Next year, on December 3rd, Illinois will be exactly 200 years old. And to commemorate the bicentennial, WSIU is airing a series of stories featuring the many unique aspects of the state. WSIU's Kevin Boucher sits down with officials with the U.S. Forest Service to learn more about a unique feature of the state---a feature of the prairie state that surprises many who think of flat cornfields stretching as far as the eye can see.And this story also shows how the work of one man, Colonel L.O. Trigg, laid in motion the groundwork for what would eventually become the Shawnee National Forest.