@misc{indiciae34f334a84f32,
  title = {Geologic map of parts of the Louisville West and Lanesville quadrangles, Jefferson County, Kentucky},
  author = {R.C. Kepferle},
  year = {1974},
  doi = {10.3133/ofr7418},
  url = {https://pubs.usgs.gov/publication/ofr7418},
  note = {Source identifier: ofr7418}
}