@misc{indiciaea4d34efca7f2,
  title = {Ground Water Atlas of the United States: Segment 10, Illinois, Indiana, Kentucky, Ohio, Tennessee},
  author = {Orville B. Lloyd and William L. Lyke},
  year = {1995},
  doi = {10.3133/ha730k},
  url = {https://pubs.usgs.gov/publication/ha730K},
  note = {Source identifier: ha730K}
}