Public domain
Great Falls, Montana. Furnace refinery of Anaconda Copper Mining Company. The cooled wire bars pile up at end of a conveyor and are carried by a crane to an inspecting and stacking platform
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineGreat Falls, Montana. Furnace refinery of Anaconda Copper Mining Company. The cooled wire bars pile up at end of a conveyor and are carried by a crane to an inspecting and stacking platform. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.