‘Exploring down under in the driftless’

Today the Dubuque Telegraph Herald ran reporter Michelle London’s interview with me on Minnesota Underground: A Guide to Caves & Karst, Mines & Tunnels and Wisconsin Underground: A Guide to Caves, Mines and Tunnels In and Around the Badger State. A sidebar features six sites in Iowa, Minnesota, and Wisconsin–all within easy day-trip range of Dubuque.

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