Proceedings of the Geological Society of America for ..
Geological Society of America
Dewitt Collier Nogues, Norman, Okla. William Nusbaum, Baltimore, Md. Ralph Orlansky, New York, N. Y. Thomas Pappas, St. Louis, Mo. Joseph H. Peck, Jr., Berkeley, Calif. Selmer L. Pederson, Laramie, Wyoming Harold L. Pietschker, White ...