It* 
page 3 
12. Sandstone, yellowish gray., fine to very fine 
grained, calcareous, abundant green-gray 
interstitial clay, abundant carb. material. 
11* Clays tone, brownish gray, silty, hackly 
fracture, contains ostracodes. 
10. Mudstone, brownish gray, silty, bedding 
irregular, contains ostracodes. 
More resistant to weathering than unit above 
9* Mudstone, olive gray, calcareous, hackly 
fracture, contains ostracodes. 
g. Silts tone, white, in beds about 1* thick, 
upper li-’ ss., very fine grained, calc., 
forms prominent 3-edge. 
7. Siltstone, dark brown and dark gray, some 
gyp and jarosite, contains ostracodes. 
