Seam Analysis Report. Blaengwrach Colliery, Six Feet Seam (1668/78/SW) Nov 1978

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/1742
  • Dates of Creation
      Nov 1978
  • Language of Material
      English
  • Physical Description
      1 file