A contribution to the petrography of the John Day Basin.

Bibliographic Details
Main Author: Calkins, Frank Cathcart, 1878-
Format: Book
Language:English
Published: Berkley : The University press, 1902.
Series:University of California publications in geological sciences ; v. 3, no. 5.
Subjects:
Description
Physical Description:109-172 : illustrations ; 28 cm.