Vilka floder rinner ut i Mississippifloden för att bilda system?

| River | Ursprung | Längd (mil) |

|---|---|---|

| Missouri River | Klippiga bergen | 2,341 |

| Ohio River | Pittsburgh, Pennsylvania | 981 |

| Arkansas River | Klippiga bergen | 1,459 |

| Tennessee River | Knoxville, Tennessee | 652 |

| Illinois River | Chicago, Illinois | 273 |

| Wisconsin River | Wisconsin Dells, Wisconsin | 430 |

| Minnesota River | Big Stone Lake, Minnesota | 342 |

| Des Moines River | Estherville, Iowa | 525 |

| St Croix River | Solon Springs, Wisconsin | 169 |

| Black River | Greenville, Missouri | 304 |

| Röda floden i norr | Wahpeton, North Dakota | 549 |