Surface-subsurface geology of the middle to upper Eocene sedimentary and volcanic rock units, western Columbia County, northwest Oregon
By: by Thomas Anthony Berkman.
Published: 1990
Language: eng
Number of pages: 413
Subjects: Volcanic ash, tuff, etc. -- Oregon -- Columbia County.; Geology, Stratigraphic -- Eocene.; Formations (Geology) -- Oregon -- Columbia County.; Geology -- Oregon -- Columbia County.
Notes: Includes folded plates in pocket.

Includes mounted photographs.

Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1990.

Includes bibliographical references (leaves 377-396).