Poor's statistics are often mutually contradictory from table to table, but they are still the best available source for these years.

Adams to S. R. Callaway, Dec. 1, 1884, UP, PO, OC, vol. 24, ser. 2, r. 21.

Adams to Hoyt, Feb. 4, 1885, UP, PO, OC, vol. 27, ser. 2, r. 23.

Adams to Joseph Richardson, Aug. 6, 1885, UP, PO, OC, vol. 29, ser. 2, r. 25.

Arthur M. Johnson and Barry Supple, Boston Capitalists and Western Railroads: A Study in the Nineteenth-Century Railroad Investment Process (Cambridge: Harvard Univ. Press, 1967), 273-76.

Testimony of Charles Francis Adams, PRC, 1:85.

For construction, Poor, Manual, 1886, ii.

Poor, Manual, 1880, v.

Poor, Manual, 1885, iii-v, x, xii-xiii.

For revival, Adams to Colgate Hoyt, Nov. 5, 1885, UP, PO, OC, vol. 30, ser. 2, r. 26.

for Mexico, John Mason Hart, Empire and Revolution: The Americans in Mexico Since the Civil War (Berkeley: Univ. of California Press, 2002), 121.