@misc{indiciae287849e2f8a3,
  title = {Petroleum exploration plays and resource estimates, 1989, onshore United States; Region 8, Eastern Interior; Region 9, Atlantic Coast},
  author = {R.B. Powers},
  year = {1994},
  doi = {10.3133/ofr94211},
  url = {https://pubs.usgs.gov/publication/ofr94211},
  note = {Source identifier: ofr94211}
}