TY  - RPRT
TI  - Landscape changes in the southwestern United States: Techniques, long-term datasets, and trends: Chapter 9
AU  - Craig D. Allen
AU  - Julio L. Betancourt
AU  - Thomas W. Swetnam
PY  - 1998
UR  - https://pubs.usgs.gov/publication/70180831
ID  - 70180831
ER  -