Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Cwmgorse Colliery, plan
Plan of showing pressure survey at Cwmgorse Colliery, 1947 Scale : 1" to 4 chains
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Plan of showing pressure survey at Cwmgorse Colliery, 1947 Scale : 1" to 4 chains