Gray clay (Malpass clay) in the west Eugene Wetlands and the Willamette Valley is weathered and redeposited ash from Mount Mazama /

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Bibliographic Details
Author / Creator:	Baitis, Karin E., author.
Imprint:	Denver, CO : U.S. Department of the Interior, Bureau of Land Management, National Operations Center, 2015.
Description:	1 online resource (iv, 21 pages) : illustrations (some color), maps (some color).
Language:	English
Series:	Technical note ; 447 Technical note (United States. Bureau of Land Management) ; 447.
Subject:	Volcanic ash, tuff, etc. -- Oregon. Clay soils -- Oregon. Volcanic eruptions -- Oregon. Volcanic ash, tuff, etc. Volcanic eruptions. Clay soils. Oregon -- Mount Mazama.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/10351725

Hidden Bibliographic Details
Other authors / contributors:	Retallack, Gregory J., author. James, Michael E., author. United States. Bureau of Land Management, issuing body. National Operations Center (U.S.), publisher.
Notes:	Title from title screen (viewed on July 13, 2015). "June 2015"--cover. "BLM/OC/ST-15/006+7100"--page [2] of cover. Includes bibliographic references (pages 19-21).
GPO item no.:	0629-E-01 (online)
Govt.docs classification:	I 53.20:447

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