@misc{indiciaee177b9e04801,
  title = {Log of diamond drill core, Hole Number 1, Lahuf mine, Saudi Arabia},
  author = {P. K. Theobald and Charles Emmet Thompson and Louis Gonzalez},
  year = {1967},
  doi = {10.3133/ofr67216},
  url = {https://pubs.usgs.gov/publication/ofr67216},
  note = {Source identifier: ofr67216}
}