CONTENTS 



Page 



Introduction 1 



Sannpling areas 2 



Kvichak Rive r 2 



Spawning grounds 2 



Sampling methods 2 



Kvichak River sampling 2 



Spawning ground sampling 2 



General methods 4 



Freshwater age composition of Kvichak River and spawning ground 



samples 4 



Discussion of results 6 



Kvichak River sampling 6 



Spawning ground sampling 7 



1956 samples 8 



1957 samples 8 



1958 samples 8 



C onclus ions 9 



111 



