@misc{indiciaecb99c24e69a0,
  title = {Glacier observations, Glacier National Park, Montana, 1962},
  author = {Arthur Johnson},
  year = {1963},
  doi = {10.3133/ofr6368},
  url = {https://pubs.usgs.gov/publication/ofr6368},
  note = {Source identifier: ofr6368}
}