Outline map of the United States and Middle America showing proposed routes of the Pacific Rail Road and its branches in connection with the various systems of existing and unfinished rail roads from the Mississippi Valley to the Atlantic and Gulf coasts.
Steiger, W. T.; United States. General Land Office
1854
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/98688319/">https://www.loc.gov/item/98688319/</a>