(Warwickshire group)
No 1 seam or Beresford
No 2 seam
No 3 seam
No 4 seam
No 5 seam
No 6 seam or Millyard
(South Wales Upper Coal measures)
No coals
(South Wales Middle Coal measures)
No7 seam or (Chislet No5)
No8 seam
No9 seam
No10 seam
No11 seam
(South Wales Lower Coal measures)
No12 seam
No13 seam
No14 seam |
