@misc{indiciae3bb774590546,
  title = {Geologic map of the Whetstone roadless area, and vicinity, Cochise and Pima counties, Arizona},
  author = {C. T. Wrucke and A. K. Armstrong},
  year = {1984},
  doi = {10.3133/mf1614b},
  url = {https://pubs.usgs.gov/publication/mf1614B},
  note = {Source identifier: mf1614B}
}