U.S. Coast and Geodetic Survey ; L.O. Colbert, Director. Depths shown by soundings and lines; relief by hachures and spot heights. 1942 variation c... U.S. Coast and Geodetic Survey.
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United States, Hydrographic Office. From a survey by the U.S. Ex. Ex. [sic] in 1839. Depths shown by soundings; relief by hachures and spot heights. 1940 variation compasses. Shows sm... U.S. Navy Hydrographic Office,.
United States, Hydrographic Office. Compiled from the latest information. Depths shown by soundings. 1935 variation compasses. Includes Tidal Information table. Textual descriptions, ... U.S. Navy Hydrographic Office,.
United States, Hydrographic Office. From a survey by the United States Exploring Expedition in 1841 with additions from British and other sources to 1935. Depths shown by soundings an... U.S. Navy Hydrographic Office,.
Depths shown by soundings; relief by shading, form lines, and spot heights. 1941 variation compasses. Includes navigational notes. Shows shoals, dr... U.S. Coast and Geodetic Survey,.
Depths shown by soundings and isolines; relief by hachures and spot heights. 1937 variation compasses. Includes navigational notes. Covers area fro... U.S. Coast and Geodetic Survey.