An oral presentation of the history of the Illinois & Michigan Canal Corridor will be given at 10 a.m. Saturday, Oct. 13, at Buffalo Rock State Park. Learn the history behind the land that came to be known as the Heritage Corridor, how the I&M Canal came to be and why the route it takes was chosen. The presentation will be at the park office. For additional information contact, Jacob Maskel at 815-433-2224.