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Contra Costa County State Historical Landmarks
#312 John Muir Home, Martinez
#356 Castro Home, El Cerrito
#455 Don Fernando Pacheco Adobe, Concord
#509 Joaquin Moraga Adobe, Orinda
#511 Vicente Martinez Adobe, Martinez
#512 Alvarado Adobe, San Pablo
#515 Don Salvio Pacheco Adobe, Concord
#722 Site of the Murder of Dr. John Marsh, Martinez
#731 "The Old Homestead", Crockett
#853 Captain Pedro Fages Trail, 1772, Danville
#905 Mount Diablo, near Concord
#932 Mount Diablo Coal Field, near Antioch
#951 Light Stations of California (Thematic) - East Brother Light Station, near Richmond
#1002-1 Site of Giant Powder Company (Point Pinole), Richmond
#1032 Richmond Shipyard District, Richmond