
I a a nn es 
VIII. 


PLATE 

Nn — ~~ 
A seg i SIN ea RES Natio my) DRE es 2 
> al ~ mr 
Pye oh / S ONS 2 


= ER 


Figure tioning of Lower Tertiary Sandstones. [sg § 317.] 




ribet 

Figure 2—Relations of Cretaceous and Tertiary rocks to igneous masses of the Buttes—Section at West Butte. [§ 310. ] 
a, Lower jad sandstone. 4, Softer Lower Tertiar 'y beds, not well exposed, ¢, Upper Cretaceous sandstone, No, 5 
shales, No, 4, , Cretaceous sandstone. 
d, Cretaceous clay- 
Zz 
(a) 
pel 
NM 
M 
te 
= 
= 
=) 
(@) 
by 
[=~ 
<j 
Q 
a 
jen) 
my . 
“ FS 
. = 
< a 
ud ov 
2 2 
fQ 
rc ae Sn On espace: Sy 


