@misc{indiciae160595e76fc2,
  title = {Geologic map of the Hells Hole further planning area (RARE II) Greenlee County, Arizona, and Grant County, New Mexico},
  author = {J.C. Ratte and D. C. Hedlund},
  year = {1981},
  doi = {10.3133/mf1344a},
  url = {https://pubs.usgs.gov/publication/mf1344A},
  note = {Source identifier: mf1344A}
}