Hole #3CB Elev. 2580 0-16-9 Surficial material 26 Fine-grained sandstone (light) 41 Medium- " sandstone, silty lenses, gray on fresh surfaces 41-6 Conglomerate (Qt3. pebbles to 5mm) 48-6 Hard, blue-gray limestone. 56-6 Interbedded fine sandstone and siltstone and silty claystone 57-6 Gray argillaceous limestone, clay pellets? 61-6 Gray medium sandstone, carb partings 66-6 Interbedded siltstone and clay stone 69-6 Dark gray silty claystone, locally sandy. 70-6 Hard gray limestone with clay pellets 73 Gray to black, silty to sandy shale 78-6 Dark gray to black micaceous clay 80 Interbedded siltstone, sandstone & claystone 83-6 Dark gray to black shale, locally carbonate aceous, some silty zones. 89 Interbedded siltstone, sandstone, & claystone. 90-3 Silty carbonaceous shale, plant frags. 91 Coal & bone BARTON 102 Limey gray clay and claystone with limestone pellets. 117-6 Gray, green-gray and green semi-plastic clay becoming silty downward, calcareous stringers and veinlets present 136 Light gray siltstone 140-2 Green and red semi-plastic clay, calcereous stringers. 149-4 Green Silty clay, calcereous stringers 152-6 Red and green semi-plastic clay 158 Interbedded fine sandstone, siltstone and silty claystone. 159-6 Dark gray shale 179 Fine silty sandstone, light gray, irregularly bedded, becoming sandy siltstone downward 12.