@misc{indiciae28feb78273b7,
  title = {Availability of ground water in Marion, Nelson, and Washington Counties, Kentucky (county group 21)},
  author = {Francis Ramey Hall and Wilbur Nathaniel Palmquist},
  year = {1960},
  doi = {10.3133/ha21},
  url = {https://pubs.usgs.gov/publication/ha21},
  note = {Source identifier: ha21}
}