@misc{indiciae4753272bafd4,
  title = {Geology of Phosphate Deposits in the Sirhan-Turayf Basin, Kingdom of Saudi Arabia and Dry Beneficiation of Phosphate Ore from West Thaniyat, Saudi Arabia},
  author = {Charles R. Meissner and Abdullah Ankary and Tennessee Valley Authority},
  year = {1970},
  doi = {10.3133/ofr70221},
  url = {https://pubs.usgs.gov/publication/ofr70221},
  note = {Source identifier: ofr70221}
}