@misc{indiciae4056a3a23cae,
  title = {Glacier Observations, Glacier National Park, Montana, 1963},
  author = {Arthur Johnson},
  year = {1964},
  doi = {10.3133/ofr6490},
  url = {https://pubs.usgs.gov/publication/ofr6490},
  note = {Source identifier: ofr6490}
}