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

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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:
Ammonoidea > California.
Ammonoidea > Oregon.
Paleontology > Jurassic.
Paleontology > Cretaceous.
Paleontology > California.
Paleontology > Oregon.
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