Ammonites from the Buchia zones in northwestern California and southwestern Oregon /

Bibliographic Details
Main Authors: Imlay, Ralph W. (Ralph Willard), 1908-1989, Jones, David Lawrence, 1930- (Author)
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1970.
Series:Jurassic (Tithonian) and Cretaceous Buchia zones in northwestern California and southwestern Oregon.
Geological Survey professional paper ; 647-B.
Subjects:
Description
Physical Description:iv, 59 pages, 32 unnumbered pages : illustrations, maps. ; 29 cm.
Bibliography:Bibliography: pages 53-55.