< 



> 

 CC 

 < 



cc 

 t 

 m 

 cc 

 < 



o 



cc 



LU 

 LU 



I 



<2 



LU 



I 



3.4 H 



3.2 - 



3.0- 



2.8- 



2.6- 



2.4 - 



2.2- 



1970 



Figure 59. Annual tidal levels at Eugene Island, Louisiana, 1940-1970 

 (from Day et al . 1973). 



141 



