@misc{indiciaed997641c3d23,
  title = {Characterizing backcountry camping impacts in Great Smoky Mountains National Park},
  author = {Y.-F. Leung and J. L. Marion},
  year = {1999},
  doi = {10.1006/jema.1999.0303},
  url = {https://pubs.usgs.gov/publication/5223941},
  note = {Source identifier: 5223941}
}