'This region of South Dakota & Wyoming has the largest gold mine in the U.S.'
Black Hills
U.S. GEOGRAPHY: This region of South Dakota & Wyoming has the largest gold mine in the U.S.
This region of South Dakota & Wyoming has the largest gold mine in the U.S.
This region of South Dakota & Wyoming has the largest gold mine in the U.S.
U.S. GEOGRAPHY
Black Hills
U.S. GEOGRAPHY