@misc{indiciae2b17748de860,
  title = {Map showing quality of ground water in Kentucky River Area Development District, Kentucky},
  author = {R. W. Davis},
  year = {1978},
  doi = {10.3133/mf865e},
  url = {https://pubs.usgs.gov/publication/mf865E},
  note = {Source identifier: mf865E}
}