Ohio River course forms the northern borders of West Virginia and Kentucky; and the southern borders of Ohio, Indiana and Illinois, until it joins the Mississippi River at the city of Cairo, Illinois. Where the Ohio joins the Mississippi is the lowest elevation in the state of Illinois, at . The Ohio River, which flows westward from Pittsburgh, Pennsylvania, to Cairo, Illinois, is the largest tributary, by volume, of the Mississippi River in the United States. At the confluence, the Ohio is considerably bigger than the Mississippi. Measured by long-term mean discharge in cubic feet per second and cubic meters per second,
Muddy River Opera Company "Noye's Fludde", "The Toy Shop" as well as works by Seymour Barab: "Chanticleer" and "Little Red Riding Hood". Muddy River Opera Company Located in Quincy, Illinois, the Muddy River Opera Company was founded by Mary Anne Scott and Mary Jane McCloskey in 1989 as a non-profit arts organization. The company was incorporated in 1990. Scott and McCloskey had two goals in mind: to make professional operatic performances and educational opportunities available to the tri-state area. In keeping with the mission of its founders, the company consistently produces two to four operas a year. For several years, most MROC productions of