1850 map of the Illinois Central Railroad and New Orleans and Ohio Railroad (which became part of the IC) from [1]. Also shows the Mobile and Ohio Railroad, later part of the Gulf, Mobile and Ohio Railroad. Also shows the proposed "Western District of Columbia" where the two lines would meet, including Metropolis, Illinois and the never-built Capitol City, Kentucky.
{{PD}} 1850 map of the Illinois Central Railroad and New Orleans and Ohio Railroad (which became part of the IC) from [http://memory.loc.gov/cgi-bin/query/r?ammem/gmd:@field(NUMBER+@band(g4041p+rr004740))]. Also shows the Mobile and Ohio Railroad, later p