@misc{indiciaecb246faedede,
  title = {Occurrence of fresh water in the Lee formation in parts of Elliott, Johnson, Lawrence, Magoffin, and Morgan Counties, eastern coal field region, Kentucky},
  author = {Herbert T. Hopkins},
  year = {1970},
  doi = {10.3133/wsp1867},
  url = {https://pubs.usgs.gov/publication/wsp1867},
  note = {Source identifier: wsp1867}
}