1. Approximate location of fault traces and historic surface ruptures within the Hayward Fault zone between San Pablo and Warm Springs, California / [cartographic material] Yale Public content 1967. 2012-10-09T15:17:36Z. 2013-03-18T22:22:33Z. Radbruch-Hall, Dorothy H., 1920-. Dept. of the Interior, U.S. Geological Survey. English. Public. California, San Francisco Bay Area, Hayward Fault (Calif.), and San Francisco Bay Area (Calif.).