@misc{indiciaede53678178c2,
  title = {Preliminary geologic map of the Apple Valley quadrangle, California},
  author = {T. W. Dibblee},
  year = {1960},
  doi = {10.3133/mf232},
  url = {https://pubs.usgs.gov/publication/mf232},
  note = {Source identifier: mf232}
}