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Details for Benchmark: CZ2424

N 32° 12.430 W 111° 00.313 (NAD 83)

Altitude: 2484

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

Location:
In PIMA county, AZ View Original Datasheet
Designation:
NN 17
Marker Type:
alumnium marker (other than a disk)
Setting:
set into the top of a metal pipe driven into the ground
Stability:
May hold, but of type commonly subject to surface motion.

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Seeking and logging BM today

[Photos:]
photoCZ2424
photoCz2424 Post

Found while strolling about the area getting some caches.

found in good shape

[Photos:]
photoNN 17

Found in great shape!

[Photos:]
photoat sunset
photoclose up

Found with no problem while benchmarking and geocaching in the area.

[Photos:]
photoCZ2424 NN 17 Tucson AZ and post
photoCZ2424 NN 17 Tucson AZ

Found it

Found in good condition.

[Photos:]
photoNN 17

Benchmark is in great shape and right where described.

[Photos:]
photoCZ2424 w/GPSr
photoCZ2424
photoCZ2424 w/Witness Post

No problems finding with the witness post next to it.

[Photos:]
photoWitness post and marker
photoMarker

FOund right on the numbers. No problems.

[Photos:]
photoYe olde benchmark...
+ GPS.

Found the disk in good shape next to the witness post.

[Photos:]
photoMarker
photoMarker and Withness Post

Documented History (by the NGS)

01/01/1990 by AZ-019 (MONUMENTED)
DESCRIBED BY PIMA COUNTY ARIZONA 1990 TO REACH STATION FROM THE INTERSECTION OF INTERSTATE 10 AND 22ND STREET, EXIT NUMBER 259, TRAVEL WEST ALONG 22ND STREET 2.41 KM (1.50 MI) TO THE STATION WHICH IS 0.56 KM (0.35 MI) EAST OF THE INTERSECTION OF 22ND STREET AND LA CHOLLA BOULEVARD. MARKER IS A STANDARD 8.3 CM (3-1/4IN) ALUMINUM CAP AFFIXED TO A 76 CM (30IN) ALUMINUM TUBE IMBEDDED IN A POURED CONCRETE MASS. MONUMENT IS 161.55 M (530.02 FT) EAST OF THE INTERSECTION OF 22ND STREET AND CAMINO SANTIAGO, 22.56 M (74.02 FT) NORTH OF THE CENTER OF 22ND STREET AND 0.5 M (1.64 FT) SOUTH OF A FOUR (4) STRAND BARBED WIRE FENCE. SUBSURFACE MARKER IS A MAGNET EPOXIED TO THE FLANGED BASE OF THE ALUMINUM TUBE MONUMENT.

Control Text

  • The horizontal coordinates were established by GPS observations and adjusted by the National Geodetic Survey in August 1993.
  • The orthometric height was determined by GPS observations and a high-resolution geoid model.
  • The X, Y, and Z were computed from the position and the ellipsoidal ht.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The ellipsoidal height was determined by GPS observations and is referenced to NAD 83.
  • The geoid height was determined by GEOID99.

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