FOOTNOTES:
[7] The Conservation of Natural Resources in the United States, by Van Hise.
[8] J. B. Ross—"Agrarian Changes in the Middle West."
[9] Secretary of Agriculture, James Wilson at the United States Land and Irrigation Exposition, Chicago, Nov. 19, 1910.
[10] The Rural Life Problem in the United States, by Sir Horace Plunkett.
[11] Dean Chas. F. Curtiss, State College of Iowa.