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: U.S. G.P.O.; For sale by the Books and Open-File Reports Section, U.S. Geological Survey
Published: 1990
Place of publication: Washington, D.C; Denver, CO
Language: eng
Number of pages: 53
Subjects: Volcanic ash, tuff, etc. -- Washington (State) -- Saint Helens, Mount, Region -- Guidebooks.; Saint Helens, Mount, Region (Wash.) -- Guidebooks.
Notes: Includes bibliographical references (p. 52-53).