NCB. Shale stowing project. Rhigos No 7 drift. Area No 4 Arrangement of compressor house. No 4 Area. Rhigos No 7 Drift Details of Bunker shaft.

  • This material is held at
  • Reference
      GB 216 RD/N Pl 13/3986A
  • Dates of Creation
      c. 1959
  • Language of Material
      English
  • Physical Description
      2 plans