Charts. Yangtze River, China, Nanking to Tungliu, from British and other surveys to 1913, with additions to 1923 from Chinese Maritime Customs surveys: with inset, Nanking Anchorage, from Chinese Maritime Customs survey in 1921 and 1922, city of Nanking from Japanese plan in 1915; chart 3183. Natural scale 1:158,448 at lat, 31° 45′.