Road guide to volcanic deposits of Mount St. Helens and vicinity, Washington
By: by Michael P. Doukas.
Series: U.S. Geological Survey bulletin -- 1859
Publisher: Dept. of the Interior
Published: 1990
Place of publication: Washington, DC
Language: eng
Number of pages: 53
Subjects: Volcanic ash, tuff, etc -- Washington (State) -- Saint Helens, Mount, Region -- Guide-books; Saint Helens, Mount, Region (Wash.) -- Description and travel -- Guide-books
Notes:  89600384  t_oclc

Bibliogr.

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