Plan of proposed working of Wenallt Seam for National Coal Board under license. Pen Moel Grochlef Mountain near Tonmawr Port Talbot

  • This material is held at
  • Reference
      GB 216 RD/N Pl 13/2332
  • Dates of Creation
      c. 1954
  • Language of Material
      English
  • Physical Description
      1 plan