Pwllbach Colliery. Investigation of the effect of a B.J.D. Anderton 40” Disc Shearer and Pulsed Blasting on the yield of sized products (755/63/9) Jan 1963

This material is held atWest Glamorgan Archive Service

  • Reference
    • GB 216 D/D PRO/NCB/6/932
  • Dates of Creation
    • Jan 1963
  • Language of Material
    • English
  • Physical Description
    • 1 file