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Metallic Mineral Exploration in Wisconsin [1980-1987]
Annual summaries of metallic mineral exploration in Wisconsin for 1980-1987. Each summary includes statistical reviews of exploration activity, highlights of the year's activity, and reviews of legislative actions affecting exploration. -
Mineral and Water Resources of Wisconsin
Report prepared by the U.S. Geological Survey in collaboration with the Wisconsin Geological and Natural History Survey. Printed at the request of Committee on Interior and Insular Affairs, U.S. Senate.