@misc{indiciae13d9ca212018,
  title = {Geologic map of the Summersville quadrangle, Green County, Kentucky},
  author = {Samuel L. Moore},
  year = {1970},
  doi = {10.3133/gq870},
  url = {https://pubs.usgs.gov/publication/gq870},
  note = {Source identifier: gq870}
}