Fresh-water mollusks of Cretaceous Age from Montana and Wyoming /

Bibliographic Details
Main Author:	Yen, Teng-Chien
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1951.
Series:	Geological Survey professional paper ; 233-A. Shorter contributions to general geology ; 1950-1951.
Subjects:	Mollusks > Montana. Mollusks > Wyoming. Gastropoda, Fossil. Paleontology > Cretaceous. Paleontology > Wyoming > Lincoln County. Cretaceous Geologic Period. Mollusks. Paleontology. Montana. Wyoming. Wyoming > Lincoln County. From 65 to 140 million years ago

by Yen, Teng-Chien
Published 1951

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