Leaching characteristics of ash from the May 18, 1980, eruption of Mount St. Helens Volcano, Washington
By: by David B. Smith, Robert A. Zielinski, and Howard E. Taylor ; United States Department of the Interior, Geological Survey
Contributors: Zielinski, Robert A; Taylor, Howard E. 1945-; Geological Survey (U.S.)
Series: Open-file report -- 82-987
Publisher: The Survey
Published: 1982
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Volcanic ash, tuff, etc. -- Washington (State) -- Saint Helens, Mount; Soils -- Washington (State) -- Saint Helens, Mount -- Leaching
Description: [Online] (https://pubs.usgs.gov/of/1982/0987/report.pdf)
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 1 microfiche ; 11 x 15 cm

Bibliography: leaves 9-11