[MAP]. ATWOOD, J.M. Ensigns & Thayer?s Map of the Western States [cover title]; or, Ensigns & Thayer?s Traveler?s Guide Through the States of Ohio, Michigan, Indiana, Illinois, Missouri, Iowa, and Wisconsin. New York: Ensigns &Thayer & Co., 1848. 16mo. 32pp. text, engraved folding map (533 x 673 mm), hand?colored. (A bit shaved at the top, few spots of browning, some splits at folds). Encased within original red straight?grain morocco pictorially stamped in gilt (light rubbing at ends, tiny hole to lower joint). Provenance: Judd & Murray?s (early bookseller?s ticket). FIRST EDITION of this rare pocket map that depicts various railroads, canals, and stage and steamboat routes through the midwestern states. Along the foliate border, four vignettes are shown at each corner showing early views of Chicago, Detroit, St. Louis and Cincinnati. This 1848 edition is not listed in Howes and to our knowledge has not appeared at auction. Howes E?165 (1849 edition).