@misc{indiciaef668eeaaf952,
  title = {Geology of the Wadi Ar Rimah quadrangle, Kingdom of Saudi Arabia},
  author = {Leon F. Ramirez and Glen F. Brown},
  year = {1961},
  doi = {10.3133/i206b},
  url = {https://pubs.usgs.gov/publication/i206B},
  note = {Source identifier: i206B}
}