Public domain
Production. Copper. Part of a group of five Symons short-head cone crushers for reducing the coarse copper ore to a smaller size at the Magna mill of the Utah Copper Company where vast quantities of copper ore are treated
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Credit lineProduction. Copper. Part of a group of five Symons short-head cone crushers for reducing the coarse copper ore to a smaller size at the Magna mill of the Utah Copper Company where vast quantities of c. 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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