@misc{indiciae15d907efe119,
  title = {Mineral resource potential map of the Gila-San Francisco Wilderness Study Area, Graham and Greenlee counties, Arizona},
  author = {Donlad H. Richter and Douglas P. Klein and Viki A. Lawrence and Michael Lane},
  year = {1982},
  doi = {10.3133/mf1315b},
  url = {https://pubs.usgs.gov/publication/mf1315B},
  note = {Source identifier: mf1315B}
}