Philadelphia: Thomas, Cowperthwait & Co. 1846. unbound. Map. Engraving with original hand coloring. Image measures 12.25" x 15.25" very good.
Map of the north eastern portion of South America. Shows what is now known as Colombia as New Granada. Includes an inset of a "Plan of a proposed communication between the Atlantic & Pacific Oceans." Crease at lower left corner. Thomas, Cowperthwait & Co. took over publication of S. A. Mitchell's important "Universal Atlas" in 1850, and continued to produce updated maps that were considered some of the best commercial cartography of the 19th century.