Hammond, John T.,approximately 1820-cartographer., Phelps, Humphrey,active 19th century,publisher., and Ensign, T.,active 1838-1840,publisher.
Counties shown in colors. Prime meridian : [Washington]. 'Entered according to act of Congress in the year 1836 by Humphrey Phelps & Bela S. Squire Jr. in the Clerks office in the district court of the southern district of New York.' Insets: Part of Michigan -- Wisconsin Ter'y. -- Missouri. Accompanied by text: Traveller's guide & emigrant's directory, through the states of Ohio, Illinois, Indiana and Michigan. 1 sheet; 44x57 cm folded in binding; 15 cm. Includes 'Table of population.' Scale approximately 1:1,900,000. Drawn & engraved by J.T. Hammond.