56 GEOLOGY OF OHIO. 



I subjoin the following registers of borings for Coal No. 1 : 



Deixling onb Mlle West of Sugak Crbbk, Cajjai, Dover. 



FT. IN. 



1. Earth and loose clay 13 



2. Grayshale 8 6 



3. Loose sandstone 1 6 



4. Coal 6 



5. Fire-clay 8 



6. Sandstone, witli iron ore 5 



7. Coal, slaty 1 



S. Fire-clay 5 



9. Blueshale 14 



10. Coal, slaty 6' 



11. Fire-clay and Wue shale 5 6 



12. Dark blue shale 7 6 



13. Soft sandstone '. 6 



14. Hard sandstone 34 



15. Gray shale 3 



16. Hard white sandstone 19 



17. Gray shale 2 



18. Sandy shale 2 



19. Gray shale 20 



20. Darkshale 11 



21. Black shale, with trace of ooal 1 



22. Fire-clay , 4 



2X Soft fire-clay 1 



24. Blue clay 6 



25. Soft hrown sandstone 4 



(Bored 549 feet for ooal, deepened to 894 feet for salt.) 



THICKNESS. 



183 to 6 



FT. m. 



1. Gray sandrock 10 4 10 4 



2. Coal * 2 .. 12 4 



3. Fire-clay 16 6 28 10 



4. Soft hlack shale 5 .. 33 10 



5. Gray sandrock 2 .. 35 10 



6. Soft light shale 4 .. 39 10 



7. Limestone 2 3 42 1 



8. Darkshale 29 9 71 10 



9. Sandstone, with thin seams of gray shale 36 b 108 3 



10. Coarse gray sandrock 2 .. 110 3 



11. Eock iron ore 1 3 m 6 



12. Gray shale 20 .. 131 6 



13. Fine white sandstone and dark shale 26 4 157 10 



14. Grayshale 12 .. 169 10 



15. Gray sandstone, iron ore, trace of coal (No. 1 ?) 5 .. 174 10 



16. Hard dark gray shale 8 .. l62 10 



