1. Geology and former shoreline features of the San Mateo 7.5-minute quadrangle, San Mateo County, California [cartographic material] Yale Public content 1981. 2002-06-01T04:00:00Z. 2023-02-22T04:01:20Z. Geological Survey (U.S.). The Survey. English. text. Public. California, San Mateo County, and San Mateo County (Calif.).