World Map showing exploration tracks Capt. Cook & Wilkes 1871 Mitchell large mapMap of the World on the Mercator Projection Exhibiting the American Continent at its centre. (Maps of the world, explorers tracks). Issued c. 1872, Philadelphia by S. A. Mitchell. Large 19th century engraved map of the world, with original hand color. Mitchell maps of this mid century era were issued with a range of color as well as variant decorative borders. This version has the tracks of the explorers Capt. Cook in 1774 80 and the tracks of the U.