Chapter 11: Creative Destruction, footnote 140, page 489 Ch11 fn. 140 p. 489 Tags: Histories and Biographies Cunfer finds an increase in diversified farming on the Great Plains after 1900, stabilizing in the 1920s and then slowly declining. Claire Strom, Profiting from the Plains: The Great Northern Railway and Corporate Development of the American West (Seattle: Univ. of Washington Press, 2003), 13-39. Also Cunfer, On the Great Plains, 76-80, 82, 85.