@misc{indiciaea2ddaee89aa7,
  title = {Geophysical investigations by the U.S. Geological Survey in Saudi Arabia, October 1966 to September 1967},
  author = {W. E. Davis},
  year = {1972},
  doi = {10.3133/ofr7281},
  url = {https://pubs.usgs.gov/publication/ofr7281},
  note = {Source identifier: ofr7281}
}