@misc{indiciae3222cc833a49,
  title = {Geologic map of parts of the Patriot and Florence quadrangles, north-central Kentucky},
  author = {W. C. Swadley},
  year = {1969},
  doi = {10.3133/gq846},
  url = {https://pubs.usgs.gov/publication/gq846},
  note = {Source identifier: gq846}
}