@misc{indiciae6e67bf2ef9a5,
  title = {Landscape changes in the southwestern United States: Techniques, long-term datasets, and trends: Chapter 9},
  author = {Craig D. Allen and Julio L. Betancourt and Thomas W. Swetnam},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/70180831},
  note = {Source identifier: 70180831}
}