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By: Witmer, Gary William. - Pitt, William C. - Fagerstone, Kathleen A., - United States. Animal and Plant Health Inspection Service. - Wildlife Services (U.S.) - National Wildlife Research Center (U.S.)Edition:Publication info: Fort Collins, CO, USDA APHIS Wildlife Services, National Wildlife Research Center, 2007Volume: 2007Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Pitt, William C. - Jordan, Peter A.Type: ArticleIn: The Canadian field-naturalistVolume: 108Series:Issue: 3Date: 1994Page Range: 341--346Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: