Islands & rapids
Subtitle: a geologic story of Hells Canyon
By: Tracy Vallier.
Publisher: Confluence Press
Published: 1998
Place of publication: Lewiston, Idaho
Language: eng
Number of pages: 151
Subjects: Geology -- Hells Canyon (Idaho and Or.); Hells Canyon (Idaho and Or.)
Other titles: Islands and rapids.; Geologic story of Hells Canyon.
Notes: Includes glossary.

Includes bibliographical references (p. 129-134).