sssm 



SCALE 



:/ 



2 km 



ZONE 1 



ZONE 2 



ZONE 3 





 





 



MARSH 



LOWER SOUND AND INLET ENTRANCE 



UPPER SOUND AND MAIN RIVER MOUTHS 



MAIN RIVERINE FRESH WATER SOURCE 



TIDAL CREEKS 



UPLAND 



Figure 2. Sedimentary regions of estuary. 



