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Upper Mississippi River

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Floodplain Forests of the Upper Mississippi River

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Flood on Upper Mississippi River

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The Staircase: Locks and Dams on the Upper Mississippi River

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Upper Mississippi River Time Lapse Hastings, Minnesota to Treasure Island Casino

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Headed up the Upper Mississippi River

The Upper Mississippi River is the portion of the Mississippi River upstream of Cairo, Illinois, United States. From the headwaters at Lake Itasca, Minnesota, the river flows approximately 2000 kilometers (1250 mi) to Cairo, where it is joined by the Ohio River to form the Lower Mississippi River.
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  • River location facts 

  • Tributaries 

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