Public domain
Kingman (vicinity), Arizona. Mr. Relling, in the laboratory, analyzing tungsten ore and concentrates in a plant near the Boriana mines where the chromium-like metallic elements are obtained
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineKingman (vicinity), Arizona. Mr. Relling, in the laboratory, analyzing tungsten ore and concentrates in a plant near the Boriana mines where the chromium-like metallic elements are obtained. 1942-01-01. Henle, Fritz. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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