@misc{indiciae2774a168b2ff,
  title = {Geologic map of the Lawrenceville quadrangle, Grant and Owen Counties, Kentucky},
  author = {W. C. Swadley},
  year = {1975},
  doi = {10.3133/gq1204},
  url = {https://pubs.usgs.gov/publication/gq1204},
  note = {Source identifier: gq1204}
}