@misc{indiciaedf3df4fbc889,
  title = {Geologic map of the Yucaipa quadrangle, California},
  author = {T. W. Dibblee},
  year = {1968},
  doi = {10.3133/ofr6873},
  url = {https://pubs.usgs.gov/publication/ofr6873},
  note = {Source identifier: ofr6873}
}