@misc{indiciae58870e4237cf,
  title = {Geologic map of the southwest quarter of the Gunsight Butte quadrangle, Kane and San Juan Counties, Utah, and Coconino County, Arizona},
  author = {Fred Peterson},
  year = {1973},
  doi = {10.3133/mf306},
  url = {https://pubs.usgs.gov/publication/mf306},
  note = {Source identifier: mf306}
}