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by Haas, L. A.
Published: U.S. Dept. of the Interior, Bureau of Mines, 1985
Description: 14 pages : illustrations ; 28 cm.
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by Haas, L. A.
Published: U.S. Dept. of the Interior, Bureau of Mines, 1989
Description: 21 pages : illustrations ; 28 cm.
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Bentonite Binders (Materials) Gas Iron Metallurgy Iron ores Iron oxides Pelletizing (Ore-dressing) Reduction (Chemistry)