Southern Illinois the Ozarks of Missouri, is chiefly in southern Jackson, Union, northern Alexander and Johnson counties. The eastern area, more closely related to the Wabash Valley Seismic Zone, is mostly in northern Pope, southern Saline, Gallatin, eastern Johnson and southern Williamson counties. The Shawnee National Forest covers a large territory, including seven wilderness areas: Garden of the Gods, Bay Creek, Clear Springs, Bald Knob, Burden Falls, Lusk Creek, and Panthers Den. Of southern Illinois' rivers, only the Mississippi and the Ohio are navigable for modern commerce. The Big Muddy River, Marys River, Saline River and Cache River run their courses in
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