1873. Relief shown hachures and spot heights. Depths shown by soundings.; Selected lights hand colored in yellow and red.; Includes 2 inset maps and 6 vi... Hydrographic Office, Admiralty (London).
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1873. Vidal, A. T. E. (Alexander Thomas Emeric), 1792-1863. Large corrections Mar. 73.; Relief shown by hachures, soundings, and spot heights.; Includes 6 cross sections and 6 insets: Caldeira of Graciosa --... Hydrographic Office (London).