Public domain
Untitled photo, possilbly related to: Morenci, Arizona. Ball mills in the concentrator plant of the Phelps Dodge mining corporation which grinds copper ore to small sizes
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineUntitled photo, possilbly related to: Morenci, Arizona. Ball mills in the concentrator plant of the Phelps Dodge mining corporation which grinds copper ore to small sizes. 1942-01-01. Henle, Fritz. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
Similar works
Production. Copper. A ball mill which brings copper ores to fine sizes at a large copper concentrator of the Phelps-Dodge Mining Company at Morenci, Arizona. This plant supplies great quantities of the copper so vital in our war effort
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Untitled photo, possibly related to: Examining rice to determine progress of milling operation, Crowley, Louisiana, state rice mill
Untitled photo, possibly related to: Anaconda smelter, Montana. Anaconda Copper Mining Company. Pouring copper anodes from the refining furnace; product at this stage is about ninety-nine and one quarter percent copper
Untitled
Amaconda smelter, Montana. Anaconda Copper Mining Company. Pouring copper anodes from the refining furnace; product at this stage is about ninety-nine and one quarter percent copper