Wernos Colliery - Rock Vein. Comparison of Yields of Products with A. Multi-Jib cutting and Plough, B. Pulsed Infusion Blasting (296/58/9) Oct 1958

This material is held atWest Glamorgan Archive Service

  • Reference
    • GB 216 D/D PRO/NCB/6/465
  • Dates of Creation
    • Oct 1958
  • Language of Material
    • English
  • Physical Description
    • 1 file