@misc{indiciae60bf401192a2,
  title = {Resources of oil, gas, and natural-gas liquids in the United States and the world},
  author = {Thomas Andrews Hendricks},
  year = {1965},
  doi = {10.3133/cir522},
  url = {https://pubs.usgs.gov/publication/cir522},
  note = {Source identifier: cir522}
}