U.S. Geological Survey Bulletin
Douglas J. Nichols, Russell G. Tysdal, James Gregory Moore, Peter W. Lipman, Daniel J. Fornari, Frank Gardner Lesure, D. A. Clague, W. D. Menzie, Robert Ahlberg Loney, Frank Joseph Kleinhampl, Henry W. Roehler, Christopher J. Schenk, Dan L. Mosier, Glen R. Himmelberg, John H. Hanley, Gary R. Winkler, James G. Honey, John T. Craig
