@misc{indiciaecd3e6eca550e,
  title = {Geologic map of the Battle Creek Fault zone and adjacent parts of the northern Sacramento Valley, California},
  author = {E. J. Helley and D. S. Harwood and J. A. Barker and E.A. Griffen},
  year = {1981},
  doi = {10.3133/mf1298},
  url = {https://pubs.usgs.gov/publication/mf1298},
  note = {Source identifier: mf1298}
}