Footprints in the ash the explosive story of Mount St. Helens

書誌詳細
第一著者:	Morris, John D.
その他の著者:	Austin, Steven A.
フォーマット:	図書
言語:	English
出版事項:	Green Forest, AR Master Books c2003.
主題:	Volcanic ash, tuff, etc. > Washington (State) > Saint Helens, Mount. Geology, Stratigraphic. Geology > Washington (State) > Saint Helens, Mount. Geology > Washington (State) > Spirit Lake. Saint Helens, Mount (Wash.) > Eruption, 1980.