@misc{indiciae57a78ffc1da3,
  title = {Geologic map of the southeast quarter of the Cummings Mesa Quadrangle, Kane and San Juan counties, Utah, and Coconino County, Arizona},
  author = {Fred Peterson and B. E. Barnum},
  year = {1973},
  doi = {10.3133/i758},
  url = {https://pubs.usgs.gov/publication/i758},
  note = {Source identifier: i758}
}