1. Older populations (age 60) and wildfire risk in 2020 for project areas, firesheds, counties, and states
- Author(s):
- Winkler, Richelle L.; Mockrin, Miranda H.; Dillon, Gregory K.; Evers, Cody R.
2. National river recreation study data: a nationwide survey of river recreation use from 1977-1984
- Author(s):
- Cole, David N.