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FIRST TEAE SCIENCE 



which often contain valuable minerals and building stones. 

 On the seaward side it is bordered by the rather abruptly 

 ascending edge of the coarse material of the plain which 

 has not yet been removed. From the top of this ridge there 

 is a gradual slope toward the sea. As the region back to- 

 ward the old land is higher, and has been above the sea 



THE COAST NEAR ATLANTIC CITY. 



Showing marshes, lagoons and sand reefs. 







and exposed to erosion longer, it is much more dissected 

 than the surface nearer the sea and is much more irregular 

 and hilly. 



A coastal plain is a gradually emerged sea bottom, and 

 so has shallow water extending out for a considerable dis- 

 tance from its edge. Along the shore are marshes and 



