WORLD TUNNELLING

This material is held atGwasanaeth Archifau Conwy / Conwy Archive Service

  • Reference
    • GB 2008 CX346/16
  • Dates of Creation
    • 1990 April
  • Physical Description
    • 1 item

Scope and Content

article titled 'Britain's First Immersed Tube', includes cross section of the tunnel and plan of the Conwy crossing.