Hole #28 CB 7-5 Surficial material 53-0 Medium grained sandstone. 71-5 Grey silty claystone, limey lenses and pellets. Scattered siderite nodules. 86-9 Light grey to dark grey silty clay shale. Minor interbedded fine grained sandstone in upper three feet 88-8 Bone grading to carbonaceous shale. Numerous pyrite layers throuout. 89-10 Coal 110-10 Grey silty claystone 126-2 Fine grained sandstone. 140-5- Interbedded siltstone AND fine grained sandstone. 144-3 Fine grained sandstone. 151-0 Green claystone. 179-2 Interbedded siltstone AND fine grained sandstone. 201-9 Black silty shaley claystone. Marine Fossils BRUSH CREEK 207-0 Grey silty claystone. 214-5 Interbedded siltstone AND fine grained sandstone. 221-0 Green silty claystone. Limey pellets. 224-6 Green silty claystone grading to siltstone. Limey stringers. 243-0 Interbedded green siltstone and fine grained sandstone 246-1 Fragmental green and red claystone. 253-5 Grey claystone AND clay. Red mottling 260-5 Interbedded siltstone AND fine grained sandstone. 262-4 Grey silty shaley claystone. 263-5 Fragmental light tan semi-clint clay Claystone matrix 266-3 Grey silty claystone 109