Latitude: 33°14'47"N
Longitude: 114°35'21"W
Ref.: Farnham, L.L. & L.A. Stewart (1958), Manganese deposits of western Arizona, US Bureau of Mines Information Circular 7843: 81.
Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 180 (Table 4).
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10161831, MAS ID #0040120082.
A former surface and underground manganese mine located in the SW ΒΌ sec. 13, T2S, R23W (protracted). Owned at times, or in part, by Montoys; Gerlack; J.P. Stewart & Associates; and the Western Exploration & Development Co.
Mineralization is manganese oxides in disconnected, lenticular shoots, with calcite and brecciated rock, along a fracture zone in Tertiary andesitic volcanics.
Workings include and open cut and shaft operations. This mine was worked from 1954 through 1959, producing some 650 long tons of 40%+, sorted Mn ore.
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