Willard, Illinois is home of the second-largest drainage system on the North American continent which goes on for how many miles?
Willard, Illinois Willard is an unincorporated community in Alexander County, Illinois, United States. Willard is located in southwest Alexander County near the Mississippi River.
West Fork River The West Fork River is a principal tributary of the Monongahela River, 103 miles (166 km) long, in north-central West Virginia in the United States. Via the Monongahela and Ohio Rivers, it is part of the watershed of the Mississippi River, draining an area of 881 square miles (2,284 km²) on the unglaciated portion of the Allegheny Plateau.