The Prehistory of the Sonora Region: Archaeological and Geoarchaeological Investigations for Stage I of the East Sonora Bypass Project, State Route 108, tuolumne County, California; Vol. Ia: Synthesis
Submitted by Julia Costello on Sat, 12/08/2007 - 21:32.
Central Sierra Environmental Services Branch, California Department of Transportation, District 10, Stockton, Ca, Far Western Anthropological Research Group, Inc., Davis, Ca. (2006)
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.