@misc{indiciae3df4a6dd9130,
  title = {Reconnaissance geology of the Al Ufayriyah quadrangle, sheet 20/42 A, Kingdom of Saudi Arabia},
  author = {Robert C. Greene},
  year = {1983},
  doi = {10.3133/ofr83295},
  url = {https://pubs.usgs.gov/publication/ofr83295},
  note = {Source identifier: ofr83295}
}