1. Geologic map of the San Andreas Fault in the Parkfield 7.5-minute quadrangle, Monterey and Fresno counties, California Yale Public content 1990. 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, and Parkfield Region.