Charts. Naikai or Inland Sea, Japan, Ozuchi Jima to Harima Nada, eastern portion of Bi-San Seto, from Japanese surveys 1898-1903, scale naut. m.=1.5 in.; with insets, Takamatsu Ko, scale naut. m.=5 in.; Uno Wan. scale naut. m.=5 in.; chart 2743.