Covering letter and reports on the results of trials of opencast mining at Bynea, Clyn-du Cwmllethryd (24/53/OC) Dec 1953

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/231
  • Dates of Creation
      Dec 1953
  • Language of Material
      English
  • Physical Description
      1 file