Fossil plants from the Colgate member of the Fox Hills sandstone and adjacent strata /

Bibliographic Details
Main Author: Brown, Roland W. (Roland Wilbur), 1893-1961
Format: Government Document Book
Language:English
Published: Washington : Govt. Print. Off, 1939.
Series:Professional paper (Geological Survey (U.S.)) ; 189-I.
Shorter contributions to general geology ; 1937.
Subjects:
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