Middle Jurassic (Bajocian) ammonites from eastern Oregon /

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Bibliographic Details
Author / Creator:	Imlay, Ralph W. (Ralph Willard), 1908-1989, author.
Imprint:	Washington : United States Department of the Interior, Geological Survey, 1973.
Description:	1 online resource (iv, 100 pages, 47 unnumbered pages of plates) : illustrations, maps + 1 plate.
Language:	English
Series:	Geological Survey professional paper ; 756 Geological Survey professional paper ; 756.
Subject:	Ammonoidea -- Oregon. Paleontology -- Jurassic. Paleontology -- Oregon. Ammonoidea. Jurassic Geologic Period. Paleontology. Oregon.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/11556177

Hidden Bibliographic Details
Other authors / contributors:	Geological Survey (U.S.), issuing body.
Notes:	Title from title screen (viewed September 30, 2014). "Bajocian ammonites of eastern Oregon greatly resemble those of Alaska and Europe, indicate marine connections with Europe, and permit accurate zonal dating in the Pacific Coast region." Includes bibliographical references (pages 92-95) and index.
Other form:	Print version: Imlay, Ralph W. (Ralph Willard), 1908-1989. Middle Jurassic (Bajocian) ammonites from eastern Oregon
GPO item no.:	0624 (online)
Govt.docs classification:	I 19.16:756

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