THE 



VOL. xxv 



J 



TITLE REGISTERED U.S.PATENT OFFICE 



N29 



II CHICAGO. JULY, 1910 II 



The Eighteenth National Irrigation Congress 

 Pueblo, Colorado, Sept. 26th to 3oth, 1910 



t. \ 



THE IRRIGATION AGE COMPANY, Publishers 



CHICAGO, ILLINOIS 



