@misc{indiciae502fa8f75a14,
  title = {Geology and ground-water resources of the Covington-Newport alluvial area, Kentucky},
  author = {Eugene H. Walker},
  year = {1953},
  doi = {10.3133/cir240},
  url = {https://pubs.usgs.gov/publication/cir240},
  note = {Source identifier: cir240}
}