The late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States /

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Bibliographic Details
Author / Creator:	Cobban, William A., 1916-2015. author.
Imprint:	Washington : U.S. Department of the Interior, Geological Survey, 1969.
Description:	1 online resource (iii, 29 pages, 5 pages of plates) : illustrations, map.
Language:	English
Series:	Geological Survey professional paper ; 619 Geological Survey professional paper ; 619.
Subject:	Ammonoidea -- West (U.S.) Paleontology -- Cretaceous. Paleontology -- West (U.S.) Ammonoidea. Cretaceous Geologic Period. Paleontology. United States, West.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/11059706

Hidden Bibliographic Details
Other authors / contributors:	Geological Survey (U.S.), issuing body.
Notes:	Title from title screen (viewed September 24, 2014). "Three chronological forms each of Scaphites leei and Scaphites hippocrepis occur in dimorphic pairs and provide a means of correlating thin units of strata." Includes bibliographical references (pages 24-27) and index.
Other form:	Print version: Cobban, William Aubrey, 1916-. Late Cretaceous ammonites Scaphites leei Reeside and Scaphites hippocrepis (DeKay) in the western interior of the United States
GPO item no.:	0624 (online)
Govt.docs classification:	I 19.16:619

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