American Cretaceous ferns of the genus Tempskya /

Bibliographic Details
Main Authors:	Read, C. B. (Author), Brown, Roland W. (Roland Wilbur), 1893-1961 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Department of the Interior, Geological Survey, 1937.
Series:	Professional paper (Geological Survey (U.S.)) ; no. 186-F. Shorter contributions to general geology ; 1936.
Subjects:	Paleobotany > Cretaceous. Ferns, Fossil > United States. Cretaceous Geologic Period. Paleobotany. From 65 to 140 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo80337

Description
Item Description:	Title from title screen (viewed September 22, 2014).
Physical Description:	1 online resource (46 unnumbered pages) : illustrations, map.
Bibliography:	Includes bibliographical references.