Exploratory drilling program of the U. S. Geological Survey for evidences of zinc-lead mineralization in Iowa and Wisconsin, 1950-51

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Bibliographic Details
Author / Creator:	Agnew, Allen F., 1918-2012, author.
Imprint:	Washington, D.C. : United States Department of the Interior, Geological Survey, 1953.
Description:	1 online resource (37 pages) : illustrations, maps.
Language:	English
Series:	Geological Survey circular ; 231 Geological Survey circular ; 231.
Subject:	Lead ores -- Iowa. Lead ores -- Wisconsin. Zinc ores -- Iowa. Zinc ores -- Wisconsin. Lead mines and mining. Zinc mines and mining. Iowa. Wisconsin.
Format:	E-Resource U.S. Federal Government Document Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/11713156

Hidden Bibliographic Details
Other authors / contributors:	Flint, Arthur E., 1913- author. Allingham, John D., author. Geological Survey (U.S.), issuing body. Wisconsin Geological and Natural History Survey.
Notes:	"Prepared in cooperation with the Wisconsin Geological and Natural History Survey." Includes bibliographical references (page 11). Title from title screen (viewed July 22, 2015).
Other form:	Print version: Agnew, Allen F., 1918-2012. Exploratory drilling program of the U. S. Geological Survey for evidences of zinc-lead mineralization in Iowa and Wisconsin, 1950-51
GPO item no.:	0620-A (online)
Govt.docs classification:	I 19.4/2:231

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