Cretaceous plants from southwestern Colorado /

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Bibliographic Details
Author / Creator:	Brown, Roland W. (Roland Wilbur), 1893-1961, author.
Imprint:	Washington : United States Department of the Interior, Geological Survey, 1950.
Description:	1 online resource (27 unnumbered pages) : illustrations.
Language:	English
Series:	Geological Survey professional paper ; 221-D Shorter contributions to general geology Geological Survey professional paper ; 221-D. Shorter contributions to general geology.
Subject:	Paleobotany -- Cretaceous. Paleobotany -- Colorado. Cretaceous Geologic Period. Paleobotany. Colorado.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/11547023

Hidden Bibliographic Details
Other authors / contributors:	Geological Survey (U.S.), issuing body.
Notes:	Includes plates. Title from title screen (viewed September 29, 2014). "A study of fossil plants useful in determining the probable boundary between the Lower and Upper Cretaceous deposits." Includes bibliographical references (pages 52-53) and index.
Other form:	Print version: Brown, Roland W. (Roland Wilbur), 1893-1961. Cretaceous plants from southwestern Colorado
GPO item no.:	0624 (online)
Govt.docs classification:	I 19.16:221-D

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