DISTRIBUTION OF THE BUTTES. 



335 



the tepee belt is covered by gravels associated with an earlier stage of 

 the degradation of the countr}^, so that the visible buttes represent but 

 imperfectly tlie distribution of the tepee cores (see figure 2). 



FiGUttE 2.— Map of the Tepee Zone northeast of Pueblo, Colorado. 



Dots = tepee buttes; heavy lines = boundaries of tepee belt; shaded areas = gravel ; AR 

 Arkansas river; FCr = Fountain creek ; CCr = Chioo creek ; Ba = Baxter; Bo =-= Boone ; LB 

 Little buttes ; N ^ Nepesta ; Pi -= Pinon ; Pu = Pueblo. 



GENERAL FEATURES. 



The lieight of a core is not known in any instance. As each is gradu- 

 ally laid bare by the degradation of the plain the upper part is broken 

 up and waslied away long before the lower is exposed. Occasionally a 

 top is seen and occasionally a base, l)Ut in the great majority of l)Uttes 

 an intennediate portion only is exposed. The highest observed vertical 



