Upper Mississippi Valley Base-Metal District

From the dataset abstract

Companion volume to Information Circular 16 (third edition). Prepared for 24th Annual Meeting, Institute on Lake Superior Geology.

Source: Upper Mississippi Valley Base-Metal District

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Additional Information

Author Broughton, W.A.; Heyl, A.V.; Mudrey, M.G., Jr.; Ostrom, M.E.; Paull, R.K.; Paull, R.A.; West, W.S.;
Publication Year 1978
Series number FTGB01
Resource Type Report
Physical Description 39 p.
Notes [See also: Geology of the Upper Mississippi Valley Base-Metal District](https://wgnhs.wisc.edu/catalog/publication/000266)
Geographic Area Grant, Iowa, Lafayette
Tags Driftless Area, Metallic Minerals, Bedrock Geology, Rocks and Minerals
ISSN 0271-8502