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Rocks & Minerals
Choose from the following to find a site:
Mineral deposits and rock beds can be found throughout the forest and prairie, featuring quartz, copper, silver, lead, mica, feldspar and many other naturally occurring geological finds. People come to the Black Hills for exploration and mineral claims on gold, uranium, pegmatite minerals, and limestone. Gold Panning & Rock Hounding in the Black Hills National Forest (.pdf) Working a Mining Claim (.pdf)
Also check out the Geological Resources page.