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The New DU. Reply #11: Locks and dams along the Mississippi River
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XemaSab
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Fri Dec-09-05 04:00 PM
Response to Reply #2 |
| 11. Locks and dams along the Mississippi River |
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have cut off a lot of the natural sediment flow that replenishes the barrier islands.
They're having the same problem in the Nile Delta too. The heavy, wet sediments in the delta want to sink, and it's only fresh material that keeps the area from vanishing.
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