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Details for Benchmark: CZ2320

N 32° 48.334 W 111° 47.529 (NAD 83)

Altitude: 1419.6

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
AB 49
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:

Reference Points

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Found in good shape, as described.

[Photos:]
photo
photo

Found in good shape.

[Photos:]
photoCZ2320
photoCZ2320 w GPSr
photoCZ2320 Area

Recovered as described, in good condition.

[Photos:]
photoAB 49 / CZ2320
A close-up of the mark, with the GPSr.
photoAB 49 / CZ2320
A close-up of the mark alone.
photoAB 50 / CZ2319
A wide view of the general area, looking south.
photoAB 49 / CZ2320
A close-up of the RM on the south slab.
photoAB 49 / CZ2320
A close-up of the RM on the east slab.

Found today in great condition.

[Photos:]
photocz2320.JPG

Nothing visible in the aerial photos.

Documented History (by the NGS)

1/1/1966 by DMA (MONUMENTED)
DESCRIBED BY DEFENSE MAP AGENCY 1966 T-7-S. R-5-E. IN SECTION 23 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 0.1 FOOT ABOVE THE SURFACE OF THE GROUND. THE MARK IS STAMPED--AB 49 1966 ARMY MAP SERVICE. THE STATION MARK IS LOCATED 398 FEET SOUTH OF THE POWER LINE. 385 FEET SOUTH OF THE CENTERLINE OF THE EAST-WEST ROAD. 86 FEET WEST OF THE CENTERLINE OF THE NORTH-SOUTH ROAD. 65 FEET SOUTHEAST OF THE NORTHEAST-SOUTHWEST FENCE. 399.7 FEET SOUTHWEST OF 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 CROSSROAD (FLORENCE STREET). TURN RIGHT AND GO SOUTHWEST AND SOUTH ON FLORENCE STREET (CHUICHU ROAD) FOR 4.9 MILES TO CROSSROAD. TURN RIGHT AND GO WEST FOR 2.0 MILES TO CROSSROAD AND THE STATION SITE.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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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