@misc{indiciae5dac394c7947,
  title = {The mineral resource potential of the Harrat Nawasif, sheet 21/42 C, Ranyah, sheet 21/42 D, and Jabal Dalfa, sheet 21/43 C quadrangles, Kingdom of Saudi Arabia},
  author = {Michael D. Fenton},
  year = {1983},
  doi = {10.3133/ofr83372},
  url = {https://pubs.usgs.gov/publication/ofr83372},
  note = {Source identifier: ofr83372}
}