Latitude: 33°18'27"N
Longitude: 114°29'27"W
Ref.: Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese Deposits of Eastern Arizona, US Bureau of Mines Information Circular 7990: 81.
USGS & Arizona Bureau of Mines, and U.S. Bureau of Reclamation (1969), Mineral and Water Resources of Arizona, Arizona Bureau of Mines Bull. 180 (USGS Bull.871): 219.
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 #10186067, MAS ID #0040120013.
A former surface and underground Mn mine located in the SE¼ sec. 1, T2S, R22W (SW¼ sec. 1, T1S, R22W per MRDS)(protracted). Discovered 1954. Owned by Messrs. Carl and Harvey Self (1973). Operated at times, or in part, by E. H. Cockrum and T. H. Mcnelly (1973).
Mineralization is psilomelane in brecciated wall rock in parallel shear veins in Tertiary andesitic volcanics.
Workings include an open cut. This mine was worked in 1948-1950 and in 1954-1955. It produced some 400 long tons of about 41% Mn ore.
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