@misc{indiciae49e0233c04d4,
  title = {Generalized geologic map of the southern Sierra Nevada, California, showing the location of basement samples for which whole rock 18O has been determined},
  author = {Donald Clarence Ross},
  year = {1983},
  doi = {10.3133/ofr83904},
  url = {https://pubs.usgs.gov/publication/ofr83904},
  note = {Source identifier: ofr83904}
}