Turnbull National Wildlife Refuge [electronic resource] : comprehensive conservation plan / prepared by Turnbull National Wildlife Refuge and U.S. Fish and Wildlife Service, Division of Planning and Visitor Services.
Imprint
[Cheney, Wash. : Turnbull National Wildlife Refuge, 2007]
Mode of access: Internet from the Fish and Wildlife Service Division of Planning and Visitor Services web site. Address as of 8/2/07: http://www.fws.gov/pacific/planning/main/docs/wa/Turnbull/Final%20CCP/Turnbull%20CCP.pdf; current access available via PURL.