Tertiary volcanic stratigraphy in the Powderhorn-Black Canyon region, Gunnison and Montrose Counties, Colorado : nomenclature, lithology, and stratigraphic relations of a sequence of ash-flow tuffs, flows, and breccia /

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Bibliographic Details
Author / Creator:	Olson, J. C. (Jerry Chipman), 1917-2013, author.
Imprint:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1968. Washington : United States Government Printing Office
Description:	1 online resource (iv, 29 pages, 1 page of plates) : illustrations, maps (some color).
Language:	English
Series:	Geological Survey bulletin ; 1251-C Contributions to general geology Geological Survey bulletin ; 1251-C. Contributions to general geology.
Subject:	Geology -- Colorado. Geology, Stratigraphic -- Tertiary. Geology. Geology, Stratigraphic. Tertiary Geologic Period. Colorado.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/10783419

Hidden Bibliographic Details
Varying Form of Title:	Nomenclature, lithology, and stratigraphic relations of a sequence of ash-flow tuffs, flows, and breccia
Other authors / contributors:	Hansen, Wallace R., 1920- author. Hedlund, David Carl, 1924- author. Geological Survey (U.S.), issuing body.
Notes:	Title from title screen (viewed September 15, 2014). Includes bibliographical references (pages 28-29).
Other form:	Print version: Olson, Jerry Chipman Tertiary volcanic stratigraphy in the Powderhorn-Black Canyon region, Gunnison and Montrose Counties, Colorado
GPO item no.:	0620 (online)
Govt.docs classification:	I 19.3:1251-C

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