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37. (continued) 
"worm" -tracked. Many slender, verti- 
cal "worm" tubes extend from, top to 
base of bed, 2. O’ 
36. Sandstone, medium -grained, even-bedded, 
Fe -impregnated, weathers banded shades 
brown and red brown. Bedding surfaces 
"worm" -tracked. 1.5' 
35, Siltstone, interbedded with silty gray 
claystone. Latter predominates in 
basal 0. 5 foot. Siltstone layers with 
pink to yellow brown ferruginous stain. 
Upper 1. 0 foot has interbeds fine- 
grained sandstone. 3.4 1 
34. Shale, gray to dark gray, silty. 2.8 ! 
33. Siltstone, sandy, interbedded with 
shaly siltstone. 1,8* 
32. Shale, gray, silty. 1. O’ 
31. Shale, sandy, pink to reddish purple. 0.5* 
30. Sandstone, fine-grained, thin-bedded, 
laminated to cross -laminated, weathers 
buff. Some sand shale interbeds in upper 
1 . 5 feet. 
7. O' 
