The Ohio River begins in Pittsburgh, Pennsylvania at the confluence of the Allegheny River and the Monongahela River, extending roughly 900 miles downstream and ending in Cairo, Illinois. It is the largest tributary of the Mississippi River on the basis of volume. Throughout time, the Ohio River has been called many names by different civilizations. The Shawnees called it Spaylaywitheepi, the Miami tribes- Causisseppione, the Delawares- Kitonosipi, the Spanish- Dono and Albacha, and the French- La Belle Riviére, meaning “the beautiful river.” It was called the "River Jordan" by slaves escaping to freedom in the North using the Underground Railroad in early 1800s.…