Callovian (Jurassic) ammonites from the United States and Alaska: descriptions and illustrations of cephalopods of late Jurassic age 1 Western interior United States
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Bibliographic Details
Main Author: Imlay, Ralph W. (Author)
Format: Book
Language:English
Published: Washington, DC U.S. Government Print. Office
Series:Geological Survey professional paper 249-A
Physical Description:39 S., 24 Taf. Ill., Kt.

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