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Details for Benchmark: CZ2197

N 32° 40.534 W 111° 44.470 (NAD 83)

Altitude: 1527

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
AE 58
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. An update to the to-reach follows. From the Sunland Gin Road exit on I-10 go south on Sunland Gin Road 9.11 miles to the intersection of Harmon Road. Then west on Harmon Road 4.03 miles to the station site and the mark on the left.

[Photos:]
photoAE 58 / CZ2197
A close-up of the mark, with the GPSr.
photoAE 58 / CZ2197
A close-up of the mark alone.
photoAE 58 / CZ2197
A wide view of the general area, looking northwest.

Documented History (by the NGS)

1/1/1966 by DMA (MONUMENTED)
DESCRIBED BY DEFENSE MAP AGENCY 1966 T-8-S. R-6-E. IN SECTION 32 NEAR THE SOUTHEAST 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--AE 58 1966 ARMY MAP SERVICE. THE STATION MARK IS LOCATED IN THE INTERSECTING CENTERLINES OF NORTH-SOUTH EAST-WEST ROAD (BLADED). 90 FEET NORTH OF THE CENTERLINE OF EAST-WEST TRAIL. 81 FEET NORTH OF SECTION CORNER. 191.3 FEET WEST-NORTHWEST OF 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 FLORENCE STREET. TURN RIGHT AND GO SOUTHWEST AND SOUTH ON FLORENCE STREET (CHUICHU ROAD) FOR 7.9 MILES TO A CURVE SOUTHWEST. CONTINUE SOUTHWEST FOR 2.0 MILES (PASSING THROUGH THE VILLAGE OF CHUICHU) TO A T ROAD SOUTHEAST. TURN LEFT AND GO SOUTHEAST FOR 0.85 MILE TO A FORK. TAKE LEFT FORK AND GO EAST AND SOUTHEAST (PASSING ALONG NORTH SIDE OF A RIDGE) FOR 2.6 MILES TO A FENCE CORNER. CONTINUE ON ROAD SOUTH FOR 2.0 MILES TO A EAST-WEST FENCE AND A CROSSROAD. GO EAST 1.0 MILE ON A BLADED TRAIL TO A BLADED T TRAIL SOUTH 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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.)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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