@misc{indiciae0190304f7e45,
  title = {Ground-water resources of Hamilton County, Nebraska, with a section on the chemical quality of the water},
  author = {Charles Franklin Keech and P. G. Rosene},
  year = {1962},
  doi = {10.3133/wsp1539n},
  url = {https://pubs.usgs.gov/publication/wsp1539N},
  note = {Source identifier: wsp1539N}
}