@misc{indiciaee5e481afe390,
  title = {Geologic studies of the Platte River, south-central Nebraska and adjacent areas — Geologic maps, subsurface study, and geologic history},
  author = {Steven M. Condon},
  year = {2005},
  doi = {10.3133/pp1706},
  url = {https://pubs.usgs.gov/publication/pp1706},
  note = {Source identifier: pp1706}
}