United States Department of the Interior 

 Oscar L. Chapman, Secretary 

 Fish and Wildlife Service 

 Albert M. Day, Director 



Special Scientific Report - Fisheries 

 No. S7 



SURVEY OF THE COLUMBIA RIVER AND ITS TRIBUTARIES 



4» Area III Washington streams from the Klickit&t 

 and Snake Rivers to Grand Coulee Dam, with notes 

 on the Columbia and its tributaries above Grand 

 Coulee Dam. 



By 



Floyd G. Brj-ant and Zell E. Parkhurst 

 Fishery Research Biologists 



CONTENTS 



f^ge 

 Introduction ••••••• •.••ooc..*e«*o»*oa9 2, 



Part 1. Area III Exclusive of Sub-Areas ••••••ceooo S 



List of Streams. ........... .••••o*.». a II 



The Survey .. ........o...*12 



Part 2, Sub-Area Yakima River Systemo •.a»«e.a.oo»16 

 List of Streams • ..e.ool7 



The Survey . ...•e.a..*...o.o.oo30 



Table of Obstructions and Diversions .. oooo44 



Part 3. Sub-Area Wena tehee and Entiat River Systems . . . • . 66 

 Ijis t 01 otreamis ...o..eo«.o«oo««.o.oooo tDb* 



i^ne OUI*Vey ••.•oo.o..ee«o.o*»»eottO.«C}jL 



Table of Obstructions and Diversions o......«oooe"£ 



Part 4. Sub-Area Methow and Okanogan River Systems. « « » <> » 80 



I4IS T> OX O wZTOCUHS •• ••ooe««*oo»e««oooooooC'0 



The Survey ........ a,o...84 



Table of Obstructions and Diversions ........o.ocS'i' 



Part 5. Notes on the Columbia River and its Tributaries 



above Grand Coulee Dam. .oo«...o.oo.oo99 



