"Railroad Map of the United States, Showing the Through Lines of Communication from the Atlantic to the Pacific. Together with the Various Steamship Lines Along the Seaboard", Mitchell, Samuel Augustus
A handsome map showing the country's rapidly expanding railroad network in the later portion of the 19th century. Locates both completed and proposed lines in bold red coloring along with major cities, forts, and mining communities. Steamship routes and time zones provide additional insight.