University of Arizona

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  1. Records of the Twin Buttes Mining and Smelting Company

    Mining operation in the Twin Buttes area, Pima County, Arizona, subsequently leased or owned by Bush-Baxter, Glance Mining Company, Midland Copper Company, San Xavier Extension Copper Company. In addition to its mines the company operated a boarding house ...

    castanoe - 2014-09-16 13:47