Distance running Event - Historic SomersvilleJanuary 05 - February 23, 2020 Black Diamond Mines Regional Preserve 5175 Somersville Road Antioch, CA 94509 View Map Organized by East Bay Regional Park District
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Black Diamond Mines Regional Preserve5175 Somersville Road Antioch, CA 94509
BLACK DIAMOND ? Find local history in these hills, get to know miners' tools, or go on a short walk to learn about life in a 19th-century mining town. Topics change weekly. Parking fee may apply: $5.
Historic Somersville #27627