Separated from: Washington environmental atlas / prepared by Environmental Resources Section, Seattle District, U.S. Army Corps of Engineers, with assistance of the Institute for Environmental Studies, University of Washington. Seattle, Wash. : The Section, 1975.
Relief shown by shading and spot heights.
Accompanied by: Some philosophical thoughts on Washington's wildlife / by Eugene S. Dziedzic. Wilderness in Washington state / by Polly Dyer. Washington's non game program / by Carroll A. Rieck. (1 sheet ; 57 x 89 cm.).
Includes environmental use index (1 sheet ; 57 x 89 cm.).