@misc{indiciae6bf118caea0e,
  title = {Water-supply sites for Wind Cave National Park, Custer County, South Dakota},
  author = {Donald G. Adolphson and E. F. LeRoux},
  year = {1974},
  doi = {10.3133/ofr741002},
  url = {https://pubs.usgs.gov/publication/ofr741002},
  note = {Source identifier: ofr741002}
}