@misc{indiciae60ed515621d6,
  title = {Geology of the Arabian Peninsula: Sedimentary geology of Saudi Arabia},
  author = {R.W. Powers and Leon F. Ramirez and C.D. Redmond and E.L. Elberg},
  year = {1966},
  doi = {10.3133/pp560d},
  url = {https://pubs.usgs.gov/publication/pp560D},
  note = {Source identifier: pp560D}
}