United States, Hydrographic Office. From French surveys in 1869 and 1885. depths shown by soundings; relief by form lines and spot heights. 1935 variation compasses. Includes 2 profil... U.S. Navy Hydrographic Office,.
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Great Britain, Admiralty. and United States, Hydrographic Office. from the Netherlands Government survey, 1908-9, with corrections to 1926 ; emergency reproduction of B.A. chart - April 1943. Depths shown by sound... Admiralty Hydrographic Office,.
Great Britain, Admiralty. and United States, Hydrographic Office. from the Netherlands Government survey, 1909-1926, with corrections to 1927 ; emergency reproduction of B.A. chart - April 1943. Depths shown by so... Admiralty Hydrographic Office,.
84. Asia
United States, Hydrographic Office. From Chinese Government surveys from 1931 to 1934 (Outside soundings in slanting figures, and islands in light lines near lower border of the chart... U.S. Navy Hydrographic Office,.
85. Asia
United States, Hydrographic Office. From British surveys between 1898 and 1903 ; published Feb., 1916, at the Hydrographic Office, under the authority of the Secretary of the Navy. De... U.S. Navy Hydrographic Office,.
United States, Hydrographic Office. From Chinese I.M.C. Service and Japanese surveys between 1904 and 1909 (with extensive corrections by the Lower Liao River Conservancy Engineers, 1... U. S. Navy Hydrographic Office,.
United States, Hydrographic Office. Depths shown by isolines and soundings. Relief shown by shading and spot heights. "Soundings in fathoms, heights in feet." Indicates mud, sand, she... United States Hydrographic Office.
United States, Hydrographic Office. From British surveys to 1915 ; published Apr. 1892, at the Hydrographic Office, under the authority of the Secretary of the Navy. Depths shown by s... U.S. Navy Hydrographic Office,.
Japan, Kaijō Hoanchō., Suirobu. Depths shown by soundings; relief by hachures and spot heights. 1918 variation compasses. Shows shoals, currents. Map text in English; otherwise in... [Japan Hydrographic Department],.
O.H. Tittmann, Superintendent. Hachure relief with depths shown by soundings and spot-shading. 2 profile views, lights and lights vessels tables, b... U.S. Coast and Geodetic Survey,.