@misc{indiciaec618b378f836,
  title = {The human footprint in the west: a large-scale analysis of anthropogenic impacts.},
  author = {M. Leu and S.E. Hanser and S.T. Knick},
  year = {2008},
  doi = {10.1890/07-0480.1},
  url = {https://pubs.usgs.gov/publication/70033547},
  note = {Source identifier: 70033547}
}