The Connecticut River
The southern half of the eastern boundary of Alabama is the Chattahoochee River.
chattahoochee river
Two rivers partially form Illinois State's Eastern boundary. The Wabash River is one river that forms Illinois' boundary. The Ohio River is the other river that forms the state's boundary.
Mississippi
Mississippi
The Mississippi River forms the western boundary of the State of Illinois.
The Mississippi River is the East boundary for Arkansas.
Mississippi River
The river Shannon forms much of the eastern boundary and the River Suck forms much of the western boundary. They are the two major rivers in Roscommon.
Iowa is bordered by the Mississippi River on the east.
The Mississippi River forms the western boundary of Illinois.