@misc{indiciaea927cf50a5c6,
  title = {Earthquake hazard map of the Henrys Lake quadrangle, Idaho and Montana},
  author = {I. J. Witkind},
  year = {1972},
  doi = {10.3133/i781e},
  url = {https://pubs.usgs.gov/publication/i781E},
  note = {Source identifier: i781E}
}