@misc{indiciaed7f862297510,
  title = {Geologic map of the Darb Zubaydah quadrangle, Kingdom of Saudi Arabia},
  author = {Richard A. Bramkamp and Leon F. Ramirez},
  year = {1963},
  doi = {10.3133/i202a},
  url = {https://pubs.usgs.gov/publication/i202A},
  note = {Source identifier: i202A}
}