@misc{indiciae14124d0d7689,
  title = {Borden Formation (Mississippian) in south- and southeast-central Kentucky},
  author = {Gordon Whitney Weir and James Louis Gualtieri and Seymour O. Schlanger},
  year = {1966},
  doi = {10.3133/b1224f},
  url = {https://pubs.usgs.gov/publication/b1224F},
  note = {Source identifier: b1224F}
}