Pneumoconiosis Field Research Programme Pentremawr Colliery - South Wales Coalfield. Summary of the Examination of the Coal Seams and Associated Strata. Jul 1954

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/112
  • Dates of Creation
      Jul 1954
  • Language of Material
      English
  • Physical Description
      1 file