@misc{indiciae65de3801ea51,
  title = {A preliminary investigation of a copper occurrence at Jabal Sarbon, Tihamat Ash Sham quadrangle, Kingdom of Saudi Arabia},
  author = {Robert L. Earhart},
  year = {1969},
  doi = {10.3133/ofr6981},
  url = {https://pubs.usgs.gov/publication/ofr6981},
  note = {Source identifier: ofr6981}
}