Linked from
The 13 pages that link to Ohio River, each with the reason it gives.
CincinnatiRelated: River access made Cincinnati a growing hub for settlement and commerce.
OhioRelated: The river supplied Ohio’s name and marks much of its southern boundary.
IndianaRelated: It marks Indiana’s southern border with Kentucky.
KentuckyRelated: It forms much of Kentucky’s northern border and connects its river cities.
Eastern United StatesRelated: Its watershed connects eastern states to the Mississippi basin.