United States Department of the Interior 

 Oscar L. Chapman, Secretary 

 Fish and Wildlife Service 

 Albert M. Day, Director 



Special Scientific Report - Fisheries 

 No. UO 



SURVEY OF THE COLUMBIA RIVER AND ITS TRIBUTARIES 



PART 7 



Area VI. Snake River from above the Grande Ronde 

 River through the Payette River. 



By 



Zell E. Parkhiirst 

 Fishery Research Biologist 



CONTENTS 



Page 



Introduction 2 



Part 1. Sub-Area Salmon River System 3 



Introduction 5 



List of Streams 6 



The Survey 9 



Table of Obstructions and Diversions 30 



Part 2. Sub-Area Weiser River System 31 



Introduction 32 



List of Streams 33 



The Survey 3$ 



Table of Obstructions and Diversions. ., kh 



Part 3. Payette River System U5 



Introduction ii7 



List of Streams ; k9 



The Survey 50 



Table of Obstructions and Diversions 60 



Part U. Exclusive of Sub-Areas 6l 



Introduction. 63 



List of Streams 6li 



The Survey 68 



Table of Obstructions and Diversions 92 



Literature Cited 95 



