U.S. Department of Agriculture1. Situk River, Alaska: 2003 recreation visitor study data
- Author(s):
- Christensen, Neal A.; Watson, Alan E.; Whittaker, Doug
2. Gates of the Arctic Kobuk River: 2001 sport hunter survey data
- Author(s):
- Christensen, Neal A.; Watson, Alan E.
3. Data on wilderness experience stewardship from a 2001-2002 visitor survey at Gates of the Arctic National Park & Preserve
- Author(s):
- Glaspell, Brian; Watson, Alan E.; Kneeshaw, Katie; Pendergrast, Don; Christensen, Neal A.; Liljeblad, Adam
4. National river recreation study data: a nationwide survey of river recreation use from 1977-1984
- Author(s):
- Cole, David N.