INTRACOASTAL WATEffWAY 



6 SALINITY IN PPT 



Figure 3-84. High salinity survey, Southwest Pass open, Vermilion Bay 

 (after U.S. Army Engineer Waterways Experiment Station, 

 1959). 



1TRAC0ASTAL WATERWAy. 



8 SALINITY IN PPT 



Figure 3-85. High salinity survey. Southwest Pass closed, Vermilion Bay 

 (after U.S. Army Engineer Waterways Experiment Station, 

 19593 • 



