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Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district a magnetic study indicating major geologic structures in the basement rock which controlled in part the locations of overlying ore deposits /

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Bibliographic Details
Main Authors: Heyl, Allen V. (Allen Van), 1918-2008 (Author), King, Elizabeth R. (Author)
Format: Government Document eBook
Language:English
Published: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1966.
Series:Geological Survey bulletin ; 1242-A.
Contributions to economic geology.
Physical Description:
1 online resource (16 pages, 1 page of plates) : illustrations, color map.
Subjects:
Online Access:http://purl.fdlp.gov/GPO/gpo67606
Description
Item Description:Title from title screen (viewed September 15, 2014).
CRDP Project record.
Physical Description:
1 online resource (16 pages, 1 page of plates) : illustrations, color map.
Bibliography:Includes bibliographical references (pages 15-16).