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.
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.
Sections of Calaveras County, one of California’s original 27 counties founded in 1850, helped form Amador County in 1854 and Alpine County in 1864.