@misc{indiciae9d79817ab4b8,
  title = {Geohydrology of the Standing Rock Indian Reservation, North and South Dakota},
  author = {Lewis W. Howells},
  year = {1982},
  doi = {10.3133/ha644},
  url = {https://pubs.usgs.gov/publication/ha644},
  note = {Source identifier: ha644}
}