@misc{indiciaeafad35c6be34,
  title = {Geologic map of the South Hill quadrangle, Butler and Ohio Counties, Kentucky},
  author = {Samuel L. Moore},
  year = {1974},
  doi = {10.3133/gq1180},
  url = {https://pubs.usgs.gov/publication/gq1180},
  note = {Source identifier: gq1180}
}