380 



THE ICE AGE IN NORTH AMERICA. 



Charleston. It is about a mile wide, and from two hundred 

 to three hundred feet lower than the hills on either side, and 



Fig. 111.— Section of the deposit at Long Level, in Teazes Valley, West Virginia. The 

 ouried piece of wood referred to in the text was about the middle of the cut on dig- 

 ging into the perpendicular face of the bank. 



has a remarkably level floor throughout the greater part of 

 its course. The bottom of the valley is filled throughout 



