@misc{indiciae544ad3dd6dba,
  title = {Geologic map of the Snake River Canyon near Twin Falls, Idaho},
  author = {H. R. Covington},
  year = {1976},
  doi = {10.3133/mf809},
  url = {https://pubs.usgs.gov/publication/mf809},
  note = {Source identifier: mf809}
}