Join us near the Playground at the Swim Beach at Lathrop State Park to learn about igneous, sedimentary, and metamorphic rocks with geologist/geophysicist Dr. Heloise Lynn. Then, decorate your own pet rocks. This program is free! Meet at 1 pm near the swim beach playground at Lathrop State Park. Be sure to bring a parent or guardian, and wear clothing that is art-project friendly. Park passes are required on all vehicles entering the park. For questions or more info call Lathrop State Park at (719) 738-2376.