@misc{indiciaef2f0c4cbb296,
  title = {Inferred oil and gas reserve estimates for the United States},
  author = {E. D. Attanasi},
  year = {2001},
  doi = {10.3133/ofr01447},
  url = {https://pubs.usgs.gov/publication/ofr01447},
  note = {Source identifier: ofr01447}
}