Relief shown by hachures. Depths shown by soundings and isolines. "Entered according to Act of Congress in the year 1845, by E. & G.W. Blunt, in the Clerks office of the District Court, of the Southern District of New York." Historic Maps copy has ms. annotations. Historic Maps copy has label on verso: West Indies. The Great Bahama Bank, with its islands, cays and channels. Sheet 1. 1496.
