@misc{indiciae4f56ba9e1a22,
  title = {Map showing outcrops of thick, dominantly argillaceous sedimentary and metasedimentary rocks, Basin and Range Province, Southern California},
  author = {W. D. Johnson},
  year = {1984},
  doi = {10.3133/wri834116e},
  url = {https://pubs.usgs.gov/publication/wri834116E},
  note = {Source identifier: wri834116E}
}