Construction work

This material is held atGwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy Caernarfon

  • Reference
    • GB 219 XS4362/18
  • Dates of Creation
    • [1976 - 1982]

Scope and Content

being carried out in a tunnel with a light shinning at the far end at the Dinorwig Power Station.

Access Information

Open