TY  - BOOK
AU  - Hyde,Jack H.
ED  - United States
TI  - Upper Pleistocene pyroclastic-flow deposits and lahars south of Mount St. Helens volcano, Washington
U1  - 557.308 
PY  - 1975///.
CY  - Washington: 
PB  - United States Government Printing Office, 
KW  - Volcanic ash, tuff, etc
KW  - Washington (United States)
KW  - Saint Helens, Mount
KW  - Lahars
KW  - Geology, Stratigraphic
KW  - Pleistocene
KW  - Geology
N1  - Includes bibliographical references (p. B20)
N2  - A study of a valley-sill assemblage of pyroclastic-flow deposits, lahars, and alluvium of late Pleistocene age south of Mount St. Helens volcano
ER  -