@misc{indiciaecc99d1727df1,
  title = {The upper part of the Upper Triassic Chinle Formation and related rocks, southeastern Utah and adjacent areas},
  author = {R. B. O'Sullivan},
  year = {1970},
  doi = {10.3133/pp644e},
  url = {https://pubs.usgs.gov/publication/pp644E},
  note = {Source identifier: pp644E}
}