Latitude: 32°53'50"N
Longitude: 110°19'36"W
An underground Cu prospect/mine located in the center of sec. 20, T6S, R20E (Cobre Grande Mountain 7.5 minute topo map), on land of mixed status. Unpatented claims extend into secs. 17 & 29. Owned by Mr. Calihan of Arizona (1980).
Mineralization includes secondary copper minerals.
References
Simons, F.S. (1964) Geology of the Klondyke Quadrangle Graham and Pinal Counties. USGS Professional Paper 461: 146.
U.S. Bureau of Land Management Mining Claims Lead File #38895 (July, 1980).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 7 (Table 1).
MRDS database Dep. ID #10234171, MAS ID #0040090046.
Mineral List
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