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 River Rollers Muddy River Rollers The Muddy River Rollers (MRR) is a women's flat track roller derby league based in Moncton, New Brunswick. Founded in 2010, the league consists of two travel teams, which compete against teams from other leagues. Muddy River is a member of the Women's Flat Track Derby Association (WFTDA). The league was founded in May 2010 by Carole Maillet, known as "Burn 'N' Rub'Her", and she was soon joined by Trevor Goodwin, "Jesus Take the Wheels", who became the head coach. It was playing bouts by the following year, when its away bout against the Halifax Roller Derby