Cascade-Olympic natural history
By: Daniel Mathews.
Contributors: Audubon Society of Portland.
Publisher: Raven Editions in conjunction with the Audubon Society of Portland
Place of publication: Portland, OR
Number of pages: 625
Subjects: Natural history  -- Cascade Range.; Natural history  -- Washington (State)  -- Olympic Mountains.; Natural history  -- Northwest, Pacific.
Notes: Errata slip inserted.

Includes index.

Bibliography: p. 597-610.