10 
BULLETIN - 1340, U. S. DEPARTMENT OE AGRICULTURE 
part or all of the flood flow and thus provide an adequate and de- 
pendable supply of water for all needs, from seedtime to harvest. 
With such storage facilities, there would be no necessity to apply 
more water at any one time than the crops require. 
k 
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LOGAN RIVER, UTAH 
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HUMBOLDT RIVER, NEVADA 
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BLITZEN RIVER, OREGON 
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DEC. 
Fig. 4. — Mean monthly flow of typical rivers of the Great Basin 
The storage of water, if carried out generally, serves a double 
purpose in that it provides water for irrigation and also develops 
hydroelectric energy. Part of the energy so created is used to pump 
water from underground supplies and from surface supplies too 
