New and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States /

Bibliographic Details
Main Author:	Cobban, William A., 1916-2015
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1971.
Series:	Geological Survey professional paper ; 699.
Subjects:	Ammonoidea > West (U.S.) Paleontology > Cretaceous. Paleontology > West (U.S.)

Evans: US Documents (Annex 5th floor)