@misc{indiciae6f3f34d7e2d1,
  title = {Reconnaissance geology of the Al Lith Quadrangle, sheet 20/40 C, Kingdom of Saudi Arabia},
  author = {Donald G. Hadley and Robert Joseph Fleck},
  year = {1979},
  doi = {10.3133/ofr80128},
  url = {https://pubs.usgs.gov/publication/ofr80128},
  note = {Source identifier: ofr80128}
}