What river borders Indiana and Illinois?
Also question is, what river is the western border of the state of Illinois?
Similarly, which river forms part of the borders of Ohio Indiana and Illinois? Ohio River
Consequently, which rivers are a part of Florida's borders?
Perdido River, historically Rio Perdido (1763), is a 65.4-mile-long (105.3 km) river in the U.S. states of Alabama and Florida; the Perdido, a designated Outstanding Florida Waters river, forms part of the boundary between the two states along nearly its entire length and drains into the Gulf of Mexico.
Where does the Illinois River flow into?