MyTopo.com Customized Topo Maps and Aerial Photos

Mine Placenames in Contra Costa County, California

Place Name Latitude Longitude USGS Map
Blake Brothers Quarry 37.9388889 -122.4066667 San Quentin
Clayton Quarry 37.9233333 -121.96 Clayton
Morris Sand Pit 38.0144444 -121.7880556 Antioch North
Mount Diablo Mine 37.9015908 -121.8785685 Clayton
Star Mine 37.944923 -121.8232892 Antioch South

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