BELMONT COUNTY. 567 



preserves its average thickness. From Captina Creek a vast body of this 

 valuable seam of coal could be mined to the north and north-west. 



WASHINGTON TOWNSHIP. 



This township lies west of York and south of Smith, and is drained 



by Captina Creek and its tributaries. The valleys are somewhat nar- 

 row, but the abundant limestones make the soil of valleys and hill-sides 

 extremely rich and fertile. 



A careful section was taken at Armstrong's Mills, as follows : 



Ft In. 



1. Yellow shale 8 



2. Blossom of coal. 



3. Clay 6 



4. Sandstone and shale 15 



5. Laminated sandstone 3 



6. Sandy shales ; 7 



7. Sandstone 4 6 



8. Shale 10 



9. Sandstone 1 



10. Not exposed 1 



11. Blossom of coal, and not exposed 3 



12. Shale 2 



13. Laminated sandstone 3 



14. Compact sandstone 3 



15. Laminated sandstone 4 



16. Shale 4 



17. Sandstone 2 



18. Shale 10 



19. Buff limestone 1 



20. Not exposed 12 



21. Limestone 1 6 



22. Sandy shale 15 



23. Limestone and interstratified shales 12 



24. Hard buff limestone 3 



25. Shale 8 



26. Shales and sandy limestones, sometimes nodular 20 



27. Hard sandy limestone 4 



28. Cement limestone 1 



29. Hard limestone 4 



30. Cement limestone 5 



31. Hard sandy limestone, with interstratified shales 12 



32. Shale 1 6 



33. Coal (Cumberland seam) 2 



34. Slate, " " » ° x 



35. Coal, " " 1 4 



36. TJnderclay 2 ° 



37. Sandstone 3 ° 



Bed of Captina Creek. (See Map XIV., No. 18.) 



