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Details for Benchmark: DA0855

N 32° 00.300 W 113° 01.817 (NAD 83)

Altitude: 1261.3

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

Location:
In PIMA county, AZ View Original Datasheet
Designation:
S 109
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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Documented History (by the NGS)

01/01/1935 by CGS (MONUMENTED)
01/01/1952 by NGS (GOOD)
DESCRIBED BY NATIONAL GEODETIC SURVEY 1952 1..85 MI NW FROM LUKEVILLE. 0.95 MILES NORTH ALONG THE SONOYTA-AJO HIGHWAY FROM THE POST OFFICE AT LUKEVILLE TO THE JUNCTION, THENCE 14.05 MILES WEST TO QUITOVOQUITO AND A Y JUNCTION, THENCE 4.85 MILES NORTH ALONG THE BATES WELL ROAD, 0.3 MILE NORTHWEST OF AN OLD WELL AND STOCK CORRAL, 190 FEET SOUTH OF THE CENTER OF THE ROAD AND A WASH CROSSING IT, 30 1/2 FEET SOUTHWEST OF THE CENTER LINE OF THE ROAD, 1.7 FEET WEST OF A WITNESS POST, IN A CONCRETE POST PROJECTING 0.3 FOOT, AND ABOUT 1/2 FOOT HIGHER THAN THE ROAD.

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  • The NAVD 88 height was computed by applying the VERTCON shift value to the NGVD 29 height (displayed under SUPERSEDED SURVEY CONTROL.) The vertical order pertains to the superseded datum.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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