Figure l.—Hatcheries located on Columbia River and tributary streams between Bonneville Dam and The Dalles Dam 



IMS 4fi 4T 



49 M SI S2 i» i* n se 9T 9B )9 £0 



Figure 2.--Adult fall chinook salmon annual counts, 

 Bonneville Dam, and reairns to hatcheries, 1945-60 



1945 «6 4T 48 49 50 51 5! 55 54 55 56 57 58 59 60 



JFigure 4. --Fall chinook salmon annual fry-fingerling 

 releases, Bonneville Dam pool area, 1945-60 



Amna* 164% _ 



l»45 4C 4T 4« 4* 50 5< 5i 95 54 55 56 57 58 59 60 



Figure 3.--Adult fall chinook salmon annual returns to 

 hatcheries shovm as percent of Bonneville count, 

 1945-60 



Individual hatcheries listed in table 4 are 

 described separately as follows: 



Spring Creek National Fish Hatchery, 

 Washington 



Spring Creek National Fish Hatchery was 

 established about 1900 and greatly expanded 

 in 1953 (fig. 6). The station secures all of its 

 water for operation from a natural spring. By 

 use of eggs from Big White Salmon River a 

 very successful run of fall chinook salmon has 

 been created. This station exceeds all other 



