58 GEOLOGY OF OHIO. 



FT. IN. 



14. Fire-clay 22 



15. White, flinty rock 1 



16. Black shale t. 4 6 



17. Sandstone 7 



18. Blackshale 13 



19. Clay shale ("soapstone") 5 



20. Blackshale 16 



21. Clay shale ("soapstone") 12 



22. Coal 1 6 



23. Sanditone 16 



24. Coal 1 



25. Dark sandstone, with coal 12 



280 .. 

 Sbotion at the Dennison Well. 



FT. IN. 



1. Earth, stones, and iron ore 21 



2. Sandstone 1 



3. Coal(No.5) 3 



4. Fire-clay 10 



5. Sandstone 18 



6. Blueshale 65 



7. Flint rook (Putnam Hill limestone) 2 



8. CoalNo.4) 5 6 



9. Fire-clay 12 



10. Cannel coal 2 



11. Shale 73 



12. CoalNo.3?) 4 6 



13. Shale 19 



14. White sandstone 20 



15. Black shale, and coal , 3 6 



16. " Soapstone" (clay shale) 74 



17. Coarse sandstone 29 



18. Fine sandstone 20 



19. Black shale, and coal (No. 1) 8 



20. Blackshale 30 



21. Fire-clay 20 



22. Sandstone 12 



23. Fire-clay 6 



24. Sandstone 1 g 



400 .. 



In the above section, the last four numbers are probably Waverly, and 

 the strata named fire-clay are the fine light-colored shales of this series, 

 which, when ground up, have much the appearance of the under-clays 

 of the coal. 



Subsequent to the boring of the Uhrichsville well, a shaft was sunk 

 there, and carried down to the lower workable coal. This was found to 



