WOODFORD COUNTY. 339 



FEET. IN. 



6. Blue clay shale , . . . . 7 



6. Red clay shale 3 



7. Limestone 1 



8. Clay shale 18 



9. Limestone 1 



10. Sandstone 14 



1 1. Clay shale 10 



12. Arenaceous shale 7 



13. Black slate 3 



14. Blue clay shale ; 9 



15. Red clay shale 13 



16. Sandstone 100 



17. Black slate 3 



18. Clay shale 2 



19. Coal 3 



20. Clay 12 



21. Arenaceous shale 6 



22. Argillaceous limestone 2 



23. Arenaceous shale 30 



24. Coal 2 



26. Clay 6 



26. Arenaceous shale 33 



27. Black slate 19 



28. Sandstone 12 



29. Limestone . . 2 



30. Clay shale 18 



31 . Limestone 2 



32. Sandstone 6 



33. Clay shale 18 



34. Chert 9 



35. Clay shale 18 



36. Black slate 2. 



37. Clay shale 14 



38. Sulphur rock 1 



39. Black slate 6 



40. Clay shale i 



41. Black slate ) 



42. Coal 3 10 



546 9 



As the shaft had been sunk sometime before I visited it, much of the mate- 

 rial taken out was covered up, and many of the fossils had been carried away. 

 Crinoidal stems were abundant in some of the upper beds, but the exact hori- 

 son from which they came I did not learn. 



