@misc{indiciae470a0eaa3244,
  title = {Hydrology of the cavernous limestones of the Mammoth Cave area, Kentucky},
  author = {Richmond F. Brown},
  year = {1966},
  doi = {10.3133/wsp1837},
  url = {https://pubs.usgs.gov/publication/wsp1837},
  note = {Source identifier: wsp1837}
}