CARRABELLE 



I'ST. MARKS 



HHATCHEE 



r "I PRF^FMT DISTRIBUTION (1956) 



ETO^ ADDITIONAL AREA IN 5 YEARS 

 E2SZSI3 ADDITIONAL AREA IN 10 YEARS 



7 FATHOM LINE 



13 FATHOM LINE 



-< CURRENT DIRECTION 



SCALE I ■ 1 = 10 MILES 



Figure 11. —Probable distribution of sponges in 5 and 10 years (from 1958). This figure also shows present distri- 

 bution and the water current pattern. 



25 



