Anaconda Copper Mining Co. smelter and wire mill
Anaconda Copper Mining Co. smelter and wire mill
Anaconda Copper Mining Co. smelter and wire mill
Anaconda Copper Mining Co. smelter and wire mill
Black Eagle Dam, Great Falls
Washoe mill and smelter, Anaconda
Washoe mill and smelter, Anaconda
Washoe mill and smelter, Anaconda
Anaconda Copper Mining Co. smelter and wire mill
Anaconda Copper Mining Co. smelter and wire mill