@misc{indiciae92698408448d,
  title = {The influence of use-related, environmental, and managerial factors on soil loss from recreational trails},
  author = {Nathaniel D. Olive and Jeffrey L. Marion},
  year = {2009},
  doi = {10.1016/j.jenvman.2008.10.004},
  url = {https://pubs.usgs.gov/publication/5224916},
  note = {Source identifier: 5224916}
}