAP.

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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