@misc{indiciaec4d31b2a8830,
  title = {Ground-water resources at three towns on the Standing Rock Indian Reservation in South Dakota},
  author = {M. J. Ellis and D. G. Adolphson},
  year = {1965},
  doi = {10.3133/ofr6553},
  url = {https://pubs.usgs.gov/publication/ofr6553},
  note = {Source identifier: ofr6553}
}