South Western Division. No. 1A Area. Rhos Colliery (Onllwyn No. 2.). Brass vein (so named). Jul. 1948

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/10
  • Dates of Creation
      Jul. 1948
  • Language of Material
      English
  • Physical Description
      1 file