20 KM 



Gulfport Biloxi Poscogoulo 

 X k 



Mobile 



X 



Wa 



Ship I . Horn I pB Douphin I. 



Petit Bois I. 



y.J 



12.CM. 



Figure 4.9. Simplified geometry and topography for the Mississippi 

 Sound and adjacent coastal waters. 



65 



