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The Mississippi-Missouri-Red Rock River system is North America's largest river system and is the fourth longest river system in the world, after the Nile, the Amazon, and the Yangtze. The Mississippi has a flow volume of 593,000 cubic feet per second at its mouth.

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10y ago
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11y ago

The Missouri/Mississippi system is the largest and most important.

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14y ago

Jefferson-Missouri-Mississippi

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13y ago

Mississippi

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Q: What is the largest and most significant river system in North America?
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