From Chinese Government surveys from 1931 to 1934 (Outside soundings in slanting figures, and islands in light lines near lower border of the chart, are from older British surveys) ; published Oct. 1910, at the Hydrographic Office, under the authority of the Secretary of the Navy. Depths shown by soundings and tints; relief by form lines and spot heights. 1935 variation compasses. Inset chart, tidal information table, buoy legend. Shows low water areas, islands, drainage, lights, buildings, town roads. Descriptive text, such as "salt pans," "numerous irrigration creeks," "walled town." No. 2546. [Inset chart, Scale 1:25,000] Wenchow Port / From a Chinese Government survey in 1931