@misc{indiciae76bc553c1dce,
  title = {Water levels in observation wells in Nebraska during 1955},
  author = {C.F. Keech},
  year = {1956},
  doi = {10.3133/ofr5670},
  url = {https://pubs.usgs.gov/publication/ofr5670},
  note = {Source identifier: ofr5670}
}