1. U.S. Geological Survey, Western Ecological Research Center; San Francisco Bay Estuary Field Station, 505 Azuar Drive; Vallejo CA 94592 U.S.A.
2. U.S. Geological Survey, Western Ecological Research Center; Nisqually Field Station, 100 Brown Farm Road NE; Olympia WA 98516 U.S.A.
3. Department of Natural Resources; Nisqually Indian Tribe, 12501 Yelm Highway SE; Olympia WA 98513 U.S.A.
4. U.S. Fish and Wildlife Service; Billy Frank Jr. Nisqually National Wildlife Refuge, 100 Brown Farm Road NE; Olympia WA 98516 U.S.A.
5. Present address: Suisun Resource Conservation District, 2554 Grizzly Island Road; Suisun City CA 94585 U.S.A.