76 THE IRRIGA 1 1 ON A GE. 



C. B. Booth read a paper prepared by Harrison Gray Otis of Los 

 Angeles, Cal., on the "Reclaimation of Arid America." Frederick H. 

 Newell, hydrographer of the United States Geological Survey, in an. 

 illustrated lecture told of "Our National Irrigation Resources." 



J. B. Whittemore explained the primitive irrigation of the Pima 

 Indians in Arizona, and Milton Whitney, of the United States Depart- 

 ment of Agriculture, spoke on "Alkali and Its Remedies." Alexander 

 H. Rev ell delivered an address on "The Grandest Opportunity in the 

 Pathway of Nations." 



