Atlantic, Mississippi & Ohio Railroad Company. A map showing the Atlantic Mississippi & Ohio R.R. and its connections from Norfolk to Cumberland Gap via Bristol. Map of the eastern half of the United States shows drainage, counties, cities and towns, canals, railroads, and a table of railroad distances. Inset: Plan showing the Atlantic Mississippi & Ohio R.R. as part of the Great Southern R.R. lines from the Atlantic to the Pacific. G.W. & C.B. Colton & Co.