@misc{indiciaef5da3e9e5613,
  title = {Beaver colony density trends on the Chequamegon-Nicolet National Forest, 1987 – 2013},
  author = {Christine Ribic and Deahn M. Donner and Albert J. Beck and David J. Rugg and Sue Reinecke and Dan Eklund},
  year = {2017},
  doi = {10.1371/journal.pone.0170099},
  url = {https://pubs.usgs.gov/publication/70193673},
  note = {Source identifier: 70193673}
}