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Former South Dakota Gold Mine Now an Underground Research Lab


Former South Dakota Gold Mine Now an Underground Research Lab
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Once a hugely productive gold mine in the western state of South Dakota, it is now being used as an underground research lab where scientists are trying to learn more about the universe. VOA's Lesya Bakalets and Serge Sokolov went to the former mine to report on what is now a world class research lab that attracts scientists from across the globe.

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