90J 



U. S. DEPARTMENT OF AGRICULTURE. 



OFFICE OF EXPERIMENT STATIONS— BULLETIN NO. 172. 



A. C. TRUE, Director. 



IRRIGATION IN MONTANA. 



BY 



SAMUEL FORTIER, 



ASSISTED BY 



A. P. STOYEK AND J. S. BAKER. 



NEW YORK 



BOTANICAL 



GARDEN 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



'1906. 



