@misc{indiciae0b335a5c632e,
  title = {Spatial and temporal variation in soil and vegetation impacts on campsites},
  author = {Jeffrey L. Marion and David N. Cole},
  year = {1996},
  doi = {10.2307/2269388},
  url = {https://pubs.usgs.gov/publication/5223257},
  note = {Source identifier: 5223257}
}