Early Jurassic ammonites from Alaska /

Bibliographic Details
Main Author:	Imlay, Ralph W. (Ralph Willard), 1908-1989
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. G.P.O. : 1981.
Series:	Geological Survey professional paper ; 1148.
Subjects:	Ammonoidea > Alaska. Paleontology > Jurassic. Paleontology > Alaska.

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

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