Public domain
Production. Zinc. Recovering zinc by flotation at a large concentrator. From the Eagle-Picher plant near Cardin, Oklahoma, come great quantities of zinc and lead to serve many important purposes in the war effort
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Credit lineProduction. Zinc. Recovering zinc by flotation at a large concentrator. From the Eagle-Picher plant near Cardin, Oklahoma, come great quantities of zinc and lead to serve many important purposes in th. 1943-01-01. Henle, Fritz, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
