@misc{indiciae7568b75f7f4c,
  title = {Reconnaissance geology of the Ishash Quadrangle, sheet 26/39C, Kingdom of Saudi Arabia},
  author = {G. M. Fairer},
  year = {1983},
  doi = {10.3133/ofr83821},
  url = {https://pubs.usgs.gov/publication/ofr83821},
  note = {Source identifier: ofr83821}
}