U.S. Geological Survey Bulletin
Alan D. Howard, Gilpin R. Robinson (Jr.), Robert B. Jacobson, Sarah Beanland, Frank Gardner Lesure, Malcolm M. Clark, J. I. Marlowe, Stephen J. Colucci, N. K. Foley, Steven Emil Greco, Jack McGeehin, Sandra H. B. Clark, Elizabeth D. Cron, Carolyn E. Carr, John M. Harper, J. Steven Kite, Ron C. Linton, Andrew J. Miller, Douglas J. Parkinson
