53 



Plate 6.— Classification: system Estuarine, subsystem Subtidal, class Unconsolidated Bottom, subclass Sand, water regime 

 Subtidal, WATER CHEMISTRY Mixohaline. An irregularly flooded persistent-emergent wetland dominated by saltmarsh 

 cordgrass [Spartina alterniflora) and saltmeadow grass {Spartina patens) is shown in the right background. (Washington 

 County, Rhode Island; July 1977) 



