The geology of the upper Mississippi Valley zinc-lead distict
By: by Allen V. Heyl, Jr. [and others]  With special sections by Arthur E. Flint. Prepared in cooperation with the Wisconsin Geological and Natural History Survey, the Iowa Geological Survey, and the Illinois State Geological Survey.
Publisher: U.S. Govt. Print. Off.
Published: 1959
Place of publication: Washington
Language: eng
Number of pages: 310
Subjects: Geology -- Mississippi River Valley.; Zinc mines and mining -- Mississippi River Valley.
Other titles: Upper Mississippi Valley zinc-lead district.
Notes: Bibliography: p. 296-303.