Plan of Torclawdd or Craig Merthyr Colliery, showing workings under Mynydd Pysgodlyn and Torclawdd. The map is composed of 1st edition OS 1:2500 sheets 7.8, 7.12, 8.5, 8.5, 8.9 and 8.10, with workings and mineral ownership boundaries drawn on.

This material is held atWest Glamorgan Archive Service

  • Reference
    • GB 216 D/D PRO/HSE 104
  • Dates of Creation
    • n.d., late 19th century
  • Language of Material
    • English
  • Physical Description
    • 1 plan, damaged