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.
Meramec River The Meramec River ( ) is one of the longest free-flowing waterways in Missouri, draining 3980 mi2 while wandering 218 mi from headwaters near Salem to where it empties into the Mississippi River near St. Louis at Arnold and Oakville. The Meramec watershed covers