@misc{indiciaeb0f3942244bf,
  title = {Geology and ground-water resources of the Paducah area, Kentucky},
  author = {Henry Louis Pree and W.H. Walker and L.M. MacCary},
  year = {1957},
  doi = {10.3133/wsp1417},
  url = {https://pubs.usgs.gov/publication/wsp1417},
  note = {Source identifier: wsp1417}
}