pa ge % 
or more feet 
tered poll she 
greenisn gray. Few scat- 
d pebbles in float may be 
from this unit or sandstone above. 
Sandstone, fine-grained, to sandy silt 
stone 3 soft, grayish white , local 
secondary caleite cementation. 
10. Clays tone , greenish-gray in upper 7 
feet, below which is a 1 foot red hand 5 
lower 7 feet gray to black with local 
w </ 
lens of hard 5 fine-grained; pyritic 
sandstone at base. 
9» Clay stone; dark gray to black, shaly 
at base. 
8. Shale, gray to greenish pray, with 
interbeds of dense light gray lime- 
stone. Contains charaphytes, ostracods 
and poorly preserved gastropods. 
Clavator i,arrisi 
Cha ra voluta 
A cl is to chars a f f . A. mundula 
Cypridea inornata 
mm * ||> 1 1 ■ ■ » ^ WWW — I' ■ ■ ..«» mm m m mmrnmm m 
Me t&oypris angularis 
Me ta cypris pe r sulca ta 
To ta 1 tni ckne s s 
eds included at Lakota 
41 • 0 
7-0 
15.0 
6.0 
9.0 
108.0 
