@misc{indiciaeb2a54f99a332,
  title = {Glacier observations, Glacier National Park, Montana, 1960},
  author = {Arthur Johnson},
  year = {1961},
  doi = {10.3133/ofr6178},
  url = {https://pubs.usgs.gov/publication/ofr6178},
  note = {Source identifier: ofr6178}
}