u 



X = l.40 Rio del Mar 

 14 June 1972 



12 r 



8 - 

 4 - 



- 



X=l.40 Rio del Mar 

 29 June 1973 



■ ■ ■ I ■ F 



X=8.60 Monterey Boy 

 Academy 

 12 July 1972 



X=6.65 Monterey Boy 

 Academy 

 I July 1973 



16 r 



12 - 



Sunset State 

 X=5.65 Beacti 



29 June 1972 



60 80 100 



Size of Clam (mm.) 



120 



140 



Figure 2. Size- frequency distribution of Pismo clams at 

 selected beaches, 1972 and 1973. 



13 



