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 Run (Maurice River tributary) Muddy Run (Maurice River tributary) Muddy Run is a tributary of the Maurice River in southwestern New Jersey in the United States. It flows in a generally southeastern direction through southern Gloucester County. Muddy Run (Maurice River) (section) Begins at Palatine Lake and next Travels South East To Cenertion Lake. Then on To Parvin State Park and Parvin Lake. All Are In Salem County Including, The Last Lake in The Muddy Run Chain. is Known As Rainbow Lake. Approximately 3 More Miles South, it Joins into The Maurice River, Where it Also Passes Into Cumberland County at A Place Long