Public domain
Production. Tungsten. A piece of tungsten ore mined near Kingman, Arizona and to be processed at a nearby recovery plant. 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. A piece of tungsten ore mined near Kingman, Arizona and to be processed at a nearby recovery plant. 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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Untitled photo, possibly related to: Kingman (vicinity), Arizona. Powdered tungsten ore, mined near Kingman at the Boriana workings. This ore is used to increase the hardness of steel for cutting tools and, since the war, has been used for many vital war purposes
Piece of ore in hand of prospector, Pinos Altos, New Mexico
Kingman (vicinity), Arizona. Powdered tungsten ore, mined near Kingman at the Boriana workings. This ore is used to increase the hardness of steel for cutting tools and, since the war, has been used for many vital war purposes
Untitled photo, possibly related to: Piece of ore in hand of prospector, Pinos Altos, New Mexico
Untitled photo, possibly related to: Kingman (vicinity), Arizona. Powdered tungsten ore, mined near Kingman at the Boriana workings. This ore is used to increase the hardness of steel for cutting tools and, since the war, has been used for many vital war purposes