@misc{indiciae4f82c604f672,
  title = {Geologic map of the Delmer quadrangle, Pulaski County, Kentucky},
  author = {Richard Quintin Lewis},
  year = {1971},
  doi = {10.3133/gq909},
  url = {https://pubs.usgs.gov/publication/gq909},
  note = {Source identifier: gq909}
}