Direct temperature measurements of deposits, Mount St. Helens, Washington, 1980-1981 /
Banks, Norman G.
Hoblitt, Richard P.
Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services,
1996.
Includes bibliographical references (p. 36-37).
Volcanic ash, tuff, etc.
Geology