Discover the fascinating geology of Missouri, with a special focus on the Hannibal region. Join Alan Ruble, mining engineer and local geologist, to learn about the ancient forces that shaped Missouri. Having worked for the Continental Cement Company for 25 years, Alan knows a lot about our local limestone and how it’s been used all over the world. This program combines science, history, and Alan’s unique experience to illuminate the connections between the earth beneath our feet and the community around us. Make reservations at www.hannibalparks.org