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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 / by Allen V. Heyl and Elizabeth R. King ; prepared in cooperation with the Wisconsin Geological and Natural History Survey.

Record details

  • Physical Description: 1 online resource (16 pages, 1 page of plates) : illustrations, color map.
  • Publisher: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1966.
  • Distributor: Washington : United States Government Printing Office

Content descriptions

General Note: Title from title screen (viewed September 15, 2014).
Bibliography, etc. Note: Includes bibliographical references (pages 15-16).
Subject: Geology, Structural > Analysis.
Aeromagnetic prospecting > Analysis.
Geology > Mississippi River Valley.
Ore deposits > Mississippi River Valley.

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