@misc{indiciae1e1d8b1b7ba3,
  title = {Geologic map of the Alpine Butte quadrangle, California},
  author = {T. W. Dibblee},
  year = {1959},
  doi = {10.3133/mf222},
  url = {https://pubs.usgs.gov/publication/mf222},
  note = {Source identifier: mf222}
}