Crab Orchard Lake was created when Crab Orchard Creek was dammed in the 1930s for purposes of recreation and flood control .
Crab Orchard Creek is a tributary of the Big Muddy River in southern Illinois .
Crab Orchard Lake was created when Crab Orchard Creek , a tributary of the Big Muddy River in southern Illinois , was dammed in the 1930s for purposes of recreation and flood control .