@misc{indiciae9fb3f60df474,
  title = {Geologic map of the Dragon Mountains Roadless Area, Cochise County, Arizona},
  author = {Harald Drewes and G.A. Meyer},
  year = {1983},
  doi = {10.3133/mf1521a},
  url = {https://pubs.usgs.gov/publication/mf1521A},
  note = {Source identifier: mf1521A}
}