CPH to F. H. Gassaway, Oct. 22, 1894, HEH Collection.
In part these are the changes traced in William Cronon, Nature's Metropolis: Chicago and the Great West (New York: Norton, 1991).
Richard J. Orsi, Sunset Limited: The Southern Pacific Railroad and the Development of the American West, 1850-1930 (Berkeley: Univ. of California Press, 2005), 79-81.
CPH to Stanford, Dec. 16, 1871, LB, 1:197, box 1, Hopkins Collection.
Robert A. Sauder, "The Impact of the Agricultural College Act on Land Alienation in California," Professional Geographer 36 (1984): 28-39.
Khaled Bloom, "Pioneer Land Speculation in California's San Joaquin Valley," Agricultural History 57 (July 1983): 297-307.
David Lavender, The Great Persuader: The Biography of Collis P. Huntington (Niwot: Univ. Press of Colorado, 1998), 49, 140, 167.
David Igler, Industrial Cowboys: Miller and Lux and the Transformation of the Far West, 1850-1920 (Berkeley: Univ. of California Press, 2001), 10-12, for speculators 65-83.