1. Complete Bouguer gravity anomaly and isostatic residual gravity maps of the Bakersfield 1⁰ x 2⁰ quadrangle, California [microform] Yale Public content 1991. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Books and Open-File Reports Section, distributor. English. Public. California and Bakersfield region.