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FIGURES vi 



TABLES vi i i 



ABBREVIATIONS USED IN THIS REPORT x 



PREFACE 1 



The River 1 



The Conflict 1 



The Study 3 



Acknowledgments 4 



INTRODUCTION 5 



Purpose 5 



Scope 5 



Study Area 5 



METHODS 7 



River Study Sections 7 



Major Bird Studies 7 



Canada Geese 7 



Dabbling Ducks 13 



Common Mergansers and Common Goldeneyes 14 



Bald Eagles 14 



Great Blue Herons 14 



White Pelicans 15 



Other Migratory Bird Studies 15 



Island and Vegetation Analysis 15 



EXISTING SITUATION 17 



Major Bird Studies 17 



Canada Geese 17 



Dabbling Ducks 47 



Common Mergansers 53 



Common Goldeneyes 56 



Bald Eagles 56 



Great Blue Herons 59 



White Pelicans 62 



Double-Crested Cormorants 62 



Other Migratory Bird Studies 63 



Island and Vegetation Analysis 65 



TV 



