The geology of the upper Mississippi Valley zinc-lead district / by Allen V. Heyl, Jr. [and four others]; with special sections by Arthur E. Flint.
- Physical Description: 1 online resource (x, 310 pages) : illustrations, maps + 24 plates.
- Publisher: Washington : United States Department of the Interior, Geological Survey, 1959.
Title from title screen (viewed September 26, 2014).
"Prepared in cooperation with the Wisconsin Geological and Natural History Survey, the Iowa Geological Survey, and the Illinois State Geological Survey."
Pages 300-305 missing.
|Bibliography, etc. Note:||
Includes bibliographical references (pages 296-3?) and index.
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|Subject:||Geology > Mississippi River Valley.
Zinc mines and mining > Mississippi River Valley.
Mississippi River Valley.
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