No. 1 Area. Clydach Merthyr Colliery. Swansea Four Feet, Graigola and Maesmelyn Seams (1782) Mar 1956

  • This material is held at
  • Reference
      GB 216 D/D PRO/NCB/6/125
  • Dates of Creation
      Mar 1956
  • Language of Material
      English
  • Physical Description
      1 file