Table 3. — Peak population counts on various Kvichaic spavming grounds, 1956-58 

 [(x) indicates scale sample taken; — indicates no survey made] 



""■ Number refers to location in figure 1. 



Table 4. — Scale reading agreement by the two authors 



Year 

 material 

 collected 



Source of 

 material 



Number of 

 scales 

 read by 



both 



Scales read as 



belonging to 



same age 



Number 



Percent 



1956 

 1956 

 1957 



Kvichak River 

 Spawning grounds 

 Spawning grounds 



196 

 117 

 207 



189 

 109 

 199 



96.4 

 93.2 

 96.1 



