@misc{indiciae916a58492539,
  title = {Map showing outcrops of thick, dominantly argillaceous sedimentary and metasedimentary rocks, Basin and Range Province, Arizona},
  author = {W. D. Johnson},
  year = {1984},
  doi = {10.3133/wri834114e},
  url = {https://pubs.usgs.gov/publication/wri834114E},
  note = {Source identifier: wri834114E}
}