Black Diamond Mines
91001425
EVENT
ARCHITECTURE/ENGINEERING
INFORMATION POTENTIAL
INDUSTRY
HISTORIC - NON-ABORIGINAL
ENGINEERING
EUROPEAN
SOCIAL HISTORY
1900-1924
1875-1899
1850-1874
1925-1949
DISTRICT
Somersville Rd. SE of Antioch
National Register of Historic Places Collection
pdf
6810448
10/2/1991
National Register of Historic Places
State: California
County: Contra Costa County
Antioch ; Somersville Rd. SE of Antioch
Historic
9c4e6c3f-4e75-49a1-9b5b-271f60a08d39