@misc{indiciae4251d2a2e019,
  title = {Geology and ground-water resources of Prowers County, Colorado},
  author = {Paul T. Voegeli and Lloyd A. Hershey},
  year = {1965},
  doi = {10.3133/wsp1772},
  url = {https://pubs.usgs.gov/publication/wsp1772},
  note = {Source identifier: wsp1772}
}