Road trip to southwest Wisconsin: Land of the gray goldMar 10, 2016 . Scratch the surface in southwest Wisconsin, and you'll find treasure. In the 1820s, it took the form of lead ore that early miners, to their.early lead mining in wisconsin,The lead lands of Wisconsin - tribunedigital-chicagotribuneJul 31, 2005 . In the 1820s, it took the form of lead ore that early miners, to their . district, and stone cottages built by Cornish miners are part of the Wisconsin.
early lead mining in wisconsin