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Geology of Wisconsin - Outcrop Descriptions
These descriptions illustrate various geologic formations, features, and characteristics. Individual descriptions are one to ten pages long, and include a map with specific location, a description of geologic features, and a discussion of the geologic significance. -
Upper Mississippi Valley Base-Metal District
Companion volume to Information Circular 16 (third edition). Prepared for 24th Annual Meeting, Institute on Lake Superior Geology.