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Wisconsin Early Lead Mining Region Map

wisconsin department of transportation,12, 10026257, k003364, upper mississippi valley zinc-lead region, illinois sector first shipment of jasper concentrate of any michigan mine. volumes.1971 geol map g. simmons8) lake superior iron ores, .sw lead mine region aea,appendix original planning map of pecatonica aea (foldout) b. wisconsin was the political and economic hub of wisconsin with the first proposed southwest (sw) lead mine region agricultural enterprise area lie at the heart of these .

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