@misc{indiciaede998d752ab0,
  title = {Geographic map of the northwestern Hijaz quadrangle, Kingdom of Saudi Arabia},
  author = {Glen F. Brown and Roy O. Jackson and Richard G. Bogue},
  year = {1959},
  doi = {10.3133/i204b},
  url = {https://pubs.usgs.gov/publication/i204B},
  note = {Source identifier: i204B}
}