Washoe mill and smelter, Anaconda
Washoe mill and smelter, Anaconda
Washoe mill and smelter, Anaconda
Leonard Mine, Butte
Leonard Mine, Butte
British American Oil Co. refinery, Coutts
British American Oil Co. refinery, Coutts
British American Oil Co. refinery, Coutts
British American Oil Co. refinery, Coutts
British American Oil Co. refinery, Coutts