@misc{indiciae3bbdc9e6d775,
  title = {Availability of ground water in the Elva quadrangle, Kentucky},
  author = {J. H. Morgan},
  year = {1964},
  doi = {10.3133/ha117},
  url = {https://pubs.usgs.gov/publication/ha117},
  note = {Source identifier: ha117}
}