﻿COAL 
  MEASURES. 
  13 
  

  

  Ft. 
  In. 
  

  

  No. 
  1. 
  Soil 
  and 
  drift 
  clay 
  24 
  

  

  No. 
  2. 
  Coarse 
  limestone.: 
  4 
  

  

  No. 
  3. 
  Blackshale 
  2 
  

  

  No. 
  4. 
  Coal,(No.ll) 
  1 
  

  

  No. 
  5. 
  Fire-clay 
  1 
  8 
  

  

  No. 
  6. 
  Dark 
  blue 
  shale 
  3 
  

  

  No. 
  7. 
  Limestone 
  6 
  

  

  No. 
  8. 
  Light-blue 
  shale 
  30 
  

  

  No. 
  9. 
  Coal, 
  (No. 
  10) 
  4 
  

  

  No.10. 
  Fire-clay 
  2 
  

  

  No.ll. 
  Light 
  and 
  dark 
  shales 
  40 
  

  

  No. 
  12. 
  Fire-clay 
  20 
  

  

  No. 
  13. 
  Bituminous 
  shale 
  6 
  

  

  No. 
  14. 
  Limestone, 
  (Carlinville 
  bed) 
  6 
  8 
  

  

  No. 
  15. 
  Bituminous 
  shale 
  1 
  10 
  

  

  No.lG. 
  Coal,(No.9) 
  3 
  

  

  No. 
  17. 
  Fire-clay 
  1 
  6 
  

  

  No. 
  18. 
  Light-colored 
  shales 
  58 
  

  

  No.19. 
  Soft 
  limestone 
  2 
  

  

  No. 
  20. 
  Bituminous 
  shale 
  3 
  

  

  No.21. 
  Coal,(No.8) 
  . 
  7 
  

  

  No.22. 
  Sandy 
  shale 
  40 
  

  

  No. 
  23. 
  Variegated 
  shales 
  with 
  streaks 
  of 
  coal 
  17 
  

  

  No. 
  24. 
  Sandstone 
  in 
  heavy 
  beds, 
  and 
  shale 
  55 
  

  

  No. 
  25. 
  Hard 
  limestone 
  5 
  

  

  No.26. 
  Coai,(No.6) 
  . 
  6 
  

  

  No.27. 
  Fire-clay 
  1 
  8 
  

  

  No.28. 
  Clayshate 
  8 
  

  

  No. 
  29. 
  Limestone 
  27 
  

  

  No.30. 
  Blackslate 
  2 
  to 
  4 
  

  

  No.31. 
  Coal,(No.5) 
  7 
  10 
  

  

  Bottom 
  of 
  coal 
  373 
  5 
  

  

  Several 
  shafts 
  have 
  been 
  sunk 
  in 
  Sangamon 
  county 
  since 
  the 
  pub- 
  

   lication 
  of 
  the 
  former 
  volumes 
  of 
  the 
  geological 
  reports, 
  but 
  in 
  most 
  

   cases 
  no 
  detailed 
  record 
  was 
  kept. 
  At 
  Girard 
  it 
  was 
  about 
  310 
  feet 
  

   to 
  coal 
  No. 
  5. 
  No 
  details 
  could 
  be 
  obtained 
  of 
  the 
  first 
  190 
  feet, 
  

   except 
  that 
  a 
  six-inch 
  seam 
  of 
  coal 
  was 
  found 
  at 
  the 
  depth 
  of 
  1C4 
  

   feet. 
  The 
  following 
  is 
  a 
  record 
  of 
  the 
  lower 
  part 
  of 
  this 
  shaft 
  : 
  

  

  Ft. 
  In. 
  

  

  Drift, 
  clay, 
  shales, 
  etc., 
  details 
  not 
  given 
  190 
  

  

  Coal, 
  (No. 
  8) 
  1 
  4 
  

  

  Shale, 
  with 
  iron 
  bands 
  at 
  the 
  base 
  71 
  

  

  Fossiliferous 
  limestone 
  10 
  

  

  Blackshale 
  8 
  2 
  

  

  Coal, 
  (No. 
  7) 
  1 
  

  

  Fire-clay 
  2 
  9 
  

  

  Gray 
  shale 
  19 
  

  

  Fine 
  black 
  shale 
  1 
  8 
  

  

  Coal, 
  (No. 
  6) 
  6 
  

  

  Fire-clay 
  3 
  3 
  

  

  I 
  mpure 
  limestone 
  1 
  3 
  

  

  Hard 
  gray 
  sandstone 
  10 
  2 
  

  

  Dark 
  gray 
  shale 
  2 
  

  

  Blue 
  shale 
  1 
  1 
  

  

  Limestone 
  3 
  4 
  

  

  Light 
  gray 
  shale 
  3 
  3 
  

  

  