@misc{indiciae4e82c1685b56,
  title = {Geologic map of parts of the Newburgh and Yankeetown quadrangles, Henderson and Daviess Counties, Kentucky},
  author = {William D. Johnson},
  year = {1972},
  doi = {10.3133/gq1045},
  url = {https://pubs.usgs.gov/publication/gq1045},
  note = {Source identifier: gq1045}
}