Isenberg, Destruction of Bison, 140.
Hornaday, Extermination of the American Bison, 440.
H. H. Houston to Saml. Wilkeson, July 1, 1876.
H. Towne to G. Stark, July 3, 1876, July 15, 1876, NP, Secretary, Unregistered Letters, Northern Pacific Railway, M459, r. 35.
Northern Pacific Railroad, Report of the President to the Stockholders at the Annual Meeting, Sept. 21, 1882 (New York: E. Wells, Sackett & Rankin, 1882), 68.
At an average of 28 pounds per hide, this was 8,400,000 pounds or 4,200 tons.
Hornaday, Extermination of the American Bison, 504, 508, 513.
Taylor, "Buffalo Hunt," 41.
Roe, North American Buffalo, 462
Isenberg, Destruction of Bison, 136, 140.
Northern Pacific Railroad, Report . . . 1882, 68.
for freight car capacity,
White, Freight Car, 196-98.