Mount St. Helens recovery
Contributors: United States. Army. Corps of Engineers. Portland District
Publisher: US Army Corps of Engineers, Portland District
Published: 1990
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 11
Subjects: Saint Helens, Mount (Wash.); Saint Helens, Mount (Wash.) -- Eruption, 1980
Notes: Shipping list no.: 90-358-P