---1 . _ 1 . . i--- 
20 , M 40 
KM 
Fig. 7C. The relationship between annual shad catch in the San Francisco 
Bay area and the mean regulated Delta outlflow to San Francisco Bay for 
two running years. Each annual catch is based on a lag outflow period of 
one year after the last of two years of previous Delta outflow (e.g. shad 
catch for 1916 is based on outlfow for 1914-1915). 
2-0 40 6 0 
KM 
Fig. 7D. The relationship between annual striped bass catch in the San 
Francisco area and the mean Delta regulated outflow to San Francisco Bay 
for a period of three running months (April-May-June). Each annual 
striped bass catch is based on a lag outflow period of two years after 
the last spring Delta outflow bo the Bay and for two years previous (e.g. 
striped bass catch for 1917 is based on Apr il-May-June outflow for 1913- 
1915). 
52 
Ton* 
