20 



the expandec 

 Dr G. K. Gi 

 known. 



Shore lines 

 the beaches c 

 Fairchild tha 



Moraines . 

 morainic drii 

 sheet are bei 

 will greatly 

 glacial lakes. 



Schuylervil 

 a portion of i 

 sands, clays 

 history of th 



Postglacial 

 changes of k 

 deposits of 1 

 worth noted 

 place in com 

 face. The u 

 of the crust 

 of the conti 

 study of the 

 described in 



Mines anc 



taking of in 

 bulletin 93, 

 State, prep; 

 demand for 

 exhausted, 

 and as soor 



Iron ores, 

 ject of speci 

 districts of 

 ing the ore 

 farther sout 



The ores c 

 uplift near 

 lying Paleo 



