Public domain
Great Falls, Montana. Electrolytic copper refinery of Anaconda Copper Mining Company. Preparing starting sheets; the workman is shown stripping the starting sheet of electrolytic copper; this copper has been deposited on a rolled copper blank, which has been lightly greased so as to prevent the depo
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Credit lineGreat Falls, Montana. Electrolytic copper refinery of Anaconda Copper Mining Company. Preparing starting sheets; the workman is shown stripping the starting sheet of electrolytic copper; this copper h. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.