@misc{indiciae77c7aa9edad4,
  title = {Trail impacts and trail impact management related to ecotourism visitation at Torres del Paine National Park, Chile},
  author = {T. A. Farrell and J. L. Marion},
  year = {2002},
  doi = {10.1080/14927713.2001.9649928},
  url = {https://pubs.usgs.gov/publication/5224184},
  note = {Source identifier: 5224184}
}