NCB. Exhauster house methane drainage. Cefn-Coed Colliery, Crynant, Neath Glam. Aberpergwm Colliery Surface Reorganisation, general arrangement of proposed slurry bays.

  • This material is held at
  • Reference
      GB 216 RD/N Pl 13/5895
  • Dates of Creation
      c. 1963
  • Language of Material
      English
  • Physical Description
      7 plans