The geology of the upper Mississippi Valley zinc-lead district /

Bibliographic Details
Main Authors:	Heyl, Allen V. (Allen Van), 1918-2008 (Author), Flint, Arthur E., 1913- (Author)
Corporate Authors:	Wisconsin Geological and Natural History Survey, Iowa Geological Survey, Illinois State Geological Survey
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Department of the Interior, Geological Survey, 1959.
Series:	Geological Survey professional paper ; 309.
Subjects:	Geology > Mississippi River Valley. Zinc mines and mining > Mississippi River Valley. Geology. Zinc mines and mining. Mississippi River Valley.
Online Access:	https://purl.fdlp.gov/GPO/gpo85401

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