1850. Thomas, Cowperthwait & Co. Covers the southern third of Manhattan and a small part of Brooklyn. "References" on two edges of map. "11."--Upper right margin. From: A new un... (Philadelphia).
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1792. Ellicott, Andrew, 1754-1820. Shows block numbers and proposed government buildings. Relief shown by hachures. Depths shown by soundings. Also covers Georgetown. Watermark: [... (Philadelphia).