1. Preliminary isostatic residual gravity map of the San Jose 1:100,000 scale quadrangle, California [microform] Yale Public content 1990. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey : [Books and Open-File Reports Section]. English. Public. California and San Jose Region.