Big Muddy River the sides of hills, exposing coal deposits. The first coal mine in Illinois is believed to have been opened in 1810 on the banks of the Big Muddy in Jackson County. The Big Muddy cuts through the Shawnee Hills south of Murphysboro near the confluence with its smaller tributary, Kinkaid Creek. From there, it runs southward roughly twenty miles and meets the Mississippi directly south of Grand Tower. Near its mouth, a small portion of the Big Muddy acts as the dividing line between Jackson and Union counties. Major tributaries of the Big Muddy include Beaucoup Creek, the Little Muddy
Muddy Run (West Branch Susquehanna River tributary) Muddy Run (West Branch Susquehanna River tributary) Muddy Run is a tributary of the West Branch Susquehanna River in Northumberland County, Pennsylvania, in the United States. It is in length. The creek is several miles northeast of the community of Milton. Main land uses include agricultural land and forest. The area of the creek's watershed is 11.4 square miles, most of which is agricultural land. Muddy Run is entirely within Turbot Township. Most of the rock in the watershed is shale. The most common soil series is the Berks-Weikert-Bedington series. Muddy Run begins in a valley in eastern Turbot Township,