@misc{indiciae9c9ea3eda836,
  title = {Geology and ground-water resources of Richardson County, Nebraska},
  author = {Philip A. Emery},
  year = {1964},
  doi = {10.3133/wsp1779w},
  url = {https://pubs.usgs.gov/publication/wsp1779W},
  note = {Source identifier: wsp1779W}
}