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Albert Daniel McMahon, F. R. Lee, Ferdinand F. Netzeband, Fred P. Giese, Harold Monroe Thorne, J. Wade Watkins, Nils A. Eilertsen, Richard D. Miller, Robert T. Davis, Sidney Katell, Walter Kawa, C. C. Anderson, Geraldine P. Norrell, Kenneth Edison Stanfield, Lawrence E. Shirley, R. L. Evans, R. Ward Stahl, Raymond W. Hiteshue, W. C. Morel, G. U. Dinneen, James L. Vallely, W. I. R. Murphy· 1964
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A. T. Harris, Charles E. Whieldon, Gary A. Kingston, John C. Hartley, Kenneth H. Johnston, Melvin P. Silverman, Norman E. Hanna, Richard D. Miller, Robert E. Barieau, United States. Bureau of Mines, Wallace W. Key, Warren E. Morrison, C. D. McMaster, C. I. Pierce, Geraldine P. Norrell, P. A. Richardson, W. T. Millar· 1964
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