@misc{indiciae39bbe4086394,
  title = {Map of assessed continuous (unconventional) oil resources in the United States, 2014},
  author = {U.S. Geological Survey National Assessment of Oil and Gas Resources Team},
  year = {2015},
  doi = {10.3133/ds69jj},
  url = {https://pubs.usgs.gov/publication/ds69JJ},
  note = {Source identifier: ds69JJ}
}