@misc{indiciaeee45834ea5b1,
  title = {Hydrology of a part of the Big Sioux drainage basin, eastern South Dakota},
  author = {Michael J. Ellis and Donald G. Adolphson and Robert E. West},
  year = {1969},
  doi = {10.3133/ha311},
  url = {https://pubs.usgs.gov/publication/ha311},
  note = {Source identifier: ha311}
}