@misc{indiciaef1bc2afaa7b3,
  title = {Reconnaissance geologic map of the Jabal al Usayfir quadrangle, sheet 26/40C, Kingdom of Saudi Arabia},
  author = {G. M. Fairer},
  year = {1985},
  doi = {10.3133/ofr85579},
  url = {https://pubs.usgs.gov/publication/ofr85579},
  note = {Source identifier: ofr85579}
}