Geology of the older precambrian rocks in the vicinity of Clear Creek and Zoroaster Canyon, Grand Canyon, Arizona.
Published: 1973
Language: eng
Number of pages: 78
Subjects: Geology -- Arizona -- Grand Canyon; Geology, Stratigraphic -- Precambrian
Notes: Typescript.

Thesis (M.A.)--Western Washington State College.

Bibliography: l. 73-75.