@misc{indiciae0fb03d19ed1a,
  title = {Chemical quality of water in the Walnut River basin, south-central Kansas},
  author = {Robert B. Leonard},
  year = {1972},
  doi = {10.3133/wsp1982},
  url = {https://pubs.usgs.gov/publication/wsp1982},
  note = {Source identifier: wsp1982}
}