Tom Still: New uses for old mines? It’s worth pursuing in Wisconsin 

The column below reflects the views of the author, and these opinions are neither endorsed nor supported by WisOpinion.com. Glance at the coat of arms for Wisconsin’s flag and you’ll see a miner holding a pick, a symbolic reminder of early 19th century lead and zinc mines clustered in the southwest corner of the state. As home-grown elementary school students can likely tell you, miners often live...