206 



GEOLOGY. 



Nussbaum (Neocene) 

 Cuchara 



Poison Canyon < 



Laramie 



Trinidad 



Pierre shale 



Timpus 



Carlisle 



Greenhorn 



Graneros 



Dakota 



Morrison (Co- 

 manchean (?)) 

 Badito (Carbo- . 

 niferous(?)) :j 



Schist and 

 granite 



f\°8°.*°i*'°*-?°- 



r 



Apishapa \ fe 



Fig. 422. — Column 

 or section of the 

 formations at the 

 east foot of the 

 Rocky Mountains, 

 Colo. (Hills, U. 

 S. Geol. Surv.) 



