JHH FEB MHR RPR nmr 



1980 



JUN 



nuo scp ocr no\^ cec 



HECKS 



Figure 25. Water visibility, 1980, for the 

 seaward end of the FRF pier 



JRN-MfIR 80 

 RPR-JUN 80 

 JUL-5EP 80 

 OCT-DEC 80 

 FINNURL 80 



"I 1 1 — I I I I l| 1 1 1 — I I I M I 



10' 10' 



PERCENT GRERTER THRN INDICRTED 



Figure 26. Distribution of visibility measurements, 

 1980, at the FRF 



64 



