A mile-deep former gold mine in South Dakota is the center of a scientific project in the search for ‘dark matter.’
The site is Lead, South Dakota reported the Bismarck Tribune.
Click here for Bismarck Tribune
A mile-deep former gold mine in South Dakota is the center of a scientific project in the search for ‘dark matter.’
The site is Lead, South Dakota reported the Bismarck Tribune.
Click here for Bismarck Tribune