Mine Open House
Black Diamond Mines Regional Reserve 5175 Somersville Road, Antioch, CA, United StatesTake a free self-guided mine tour along the recently extended underground tour route, for ages 7 and up only. All ages are invited to enjoy craft activities and the underground Greathouse Visitor Center. $5/vehicle parking (cash only). Carpooling encouraged. When: June 10, 2018 Time: 12:00 p.m - 4:30 p.m Where:Β Black Diamond Mines Regional Preserve Make […]