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. Wrangell-St. Elias National Park and Preserve: 2002-2003 wilderness visitor experience data in the Alaska regional context
- Author(s):
- Watson, Alan E.; Glaspell, Brian S.; Kneeshaw, Katie C.
4. Summary of U.S. threatened and endangered species listings, 1976-2019
- Author(s):
- Knowles, Michael S.; Flather, Curtis H.