Contributors: Basil Dimitriades, C. H. Schwartz, Clarence O. Babcock, Donald R. Johnson, Frederick W. Leighton, Harold A. Watson, J. M. Singer, K. Thirumalai, Kenneth J. Miller, L. B. Pankratz, Manuel Gomez, R. V. Lundquist, Ralph David Fleming, Ronald M. Van Noy, A. F. Baker, Arthur Alonzo Orning, D. D. Blue, John Ward Smith, Norman S. Petersen, Patricia M. Gussey, William Leonard Rice, Wilson Blake, Albert J. Beckert, Jerry J. Gray, Kathleen Hazen,
2 ebooks
Publisher: U.S. Department of Interior, Bureau of Mines
Published: 1970
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