Allen, John Eliot, 1908- The magnificent gateway : : a layman's guide to the geology of the Columbia River Gorge / [electronic resource] / by John Eliot Allen.. — Forest Grove, Or. : : Timber Press,, 1979.. — xii, 144 p. : : ill. ; 22 cm. - Scenic trips to the Northwest's geologic past ; no. 1.

Includes index.

Bibliography: p. [134]-138.



ISBN: 0917304101 9780917304101

LCCN: 79002714

Subjects--Topical Terms:
Geology--Columbia River Gorge (Or. and Wash.)--Guidebooks.

Subjects--Geographic Terms:
Columbia River Gorge (Or. and Wash.)--Guidebooks.

LC Class. No.: QE156.C58 / A38

Dewey Class. No.: 557.97