No. 9 Area. Interim Report. Butcher’s Borehole: Bettws Red Vein and Seam at 568 ft 6 in (2141) Feb 1964

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/160
  • Dates of Creation
      Feb 1964
  • Language of Material
      English
  • Physical Description
      1 file