@misc{indiciae732955c1d00a,
  title = {History of irrigation and characteristics of streamflow in northern Nebraska},
  author = {F.B. Shaffer},
  year = {1975},
  doi = {10.3133/ofr7501},
  url = {https://pubs.usgs.gov/publication/ofr7501},
  note = {Source identifier: ofr7501}
}