@misc{indiciae3330e97c2051,
  title = {Geohydrology of the Cheyenne River Indian Reservation, South Dakota},
  author = {Lewis W. Howells},
  year = {1979},
  doi = {10.3133/ha585},
  url = {https://pubs.usgs.gov/publication/ha585},
  note = {Source identifier: ha585}
}