No. 1 Area. Mountain Colliery. No. 2 Underground Borehole down from the Swansea Six Feet Seam. Four Seams at 49ft.10ins to 968ft8ins. Thin Coals Between 470ft and 630ft. Sep 1954

This material is held atWest Glamorgan Archive Service

  • Reference
    • GB 216 D/D PRO/NCB/6/108
  • Dates of Creation
    • Sep 1954
  • Language of Material
    • English
  • Physical Description
    • 1 file