!8 ECONOMICAL GEOLOGY. 



No. 7. Argillaceous sandstone 



Ft. Tn. 



.. 5 

 . 2 



No. 8. Bed shale 



No. 9. Argillaceous limestone 



No. 10. Brown shale 7 



No. 11. Argillaceous limestone ~ 



No. 12. Calcareous shale 2 



No. 13. Coal and bituminous shale < 



No, 14. Calcareous shale ^ 



No. 15. Brown shale a 



No. 16. Argillaceous sandstone 41 



No. 17. Coal 



No. 18. Argillaceous shale 8 



No. 19. Nodular limestone 9 



No. 20. Calcareous shale 5 



No. 21. Argillaceous shale 10 



No. 22. Hard limestone J 



No. 23. Argillaceous shale 2 6 



No. 24. Bituminous shale 2 



No. 25. Argillaceous shale 12 



No. 26. Hard limestone "' 



No. 27. Argillaceous limestone 1 6 



No. 28. Blank and gray shale 1 



No. 29. Argillaceous shale a 6 



No. 30. Argillaceous limestone a) G 



No. 31. Argillaceous shale 8 



No. 32. Argillaceous sandstone 27 6 



No. 33. Calcareous shale 2 



No. 34. Bituminous shale 1 6 



No. 35. Coal 6 l 



No. 36. Argillaceous nodular shale 15 



No. 37. Argillaceous slaty shale 19 



No. 38. Hard gray limestone I 7 



No. 39. Soft shale 1 6 



No. 40. Bituminous shale 1 



No. 41. Argillaceous shale 4 6 



No. 42. Brown shale 6 



No. 43. Calcareous shale 9 3 



No. 44. Argillaceous limestone 2 



No. 45. Calcareous shale 3 3 



No. 46. Bed variegated shale 9 



No. 47. Gray argillaceous shale 18 



No. 48. Bituminous shale 3 3 



No. 49. Gray argillaceous shale 1 3 



No. 50. Bituminous shale 1 6 



No. 51. Gray, calcareous shale 6 



No. 52. Bituminous shale 1 



No. 53.' Coal and limestone 1 



No. 54. Bituminous shale 6 



No. 55. Soft limestone 1 



No. 5C. Argillaceous shale 2 



No. 57. Bituminous shale 7 



No. 58. Coal 8 



No. 59. Gray shale 9 



No. 60. Argillaceous limestone , 6 9 



No. 61. Shale 6 



No. 62. Limestone... . 2 10 



