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Details for Benchmark: DV2305

N 33° 24.500 W 112° 12.250 (NAD 83)

Altitude: 1008.06

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
R 519
Marker Type:
vertical control disk
Setting:
massive structures with deep foundations
Stability:
Most reliable and expected to hold position/elevation well.

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FOUND IT AT 1220 HRS IN GOOD CONDITION. IT IS IN THE CONCRETE BASE OF THE METAL POWER POLE. IT IS ON THE N E CORNER OF 67 AVE AND BROADWAY

[Photos:]
photoDV 2305 R 519
photoDV 2305 R 519
LOOKING N W

in great shape

[Photos:]
photoIMG_20130125_120322
photoIMG_20130125_120325

Recovered. Pictures are accurate as to current condition

[Photos:]
photoDV2305 - Mark with GPSr
photoDV2305 - Looking westerly

The description is adequate.
GPS (HH2) co-ordinates N33º24.514' W111º12.235'.

[This entry was edited by AZcachemeister on Saturday, August 01, 2009 at 6:56:22 AM.]

[Photos:]
photoR 519 / DV2305

The GeoShark and I found this one. There is some sort of bug catcher in a nearby bush!

[Photos:]
photoThe GeoShark and the Disk.
photoThe Disk area showing the Bug Catcher.

Documented History (by the NGS)

1/1/1992 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1992 0.3 KM (0.20 MI) EASTERLY ALONG WEST VAN BUREN STREET FROM THE POST OFFICE IN TOLLESON, THENCE 4.8 KM (3.00 MI) SOUTHERLY ALONG SOUTH 91ST AVENUE, THENCE 4.8 KM (3.00 MI) EASTERLY ALONG WEST BROADWAY ROAD, NEAR THE SOUTHWEST CORNER OF A CONCRETE FOOTING FOR HIGH LINE TOWER NUMBER 14, 19.0 M (62.3 FT) EAST OF THE CENTER OF SOUTH 67TH AVENUE, 14.2 M (46.6 FT) NORTH OF AND LEVEL WITH THE ROAD CENTER, AND 0.2 M (0.7 FT) ABOVE THE GROUND SURFACE.
4/25/1994 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1994 0.3 KM (0.20 MI) EASTERLY ALONG WEST VAN BUREN STREET FROM THE POST OFFICE IN TOLLESON, THENCE 4.8 KM (3.00 MI) SOUTHERLY ALONG SOUTH 91ST AVENUE, THENCE 4.8 KM (3.00 MI) EASTERLY ALONG WEST BROADWAY ROAD, NEAR THE SOUTHWEST CORNER OF THE CONCRETE FOOTING FOR HIGHLINE TOWER NUMBER 14, 18.8 M (61.7 FT) EAST OF THE CENTER OF 67TH AVENUE, 14.0 M (45.9 FT) NORTH OF THE ROAD CENTER, AND 0.3 M (1.0 FT) ABOVE THE LEVEL OF THE ROAD.

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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