The magnificent gateway
Subtitle: a layman's guide to the geology of the Columbia River Gorge
By: by John Eliot Allen.
Series: Scenic trips to the Northwest's geologic past ;; no. 1
Publisher: Timber Press
Published: 1979
Place of publication: Forest Grove, Or
Language: eng
Number of pages: 144
Subjects: Geology -- Columbia River Gorge (Or. and Wash.) -- Guidebooks.; Columbia River Gorge (Or. and Wash.) -- Guidebooks.
Notes: Bibliography: p. [134]-138.
Includes index.