@misc{indiciaecd51d391c356,
  title = {2010 Petroleum resource assessment of the National Petroleum Reserve in Alaska (NPRA): GIS play maps},
  author = {Christopher P. Garrity and David W. Houseknecht and Kenneth J. Bird},
  year = {2011},
  doi = {10.3133/ofr20111099},
  url = {https://pubs.usgs.gov/publication/ofr20111099},
  note = {Source identifier: ofr20111099}
}