@misc{indiciae39e9d1f86729,
  title = {Geology of the Tihamat Ash Sham quadrangle, Kingdom of Saudi Arabia},
  author = {Glen F. Brown and Roy O. Jackson},
  year = {1958},
  doi = {10.3133/i216a},
  url = {https://pubs.usgs.gov/publication/i216A},
  note = {Source identifier: i216A}
}