@misc{indiciaea4c98d734460,
  title = {The Jurassic Wanakah and Morrison formations in the Telluride-Ouray-western Black Canyon area of southwestern Colorado},
  author = {Robert Brett O'Sullivan},
  year = {1992},
  doi = {10.3133/b1927},
  url = {https://pubs.usgs.gov/publication/b1927},
  note = {Source identifier: b1927}
}