Map of the canals & rail roads of the United States / reduced from the large map of the U.S. by H.S. Tanner ; engraved by J. Knight.Tanner, Henry Schenck, 1786-18581840"Entered according to Act of Congress in the year 1839, by H.S. Tanner of the state of Pennsylvania."Canals are shown in red and yellow. Railway lines shown in blue; proposed lines in green.Copy with canals, railroads colored, and borders colored.Inclucartographic