﻿18 
  ECONOMICAL 
  GEOLOGY. 
  

  

  Ft 
  In. 
  

  

  5 
  

   No. 
  7. 
  Argillaceous 
  sandstone 
  «• 
  2 
  

  

  No. 
  8. 
  Red 
  shale 
  " 
  g 
  

  

  No. 
  9. 
  Argillaceous 
  limestone 
  

  

  No. 
  10. 
  Brown 
  shale 
  ' 
  ., 
  

  

  No. 
  11. 
  Argillaceous 
  limestone 
  6 
  

  

  No. 
  12. 
  Calcareous 
  shale 
  

  

  No. 
  IS. 
  Coal 
  and 
  bituminous 
  shale 
  ' 
  fi 
  

  

  No. 
  14. 
  Calcareous 
  shale 
  " 
  

  

  No. 
  15. 
  Brown 
  shale 
  " 
  4 
  j 
  g 
  

  

  No. 
  16. 
  Argillaceous 
  sandstone 
  o 
  6 
  

  

  No. 
  17. 
  Coal 
  ' 
  g 
  c 
  

  

  No. 
  18. 
  Argillaceous 
  shale 
  ' 
  9 
  

  

  No. 
  19. 
  Nodular 
  limestone 
  " 
  & 
  

  

  No. 
  20. 
  Calcareous 
  shale 
  "" 
  

  

  No. 
  21. 
  Argillaceous 
  shale 
  ' 
  y 
  

  

  No. 
  22. 
  Hard 
  limestone 
  6 
  

  

  No. 
  23. 
  Argillaceous 
  shale 
  

  

  No. 
  24. 
  Bituminous 
  shale 
  " 
  

  

  No. 
  25. 
  Argillaceous 
  shale 
  6 
  

  

  No. 
  20. 
  Hard 
  limestone 
  " 
  1 
  g 
  

  

  No. 
  27. 
  Argillaceous 
  limestone 
  

  

  No. 
  28. 
  Black 
  and 
  gray 
  shale 
  " 
  g 
  

  

  No. 
  29. 
  Argillaceous 
  shale 
  " 
  — 
  ( 
  . 
  

  

  No. 
  30. 
  Argillaceous 
  limestone 
  

  

  No. 
  31. 
  Argillaceous 
  shale 
  " 
  ,,. 
  ( 
  . 
  

  

  No. 
  32. 
  Argillaceous 
  sandstone 
  

  

  No. 
  33. 
  Calcareous 
  shale 
  ' 
  ~ 
  6 
  

  

  No. 
  34. 
  Bituminous 
  shale 
  . 
  j 
  

  

  No. 
  35. 
  Coal 
  " 
  15 
  

  

  No. 
  36. 
  Argillaceous 
  nodular 
  shale 
  " 
  

  

  No. 
  37. 
  Argillaceous 
  slaty 
  shale 
  ' 
  

  

  No. 
  38. 
  Hard 
  gray 
  limestone 
  ' 
  J 
  g 
  

  

  No. 
  39. 
  Soft 
  shale 
  ' 
  ^ 
  

  

  No. 
  40. 
  Bituminous 
  shale 
  ' 
  4 
  r 
  

  

  No. 
  41. 
  Argillaceous 
  shale 
  ' 
  (| 
  fi 
  

  

  No. 
  42. 
  Brown 
  shale 
  ,, 
  3 
  

  

  No. 
  43. 
  Calcareous 
  shale 
  ., 
  

  

  No. 
  44. 
  Argillaceous 
  limestone 
  " 
  { 
  j 
  

  

  No. 
  45. 
  Calcareous 
  shale 
  9 
  

  

  No. 
  46. 
  Red 
  variegated 
  shale 
  Js 
  

  

  No. 
  47. 
  Gray 
  argillaceous 
  shale 
  g 
  a 
  

  

  No. 
  48. 
  Bituminous 
  shale 
  3 
  

  

  No. 
  49. 
  Gray 
  argillaceous 
  shale 
  ^ 
  ( 
  . 
  

  

  No. 
  50. 
  Bituminous 
  shale 
  ' 
  ( 
  . 
  

  

  No. 
  61. 
  Gray, 
  calcareous 
  shale 
  

  

  No. 
  vj. 
  lliiuminous 
  shale 
  

  

  No. 
  53. 
  Goal 
  and 
  limestone 
  6 
  

  

  No. 
  m. 
  BltuminouB 
  ahsle 
  1 
  

  

  No. 
  BB. 
  Bofl 
  limestone 
  

  

  No. 
  M. 
  argillaceous 
  shale 
  ( 
  " 
  . 
  

  

  No 
  ST. 
  Bituminous 
  shale 
  . 
  g 
  

  

  No. 
  68. 
  Ooal 
  „ 
  g 
  

  

  No. 
  69. 
  Gray 
  shale 
  ' 
  , 
  ; 
  ., 
  

  

  trgillaceotis 
  linn-Mom- 
  ' 
  " 
  fl 
  ( 
  . 
  

  

  No. 
  61. 
  Bhole 
  i 
  10 
  

  

  No. 
  81 
  I 
  m 
  • 
  t<>in> 
  

  

  