@misc{indiciae87bbc1d9f2bb,
  title = {Generalized geologic map of the southern Sierra Nevada, California, showing the location of samples for which K-Ar radiometric age data and Rb/Sr data have been determined},
  author = {Donald Clarence Ross},
  year = {1983},
  doi = {10.3133/ofr83231},
  url = {https://pubs.usgs.gov/publication/ofr83231},
  note = {Source identifier: ofr83231}
}