Petrography of pre-Tertiary rocks of the Blue Mountains, Umatilla County, northeast Oregon
By: by William Charles Trauba.
Published: 1975
Language: eng
Number of pages: 171
Subjects: Petrology -- Oregon -- Blue Mountains.
Notes: Some maps folded in pocket.

Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1975.

Includes bibliography.