@misc{indiciae64a70aeff731,
  title = {Continental rifting under the Illinois Basin and Mississippi River embayment},
  author = {Darrell M. Pinckney},
  year = {1980},
  doi = {10.3133/ofr80622},
  url = {https://pubs.usgs.gov/publication/ofr80622},
  note = {Source identifier: ofr80622}
}