Browsing Federal Agencies (Oregon Regional Offices) by Subject "Bald eagle -- Effect of pesticides on -- Columbia River"
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Changes in Productivity and Environmental Contaminants in Bald Eagles Nesting along the Lower Columbia River : Final Report (Portland, Or. : U.S. Fish and Wildlife Service, Region 1, , 1999-08-12)Reports on the results of a study on the effects of environmental contaminants on Bald Eagles in the Lower Columbia River area. Makes recommendations for addressing the problems identified.