Seam Analysis - Treforgan Colliery. Seam: Red Vein, Faces: R4, R6 and South Intake heading. Sampled: July and September 1970 (1445/71/WW) Feb 1971

This material is held atWest Glamorgan Archive Service

  • Reference
    • GB 216 D/D PRO/NCB/6/1596
  • Dates of Creation
    • Feb 1971
  • Language of Material
    • English
  • Physical Description
    • 1 file