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Details for Benchmark: DU2379

N 33° 24.017 W 111° 50.067 (NAD 83)

Altitude: 1225.45

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
B 522
Marker Type:
metal rod
Setting:
stainless steel rod
Stability:
Probably hold position/elevation well.

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Might be there under the concrete parking lot

Found in good shape, as described.

[Photos:]
photoDU2379
photoDU2379 wGPSr
photoDU2379 Wide

Found easily at base of electrical pole tie downs.

[Photos:]
photoDU2379 - B522 - close
photoDU2379 - B522 - facing north

Trifecta Challenge Day 32 - Lot's of activity today while running the errands. Found two benchmarks, two waymarks and one cache. Submitted a variety of new waymarks due to my random travels today!

Geocaches: GC1WTTV
Waymarks: WM85C2 , WMB0D
Benchmarks: DU2378, DU2379

Submitted GC26TWR and waymarks WM8KHM, WM8KHP, WM8KHR, WM8KHW, WM8KHZ

[Photos:]
photoIMG_4710

Recovered. Pics Included.

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

Recovered. Pictures are accurate to current condition

[Photos:]
photoDU2379 - Mark with GPSr
photoDU2379 - Open Cover
photoDU2379 - B522
photoDU2379 - Looking North easterly

Found it under a bit of grass. The rod was covered in ants! Interesting area, check out the mural just northeast of the mark. Found for day 27 of Trifecta with GC23AXB & WM30D.

[This entry was edited by - One - on Tuesday, February 16, 2010 at 9:26:45 PM.]

[Photos:]
photoDU2379
photoDU2379 North

Recovered in good condition.

[Photos:]
photoDU2379 B 522 closeup
photoDU2379 B 522 wide shot from the SW
photoWith the GPSr

Found as described.

[Photos:]
photoB 522
photoB 522 GPS

Recovered as described.

[Photos:]
photoB 522 / DU2379
A close-up of the mark.
photoB 522 / DU2379
The general area looking south.

Recovered as described in good condition at:
N 33° 24.025 W 111° 50.048 (NAD 83).

[Photos:]
photoDU2379 - Benchmark - Maricopa County, AZ
photoDU2379 - Cover open
photoDU2379 - South looking North
photoDU2379 - West looking East
N 33° 24.022 W 111° 50.049

Found with no problems. Good, detailed description from the 1994 NGS recovery notes led me right to it! The updated coordinates were logged on my Etrex with an accuracy within 20 ft.

Documented History (by the NGS)

01/01/1994 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1994 IN MESA, AT THE INTERSECTION OF WEST 8TH AVENUE AND SOUTH MACDONALD STREET, 16.9 M (55.4 FT) SOUTH OF THE AVENUE CENTERLINE, 8.7 M (28.5 FT) EAST OF AND LEVEL WITH THE STREET CENTER, 7.5 M (24.6 FT) SOUTH OF A UTILITY POLE, AND CENTERED BETWEEN 2 GUY CABLE ANCHORS. NOTE--ACCESS TO THE DATUM POINT IS THROUGH A 5-INCH LOGO CAP.
10/12/1994 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1994 (GAS) IN MESA, AT THE INTERSECTION OF WEST 8TH AVENUE AND SOUTH MACDONALD STREET, 16.9 M (55.4 FT) SOUTH OF THE AVENUE CENTER, 8.7 M (28.5 FT) EAST OF AND LEVEL WITH THE STREET CENTER, 7.5 M (24.6 FT) SOUTH OF A T-JUNCTION UTILITY POLE WITH 5 GUY CABLES, AND CENTERED BETWEEN 2 GUY CABLE ANCHORS. NOTE--ACCESS TO THE DATUM POINT IS THROUGH A 5-INCH LOGO CAP.
10/26/1994 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1994 (DBZ) THE STATION IS LOCATED ABOUT 10 MILES (16.1 KM) EAST OF PHOENIX IN THE SOUTHWEST PART OF THE CITY OF MESA. TO REACH THE STATION FROM THE INTERSECTION OF US HIGHWAY 60 (SUPERSTITION FREEWAY) AND STATE HIGHWAY 87 (COUNTRY CLUB DRIVE) IN MESA, GO NORTH ON COUNTRY CLUB DRIVE FOR 1.0 MILE (1.6 KM) TO THE INTERSECTION OF 8TH AVENUE. TURN RIGHT AND GO EAST ON 8TH AVENUE FOR 0.3 MILE (0.5 KM) TO THE INTERSECTION OF MACDONALD AND THE STATION ON THE RIGHT IN THE SOUTHEAST QUADRANT OF THE INTERSECTION, 55.4 FEET (16.9 M) SOUTH OF THE AVENUE CENTERLINE, 28.5 FEET (8.7 M) EAST OF AND LEVEL WITH THE STREET CENTER, 24.6 FEET (7.5 M) SOUTH OF A UTILITY POLE, AND CENTERED BETWEEN 2 GUY CABLE ANCHORS. 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 August 1994.
  • 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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