@misc{indiciae7f42f11078a6, title = {Map showing faults with Quaternary displacement, northeastern San Francisco Bay region, California}, author = {Edward J. Helley and Darrell G. Herd}, year = {1977}, doi = {10.3133/mf881}, url = {https://pubs.usgs.gov/publication/mf881}, note = {Source identifier: mf881} }