The Mobile River

Wabash River, the largest and longest river in Indiana and the largest of the Ohio River's tributaries from the north. The river is 475 miles (764… See more » Platte River, a river in Nebraska. It begins in west-central Nebraska at the junction of the North and South Platte rivers, whose sources are in the… See more » , a major tributary of the Mississippi River. From its source in the Rocky Mountains in central Colorado, the Arkansas flows generally southeastward… See more »