U.S. Department of Agriculture1. Situk River, Alaska: 2003 recreation visitor study data
- Author(s):
- Christensen, Neal A.; Watson, Alan E.; Whittaker, Doug
2. Motorboat use on the Main Salmon River: Data from a study for the Frank Church-River of No Return Wilderness
- Author(s):
- Watson, Alan E.; Patterson, Michael E.; Christensen, Neal A.; Puttkammer, Annette; Meyer, Shannon
3. 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.
4. Gates of the Arctic Kobuk River: 2001 sport hunter survey data
- Author(s):
- Christensen, Neal A.; Watson, Alan E.