Latitude: 31°53'9"N
Longitude: 110°38'11"W
‡Ref.: Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 117 (Table 4).
USGS Empire Mountains Quadrangle topo map.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10026852, MRDS ID #M000540; and, Dep. ID #10283784, MAS ID #0040190176.
A former small surface Au-Ag-Cu-Pb mine located in the NW ¼ sec. 8, T.18S., R.17E., 30 miles SE of Tucson. Produced 1903. Owned by P. Sullivan.
Mineralization is oxidized base metal sulfides in weathered, contact-metamorphosed, Paleozoic limestone and quartzite along a contact with Laramide quartz monzonite.
Workings are surface openings. Some 100 tons of 0.5 oz. Au/T and 19 oz. Ag/T ore were shipped in 1903.
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