@misc{indiciaed2a4b2504fd2,
  title = {Stratigraphy of Triassic and associated formations in part of the Colorado Plateau region},
  author = {John Harris Stewart and Geogre A. Williams and Howard F. Albee and Omer B. Raup and Robert Allen Cadigan},
  year = {1956},
  doi = {10.3133/tei397},
  url = {https://pubs.usgs.gov/publication/tei397},
  note = {Source identifier: tei397}
}