Public domain
Anaconda smelter, Montana. Anaconda Copper Mining Company. Classifier which removes the slimy material from the granular material after it has passed through the ballmills; the slimy material is removed and the granular material returns to ballmill for more grinding
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Credit lineAnaconda smelter, Montana. Anaconda Copper Mining Company. Classifier which removes the slimy material from the granular material after it has passed through the ballmills; the slimy material is remov. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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