@misc{indiciae2a9f21a85d52,
  title = {Geologic map of the Las Positas, Greenville, and Verona faults, eastern Alameda County, California},
  author = {Darrell G. Herd},
  year = {1977},
  doi = {10.3133/ofr77689},
  url = {https://pubs.usgs.gov/publication/ofr77689},
  note = {Source identifier: ofr77689}
}