@misc{indiciae9514595b5dd3,
  title = {Phosphate rock at West Thaniyat, Sirhan-Turaif (Jawf-Sakakah) Basin Kingdom of Saudi Arabia},
  author = {Charles R. Meissner},
  year = {1970},
  doi = {10.3133/ofr70220},
  url = {https://pubs.usgs.gov/publication/ofr70220},
  note = {Source identifier: ofr70220}
}