22 ECONOMICAL GEOLOGY. 



Great credit is due to the stockholders in this mining enterprise, 

 and to the citizens of Mattoon generally, for their persevering efforts 

 in bringing this costly experiment to a successful termination. 



The other important experiment alluded to above, was made with 

 the diamond drill at Pana, and was successful in finding a coal 

 seam about seven feet in thickness at the depth of a little over 709 

 feet. For the following details of this boring I am indebted to J. 

 W. Ketchell, Esq., of Pana, in whose office I was permitted to ex- 

 amine the core of rock taken out with the drill as the work pro- 

 gressed : 



PANA BOEING. 



Ft. In. 



No. 1. Soil and brown clay n 



No. 2. Hardpan 2 



No. 3. Blueclay 2 



No. 4. Sand and gravel 12 



No. 5. Hardredclay 18 



No. 6. Forestbed 3 6 



No. 7. Blueclay 57 



No. 8. Forestbed 2 6 



No. 9. Clay 19 4 



No. 10. Limestone 3 1 



No. 11. Clay shale with lime nodules 2 10 



No. 12. Clay shale upper part red 8 3 



No. 13. Blue and gray limestone 16 10 



No. 14. Dark clay shale 1 4 



No. 15. Gray limestone 12 6 



No. 16. Sandyshale 2 10 



No. 17. Sandstone and shale 43 6 



No. 18. Finegrained sandstone 18 



No. 19. Bluish clay shale 14 9 



No. 20. CoalNo.12 6 



No. 21. Black and gray shale 9 



No. 22. No core, probably fire-clay 4 2 



No. 23. Blue and chocolate colored shale 41 9 



No. 24. Calcareous shale with fossils 9 



No. 25. CoalNo.ll 11 



No. 26. Pebbly fire-clay 4 5 



No. 27. Greenish clay shale 10 6 



No. 28. Sandy shale and sandstone 48 6 



No. 29. Clayshale 3 



No. 30. Dark fossiliferous shale coal No. 10 3 10 



No. 31. Sandyshale 16 11 



No. 32. Blue clay shale 3 l 



No. 33. Fosailiferous shale 8 



No. 34. Gray limestone 9 8 



No. 35. Blue clay shale 1 10 



No. 36. Black shale (No. 9 coal) 3 4 



No. 37. No core, probably fire-clay 2 



No. 38. Sandstone . 3 g 



No. 39. Calcareous sandstone and shale 22 2 



No. 40. Blue clay shale ..28 8 



No. 41. Fossiliferous shale . 10 



