@misc{indiciae3e111cb0719f,
  title = {Preliminary geologic map of the Benicia quadrangle, Contra Costa and Solano Counties, California},
  author = {T. W. Dibblee},
  year = {1980},
  doi = {10.3133/ofr80400},
  url = {https://pubs.usgs.gov/publication/ofr80400},
  note = {Source identifier: ofr80400}
}