The Holmes County Historical Society will be hosting an event next weekend on Troyer’s Hollow.  The event, titled “Sculpted by Ice, The Geologic History of Troyer’s Hollow”, will take place Saturday morning, at 9:30am, inside the Keim Conference Center, in Charm.  The featured speaker will be Dr. Terry Lahm, a Holmes County native, who is now a professor of geology and environmental sciences at Capital University.  The event will be free and open to the public.