Mississippi River
The Mississippi River forms the wavy western border of Illinois. And the Ohio Wabash River is the southern border of Illinois.
There are no deserts that border Mississippi.
Mississippi is southeast of Missouri and does not border Missouri.
The two main waterways in the midwest are the Mississippi and Missouri Rivers.
Indiana does not border Mississippi.
The Mississippi River forms Arkansas's eastern border. Tennessee and Mississippi border Arkansas on the east. Lake Chicot is located in Arkansas near the Arkansas-Mississippi border.
No Colirado border is marked by natural features.
Niagra falls
The Great Lakes
Mississippi River
The border between Mississippi on the west and Arkansas on the east is the Mississippi River. It also forms the border between Arkansas and Tennessee.
Tennessee, Arkansas, Mississippi and Louisiana border the Mississippi River, but it depends where you consider the Mississippi starting. Some say Minnesota is on the Mississippi too.