Upper Paleozoic floral zones and floral provinces of the United States /

Bibliographic Details
Main Author:	Read, Charles Brian, 1907-
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1964.
Series:	Professional paper (Geological Survey (U.S.)) ; 454-K. Shorter contributions to general geology.
Subjects:	Paleobotany > Paleozoic. Leaves, Fossil. Paleobotany > United States.

Evans: US Documents (Annex 5th floor)