@misc{indiciae76138e77985f,
  title = {Geographic map of the Wadi As Sirhan quadrangle, Kingdom of Saudi Arabia},
  author = {Richard A. Bramkamp and Glen F. Brown and Donald A. Holm and Newton M. Layne},
  year = {1962},
  doi = {10.3133/i200b},
  url = {https://pubs.usgs.gov/publication/i200B},
  note = {Source identifier: i200B}
}