Charts. Yamagawa Ko, Kiushu, Japan, south coast, from Japanese survey in 1896, scale naut. m. = 2.6 in.; with insets, Isso Harbor, Tokara Gunto [or] Linschoten Is., from Japanese survey in 1873, scale 1000 yds. = 2 in.; and Kuchinoyerabu Bay, Tokara Gunto [or] Linschoten Is., from Japanese survey in 1873, scale 1000 yds. = 2 in.; chart 2174.