@misc{indiciaeee45f6c3aab6,
  title = {Geology of Comb Ridge and vicinity north of San Juan River, San Juan County, Utah},
  author = {Julian Ducker Sears},
  year = {1956},
  doi = {10.3133/b1021e},
  url = {https://pubs.usgs.gov/publication/b1021E},
  note = {Source identifier: b1021E}
}