Leonard Mine, Butte
Leonard Mine, Butte
Rail yards, Butte
American Smelting and Refining Co., Montana
American Smelting and Refining Co., Montana
American Smelting and Refining Co., Montana
American Smelting and Refining Co., Montana
American Smelting and Refining Co., Montana
American Smelting and Refining Co. workers
Electrolytic zinc room, Great Falls
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