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Author Heyl, Allen V. (Allen Van), 1918-2008,
Title 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.
Imprint [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1966.
Washington : United States Government Printing Office.

LOCATION CALL # STATUS MESSAGE
 ONLINE GOVERNMENT PUBLICATION  I 19.3:1242-A    ONLINE  
Author Heyl, Allen V. (Allen Van), 1918-2008,
Series Geological Survey bulletin ; 1242-A.
Contributions to economic geology.
Geological Survey bulletin ; 1242-A.
Contributions to economic geology.
Subject Geology, Structural -- Analysis.
Aeromagnetic prospecting -- Analysis.
Geology -- Mississippi River Valley.
Ore deposits -- Mississippi River Valley.
Alt Name King, Elizabeth R.,
Geological Survey (U.S.),
Wisconsin Geological and Natural History Survey,
Add Title Aeromagnetic-tectonic analysis, Upper Mississippi Valley
Magnetic study indicating major geologic structures in the basement rock which controlled in part the locations of overlying ore deposits
LOCATION CALL # STATUS MESSAGE
 ONLINE GOVERNMENT PUBLICATION  I 19.3:1242-A    ONLINE  
Author Heyl, Allen V. (Allen Van), 1918-2008,
Series Geological Survey bulletin ; 1242-A.
Contributions to economic geology.
Geological Survey bulletin ; 1242-A.
Contributions to economic geology.
Subject Geology, Structural -- Analysis.
Aeromagnetic prospecting -- Analysis.
Geology -- Mississippi River Valley.
Ore deposits -- Mississippi River Valley.
Alt Name King, Elizabeth R.,
Geological Survey (U.S.),
Wisconsin Geological and Natural History Survey,
Add Title Aeromagnetic-tectonic analysis, Upper Mississippi Valley
Magnetic study indicating major geologic structures in the basement rock which controlled in part the locations of overlying ore deposits
Description 1 online resource (16 pages, 1 page of plates) : illustrations, color map.
polychrome rdacc
Note Title from title screen (viewed September 15, 2014).
Bibliography Note Includes bibliographical references (pages 15-16).
OCLC # 891382554
Additional Format Print version: Heyl, Allen V. (Allen Van), 1918-2008. Aeromagnetic and tectonic analysis of the Upper Mississippi Valley zinc-lead district (OCoLC)5210528.


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