EMBAYED PLAINS 



399 



highest point reached by the upper stratum. Much of the 

 drinking water on coastal plains is obtained in this way. 



183. Embayed Plains. If a coastal plain is submerged 

 after it has been somewhat eroded, the water backs up 

 into the stream valleys and forms reentrant lays. The 

 little side streams which enter into the main streams near 



A SUBMERGED COASTAL PLAIN. 



the coast no longer flow into these streams but into the 

 bays. If the country is somewhat thoroughly dissected 

 near the coast, there will be many small bays. The inter- 

 stream areas will project out like long fingers with water 

 between them. 



