contribution to the petrography of the John Day Basin
By: Frank C. Calkins.
Series: University of California publications. Bulletin of the Department of Geology -- v. 3, no. 5; University of California publications in geological sciences -- v. 3, no. 5.
Publisher: Johnson Reprint
Published: 1966
Place of publication: New York
Language: eng
Number of pages: 172
Subjects: Petrology -- Oregon.; Geology -- Oregon.
Notes: Reprint of the 1902 ed. published by University of California Press, Berkeley.