Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Ty Trist Colliery, plan
Plan of Ty Trist Colliery. Scale 40 feet to an inch. Drawing No. TTP561.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Plan of Ty Trist Colliery. Scale 40 feet to an inch. Drawing No. TTP561.