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Details for Benchmark: CZ0339

N 32° 39.283 W 111° 24.033 (NAD 83)

Altitude: 1774.17

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

Location:
In PINAL county, AZ View Original Datasheet
Designation:
K 279
Marker Type:
survey disk
Setting:
retaining walls, concrete ledge, etc.
Stability:
May hold, but of type commonly subject to surface motion.

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Found looking pretty beat up.

[Photos:]
photoCZ0339
photoCZ0339 w GPSr

Recovered as described, in good condition. GPS (HH2) co-ordinates N32 Deg 39.283' W111 Deg 24.050 '.

[Photos:]
photoK 279 / CZ0339
A close-up of the mark, with the GPSr.
photoK 279 / CZ0339
A close-up of the mark alone.
photoK 279 / CZ0339
A wide view of the general area, looking northwest.

Documented History (by the NGS)

Unknown by AZHD (MONUMENTED)
01/01/1952 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1952 6.8 MI SE FROM PICACHO. 6.8 MILES SOUTHEAST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE STATION AT PICACHO, AT PICACHO PEAK, AT THE T JUNCTION OF A GRAVEL ROAD LEADING SOUTHWEST TO THE ARIZONA STATE HIGHWAY MAINTENANCE OFFICE, AT A 36 INCH CORRUGATED METAL PIPE CULVERT UNDER STATE HIGHWAY 84, IN THE TOP OF THE CENTER OF THE NORTHEAST CONCRETE HEADWALL, 63 FEET EAST OF THE CENTER OF A JUNCTION OF A GRAVEL ROAD, 15 1/2 FEET NORTHEAST OF THE CENTER LINE OF AND ABOUT 1 FOOT HIGHER THAN THE HIGHWAY.
01/01/1960 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1960 RECOVERED IN GOOD CONDITION.
01/01/1975 by AZDT (GOOD)
RECOVERY NOTE BY ARIZONA DEPARTMENT OF TRANSPORTATION 1975 FROM THE PICACHO PASS UNDERPASS, AT MILEPOST 219.8 OF I-10, NORTH 0.1 MILES TO A T JUNCTION. RIGHT, WEST, FOR 0.65 MILES AND TO THE STATION ON THE RIGHT. ON A 10 FT. CULVERT HEADWALL, ABOUT LEVEL WITH THE ROAD. AN AHD BRASS CAP, SET IN THE TOP AND CENTER OF A 10 FT. CULVERT HEADWALL AND STAMPED WITH A USC AND GS DESIGNATION.
01/01/1978 by USGS (GOOD)
RECOVERY NOTE BY US GEOLOGICAL SURVEY 1978 PICACHO P.O., 7.0 MI. SE OF ALONG NE FRONTAGE ROAD OF I-10. 0.65 MI. NW OF PICACHO PEAK ROAD INTERCHANGE. AT A 36 IN. CORRUGATED METAL PIPE CULVERT IN THE TOP OF THE CENTER OF THE NE CONCRETE HEADWALL. 15 1/2 FT. NE OF CENTERLINE OF FRONTAGE ROAD, AND ABOUT 1 FT. HIGHER THAN ROAD. AHD BRONZE TABLET STAMPED K-279.
01/01/1980 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1980 THE MARK IS 0.2 M ABOVE THE ROAD. 41.6 KILOMETERS (25.85 MILES) SOUTHEAST ALONG THE SOUTHERN PACIFIC RAILROAD FROM THE STATION AT CASA GRANDE, 0.2 KILOMETER (0.1 MILE) NORTHWEST OF RAILROAD BRIDGE 944.57, AT A 3.0-METER PIPE CULVERT UNDER A FRONTAGE ROAD (OLD U. S. HIGHWAY 84), IN THE TOP CENTER OF THE NORTHEAST HEADWALL, 61.6 METERS (202 FEET) SOUTHWEST OF THE SOUTHWEST RAIL OF THE MAIN TRACK, 4.6 METERS (15 FEET) NORTHEAST OF THE CENTERLINE OF THE ROAD AND 1.8 METERS (6 FEET) NORTHWEST OF THE SOUTHEAST END OF THE HEADWALL.
01/01/1984 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1984 RECOVERED IN GOOD CONDITION.
12/05/1991 by NGS (GOOD)
RECOVERY NOTE BY NATIONAL GEODETIC SURVEY 1991 11.3 KM (7.00 MI) SOUTHEASTERLY ALONG CAMINO ADELANTE ROAD FROM THE POST OFFICE IN PICACHO, IN TOP OF AND 1.9 M (6.2 FT) NORTHWEST OF THE SOUTHEAST END OF THE NORTHEAST CONCRETE HEADWALL OF A CULVERT, 21.0 M (68.9 FT) SOUTHEAST OF THE EXTENDED CENTER OF A DRIVEWAY LEADING TO A GRAVEL STORAGE AREA, 4.7 M (15.4 FT) NORTHEAST OF THE ROAD CENTERLINE, AND 0.2 M (0.7 FT) ABOVE THE LEVEL OF THE ROAD.

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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