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Details for Benchmark: CZ2396

N 32° 15.335 W 110° 57.298 (NAD 83)

Altitude: 2394

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

Location:
In PIMA county, AZ View Original Datasheet
Designation:
WR 52
Marker Type:
survey disk
Setting:
set into the top of a round concrete monument
Stability:
May hold, but of type commonly subject to surface motion.

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Well being in the grass is not a problem anymore. Nice concrete apron borders setting; however BM has been removed and only the post remains.

[Photos:]
photoCZ2396

Found this in great shape where described at N 32 15.340 W 110 57.310. It's in the grass, so it's tricky at night to see and it's not that big white thing near the power pole.

[Photos:]
photoGZ2396
photoGZ2396 Distance

Found in the dark

[Photos:]
photoIMG_20120914_190315

Found in good shape.

[Photos:]
photoCZ2396

Still looks like it will last for a long time.

Found in Good Condition 1/16/2010.

Found in good condition.

[Photos:]
photoWR 52

Benchmark is in great shape and right where described.

[Photos:]
photoCZ2396
photoCZ2396 w/GPSr

Found in good condition.

[Photos:]
photoCZ2396 Near Tucson Water Gaging Station
photoCZ2396 Close up
photoGaging station

Found as described. Disk is in good condition.

MO & GO; Tucson, Arizona

[Photos:]
photoGaging Station Disk; Tucson, Pima Co. Arizona

Documented History (by the NGS)

01/01/1987 by USGS (MONUMENTED)
DESCRIBED BY US GEOLOGICAL SURVEY 1987 (SA) THE STATION IS LOCATED ON THE NORTH SIDE OF TUCSON, IN A SMALL PARK. OWNERSHIP--CITY OF TUCSON, BRUCE JOHNSON, WATER RESOURCES DIVISION, TUCSON WATER, P.O. BOX 27210, TUCSON AZ 85726. FOR SITE INFORMATION CONTACT STEVE ANDERSON, U.S. GEOLOGICAL SURVEY, PHONE 602-629-6223. TO REACH THE STATION FROM THE JUNCTION OF INTERSTATE HIGHWAY 10 AND PRINCE ROAD IN NORTHWEST TUCSON, GO EAST FOR 3.8 KM (2.35 MI) ON PRINCE ROAD TO THE INTERSECTION OF STONE AVE. CONTINUE STRAIGHT AHEAD AND GO EAST FOR 1.0 KM (0.65 MI) ON PRINCE ROAD TO THE INTERSECTION OF 1ST AVE. TURN RIGHT AND GO SOUTH FOR 1.6 KM (1.0 MI) ON 1ST AVE TO THE INTERSECTION OF GLENN ST. TURN LEFT AND GO EAST FOR 0.4 KM (0.25 MI) ON GLENN ST TO THE INTERSECTION OF PARK AVE. TURN RIGHT AND GO SOUTH FOR 0.2 KM (0.1 MI) ON PARK AVE TO A PAVED ROAD LEFT, MITCHELL ST. TURN LEFT AND GO EAST FOR 0.1 KM (0.05 MI) ON MITCHELL ST TO A FORK. FOLLOW THE RIGHT FORK AND GO SOUTHEAST FOR 0.1 KM (0.05 MI) ON SANTA RITA AVE TO AN EXTENSOMETER AND THE STATION ON THE LEFT IN A SMALL PARK. THE STATION IS A STANDARD USGS GAGING STATION DISK STAMPED---WR-52 1987---, SET INTO THE TOP OF A SQUARE CONCRETE MONUMENT 33 CM ON SIDE FLUSH WITH GROUND. LOCATED 28.83 METERS (94.6 FT) EAST-NORTHEAST FROM A METAL LIGHT POLE, 24.02 METERS (78.8 FT) NORTH-NORTHEAST FROM THE NORTHEAST CURB OF SANTA RITA AVE, 23.35 METERS (76.6 FT) SOUTHWEST FROM A FIRE HYDRANT, 22.40 METERS (73.5 FT) NORTHWEST FROM A METAL LIGHT POLE, 20.79 METERS (68.2 FT) NORTH-NORTHWEST FROM THE NORTH CORNER OF A CHAIN LINK FENCE AROUND EXTENSOMETER, 12.37 METERS (40.6 FT) SOUTH-SOUTHEAST FROM THE SOUTH CURB OF MITCHELL ST AND 8.14 METERS (26.7 FT) WEST FROM A UTILITY POLE WITH ELECTRIC METER. AVRA VALLEY, ARIZONA, SUBSIDENCE MONITORING, FEBRUARY-MARCH 1987. THIS STATION SUITABLE FOR GPS SURVEYS. DESCRIBED BY D.F. CALLAHAN.

Control Text

  • The horizontal coordinates were established by GPS observations 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 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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