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Details for Benchmark: CZ2209

N 32° 40.502 W 111° 45.489 (NAD 83)

Altitude: 1528.3

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
AD 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 about 5.00 miles to the station site and the mark on the right.

[Photos:]
photoAD 58 / CZ2209
A close-up of the mark, with the GPSr.
photoAD 58 / CZ2209
A close-up of the mark alone.
photoAD 58 / CZ2209
A wide view of the general area, looking west.

Found it while looking for Home on the Range.

Cross is highly visible in photo, even from the 2 km "resolution".

Documented History (by the NGS)

1/1/1966 by DMA (MONUMENTED)
DESCRIBED BY DEFENSE MAP AGENCY 1966 T-9-S. R-6-E. IN SECTION 4 NEAR THE NORTHWEST 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 0.4 FOOT ABOVE THE SURFACE OF THE GROUND. THE MARK IS STAMPED--AD 58 1966 ARMY MAP SERVICE. THE STATION MARK IS LOCATED 108 FEET SOUTH OF THE EAST-WEST FENCE. 99 FEET SOUTH OF THE CENTERLINE OF EAST-WEST TRAIL. 79 FEET WEST OF CENTERLINE OF NORTH-SOUTH TRAIL. 152.7 FEET SOUTHWEST OF A SECTION CORNER. 118.2 FEET SOUTHEAST OF A 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 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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