Characteristic Lower Cretaceous megafossils from northern Alaska.

Bibliographic Details
Main Author:	Imlay, Ralph W. (Ralph Willard), 1908-1989
Corporate Author:	United States. Office of Naval Petroleum and Oil Shale Reserves
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1960.
Series:	Professional paper (Geological Survey (U.S.)) ; 335.
Subjects:	Paleontology > Alaska. Paleontology > Cretaceous.

by Imlay, Ralph W. (Ralph Willard), 1908-1989
Published 1960

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