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by ⚡Survenator⌁ An 1846 map "Published under the Superintendance of the Society for the Diffusion of Useful Knowledge". The S.D.U.K. produced a number of atlases and maps for journals during the 19th Century. This map "North America XIV Florida" is part of a set of 15 maps of Eastern North America. It was published by different printers between 1833-1874 . The Univ. of Florida 1846 copy was printed in London by Charles Knight & co. The engraving was done by J & C Walker.
by Jaybird Manhattan, NY Aerial survey of borough in 1921. View map and other historical NYC maps here: http://homepage.ntlworld.com/keir.clarke/leaflet/time.htm
Maps by Kier Clark of Google Maps Mania