@misc{indiciae3cb8a007668d,
  title = {Geologic map of the Bardstown quadrangle, Nelson County, Kentucky},
  author = {Warren Lee Peterson},
  year = {1969},
  doi = {10.3133/gq825},
  url = {https://pubs.usgs.gov/publication/gq825},
  note = {Source identifier: gq825}
}