@misc{indiciaee81c3b7d24cc, title = {Map showing recently active breaks along the Hayward fault zone and the southern part of the Calaveras fault zone, California}, author = {D. H. Radbruch-Hall}, year = {1974}, doi = {10.3133/i813}, url = {https://pubs.usgs.gov/publication/i813}, note = {Source identifier: i813} }