@misc{indiciaebb3792e789d6,
  title = {Geologic map of the southern Hijaz quadrangle, Kingdom of Saudi Arabia},
  author = {Glen F. Brown and Roy O. Jackson and R.G. Bogue and W.H. MacLean},
  year = {1963},
  doi = {10.3133/i210a},
  url = {https://pubs.usgs.gov/publication/i210A},
  note = {Source identifier: i210A}
}