The two rivers that partially form the eastern boundary of the United States are the Mississippi River and the St. Lawrence River. The Mississippi River flows southward from Minnesota to the Gulf of Mexico, serving as a significant boundary for several states. The St. Lawrence River, situated in the northeastern part of the country, forms part of the boundary between the United States and Canada.
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.
eastern is the Mississippi river and the west is the rocky mountains
Uarl mountains and the Uarl rivers
The Wabash River forms the southern portion of Indiana's western border. The northern portion of Indiana's western border is simply a straight line marked on the map. The southern border of Indiana is also a river - the Ohio.
The Ural Mountains, The Ural River, and the Caspian Sea
The major rivers in Illinois are the Illinois River, Mississippi River, Ohio River and Wabash River.
Ural Mountains and Ural River
The Illinois River and the Chicago River are two rivers that don't border Illinois.
The Mississippi and Ohio rivers meet at Cairo. Illinois.
I believe that the Mississipi and Ohio Rivers cut through Illinois .
Ohio River