Geology of the upper Mississippi Valley base-metal district
By: by A. V. Heyl, W. A. Broughton and the Wis. Geological & Natural History Survey and W.S. West.
Contributors: Broughton, W. A. 1914-; West, Walter S. 1912-; Wisconsin Geological and Natural History Survey.
Edition: Rev.
Series: Information circular -- no. 16.; Information circular (Wisconsin Geological and Natural History Survey) -- no. 16.
Publisher: Available from University of Wisconsin Geological and Natural History Survey
Published: 1978
Place of publication: Madison, Wis
Language: eng
Number of pages: 45
Subjects: Geology -- Mississippi River Valley.; Geology -- Wisconsin.
Other titles: Upper Mississippi Valley base-metal district.
Notes: Bibliography: p. 39-45.