U.S. Department of Agriculture1. Situk River, Alaska: 2003 recreation visitor study data
- Author(s):
- Christensen, Neal A.; Watson, Alan E.; Whittaker, Doug
2. Auyuittuq and Quttinirpaaq National Parks in the eastern Arctic Nunavut Region of Canada: 2003-2004 visitor experience study
- Author(s):
- Watson, Alan E.; Lachapelle, Paul R.; McCool, Stephen F.
3. Gates of the Arctic Kobuk River: 2001 sport hunter survey data
- Author(s):
- Christensen, Neal A.; Watson, Alan E.
4. Three Sisters, Mt. Jefferson, and Mt. Washington wilderness areas in Oregon: 1991 visitor survey data
- Author(s):
- Cole, David N.; Watson, Alan E.; Cronn, Richard C.