In the case of the Central Pacific, Mercer treated the road as a whole. He does not disaggregate the California portion of the road, which did not need subsidies to be built, from the transcontinental part of the roadNevada and Utah which probably could not have supported itself.
Mercer, Railroads and Land Grant Policy, 99-122.
Mercer, Railroads and Land Grant Policy, 99-118, 227-39.
The per capita figure is from Alexander Klein, "Personal Income of U.S. States: Estimates for the Period 1880-1910," Warwick Economic Research Papers, no. 916, Department of Economics, University of Warwick.
The estimate of Huntington's estate is from James Thorpe, Henry Edwards Huntington: A Biography.
Klein, "Personal Income of U.S. States: Estimates for the Period 1880-1910."
The estimate of Huntington's estate is from James Thorpe, Henry Edwards Huntington: A Biography (Berkeley: University of California Press, 1994), 157.