Dotted line marks the route of the popular Griffith Street coasting course at the turn of the 20th Century. 1) The home of George Carter, cashier for the Eagle Mills in Hannibal. 2) The AME Church on Broadway. 3) The Burkholder Dairy. 4) Whistler’s Greenhouse. 5 “Dreaded” streetcar tracks on Hope Street. 6) Douglass High School. 7) Minnow Branch. 1930s era map of Hannibal.