@misc{indiciae17b3bbc5d4a4,
  title = {Yukon River ice; freeze-up data (1883-1975)},
  author = {A. G. Fountain and B. H. Vaughn},
  year = {1984},
  doi = {10.3133/ofr84601},
  url = {https://pubs.usgs.gov/publication/ofr84601},
  note = {Source identifier: ofr84601}
}