@misc{indiciae2378d210ca53,
  title = {Mineral reconnaissance of the southern part of the Wadi Qaraqir quadrangle, Saudi Arabia},
  author = {Robert Francis Johnson and Virgil A. Trent},
  year = {1972},
  doi = {10.3133/ofr72196},
  url = {https://pubs.usgs.gov/publication/ofr72196},
  note = {Source identifier: ofr72196}
}