950,000 

 900,000 

 850,000 

 800,000 

 750,000 

 700,000 

 650,000 

 600,000 

 550,000 

 500,000 

 450,000 

 400,000 

 350,000 

 300,000 

 250,000 

 200,000 

 150,000 

 100,000 

 50,000 



ANNUAL DISCHARGE 

 OF STREAM 

 4,202,013. 

 ACRE FEET 



ACRE FEET 



AVAILABLE FOR 



IRRIGATION BY DIRECT 



DIVERSION 



2,637,094. 



55 PER CENT OF 



ANNUAL FLOW 



ACRE FEET 



WHICH MUST 



BE STORED 



1,564,919. 



45 PERCENT OF 



ANNUAL FLOW 



FIG. 104. The need of storing water in reservoirs. (Yakima River.) 



(359) 



