Relief shown by hachures. From Tanner, H.S.A new universal atlas. Philadelphia : Carey & Hart, 1842. No. 29. Prime meridian: Washington. "Entered according to act of Congress, in the year 1841, by H.S. Tanner ..." Includes table of steamboat routes.: Original version published Philadelphia : Carey & Hart, [1842]; Scale [ca. 1:2,050,000]