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Details for Benchmark: DV2316

N 33° 25.217 W 112° 21.233 (NAD 83)

Altitude: 958.73

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
B 520
Marker Type:
vertical control disk
Setting:
massive structures
Stability:
Probably hold position/elevation well.

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in good condition

[Photos:]
photoIMG_20130121_094910
photoIMG_20130121_094906

Found as described on loading dock.

[Photos:]
photoDV2316 B520 Disk
photoDV2316 B520 Disk w/ GPS

Re-discovered as described, in good condition. At coord N33 25.215 / W 112 21.189 with Garmin GPS

[Photos:]
photoClose up of Benchmark
photoLooking SE at loading dock where benchmark is at

Recovered as described, in good condition.
GPS (HH2) co-ordinates N33º25.216' W112º21.190'.

[This entry was edited by AZcachemeister on Saturday, August 01, 2009 at 6:46:29 AM.]

[Photos:]
photoB 520 / DV2316
A close-up of the mark, with the GPSr.
photoB 520 / DV2316
A close-up of the mark alone.
photoB 520 / DV2316
A wider view looking south.

Found exactly as described. GPS Coordinates: N 33°25.216, W 112°21.187. Station has been reported to the NGS.

[This entry was edited by RazorbackFan on Friday, March 23, 2007 at 5:48:55 PM.]

[Photos:]
photoDisk Closeup
photoOverview
View of mark from top of loading ramp.
photoLoading Dock #1
View of loading dock #1 from description.
photoAddress Listed In Description
275 West Lower Buckeye Road.
photoSign of company in description
Sign for Research Products Corporation Warehouse.

Documented History (by the NGS)

01/01/1992 by NGS (MONUMENTED)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1992 IN AVONDALE, AT 275 WEST LOWER BUCKEYE ROAD, SET VERTICALLY IN THE NORTH FACE OF THE RESEARCH PRODUCTS CORPORATION WAREHOUSE, 67.0 M (219.8 FT) SOUTH OF AND LEVEL WITH THE ROAD CENTERLINE, 1.0 M (3.3 FT) ABOVE THE GROUND SURFACE, 0.8 M (2.6 FT) EAST OF THE NORTHWEST CORNER OF THE BUILDING, AND 0.5 M (1.6 FT) WEST OF THE WEST EDGE OF LOADING BAY NUMBER 1.

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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