@misc{indiciae2a2649434a31,
  title = {Hydrologic hazards in karst terrain (water fact sheet)},
  author = {A.J. Whallon and N.C. Crawford},
  year = {1985},
  doi = {10.3133/ofr85677},
  url = {https://pubs.usgs.gov/publication/ofr85677},
  note = {Source identifier: ofr85677}
}