The Edward R. Madigan State Fish and Wildlife Area is a 974-acre (394 ha) conservation area located in the U.S. state of Illinois. It is located south of Lincoln, Illinois. Founded in 1971 as Railsplitter State Park, it was renamed in 1995 in honor of Edward R. Madigan, a former member of the U.S. House of Representatives from the town of Lincoln and a U.S. Secretary of Agriculture. The park is operated by the Illinois Department of Natural Resources (IDNR). (Ref: https://en.wikipedia.org/wiki/Edward_R._Madigan_State_Fish_and_Wildlife_Area)