Lisa Haderlein

Conservationists Work To Preserve 400-Year-Old Oak TreeConservationists are working to preserve and shelter a 400-year-old white oak, found in an untouched area just south of Harvard, Ill., near the Wisconsin state line.

More From CBS Chicago

Super Bowl 50 Coverage
Daily Weather Reports Delivered To You!SIGN UP NOW: Get daily weather reports every morning from meteorologist Steve Baskerville!

Listen Live