@misc{indiciae4b1508ce65a5,
  title = {Geologic framework of Mount Diablo, California},
  author = {Russell Graymer and Victoria Langenheim},
  year = {2021},
  doi = {10.1130/2021.1217(01)},
  url = {https://pubs.usgs.gov/publication/70223441},
  note = {Source identifier: 70223441}
}