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Details for Benchmark: CZ2211

N 32° 44.997 W 111° 46.378 (NAD 83)

Altitude: 1464.2

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
AC 53
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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Recovered as described, in good condition.

[Photos:]
photoAC 53 / CZ2211
A close-up of the mark, with the GPSr.
photoAC 53 / CZ2211
A close-up of the mark alone.
photoAC 53 / CZ2211
A wide view of the general area, looking north.

Nothing quite visible in photo.

Documented History (by the NGS)

01/01/1966 by DMA (MONUMENTED)
DESCRIBED BY DEFENSE MAP AGENCY 1966 T-8-S. R-6-E. IN SECTION 6 NEAR THE SOUTHWEST CORNER. THE STATION MARK IS A CORPS OF ENGINEERS, U.S. ARMY DISK CENTERED IN THE TOP OF A ROUND CONCRETE POST 8 INCHES IN DIAMETER PROJECTING 0.2 FOOT ABOVE THE SURFACE OF THE GROUND. THE MARK IS STAMPED--AC 53 1966 ARMY MAP SERVICE. THE STATION MARK IS LOCATED ABOUT 450 FEET EAST OF THE ASSUMED NORTH-SOUTH SECTION LINE. 75 FEET NORTHEAST OF THE NORTHWEST-SOUTHEAST ROAD. TO REACH FROM THE NORTH BOUNDARY OF THE PAPAGO INDIAN RESERVATION AT CHUICHU ROAD, 8 MILES SOUTH OF CASA GRANDE, ARIZONA GO SOUTHWEST ON THE CHUICHU ROAD FOR 1.35 MILES TO A ROAD LEFT. TURN LEFT AND GO SOUTHEAST FOR 0.25 MILE. THE STATION SITE IS ABOUT 75 FEET NORTHEAST OF THE POINT.

Control Text

  • The horizontal coordinates were established by classical geodetic methods 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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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