Pennsylvanian system in the United States : a symposium.

Bibliographic Details
Corporate Author:	American Association of Petroleum Geologists
Other Authors:	Branson, Carl C. (Carl Colton), 1906-1975
Format:	Book
Language:	English
Published:	Tulsa, Okla., [publisher not identified] ; 1962.
Subjects:	Geology, Stratigraphic > Pennsylvanian. Geology > United States.

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