Charts. Shimoda Ko and approaches, Honshu, south coast, Japan, from Japanese surveys in 1922 and 1926, scale naut. m.=2.1 in., natural scale 1:35,000; Shimoda Ko, from Japanese survey in 1926, scale naut. m.=4.9 in., natural scale 1:15,000; Minato Byochi, from Japanese survey in 1922, scale 1000 yds. =3.6 in., natural scale 1:10,000; chart 2189.