Hole #25 C.B. 29 - 0 Surficial material 48 - 4 'Light grading to dark grey silty shaley claystone. 51 - 2 Black shaley claystone. Plant fossils and scattered pyrite crystals. 52-10 Coal LOWER BAKERSTOWN 59 - 9 Dark grey claystone and clay. Limey pellets in lower part. 70 - 5 Interbedded siltstone and fine grain- ed sandstone. 'Some silty claystone' 75 - 3 Grey shaley claystone. Sandy streaks, 77 - 2 Dark grey silty claystone, 89 - 8 Light grey and greenish grey claystone. Red mottling 103-3 Shaley interbedded siltstone, claystone fine grained sandstone, and silty 103-10 Grey silty clay shale 107 - 10 Red silty clay shale 110 - 3 Grey silty shaley claystone. Minor fine grained sandstone 110 - 4 Limey nodule containing marine fossils. 116 - 5 Red and greenish grey claystone. 137 - 0 Thinly, irregularly interbedded siltstone AND FINE GRAINED SANDSTONE 149 - 6 Interbedded siltstone AND FINE GRAINED sandstone grading to silty shaley claystone with minor sandy beds. 171 - 6 Dark grey 'silty clay shale grading' to black clay shale. Marine fossils, 172-7 Coal BRUSH CREEK 178-8 Interbedded siltstone and fine grain- ed sandstone. 183-7 Grey silty claystone. 183-8 White crystalline limestone containing fragments of silty claystone and limey claystone. Vugs in the limestone 98.