Effects of Mount St. Helens ash on rangeland environments in eastern Washington
By: by Randall Ray Hayman.
Published: 1987
Language: eng
Number of pages: 70
Subjects: Volcanic ash, tuff, etc. -- Environmental aspects -- Washington (State); Saint Helens, Mount (Wash.) -- Eruption, 1980 -- Environmental aspects.
Notes: Typescript.

Thesis (M.S.)--Washington State University, 1987.

Bibliography: leaves 48-52.

WSU:"Department of Forestry and Range Management."