1878.] 



15 



Gray and red slate 



Gray slate 



Gray slate and sand 



Gray slate 



Gray slate and sand 



Gray slate and sand 



Dark gray sand 



Very hard light gray sand 



Gray slate and sand containing small bivalve shells 



Gray slate and hard gray sand 



Gray slate and soft sand 



Hard gray sand 



Soft gray slate 



Gray sand 



Gray sand and slate 



Gray slate containing shells 



Gray sand containing first strong smell of oil 1205 to 1210. 



Gray slate and hard shell 



Gray slate 



Gray slate containing shells 



Gray slate and clover seed sand 



Gray slate with hard shell 



Gray slate 



Gray slate and hard shell 



Light gray sand 



Coarse gray sand 



Slate 



Hard gray sand 



White sand 



Coarse gray sand 



Gray slate and shell 



Gray slate 



Gray sand 



Gray slate 



Gray slate containing shell 



Gray slate , 



Gray slate containing shell 



Hard gray sand 



Slate and shell 



Gray sand 



Coarse gray slate 



Dark brown sand containing amber oil, greatest amount near top 



of sand.* 



Gray slate 



Q ray slate and sand 



Probable representative of Bradford "3d " or oil producing sand. 



