David H Lawhead

Methane Emissions from an Advancing Coal Mine Section in the Pittsburgh Coalbed

• Author(s): P. W. Jeran, David H. Lawhead, M. C. Irani

• Categories: Government publications

• Type: Book
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• Published: 1976
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• Publisher: Unknown

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Rock Fragmentation by High-frequency Fatigue

• Author(s): Patrick J. Cain, Syd S. Peng, Egons R. Podnieks

• Categories: Government publications

• Type: Book
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• Published: 1975
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• Publisher: Unknown

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Recovering iron from copper smelting furnace slags by carbon injection

• Author(s): Danton L. Paulson, Willard L. Hunter

• Type: Book
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• Published: 1977
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• Publisher: Unknown

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Producing Synthetic Rutile from Ilmenite by Pyrometallurgy

• Author(s): Danton L. Paulson, Donald P. Blasko, G. W. Elger, Henry E. Perlee, Maria I. De Rosa, Merle L. Bowser, P. W. Jeran, William C. McLaughlin, David H. Lawhead, Donald E. Kirby, Galen G. Waddell, John C. Edwards, Richard L. Stein, Robert B. Worthington, John G. McCaslin, M. C. Irani, S. C. Rhoads, Willard L. Hunter

• Categories: Chalcopyrite

• Type: Book
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• Published: 1976
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• Publisher: Unknown

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Index of Patents Issued from the United States Patent Office

• Author(s): United States. Patent Office

• Categories: Patents

• Type: Book
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• Published: 1973
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• Publisher: Unknown

pt. 1. List of patentees.--pt. 2. Index to subjects of inventions.