@misc{indiciaec26cba6284d8,
  title = {Fire, red squirrels, whitebark pine, and Yellowstone grizzly bears},
  author = {Shannon Podruzny and Daniel P. Reinhart and David J. Mattson},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70169417},
  note = {Source identifier: 70169417}
}