Cement from the Calaveras Cement Co. helped build the San Francisco-Oakland Bay Bridge, McClellan and Travis Air Force bases, San Francisco Airport and several dams throughout region.
Local cement built the Bay Bridge
Did you know?
The California red-legged frog, made famous in Mark Twain’s 1865 "The Celebrated Jumping Frog Of Calaveras County" but feared absent from the county by 1969, was rediscovered in 2003.
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