Ferns from the Chinle Formation (Upper Triassic) in the Fort Wingate area, New Mexico / by Sidney R. Ash.

Revision of five Late Triassic ferns and a review of previous paleobotanical investigations in the Triassic formations of the Southwest.

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Bibliographic Details
Main Author:	Ash, Sidney R., 1928-
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print Off, 1969.
Series:	Geological Survey professional paper ; 613-D. Geological Survey professional paper. Contributions to paleontology.
Subjects:	Ferns, Fossil. Paleobotany > Triassic. Paleobotany > New Mexico > Zuni Mountains. Chinle Formation.

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