Big Muddy River

State: Illinois

Lat/Long: 37.817545, -89.178665

Named Rivière au Vase by the French and later called the Auvase, the Big Muddy River rises in Marion County and flows south by southwest to join the Mississippi River in the southwestern corner of Jackson County.

Barbara Burr Hubbs, Pioneer Folks and Places: An Historic Gazetteer of Williamson County, Illinois (Herrin, IL: Herrin Daily Journal, 1939), 67-68.