Agricultural / October 15, 2015 This Square Foot This square foot In central Illinois Was once An ancient bedrock river bottom Until the glaciers Ice silted it in. This square… Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Pinterest (Opens in new window)Click to print (Opens in new window) Read more