Relief shown by hachures. Prime meridians: Washington and Greenwich; Publication: New Haven : N & S.S. Jocelyn; From An atlas of the United States, on an improved plan; consisting of ten maps , with a complete index to each, and a general map of the whole country, By Sidney E. Morse
Ohio and Indiana map , hmap1823o4, Hargrett Rare Book and Manuscript Library, The University of Georgia Libraries.