Charts. Chosen. Chosen (Korea), west coast, Daikokuzan (Mackau) Group to Kakureppi (Clifford) Islands, from latest Japanese and British surveys; with inset, Ochonto Anchorage (Palos Harbor), Conference Is., from sketch survey by U. S. S. Palos, 1887; chart 3238. Scale 1° lat.=17.9 in.