Donald Samuel Kingery / James W. Miller / Theodore R. Jolley / H. N. Dunning / John Nagy / Max Richard Geer / Vernon Frank Parry / Wilbur A. Haley / Wilbur I. Duvall / David E. Wolfson / George W. Birge / United States. Bureau of Mines / John W. Moore / Thomas Calvin Atchison / D. D. Dornenburg / James J. Dowd / Robert T. Johansen / Donald W. Mitchell / Bruce W. Naugle | 