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Details for Benchmark: CZ0379

N 32° 52.750 W 111° 28.833 (NAD 83)

Altitude: 1476.45

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
S 283
Marker Type:
bench mark 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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Found it in good shape.

[Photos:]
photoS283
photoCZ0379

Recovered as described, in good condition.

[Photos:]
photoS 283 / CZ0379
A close-up of the mark, with the GPSr.
photoS 283 / CZ0379
A close-up of the mark alone.
photoS 283 / CZ0379
A wide view of the general area, looking southwest.

Documented History (by the NGS)

01/01/1949 by CGS (MONUMENTED)
01/01/1967 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1967 13.4 MI N FROM PICACHO. ABOUT 1.0 MILE NORTHWEST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE DISTRICT 33 ELEMENTARY SCHOOL AT PICACHO, THENCE 9.7 MILES NORTH ALONG THE SOUTHERN PACIFIC RAILROAD, THENCE 1.3 MILES SOUTHEAST ALONG A DIRT ROAD ON THE NORTH BANK OF THE CASA GRANDE-FLORENCE CANAL, THENCE 1.4 MILES NORTHEAST ALONG A PRIVATE DIRT ROAD, OR ABOUT 1.0 MILE NORTHWEST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE DISTRICT 33 ELEMENTARY SCHOOL AT PICACHO, THENCE 10.6 MILES NORTH ALONG THE SOUTHERN PACIFIC RAILROAD, THENCE 1.8 MILES EAST ALONG A GRAVELED ROAD, IN S 26 T 6 S, R 8 E, 48 FEET WEST OF THE CENTER LINE OF THE DIRT ROAD, 33 FEET SOUTH OF THE CENTER LINE OF THE GRAVELED ROAD, 52 FEET EAST OF A POWER POLE BRACED BY A GUY WIRE, 1.0 FOOT NORTH OF A FENCE, 1.2 FEET EAST OF A METAL WITNESS POST, ABOUT 1 FOOT ABOVE THE LEVEL OF THE ROAD, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 2 INCHES.
01/06/1992 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1992 1.4 KM (0.85 MI) SOUTHERLY ALONG MAIN STREET (STATE HIGHWAY 287) FROM THE POST OFFICE IN FLORENCE, THENCE 4.1 KM (2.55 MI) SOUTHWESTERLY ALONG CANAL ROAD, THENCE 1.7 KM (1.05 MI) SOUTHERLY ALONG SELLERS STREET, THENCE 1.8 KM (1.10 MI) WESTERLY ALONG VAH KI INN ROAD, THENCE 1.5 KM (0.95 MI) SOUTHERLY ALONG VALLEY FARMS ROAD, THENCE 1.6 KM (1.00 MI) WESTERLY ALONG KENILWORTH ROAD, THENCE 3.2 KM (2.00 MI) SOUTHERLY ALONG CLEMANS ROAD, THENCE 0.7 KM (0.45 MI) WESTERLY ALONG BARTLETT ROAD, THENCE 4.0 KM (2.50 MI) SOUTHERLY ALONG WHEELER ROAD, THENCE 1.6 KM (1.00 MI) WESTERLY ALONG KLECK ROAD, THENCE 3.2 KM (2.00 MI) SOUTHERLY ALONG A GRAVELED ROAD, 18.8 M (61.7 FT) WEST OF THE EXTENDED CENTER OF THE ROAD, 15.7 M (51.5 FT) EAST OF A UTILITY POLE WITH A GUY CABLE, 11.5 M (37.7 FT) SOUTH OF THE CENTER OF A GRAVELED ROAD, 9.3 M (30.5 FT) WEST OF A FENCE CORNER, 0.4 M (1.3 FT) NORTH OF A FENCE, 0.4 M (1.3 FT) EAST OF A WITNESS POST, 0.3 M (1.0 FT) ABOVE THE LEVEL OF THE ROAD, AND THE MONUMENT IS RECESSED 0.1 M (0.3 FT) BELOW THE GROUND SURFACE.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The orthometric height was determined by differential leveling and adjusted by the National Geodetic Survey in November 1993.
  • The geoid height was determined by GEOID99.
  • The dynamic height is computed by dividing the NAVD 88 geopotential number by the normal gravity value computed on the Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45 degrees latitude (G = 980.6199 gals.).
  • The modeled gravity was interpolated from observed gravity values.

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