Anaconda Copper Mining Co. smelter and wire mill
Anaconda Copper Mining Co. smelter and wire mill
Anaconda Copper Mining Co. smelter and wire mill
Great Northern Railroad line, Montana
American Smelting and Refining Co. workers
American Smelting and Refining Co., Montana
American Smelting and Refining Co., Montana
Rail yards, Butte
Rail yards, Butte
Butte, Montana