@misc{indiciae2a3e7aa00dc7,
  title = {Generalized geologic map of the basement rocks of the southern Sierra Nevada, California},
  author = {D. C. Ross},
  year = {1987},
  doi = {10.3133/ofr87276},
  url = {https://pubs.usgs.gov/publication/ofr87276},
  note = {Source identifier: ofr87276}
}