| Answer | Crossword Clue |
|---|---|
| OHIO | Tributary of the Mississippi. |
| RED | Tributary of the Mississippi. |
| REDRIVER | Tributary of the Mississippi. |
| IOWA | Tributary of the Mississippi. |
| YAZOO | Tributary of the Mississippi |
| RED | ... River, tributary of the Mississippi. |
| REDRIVER | Great tributary of the Mississippi. |
| WHITE | Arkansas tributary of the Mississippi. |
| ARKANSAS | Major tributary of the Mississippi |
| OHIO | Mississippi tributary |
| SAUK | Mississippi tributary. |
| OHIO | Mississippi tributary. |
| YAZOO | Mississippi tributary |
| OHIORIVER | Mississippi tributary |
| YAZOO | Mississippi tributary in Mississippi |
| OHIO | Mississippi River's largest tributary |
| YAZOO | Mississippi tributary named by La Salle |
