@misc{indiciaecd25288a4e19,
  title = {Geologic map of the Jeffersontown quadrangle, Jefferson County, Kentucky},
  author = {Frank R. Moore and Roy Clark Kepferle and Warren Lee Peterson},
  year = {1972},
  doi = {10.3133/gq999},
  url = {https://pubs.usgs.gov/publication/gq999},
  note = {Source identifier: gq999}
}