@misc{indiciae5f63ecb3af37,
  title = {Geologic map of the Berry Quadrangle, north-central Kentucky},
  author = {Stanley J. Luft},
  year = {1975},
  doi = {10.3133/ofr75114},
  url = {https://pubs.usgs.gov/publication/ofr75114},
  note = {Source identifier: ofr75114}
}