@misc{indiciaef3f656ad4b30,
  title = {Maps showing aeromagnetic anomalies, faults, earthquake epicenters, and igneous rocks in the southern San Francisco Bay region, California},
  author = {E. E. Brabb and W.F. Hann},
  year = {1981},
  doi = {10.3133/gp932},
  url = {https://pubs.usgs.gov/publication/gp932},
  note = {Source identifier: gp932}
}