Public domain
Production. Copper. A rotary car dumper discharging copper ore at the large crushing plant of the Magna mill of the Utah Copper Company. Its plants at Magna and Arthur in Utah are treating vast quantities of the copper so vital for war production
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineProduction. Copper. A rotary car dumper discharging copper ore at the large crushing plant of the Magna mill of the Utah Copper Company. Its plants at Magna and Arthur in Utah are treating vast quanti. 1940-01-01. United States. Office Of War Information, Feininger, Andreas. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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