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Details for Benchmark: DV2229

N 33° 35.718 W 112° 25.115 (NAD 83)

Altitude: 1212

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
DELL
Marker Type:
survey 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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Yep. It's moved but at least still there.

Found today while out geocaching. The concrete monument appears to have been moved due to recent nearby construction. The concrete, with the disk still attached, is now located in the drainage ditch, about 25 feet to the north.

[Photos:]
photoClose Up
photoNew Location
photoNew Location

Recovered as described, in good condition.

[Photos:]
photoDELL / DV2229
A close-up of the mark w/GPSr.
photoDELL / DV2229
A close-up of the mark alone.

Nice and easy find while on my way home from geocaching

N 33° 35.720 W 112° 25.120

Found this one no problem. Marked very well. Had to brush off the dirt from dust storm last night.

[Photos:]
photoBench Mark DV2229

Documented History (by the NGS)

01/01/1986 by AZDT (MONUMENTED)
DESCRIBED BY ARIZONA DEPARTMENT OF TRANSPORTATION 1986 (HW) THE STATION IS LOCATED ABOUT 11.4 KM (7 MI) WEST OF YOUNGTOWN, ARIZONA. TO REACH THE STATION FROM THE INTERSECTION OF COTTON LANE AND CACTUS ROAD, GO EAST FOR 0.84 KM (0.52 MI) ON CACTUS ROAD TO THE STATION ON THE LEFT. THE STATION IS A STANDARD AGS DISK STAMPED---DELL 1986---, SET INTO THE TOP OF A ROUND CONCRETE MONUMENT 25 CM IN DIAMETER PROJECTING 10 CM ABOVE GROUND. LOCATED 1.07 METERS (3.5 FT) EAST FROM A WITNESS POST AND SIGN, 1.07 METERS (3.5 FT) WEST FROM A WITNESS POST AND SIGN, 8.23 METERS (27.0 FT) NORTH FROM THE CENTERLINE OF CACTUS ROAD, 29.57 METERS (97.0 FT) WEST FROM A FARM ROAD. THE UNDERGROUND MARK IS A STANDARD AGS DISK STAMPED---DELL 1986---, SET INTO AN IRREGULAR MASS OF CONCRETE 0.8 METERS BELOW THE SURFACE.

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in August 1993.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)
  • The X, Y, and Z were computed from the position and the ellipsoidal ht.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The ellipsoidal height was determined by GPS observations and is referenced to NAD 83.
  • The geoid height was determined by GEOID99.

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