Morlais Colliery. Run-Of-Mine Test. Swansea Five Feet Seam (165/57/1) Feb 1957

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/392
  • Dates of Creation
      Feb 1957
  • Language of Material
      English
  • Physical Description
      1 file