@misc{indiciae927b8d8b3054,
  title = {Threatened ecosystem: high elevation spruce-fir forest},
  author = {N.S. Nicholas and C. Eagar and J.D. Peine},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/95294},
  note = {Source identifier: 95294}
}