10731. Azores, or Western Isles
1849. Vidal, A. T. E. (Alexander Thomas Emeric), 1792-1863. Depths shown by isolines and soundings. Relief shown by hachures and spot heights. At head of title: Atlantic Ocean. "J. & C. Walker, Sculpt."--Low... [London] : Hydrographic Office of the Admiralty, 1849.