@misc{indiciae0a446c6275d9,
  title = {Maintaining the quality of park resources and visitor experiences: A handbook for managers},
  author = {Dorothy H. Anderson and David W. Lime and Theresa L. Wang},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/93796},
  note = {Source identifier: 93796}
}