@misc{indiciae335efc282d6f,
  title = {U.S. Geological Survey 2002 petroleum resource assessment of the National Petroleum Reserve in Alaska (NPRA): play maps and technically recoverable resource estimates},
  author = {Kenneth J. Bird and David W. Houseknecht},
  year = {2002},
  doi = {10.3133/ofr02207},
  url = {https://pubs.usgs.gov/publication/ofr02207},
  note = {Source identifier: ofr02207}
}