Map of Mexico created by Rand McNally, published in the Mining World newspaper/magazine in 1909.
On map: "Supplement to the Mining World, Chicago, July 3, 1909."
This map was also used in many descriptions of the Mexican Revolution, and exists in other repositories with revolutionary notes.
Probably donated between 1915 and 1930 by James F. Willard (1876-1935), a Professor of History at the University of Colorado.