1. Geologic map of the San Andreas Fault Zone in the Cholame Valley and Cholame Hills quadrangles, San Luis Obispo and Monterey counties, California Yale Public content 1988. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. California, San Andreas Fault, San Luis Obispo County, and Monterey County.