South Dakota lab to be world’s deepest
Published 06/23/2009, INFORUM
Work on science center begins 4,850 feet below surface
SIOUX FALLS, S.D. – Far below the Black Hills of South Dakota, crews are building the world’s deepest underground science lab at a depth equivalent to more than six Empire State Buildings – a place uniquely suited to scientists’ quest for mysterious particles known as dark matter.
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