Public domain
Production. Tungsten. This plant near Kingman, Arizona, produces tungsten concentrate from ores mined in nearby workings. The Boriana mine and plant at this point are producing large amounts of tungsten, for which there are many vital uses in the war effort. Boriana Mine, Arizona
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Credit lineProduction. Tungsten. This plant near Kingman, Arizona, produces tungsten concentrate from ores mined in nearby workings. The Boriana mine and plant at this point are producing large amounts of tungst. 1942-01-01. Henle, Fritz, United States. Office Of War Information. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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