Map shewing [sic] the several routes, examined with a view to the extension of the route of the Baltimore & Ohio Rail-Road through north western Virginia from the Potomac to the Ohio river; as well as the different railways and canals completed and projected within that state,–and also the various lines of improvement existing and proposed between Cincinnati on the Ohio and Richmond, Baltimore, Philadelphia, New York and Boston on the Atlantic coast. CREATED/PUBLISHED [n.p., 184-] Scale ca. 1:2,000,000.