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

書目詳細資料
主要作者:	Morris, John D.
其他作者:	Austin, Steven A.
格式:	圖書
語言:	English
出版:	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.