Chapter 1: Genesis, footnote 4, page 3 Ch1 fn. 4 p. 3 Tags: Pure Citation, Histories and Biographies, Spatial Relations Vance, North American Railroad, maps 114-15. George Rogers Taylor and Irene D. Neu, The American Railroad Network, 1861-1890 (Cambridge: Harvard Univ. Press, 1956), 11-14, 35-41, 53-54.
