@misc{indiciae2a3f2eade732,
  title = {Magnetic and gravity features of western Kentucky: Their geologic significance},
  author = {T.G. Hildenbrand and G. Randy Keller},
  year = {1983},
  doi = {10.3133/ofr83164},
  url = {https://pubs.usgs.gov/publication/ofr83164},
  note = {Source identifier: ofr83164}
}