@misc{indiciae640532ceca52,
  title = {Geologic map of the Stonyford quadrangle, Glenn, Colusa, and Lake Counties, California},
  author = {R.D. Brown},
  year = {1964},
  doi = {10.3133/mf279},
  url = {https://pubs.usgs.gov/publication/mf279},
  note = {Source identifier: mf279}
}