@misc{indiciae44e7eaaa5bc0,
  title = {Map showing snow avalanche probabilities in the Henrys Lake quadrangle, Idaho and Montana},
  author = {I. J. Witkind and P. A. Hoskins and V. L. Lindsey and E. L. Mitchell},
  year = {1972},
  doi = {10.3133/i781i},
  url = {https://pubs.usgs.gov/publication/i781I},
  note = {Source identifier: i781I}
}