Sabine River
The Potomac River forms most of Maryland's western boundary.
yes
The Mississippi River
Please rephrase - the question is unclear.
Tennessee is separated from Missouri and Arkansas by the Mississippi River.
The Connecticut River, which flows into Long Island Sound.
The Mississippi River forms the western boundary of Tennessee.
The Ohio River forms the borders of West Virginia, Ohio, Kentucky, Indiana, and Illinois. The border terminates at the confluence with the Mississippi and the border with Pennsylvania.
The Rio Grande
The Colorado River.
The Ohio River forms the southern borders of Ohio and Indiana.
Mississippi river