Albert Eugene Roberts / Betsy A. Weld / Flora K. Walker / Geological Survey (U.S.) / George Hamilton Davis / George J. Neuerburg / Harley J. Knebel / Jacob Eugene Gair / L. G. Davis / Nancy A. Wright / Robert Earl Wallace / Victor W. Adams / William H. Raymond / John F. Windolph / Kathleen T. Iseri / Leland D. Hauth / Leonard A. Wood / Paul Lincoln Williams / Robert Ugstad King / Theodore Botinelly / Gary W. Horton / James Jennings Norton / John R. Watterson | 