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Reports from 1951

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Direct Reduction of Zinc Sulfide under Vacuum -- Course work, Merritt E. Langston

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Progress Report: Reduction of Zinc Sulfide, Merritt E. Langston

Reports from 1949

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A Report on the Reduction of Sphalerite under Reduced Pressure, John H. Fuqua and William H. Magruder

Reports from 1921

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A Report On "Relieving Traffic Congestion on the Southern Pacific between Oregon City, Oregon and Woodburn, Oregon.", Henri Chomeau