@misc{indiciaef85b652459a2,
  title = {Diamond drilling at the Ma'milah Mine, Kingdom of Saudi Arabia},
  author = {Thor H. Kiilsgaard},
  year = {1976},
  doi = {10.3133/ofr76345},
  url = {https://pubs.usgs.gov/publication/ofr76345},
  note = {Source identifier: ofr76345}
}