National Register #91001425: Black Diamond Mines in Contra Costa County, Califonia

Home San Francisco California Mediterranean Travel Downstairs Site Map

National Register of Historic Places in Contra Costa County, California

22 January 2008
Somersville Road
(Click Photo to Zoom)

22 January 2008
Black Diamond Mines Regional Park
(Click Photo to Zoom)

National Register #91001425
Black Diamond Mines
Somersville Road in Black Diamond Mines Regional Park
Southeast of Antioch

This Historic District of 20,780 acres is also California Historical Landmark 932.