Opencast Working at Tre Bevan Site. Bryn Vein Seam. Trial Pit No. 1. Bore Hole 10 (552/60/9 O.C.) Oct 1960

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/723
  • Dates of Creation
      Oct 1960
  • Language of Material
      English
  • Physical Description
      1 file