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Upper Pleistocene pyroclastic-flow deposits and lahars south of Mount St. Helens volcano, Washington /

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A study of a valley-fill assemblage of pyroclastic-flow deposits, lahars, and alluvium of late Pleistocene age south of Mount St. Helens volcano.

Bibliographic Details
Main Author: Hyde, Jack H.
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1975.
Series:Geology of Mount St. Helens Volcano, Washington.
Geological Survey bulletin ; 1383-B.
Subjects:
Volcanic ash, tuff, etc. > Washington (State) > Saint Helens, Mount.
Lahars > Washington (State) > Saint Helens, Mount.
Geology, Stratigraphic > Pleistocene.
Geology > Washington (State) > Saint Helens, Mount.
Description
Summary:A study of a valley-fill assemblage of pyroclastic-flow deposits, lahars, and alluvium of late Pleistocene age south of Mount St. Helens volcano.
Physical Description:iv, 20 pages : illustrations ; 23 cm.
Bibliography:Bibliography: page 20.