EAI-Mouth of Columbia R. thru Klickitat R.Wash. 

 AREA I-Mouth of Columbia R. 1 

 ^REAm- Above Klickitat R. to Grand Coulee Di 

 AREAE-Deschutes R. to Snoke R. 

 AREA IT- Snake R., mouth thru Grande Ronde R. 

 ARE ATZI- Snake R., above Grande Ronde R. thru Payette R. 

 AREASH-Snake R., above Payette R. to Upper Salmon Falls 



COLUMBIA RIVER SYSTEM 



SCALE 



50 SO 10 



Figure 1. --Columbia River System 



