Sarah Schwer
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National Geographic Adventure named the diving at Bonne Terre Mine in Missouri one of the top 10 adventures in America, and it’s easy to see why. Back in the day, the mine’s deepest reaches were not underwater. A massive pump system stemmed the flow of encroaching groundwater as the miners pushed ever deeper. But when this, the world’s largest lead mine, was all mined out, the pumps were turned off and water trickled in to fill the void. These days, mine owners Doug and Catherine Goergens…

Bonne Terre Mine in Bonne Terre Missouri. My aunt and uncles live in Bonne Terre.might have to visit this in a couple of weeks.