Maps showing posteruption erosion, deposition, and dome growth in Mount St. Helens Crater, Washington, determined by a geographic information system / U.S. Department of the Interior, U.S. Geological Survey ; by Hugh H. Mills and Gordon N. Keating
Series Titles:
Miscellaneous investigations series map ; I-2297 Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2297.