Columbia River Gorge, its geologic history interpreted from the Columbia River highway
By: by Ira A. Williams.
Edition: 2nd ed.
Series: The Mineral resources of Oregon -- v. 2, no. 3.; Mineral resources of Oregon -- v. 2, no. 3.
Publisher: Oregon Bureau of Mines and Geology
Published: 1923
Place of publication: Portland, Or
Language: eng
Number of pages: 130
Subjects: Geology -- Columbia River Gorge (Or. and Wash.)
Notes: "Revised reprint."

Map in pocket.