Skeleton map, showing the position and connections of the Michigan Southern Rail Road (from Toledo to Chicago) with the several great rail road routes to the Atlantic seaboard and New York City via the south shore of Lake Erie. Outline map of the northeastern United States showing railroads in operation, under construction, and under proposal. Chartered in 1846 and consolidated April 1855 with the Northern Indiana Railroad under the name Michigan Southern and Northern Indiana Railroad. Jervis, John B. (John Bloomfield), 1795-1885. CREATED/PUBLISHED N[ew] Y[ork], 1850. Scale ca. 1:3,000,000.