Seam Analyses. Yniscedwyn Colliery - White 4’ Seam (692/62/9) Mar 1962

This material is held atWest Glamorgan Archive Service

  • Reference
    • GB 216 D/D PRO/NCB/6/893
  • Dates of Creation
    • Mar 1962
  • Language of Material
    • English
  • Physical Description
    • 1 file