The geology of the Twin Sisters dunite in the Northern Cascades, Washington
By: by Donal M. Ragan.
Published: 1961
Language: eng
Number of pages: 88
Subjects: Geology -- Washington (State) -- Twin Sisters Mountain.; Dunite -- Washington (State) -- Twin Sisters Mountain.
Notes: Typescript (photocopy)

Thesis (Ph.D) -- University of Washington, 1961.

Bibliography: leaves 80-87.