@misc{indiciae945fe39094bc,
  title = {Hydrogeologic reconnaissance of the Republican River basin, Nebraska},
  author = {Michael J. Ellis},
  year = {1981},
  doi = {10.3133/ofr81531},
  url = {https://pubs.usgs.gov/publication/ofr81531},
  note = {Source identifier: ofr81531}
}