I9S0 il 54 S6 SB 60 61 



Figure 8. — Price spreads for canned pink salmon, 

 1950-65. 



Figure 9. — Price spreads for fresh dressed king salmon. 

 1950-71. 



I9J0 S3 54 S6 SS 60 63 64 66 66 70 



Figure 10. — Price spreads for canned tuna (chunk). 1950-71. 



Figure 1 1 . — Price spreads for frozen raw 

 peeled shrimp. 1959-71. 



Figure 12.— Price spreads for live 

 .American lobster. 1959-71 



