Casadevall, T.J., and Krohn, M.D., 1995, Effects of the 1992 Crater Peak eruptions on airports and aviation operations in the United States and Canada, in Keith, T.E.C., The 1992 eruptions of Crater Peak vent, Mount Spurr Volcano, Alaska: U.S. Geological Survey Bulletin 2139, p. 205-220.
This publication is part of a larger work. Please see B 2139 for more information.