Illinois River 20 miles (32 km) of its course, the Illinois is separated from the Mississippi River by only about five miles, by a peninsula of land that makes up Calhoun County. The Illinois joins the Mississippi near Grafton, approximately 25 miles (40 km) northwest of downtown St. Louis and about 20 miles upstream from the confluence of the Missouri River and the Mississippi. South of Hennepin, the Illinois River is following the ancient channel of the Mississippi River. The Illinoian Stage, about 300,000 to 132,000 years ago, blocked the Mississippi near Rock Island, diverting it into its present channel. After the
Muddy Run (Maurice River tributary) Known as Indian Head. Inden Head Was Named Due To The Numerous Arrow Heads Found At That Location and it Was Also Known As A Tribal Meeting Location For The Various Native American Indian Tribes MManitaco Manumuskin That Traveled These River Highways in Early America. Also Is Rainbow Lake NJ Landis Avenue Vineland To Bridgeton NJ Rt 56 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