@misc{indiciae21ae5ef15c8c,
  title = {Status and distribution of whitebark and limber pine in Glacier, Yellowstone, and Grand Teton National Parks},
  author = {Katherine C. Kendall},
  year = {2001},
  url = {https://pubs.usgs.gov/publication/70159700},
  note = {Source identifier: 70159700}
}