Hole #13 7 - 0 Surficial material 59 - 11 Interbedded siltstone and fine sandstone. Bedding irregular in upper half. 69 - 9 Black clay shale. Marine fossils 71 - 9 Coal BRUSH CREEK 77 - 11 Grey limey claystone grading to claystone. Limey pellets, lenses AND INCLUSIONS. 86 - 7 Grey claystone grading to silty claystone. 92 - 0 Siltstone grading to fine sandstone. 104 - 9 Dark to light grey claystone and silty claystone. 106 - 6 Green silty claystone. 108 - 7 Green fragmental claystone AND semi-flint clay. 119 - 5 Grey silty claystone, stringers of yellowish material in upper part. 134 - 9 Green silty claystone, shaly at base. 140-10 Interbedded siltstone and fine grained sandstone. 143 - 0 Grey clay shale grading to carbonaceous shale. 145-9 Interbedded siltstone, fine sandstone, and silty claystone. 147-3 Grey, silty, clay shale. 155-10 Black clay shale. Plant fossils. 156-3 Coal 164-2 Dark grey to black silty claystone. 164.8 Carbonaceous shale 179-6 Black silty, shaly claystone, interbedded siltstone AND fine grained sandstone. 180-11 Carbonaceous shale. 184-6 Coal FREEPORT (upper) 196-4 Argillaceous limestone. Few lenses of limey claystone. 197-5 Light grey and brown fragmental semi- plastic clay.