Seam Analysis. Cwmgrach Colliery Cornish Four Feet Seam (Supposed) (386/59/9) Jul 1959

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/578
  • Dates of Creation
      Jul 1959
  • Language of Material
      English
  • Physical Description
      1 file