Seam Analysis - Morlais Colliery. Swansea 5 Feet Seam. Sampled - October 1971, November 1971 (1490/71/WRL) Dec 1971

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/1559
  • Dates of Creation
      Dec 1971
  • Language of Material
      English
  • Physical Description
      1 file