@misc{indiciae588b89e77e7f,
  title = {Petroleum exploration plays and resource estimates, 1989, onshore United States; Region 3, Colorado Plateau and Basin and Range},
  year = {1993},
  doi = {10.3133/ofr93248},
  url = {https://pubs.usgs.gov/publication/ofr93248},
  note = {Source identifier: ofr93248}
}