Bruce L. Reed / Edward Malcolm MacKevett / Geological Survey (U.S.) / Helen Laura Foster / Jack Edward Harrison / John David Wells / K. Y. Lee / Ralph Smyser Cannon / Sam Boggs / William Wallace Patton / Arthur P. Pierce / David J. Grimes / Ewart Merlin Baldwin / George Plafker / James E. Elliott / Roger L. Miller / Sandra H. B. Clark |