| 1. | The dam is high and long, flanked by earthen wing dams.
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| 2. | The wing dam on the left side was moved downstream into section four.
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| 3. | The United States then built the Red Wing Dam on the Mississippi River.
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| 4. | The wing dams still serve their purpose, but to a lesser extent than before.
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| 5. | On the other hand, fishermen intentionally fish the quieter waters downstream of wing dams.
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| 6. | The action of wing dams is complex.
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| 7. | But the wing dams also proved inadequate and steamboats were not willing to risk the passage.
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| 8. | While wing dams assist in assuring that rivers are navigable, they can also pose a threat to boaters.
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| 9. | Many wing dams are often underwater and may be difficult to see, and can easily be struck by vessels.
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| 10. | Water diversion features can be natural rocks, shaped concrete boulders and wing dams, plastic bollards, wooden dams, or truck tires.
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