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Details for Benchmark: CZ2300

N 32° 50.104 W 111° 45.462 (NAD 83)

Altitude: 1417.8

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
AD 47
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.

Reference Points

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Still in good shape, 4 years later.

[Photos:]
photoCZ2300
photoCZ2300 w GPSr

Recovered as described, in good condition.

[Photos:]
photoAD 47 / CZ2300
A close-up of the mark, with the GPSr.
photoAD 47 / CZ2300
A close-up of the mark alone.
photoAD 47 / CZ2300
A wide view of the general area, looking north.

Found while caching with whirledcache

Recovered in good condition Army Corps of Engineers AD 47(1968) reset as described.(About 48 feet NNW of adjusted coordinates)

[Photos:]
photoAD 47.JPG

Not present in aerial photos.

Documented History (by the NGS)

1/1/1967 by DMA (MONUMENTED)
DESCRIBED BY DEFENSE MAP AGENCY 1967 MONUMENT WASHED OUT BY FLOOD LATE 1967. TO BE RESET, 1968 AT--210 FT S. FROM SECTION CORNER AND 125 FT. W. FROM SECTION LINE. T-7-S. R-6-E. IN SECTION 7 NEAR THE NORTHEAST 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--AD 47 1967 ARMY MAP SERVICE. THE STATION MARK IS LOCATED 211 FEET SOUTH OF THE CENTERLINE OF EAST-WEST CANAL DITCH. 158 FEET SOUTH OF THE CENTERLINE OF EAST-WEST CANAL ROAD. 100 FEET WEST OF THE CENTERLINE OF NORTH-SOUTH ROAD. 210 FEET SOUTH AND 125 FEET WEST FROM THE SECTION CORNER. TO REACH FROM THE JUNCTION OF STATE ROUTES 84 AND 93 IN CASA GRANDE, ARIZONA GO SOUTHEAST ON 84 AND 93 FOR 0.25 MILE TO A CROSSROAD (FLORENCE ST.). TURN RIGHT AND GO SOUTHWEST ON FLORENCE ST. FOR 0.4 MILE TO A CROSSROAD (CHUICHU ROAD). TURN LEFT AND GO SOUTH ON CHUICHU ROAD FOR 2.5 MILES TO THE CASA GRANDE CANAL AND THE STATION SITE.
3/14/1998 by USPSQD (MARK NOT FOUND)
RECOVERY NOTE BY US POWER SQUADRON 1998 MARK NOT FOUND.

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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