Thomas Cowperthwait and S. A. Mitchell's 1854 map of Peru and Bolivia. The whole is engraved and colored in Mitchell's distinctive style with green border work and vivid pastels. Political and topographical features are noted and color coded with elevation rendered by hachure. Centered on Lake Titicaca, on the Peru-Bolivia border, this map covers the whole of both countries following the South American Wars of Independence. Bolivia at this controlled the Pacific coastline from Atacama to Moro de Aldan, this territory was later ceded to Chile.This map was prepared by S. A. Mitchell for publication by the Philadelphia firm of Thomas Cowperthwait & Co. as plate no. 43 in the 1854 edition of Mitchell's New General Atlas. Dated and copyrighted, 'Entered according to act of Congress in the year 1850 by Thomas Cowperthwait & Co. in the Clerk's office of the Eastern District of Pennsylvania.'