Mt. Saint Helens recovery operations, Cowlitz County, Washington, Columbia County, Oregon : final environmental impact statement.

Bibliographic Details
Corporate Author:	United States. Army. Corps of Engineers. Portland District
Format:	Government Document Book
Language:	English
Published:	[Portland, Or.?] : U.S. Army, Corps of Engineers, Portland District, 1980.
Subjects:	Cowlitz River Watershed (Wash.) Toutle River Watershed (Wash.) Volcanic ash, tuff, etc. > Washington (State) > Cowlitz County. Volcanic ash, tuff, etc. > Oregon > Columbia County. Flood control > Washington (State) > Cowlitz River Watershed. Flood control > Washington (State) > Toutle River Watershed.

Evans: US Documents (Annex 5th floor)