@misc{indiciae583f5f6e0726,
  title = {Geology of the Ishmas gold district, Kingdom of Saudi Arabia},
  author = {Jeff L. Doebrich and Willis M. White},
  year = {1991},
  doi = {10.3133/ofr90303},
  url = {https://pubs.usgs.gov/publication/ofr90303},
  note = {Source identifier: ofr90303}
}