@misc{indiciaef47666943da2,
  title = {Geologic map of the Henrys Lake Quadrangle, Idaho and Montana},
  author = {I. J. Witkind},
  year = {1972},
  doi = {10.3133/i781a},
  url = {https://pubs.usgs.gov/publication/i781A},
  note = {Source identifier: i781A}
}