blog posts Unique opportunity to learn how Illinois soils have changed over 120 years Mar 16, 2023 3:00 pm by Lauren QuinnDiscovery Share on Facebook Tweet Email Images In a dusty U of I barn that was scheduled for demolition, soil scientist Andrew Margenot discovered a time capsule in the form of thousands of jars of soil from around the state, some dating as far back as 1862. Share on Facebook Tweet Email