I9S0 S2 



*A 68 70 



Figure 2. — Price spreads for fresh haddock fillets. 1950-71. 



I9S0 S3 34 16 Sa 60 6J 64 66 6> TO 



Figure ?i. — Price spreads for fresh flounder fillets. 1950-71. 



Figure 5. — Price spreads for frozen ocean perch fillets, 

 1950-71. 



I9SS S3 S4 S6 SB 60 63 64 66 68 70 



Figure 4. — Price spreads for fresh cod fillets, 1950-71, 



I9S0 S] 54 



68 TO 



Figure h. — Price spreads for halibut steaks, fresh and frozen. 

 1950-71. 



Figure 7. — Price spreads for fresh 

 king salmon steaks, 1967-71. 



