WA - Trumpeter swan lead shot poisoning investigation in Northwest Washington and Southwest British Columbia - final report / by Cindy M. Schexnider, Mike Smith, Laurie Wilson.
Publication Info.
[Portland, Or.] : Department of the Interior, U.S. Fish and Wildlife Service, Region 1, 2009.
Trumpeter swan lead shot poisoning investigation in Northwest Washington and Southwest British Columbia
Environmental contaminants program off-refuge investigations sub-activity : WA - Trumpeter swan lead shot poisoning investigation in Northwest Washington and Southwest British Columbia - final report