In general, spring chinook spawn 

 in the smaller, more remote tribu- 

 taries, and summer chinook spawn in 

 the lower main tributaries. Fall chinook 

 spawn in the main Columbia River. 

 Blueback salmon spawn in that part of 

 the Okanogan located in Canada, from 

 Liake Vaseaux to Lake Osoyoos. 

 Scatterings of blueback were also found 

 in the £ntiat, Methow, andSimilkameen 

 Rivers. 



LITERATURE CITED 



FISH, FREDERIC F., AND MITCHELL 

 G. HANAVAN. 

 1948. A report upon the Grand Cou- 

 lee fish-maintenance project 



1939-1947. U. S. Fish and Wild- 

 life Service, Special Scientific 

 Report No. 55, November, 

 63 pp., Washington, D. C. 



TALBOT, G. B. 



1950. A biological study of the ef- 

 fectiveness of the Hell's Gate 

 fishways. International. Pacific 

 Salmon Fisheries Commission, 

 Bulletin III, Part 1, pp. 3-80. 

 New Westminster, B. C, Can- 

 ada. 



WASHINGTON STATE DEPARTMENT 

 OF FISHERIES. 

 1899- 19Z0. Annual Report of State 

 Fish Conunissioner. Olympia, 

 Washington. Various paging. 



15 



GPO (0ZS34 



