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 Association drew in a capacity crowd of eight hundred fans. In September 2012, Muddy River competed at the Roller Derby Association of Canada's first Atlantic Canada Roller Derby Championship, beating the Fog City Rollers to win the tournament and qualify for the following year's national championship. Muddy River was accepted as a member of the Women's Flat Track Derby Association Apprentice Program in April 2013, and became a full WFTDA member in October 2014. Muddy River received their first ranking as a WFTDA member with the May 31, 2015 rankings update, debuting at 99 overall. Muddy River Rollers The Muddy