@misc{indiciaed57303042686,
  title = {Reconnaissance geology of the Musaylim Quadrangle, sheet 19/40 B, Kingdom of Saudi Arabia},
  author = {Donald G. Hadley},
  year = {1979},
  doi = {10.3133/ofr80130},
  url = {https://pubs.usgs.gov/publication/ofr80130},
  note = {Source identifier: ofr80130}
}