Trent Valley Archives presents a walking tour of Little Lake Cemetery featuring stories of Peterborough residents who served during wartime . As you walk through the cemetery, you’ll hear about the lives of people such as Colonel J.W. Miller, who fought at the Battle of Gettysburg; John Roach, who served in the Royal Navy during the Napoleonic Wars, and brothers Harry and Heber Rogers who were both POWs during the Great War.