Left. A study of fingerling mortality 

 was made at the Leaburg Powerfiouse 

 on ttie McKenzie River, Oreg., to 

 determine the need for screens in the 

 river system. 



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Right. The fish screen illustrated is 

 typical of the type of facility in 

 stalled in the John Day River system 

 to protect downstream migrant salm 

 on. Over 400 screens have been 

 installed in this watershed 



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Left. Major fishway construction is 

 very important to the rehabilitation 

 of salmon fisheries of the Pacific 

 Northwest. Fishways, which by- 

 pass impassable barriers such as 

 falls, open spawning grounds to 

 salmon runs in an effort to improve 

 and restore runs of salmon and 

 steelhead in the Columbia River 

 Basin. 



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