@misc{indiciaeafd703482e91,
  title = {Geologic map of parts of the Vevay South and Vevay North quadrangles, north-central Kentucky},
  author = {W. C. Swadley},
  year = {1973},
  doi = {10.3133/gq1123},
  url = {https://pubs.usgs.gov/publication/gq1123},
  note = {Source identifier: gq1123}
}