@misc{indiciaeb6cfcd4b85db,
  title = {Geologic map of the Lodoga quadrangle, Glenn and Colusa Counties, California},
  author = {R.D. Brown and Ernest Isaak Rich},
  year = {1961},
  doi = {10.3133/om210},
  url = {https://pubs.usgs.gov/publication/om210},
  note = {Source identifier: om210}
}