TY - RPRT TI - Faults that are historically active or that show evidence of geologically young surface displacements, San Francisco Bay region, a progress report, October 1970 AU - Robert D. Brown PY - 1970 DO - 10.3133/ofr7042 UR - https://pubs.usgs.gov/publication/ofr7042 ID - ofr7042 ER -