@misc{indiciae0d351016b5fa,
  title = {Current studies of the hydrology of prairie potholes},
  author = {Jelmer B. Shjeflo},
  year = {1962},
  doi = {10.3133/cir472},
  url = {https://pubs.usgs.gov/publication/cir472},
  note = {Source identifier: cir472}
}