@misc{indiciaeff3062d1c78e,
  title = {Stratigraphy of outcropping Permian rocks in parts of northeastern Arizona and adjacent areas},
  author = {Charles Brian Read and Alexander A. Wanek},
  year = {1961},
  doi = {10.3133/pp374h},
  url = {https://pubs.usgs.gov/publication/pp374H},
  note = {Source identifier: pp374H}
}