@misc{indiciaeb496538d3ff5,
  title = {Preliminary geologic map of the Comb Ridge area, San Juan county, Utah},
  author = {J. D. Sears and R.D. Sample},
  year = {1953},
  doi = {10.3133/70048618},
  url = {https://pubs.usgs.gov/publication/70048618},
  note = {Source identifier: 70048618}
}