@misc{indiciae92e6023c4c60,
  title = {Preliminary geologic map of the Turayf Quadrangle, sheet 31C, and part of the An Nabk quadrangle, sheet 31B, Kingdom of Saudi Arabia},
  author = {C. R. Meissner and G.P. Riddler and Marcel Van Eck and N.C. Aspinall and A.M. Farasani and S.M. Dini},
  year = {1989},
  doi = {10.3133/ofr89336},
  url = {https://pubs.usgs.gov/publication/ofr89336},
  note = {Source identifier: ofr89336}
}