1. Geology of the San Francisco north quadrangle, California, 1958 [cartographic material] Yale Public content 1958. 2012-09-05T13:09:52Z. 2013-03-18T20:22:22Z. Schlocker, Julius. Dept. of the Interior, U.S. Geological Survey. English. Public. California, San Francisco, Sausalito Region, Angel Island, San Francisco (Calif.), and Sausalito (Calif.).