@misc{indiciae2d868abb2fdb,
  title = {Excavation of red squirrel middens by grizzly bears in the whitebark pine zone},
  author = {D.J. Mattson and Daniel P. Reinhart},
  year = {1997},
  doi = {10.2307/2405283},
  url = {https://pubs.usgs.gov/publication/1015715},
  note = {Source identifier: 1015715}
}