TY - RPRT TI - Geology of Phosphate Deposits in the Sirhan-Turayf Basin, Kingdom of Saudi Arabia and Dry Beneficiation of Phosphate Ore from West Thaniyat, Saudi Arabia AU - Charles R. Meissner AU - Abdullah Ankary AU - Tennessee Valley Authority PY - 1970 DO - 10.3133/ofr70221 UR - https://pubs.usgs.gov/publication/ofr70221 ID - ofr70221 ER -