GEOLOGICAL SUEVEY OF THE TEEEITOKIES. 



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of it, from its peculiarly rugged character, is called the "Devil's Slide." 

 The lower part of the mountain facing the river is composed of light- 



reddish feldspathicquartzites plainly metamorphic, and inclining at a high 

 angle, (Fig. 10.) The valley is here about one-fourth of a mile wide, and 



