Table 6. Nvimber of dead chinook salmon and steelhead trout 

 seen floating in the Columbia River near Cape i^rn 

 (approxiraately 13 miles below Bonneville Dam) 

 durinf; the period September 10-19, 1946, 



Totals 



52-7/12 



11 y 



31/ 



1/ The averaf,e number of dead chinook salmon seen per hour during this 

 "" period was 0.209 and the average number of dead steelhead trout seen 



per hour was 0.057; the average for both species was 0«266 per hour. 



This would average 6.4 fish per day. During this period, 16 to 18 



sturgeon fishermen between Bonneville and Cape Horn were using 10 to 



20 dead salmonoid fish per day for bait. 



En route to Cape Horn and during the subseauent return trip to the 

 dam, the observers picked up a few beached dead fish. These are recorded 

 in Table 7. 



Table 7. Number of dead chinook salmon and steelhead trout found 

 floating in the river or beached on the Washington 

 shore betv;een Bonneville Dam and Cape Horn during the 

 period September 10-lS, 1946 



Date 

 1946 



Chinook salmon 



Steelhead trout 



Sept. 10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 





 Z 

 6 

 

 

 

 2 

 1 

 





 

 1 

 1 

 

 

 

 

 



Totals 



11 



18 



