Surface Bore Hole Report. Abernant No. 9: Nant-y-Gwn, the Lower Four Feet Seam at 834.28m (1754/SW/85) Feb 1985}

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/1859
  • Dates of Creation
      Feb 1985
  • Language of Material
      English
  • Physical Description
      1 file