Yellow River (Indiana) larger and joins the Kankakee across the border in Illinois. The Kankakee River joins the Des Plaines River south of Joliet, Illinois, forming the Illinois River. Together they flow the length of the state of Illinois before joining the Mississippi River, north of St. Louis. Main Poc was a warrior and chief among the Yellow River Potawatomi first coming to notice at the Treaty of Greenville (July 1795), which was to bring peace to the frontier. Within a year, Main Poc was leading raiding parties across the Mississippi into Spanish Territory. By 1804, Main Poc and Turkey Foot were raiding
Fox River (Illinois River tributary) near the Fox River included the Potawatomi, Sac, and Fox tribes. The Fox River has 15 dams, including McHenry Dam, which raises the river slightly to maintain depth in the Chain O'Lakes in northern Illinois, and a hydroelectric dam near Ottawa. In the winter, bald eagles can be found nesting along the banks. Early in the history of Illinois, the Fox River provided water for the Illinois and Michigan Canal via a feeder canal, allowing the canal to pass over the Fox River on an aqueduct. In 1996, a flood damaged the Farnsworth House in Illinois, a residence designed by