Public domain
Production. Copper. A rotary car dumper drops the ore into the grizzlies, the larger sizes of ore sliding into the gyratory crusher at the Magna mill of the Utah Copper Company
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Credit lineProduction. Copper. A rotary car dumper drops the ore into the grizzlies, the larger sizes of ore sliding into the gyratory crusher at the Magna mill of the Utah Copper Company. 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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