Size and shape measurements of ash particles from the May 18, 1980 eruption of Mount St. Helens /

Bibliographic Details
Main Author:	Zielinski, Robert A.
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Sawyer, Michael B.
Format:	Government Document Book
Language:	English
Published:	[Denver, Colo.] : [U.S. Geological Survey], 1980.
Series:	Open-file report (Geological Survey (U.S.)) ; 81-114.
Subjects:	Volcanic ash, tuff, etc. > Washington (State) > Saint Helens, Mount.