@misc{indiciae0b7890fbd805,
  title = {Preliminary geologic map of the Simi quadrangle, southern California},
  author = {R. F. Yerkes and Russell H. Campbell},
  year = {1995},
  doi = {10.3133/ofr95828},
  url = {https://pubs.usgs.gov/publication/ofr95828},
  note = {Source identifier: ofr95828}
}