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Details for Benchmark: DA0542

N 32° 35.267 W 112° 52.333 (NAD 83)

Altitude: 1157.1

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

Location:
In MARICOPA county, AZ View Original Datasheet
Designation:
H 332
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 in good shape.

[Photos:]
photoDA0542
photoDA0542 w GPSr
photoDA0542 Area

Recovered as described, in good condition.

[Photos:]
photoH 332 / DA0542
A close-up of the mark, with the GPSr.
photoH 332 / DA0542
A close-up of the mark alone.
photoH 332 / DA0542
A wide view of the general area, looking east.

Documented History (by the NGS)

01/01/1953 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1953 18.0 MI N FROM AJO. 16.3 MILES NORTH ALONG THE TUCSON, CORNELIA AND GILA BEND RAILROAD FROM THE STATION AT AJO, THENCE 1.3 MILES WEST ALONG A GRAVELED ROAD, THENCE 0.4 MILE NORTH ALONG STATE HIGHWAY 85, 1.0 MILE SOUTH OF THE T JUNCTION OF A GRAVELED ROAD LEADING TO WILLIAMS AIR FORCE AUXILIARY FIELD NO. 2, 56.5 FEET EAST OF THE CENTER LINE OF THE HIGHWAY, 19 1/2 FEET WEST OF THE CENTER OF A SMALL DRAIN DITCH, 2.3 FEET NORTH OF A WITNESS POST, ABOUT 1 1/2 FEET LOWER THAN THE HIGHWAY, AND SET IN THE TOP OF A CONCRETE POST PROJECTING 0.4 FOOT ABOVE THE GROUND.

Control Text

  • The horizontal coordinates were scaled from a topographic map and have an estimated accuracy of +/- 6 seconds.
  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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 geoid height was determined by GEOID99.

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