11. Sandstone, medium- to coarse-grained, 
thinly interbedded with hard, conglomer- 
atic, lignitic, sandy shale. Conglomer- 
ate of granules and small pebbles of 
chert, claystone and carbonized wood; 
some larger wood fragments. Color vari- 
able, gray, brown and black. 2,6 1 
10. Sandstone, medium to coarse-grained, 
massive, cro s s -laminated, friable, 
light gray. Locally has scattered chert 
granules in lower 2. 0 feet. 11.2' 
9. Claystone, sandy and conglomeratic, 
lignitic black to brown. Granules and 
small pebbles of chert, sandstone, clay- 
stone and carbonized wood. 0.7' 
8. Claystone, slightly sandy, gray to 
brownish gray with carbonaceous specks. 4.6’ 
7. Sandstone, medium -grained, friable; 
some interbedded sandy claystone. 4.9 ! 
6. Sandstone, medium- to coarse-grained 
and conglomerate. Granules and small 
pebbles of chert scattered throughout 
upper 9. 0 feet. Lower 2. 0 feet becoming 
clayey. Light gray with some yellow and 
red stain. 
11 . 0 ' 
