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Images of the Old West in Keystone South Dakota USA #199070955
Description
Keystone is a town in the Black Hills region of Pennington County, South Dakota, United States, Keystone, South Dakota, is the closest city in the Black Hills to Mount Rushmore, which is located only three miles away. Rich in gold mining history, the quaint town of Keystone was once a boomtown after the discovery of placer gold two miles east of its current location. Placer gold is still thought to exist in abundance but the great depth of the deposits makes it difficult and impractical to reach.
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