@misc{indiciaeb149cedf3080,
  title = {Preliminary geologic map of the Topanga Quadrangle, Southern California},
  author = {R. F. Yerkes and R. H. Campbell},
  year = {1994},
  doi = {10.3133/ofr94266},
  url = {https://pubs.usgs.gov/publication/ofr94266},
  note = {Source identifier: ofr94266}
}