Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Trelewis drift mine, photograph
Controlled flooding of Trelewis Drift Mine during closing down procedure. View showing pumping columns ready to fill dam with concrete. Ink stamp on reverse with date and inscription.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.