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Genre Photographs Remove constraint Genre: Photographs Creator Mariano, E. Remove constraint Creator: Mariano, E. Format Image Remove constraint Format: Image Rights No Known Copyright Remove constraint Rights: No Known Copyright Subject Steel alloy industry Remove constraint Subject: Steel alloy industry Subject Furnaces Remove constraint Subject: Furnaces Subject Mineral industries Remove constraint Subject: Mineral industries

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    • Exterior view of the Furnaces
    • 1911-Oct-25

    Exterior view of the furnaces at the American Vanadium Company (later the Vanadium Corporation of America) mining camp located at Mina Ragra in the Peruvian Andes. Vanadium, a malleable transition metal, was discovered…