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Cretaceous plants from southwestern Colorado.

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Bibliographic Details
Main Author: Brown, Roland W. (Roland Wilbur), 1893-1961
Format: Government Document Book
Language:English
Published: Washington : U.S. Govt. Print. Off, 1950.
Series:Shorter contributions to general geology.
Subjects:
Paleobotany > Cretaceous.
Paleobotany > Colorado.
Description
Physical Description:45-66 pages : including 12 plates. ; 29 cm.
Bibliography:Includes bibliographies and index.