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General Note: |
Because of their numbers and size, migrating waterfowl constitute a potential hazard to aircraft. Along the Mississippi Flyway, waterfowl traffic are among the heaviest in the United States. Because waterfowl migrate along definate flight routes and within a certain "fixed" chronology, the times and places of their passage can be predicted within certain limits. This report is concerned primarily with the Mississippi Flyway. |
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Bibliography Note: |
References cited: pages 68-69. |