Deposits of pre-1980 pyroclastic flows and lahars from Mount St. Helens volcano, Washington: lithology and stratigraphy of unconsolidated deposits, other than air-fall tephra, formed by eruptions during the past 40 000 years
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Bibliographic Details
Main Author: Crandell, Dwight R. (Author)
Format: Book
Language:English
Published: Washington United States Gov. Print. Off. 1987
Series:United States Geological Survey: Geological Survey professional paper 1444
Subjects:
Physical Description:VII, 91 S. Ill., Kt. 1 Kt.-Beil.

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