Charts. 6529. Kankô Wan (Hamhŭng Man), Tyôsen (Korea), east coast, survey of Imperial Japanese Navy, 1908, with additions from other sources to 1932; Seikosin Kô (Sŏhojin Hang), complied from surveys of Imperial Japanese Navy, 1908, and Government General of Tyôsen, 1926, with additions from other sources to 1932.