@misc{indiciae4af4ea197dc8,
  title = {Drilling results at the Farah Garan ancient mine, southwestern Saudi Arabia},
  author = {Charles W. Smith and Mustafa M. Mawad},
  year = {1982},
  doi = {10.3133/ofr82942},
  url = {https://pubs.usgs.gov/publication/ofr82942},
  note = {Source identifier: ofr82942}
}