Geologic field trips in northern Oregon and southern Washington
By: [by] John D. Beaulieu.
Contributors: Geological Society of America. Cordilleran Section.
Series: State of Oregon. Dept. of Geology and Mineral Industries. Bulletin 77
Publisher: Dept. of Geology and Mineral Industries, State of Oregon
Published: 1973
Place of publication: Portland
Subjects: Geology -- Oregon -- Guidebooks.; Geology -- Washington (State) -- Guidebooks.