- Shasta County (Calif.)1
- Shasta County (Calif.)--Planning Division1
- Sliter, Ray W.1
- Stattersfield, A. J.1
- Stattersfield, A.J., M.J. Crosby, A.J. Long, and D.C. Wege. 1998. Endemic Bird Areas of the World: Priorities for Biodiversity Conservation. Cambridge, United Kingdom: BirdLife International.1
- Tehama County Public Works1
- The Nature Conservancy1
- Thomas, Adelle1
- UNEP World Conservation Monitoring Centre1
- Uganda Bureau of Statistics (UBOS)1
- United Nations. Office for the Coordination of Humanitarian Affairs1
- United States. Agricultural Research Service1
- United States. Coast Guard1
- United States. Department of Housing and Urban Development1
- United States. Environmental Protection Agency, Region IX1
- United States. Environmental Protection Agency.1
- United States. Forest Service1
- United States. National Environmental Satellite, Data, and Information Service1
- United States. National Marine Fisheries Service1
- United States. National Park Service1
