...align with the Civil War as a impetus?
Strange, that these surveys happened 7-8 years prior to any talk of secession, let alone Fort Sumter.
The 5th route was the North South route from San Diego to Seattle, connecting the other 4 at various latitudes along the Left Coast.
Would some people involved prefer to use different sources as the primary source of Labor ?
-Irish Labor
-Chinese Labor
-Slave Labor
Which of these 3 groups was more likely to populate the west, after these railroads were functional ?
What would be a more cost effective Labor supply to build these rail lines ?
http://www.cprr.org/Museum/Pacific_RR_Surveys/