Paleozoic origin of the cycads /

Paleozoic origin of the cycads /

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Bibliographic Details
Main Author: Mamay, Sergius H., 1920- (Author)
Format: Government Document eBook
Language:English
Published: Washington : United States Department of the Interior, Geological Survey, 1976.
Series:Geological Survey professional paper ; 934.
Subjects:
From 230 to 570 million years ago
Cycads, Fossil.
Paleobotany > Paleozoic.
Paleobotany > West (U.S.)
Paleobotany.
Paleozoic Geologic Period.
Southwest, New.
Online Access:https://purl.fdlp.gov/GPO/gpo89675

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https://purl.fdlp.gov/GPO/gpo89675

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Call Number: I 19.16:934
 
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I 19.16:934 Available