United States, Hydrographic Office. From Japanese surveys to 1933 with additions from other sources to 1935. Depths shown by soundings and tints, relief by contours and spot heights. ... U. S. Navy Hydrographic Office,.
United States, Hydrographic Office. From Japanese surveys to 1929 with additions to 1943. Depths shown by soundings and tints, relief by contours and spot heights. 1940 magnetic varia... U. S. Navy Hydrographic Office,.
United States, Hydrographic Office. From Japanese surveys to 1937 with additions and corrections 1943. Depths shown by soundings and tints, relief by contours and spot heights. 1945 m... U. S. Navy Hydrographic Office,.
United States, Hydrographic Office. From Japanese surveys to 1937; the portion in hairline and soundings in slanting figures are from a smaller scale chart. Depths shown by soundings ... U. S. Navy Hydrographic Office,.
United States, Hydrographic Office. From Japanese surveys to 1932. Depths shown by soundings, relief by contours and spot heights. 1940 magnetic variation compass. Shows depths, shoal... U. S. Navy Hydrographic Office,.