Phelps Dodge Silica Mine (Lime Chief 1 and 2), Quijotoa District, Quijotoa Mts, Pima Co., Arizona, USA
Latitude: 32°13'20"N
Longitude: 112°16'8"W
Ref.: Arizona Department of Mineral Resources (1961) file data.
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
MRDS database Dep. ID file #10065020, MRDS ID #TC40008; and, Dep. ID #10161650, MAS ID #0040190746.
A former small surface Silica mine located in sec. 10, T14S, R1E, at the extreme western side of the district.
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