ConestogaDepth: 30 ft. Built: 1878. Sunk: May 22, 1922. photo credit: Ali Kokulu photo credit: Daniela Menegon Rothesay Steamer Paddlewheeler Built 1867 Sunk 1889 Length 193 ft. Depths to 30 ft. photo credit: Ali Kokulu Wee HawkDepth: 15-20 ft.