CO 



LU 



X 

 CO 



3 



CD 



CO 

 Q 



z 

 < 

 co 



3 

 O 



X 



I- 



X 



o 



1- 

 < 



to 



1- -J 



< LlI 



O X 



CD CO 



Lu m 



a. z 



a 



< 



800 

 700 

 6 00 

 500 

 4 00 

 300 

 2 00 

 I 00 

 



I 100 

 1000 



900f- 



800 



200 - 



i 9 50 



1954 



Figure 22. --Surf clam fishery; total catch, catch per unit effort, 

 and fishing effort, 1950-1953 



32 



