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Details for Benchmark: CZ2167

N 32° 43.116 W 111° 40.306 (NAD 83)

Altitude: 1529.7

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
AJ 55
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.

[Photos:]
photoCZ2167
photoCZ2167 w GPSr

Found in good shape, as described.

[Photos:]
photoCZ2167
photoCZ2167 Wider View
photoCZ2167 Petals

Recovered as described, in good condition. GPS (HH2) co-ordinates Nº' Wº'.

[Photos:]
photoAJ 55 / CZ2167
A close-up of the mark, with the GPSr.
photoAJ 55 / CZ2167
A close-up of the mark alone.
photoAJ 55 / CZ2167
A wide view of the general area, looking northeast.

Recovered Station Mark, Reference Mark E, and Reference Mark S in good condition as described with the following update to the description – the Station Mark is flanked on 4 sides by 25 foot concrete petals that form a cross.

To reach the Station from the intersection of I-10 and Sunland Gin Road – take S. Sunland Gin Road South for 6 miles to W. Phillips Road. Cross W. Phillips Road and the Station is on the right.

[Photos:]
photoCZ2167 - Benchmark – Pinal County, AZ
photoCZ2167 - RME
photoCZ2167 - RMS
photoCZ2167 – East looking West
N 32° 43.117 W 111° 40.308

Found with Tausert while heading back from AZ city to our Astronomy clubs Messier Marathon at the Farnsworth Ranch. Wasn't really looking but saw the cross and knew right away what it was. Found a low spot on the fence and verified the PID & took a few pics.

Clear Skies
Rick
AKA SaguaroAstro

[Photos:]
photoThe Benchmark
photoLooking east at the cross
photoAnyone know what the hole is for?
photoAnyone know what the hole is for?

Logged this one between Farmer Tom and Mine is a Terrible Thing to Waste.

After finding out about this series of benchmarks in the Casa Grande area, that are similar to the ones near my [url=http://www.geocaching.com/seek/cache_details.aspx?guid=6d6ac28b-2223-4855-ae20-283eecb62368] Lonesome Bush Cache, [/url] we had to come and check them out.

Our ninth benchmark was an easy find, spotted from the road. We came here from the town cross benchmark [url=http://www.geocaching.com/mark/details.aspx?PID=CZ2166] CZ2166. [/url] I wish they were all easy to spot. On to the next one [url=http://www.geocaching.com/mark/details.aspx?PID=CZ2168] CZ2168. [/url]

Reportedly these benchmarks were for camera alignment and resolution studies. There are others believed to be in the area consisting of lines of different length and some with a bullseye pattern, but I have not found them or seen reports of them as yet.

Found this one before doing AJ-53, after doing a Cache in the Mt.

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 24 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--AJ 55 1966 ARMY MAP SERVICE. THE STATION MARK IS LOCATED 89 FEET SOUTHEAST OF CENTERLINE OF NORTHEAST-SOUTHWEST IRRIGATION DITCH. 47 FEET WEST OF NORTH-SOUTH FENCE. 83 FEET WEST OF THE CENTERLINE OF NORTH-SOUTH ROAD. 181 FEET SOUTH OF EAST-WEST FENCE. 219 FEET SOUTH OF THE CENTERLINE OF EAST-WEST ROAD. TO REACH FROM THE JUNCTION OF STATE ROUTES 84 AND 93 IN CASA GRANDE, ARIZONA GO SOUTHEAST ON 84 AND 93 FOR 6.4 MILES TO A ROAD SOUTH. TURN RIGHT AND GO SOUTH FOR 7.2 MILES TO A CROSSROAD AND THE STATION SITE. (2.5 MILES SOUTH OF THE ARIZONA CITY POST OFFICE.)

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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