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

Detalles Bibliográficos
Autor Principal:	Morris, John D.
Outros autores:	Austin, Steven A.
Formato:	Libro
Idioma:	English
Publicado:	Green Forest, AR Master Books c2003.
Subjects:	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.