252 



unconfornj 



lovvina 



1. ( 



TFAFS 



and southern margins the fol- 



t-nns sb, 



■1 ^auUI ^i>.-UMifs iiin' ^'. 



Feet. 

 180 

 100 



oOO 



UK) 

 1,280 



Below these are th* characteristic gray Cretaceous hhalea, somewhat 



:/ spurs ai«i foot-hills. » They do not here form 



<.,".. a.'*, out i - -- - -v,-, lower regions adjoining. From 



■'' ^ -^^ 'i'^e with a sliglit inclination 



■n. At one point fha soc- 

 ) flexuro with a mnximnto i ; 



back to 



'(h and 



beds, until at a 



tuitl of tho plat/eau the carbon- 



s gently but continuously to the 



