"Entered according to act of Congress, in the year 1850, by Thomas, Cowperthwait & Co., in the Clerk's Office of the District Court of the Eastern District of Pennsylvania."; Relief shown by hachures.; From the author's A new universal atlas containing maps of the various empires, kingdoms, states, and republics of the world ... -- Philadelphia : C. Desilver, 1856.; Authorship derived from Canal Zone Library map checklist.; Prime meridian: Washington.; Includes inset of "Map of the communication by railroad across the Isthmus of Darien from Victor Bay to Panama."; In lower right margin: 41.; Canal Zone Library map checklist number: 57.
Mitchell, S. Augustus (Samuel Augustus), 1792-1868. (creator)
Charles Desilver (Firm); Thomas, Cowperthwait & Co. (contributor)
1856