Mudstone, greenish gray, 
carbonacao "Lii? • 
some very silty. 
17* Siltstone and sandstone, silt brown, ss. 
light yellowish gray, very fine grained, 
silt carbonaceous, s s. iron stained. 9 ! 
16. Muds to ne , olive gray and brownish gray, 
upper 7’ contains ostracodes $ lower 17 1 
alternating olive 0 ray tti ud ^ t o n e »h 
gray mudstone containing large carbon frag. $ 
some thin calcareous ss., some gyp and pyrite. 37 1 
15* Sandstone, yellowish gray, fine grained 
calcareous, abunda.nt interstitial clay, 
iron stain, carh. material, gyp *5 contains 
ostracodes . 
14. Mudstone , olvie to brownish gray, finely 
disseminated carh. material, upper 2' 
contains ostracodes.. 
Mudstone , 
olive gray, contains ostracodes. 
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