@misc{indiciaecca2bfa6d890,
  title = {Mineral exploration, Mahd adh Dhahab District, Kingdom of Saudi Arabia},
  author = {Ronald G. Worl},
  year = {1978},
  doi = {10.3133/ofr781073},
  url = {https://pubs.usgs.gov/publication/ofr781073},
  note = {Source identifier: ofr781073}
}