California Historic Landmarks

All Sites Currently in the Database

Home: All Sites:

Site | Marker Plaque Name Location County
722   Site of the Murder of Dr. John Marsh Across from 4575 Pacheco Boulevard, Martinez Contra Costa
932 Mount Diablo Coal Field Black Diamond Mines Regional Preserve, South End of Sommersville Road, Antioch Contra Costa
951   East Brother Light Station Off Point San Pablo Contra Costa
1002-1   Site of Giant Powder Company (Point Pinole) Just South of 5555 Giant Highway, Richmond Contra Costa


There is something historical at this site (other than a marker plaque)
There is a bronze plaque from the State of California at this site
There is no plaque from the State of California, but there are one or more plaques from other organizations marking the site