@misc{indiciae406682ad89ef,
  title = {Description and evaluation of selected methods used to delineate wellhead-protection areas around public-supply wells near Mt. Hope, Kansas},
  author = {C. V. Hansen},
  year = {1991},
  doi = {10.3133/wri904102},
  url = {https://pubs.usgs.gov/publication/wri904102},
  note = {Source identifier: wri904102}
}