Big Muddy River Big Muddy River The Big Muddy River is a river in southern Illinois. It joins the Mississippi River just south of Grand Tower. The Big Muddy has been dammed near Benton, forming Rend Lake. The Big Muddy has a mud bottom for most of its length. The Big Muddy drains a watershed. In 1995, water quality was assessed as "fair" to "good". Pollution sources include agricultural practices, mining and municipalities. The watershed of the Big Muddy was covered by the Illinoian Glacier about 300,000 to 132,000 years before present. The Big Muddy basin formed after the retreat of that glacier.
Big Rib River Big Rib River The Big Rib River is a river in central Wisconsin. It originates in northeastern Taylor County at Rib Lake, and flows into Marathon County where it joins the Wisconsin River. "Rib River" is a translation of the Native American name. The Big Rib River flows through Rib Falls then to Marathon City, before it converges into the Wisconsin River at the northeast face of Rib Mountain. The Dells of the Big Rib River, below Goodrich, are believed to be the rapids where Father René Menard disappeared in 1661, which attempting to reach a band of Huron Indians