@misc{indiciaef704f18cb2c0,
  title = {Reconnaissance geologic map of the Muwassam Quadrangle, sheet 16/42 D, Kingdom of Saudi Arabia},
  author = {H. Richard Blank},
  year = {1985},
  doi = {10.3133/ofr85725},
  url = {https://pubs.usgs.gov/publication/ofr85725},
  note = {Source identifier: ofr85725}
}