A rough outline of the transcontinental Railroad I digitized from a LOC Map. I hope to refine the line and add align it to the major cities.
Citations
G.W. & C.B. Colton & Co, and Union Pacific Railway Company. Map showing the Pacific Railroads and their branches; prepared for the United States Pacific Railway Commission. [New York, 1887] Map. https://www.loc.gov/item/98688758/.