Deposits and effects of devastating lithic pyroclastic density current from Mount St. Helens on 18 May 1980
Subtitle: field guide for northeast radial
By: Richard B. Waitt, Jr. ; IAVCEI Working Group on Explosive Volcanism Workshop
Contributors: Geological Survey (U.S.); IAVCEI Working Group on Explosive Volcanism. Workshop
Series: U.S. Geological Survey open-file report -- 84-839
Publisher: U.S. Geological Survey
Published: 1984
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Saint Helens, Mount (Wash.) -- Eruption, 1980
Notes: Bibliography: p. 10

Microfiche. [Denver, Colo.? : U.S. Geological Survey, 1984?]. 1 microfiche ; 11 x 15 cm