﻿26 
  ECONOMICAL 
  GEOLOGY. 
  

  

  Ft. 
  In 
  

  

  Clay 
  shale 
  SO 
  

  

  Sandstone 
  16 
  

  

  Clay 
  shale 
  - 
  

  

  Goal 
  No. 
  i 
  o 
  8 
  

  

  Fire 
  clay 
  - 
  

  

  8andstone 
  5 
  

  

  Shale 
  i 
  

  

  8andstone 
  3 
  

  

  Lower 
  Carboniferous 
  limestone 
  o 
  6 
  

  

  Total 
  depth 
  900 
  4 
  

  

  The 
  following 
  record 
  of 
  a 
  boring 
  made 
  at 
  Charleston, 
  in 
  Coles 
  

   county, 
  was 
  furnished 
  by 
  Mr. 
  C. 
  B. 
  Swan, 
  under 
  whose 
  direction 
  

   the 
  work 
  was 
  done 
  : 
  

  

  Ft 
  

  

  No. 
  1. 
  Soil 
  and 
  surface 
  clay 
  15 
  

  

  No. 
  2. 
  Hard-pan 
  15 
  

  

  No. 
  3. 
  Gray 
  shale 
  :w 
  

  

  No. 
  4. 
  Fire-clay 
  3 
  

  

  No. 
  5. 
  Shale 
  ■ 
  

  

  No. 
  6. 
  Limestone 
  4 
  

  

  No. 
  7. 
  Shale 
  3 
  

  

  No. 
  8. 
  Limestone 
  20 
  

  

  No. 
  9. 
  Green 
  shale 
  I 
  

  

  No. 
  10. 
  Black 
  shale 
  I 
  

  

  No. 
  11. 
  Limestone 
  7 
  

  

  No. 
  12. 
  Black 
  shale 
  5 
  

  

  No. 
  13. 
  Gray 
  slate 
  45 
  

  

  No. 
  14. 
  Coal 
  2 
  

  

  No. 
  15. 
  Fire-clay 
  3 
  

  

  No. 
  1G. 
  Gray 
  shale 
  28 
  

  

  No. 
  17. 
  Black 
  shale 
  10 
  

  

  No. 
  18. 
  Coal 
  3 
  

  

  No. 
  19. 
  Fire-clay 
  3 
  

  

  No. 
  20. 
  Gray 
  shale 
  16 
  

  

  No. 
  21. 
  Limestone 
  2 
  

  

  ■ 
  Black 
  shale 
  9 
  

  

  No. 
  23. 
  Limestone 
  

  

  No. 
  24 
  Light 
  shale 
  •••• 
  ■ 
  

  

  Blaok 
  shale 
  44 
  

  

  No. 
  26. 
  Rod 
  shale 
  10 
  

  

  No. 
  27. 
  Limestone 
  20 
  

  

  -. 
  Olay 
  shale 
  

  

  No. 
  99. 
  Goal 
  ' 
  

  

  D. 
  I 
  in. 
  -clay 
  4 
  

  

  No. 
  SI. 
  Limestone 
  I 
  

  

  ciav 
  ■hale 
  -' 
  

  

  Limestone 
  and 
  shale 
  n 
  

  

  I 
  Bandy 
  shale 
  40 
  

  

  Blaok 
  ■hale 
  9 
  

  

  Goal 
  . 
  

  

  Total 
  depth 
  

  

  