With more than 180 years worth of research and data at its disposal, the ODNR Division of Geological Survey is an excellent source for publications, maps, and educational materials that cover a wide range of earth science topics. We provide educators with products and services that offer students exciting opportunities to learn about Ohio’s geology. These range from hands-on activities to talks and interactive experiences with professional geologists, toclassroom-based inquiries. Many of our materials are available free as downloads from our website. Explore the links below to learn more.